257 files changed, 1623 insertions, 41049 deletions

diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index db87e78d7459..4dabf5077c48 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -208,6 +208,25 @@ static ssize_t print_cpus_offline(struct device *dev,
 }
 static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL);
 
+static void cpu_device_release(struct device *dev)
+{
+        /*
+         * This is an empty function to prevent the driver core from spitting a
+         * warning at us.  Yes, I know this is directly opposite of what the
+         * documentation for the driver core and kobjects say, and the author
+         * of this code has already been publically ridiculed for doing
+         * something as foolish as this.  However, at this point in time, it is
+         * the only way to handle the issue of statically allocated cpu
+         * devices.  The different architectures will have their cpu device
+         * code reworked to properly handle this in the near future, so this
+         * function will then be changed to correctly free up the memory held
+         * by the cpu device.
+         *
+         * Never copy this way of doing things, or you too will be made fun of
+         * on the linux-kerenl list, you have been warned.
+         */
+}
+
 /*
  * register_cpu - Setup a sysfs device for a CPU.
  * @cpu - cpu->hotpluggable field set to 1 will generate a control file in
@@ -221,8 +240,10 @@ int __cpuinit register_cpu(struct cpu *cpu, int num)
         int error;
 
         cpu->node_id = cpu_to_node(num);
+        memset(&cpu->dev, 0x00, sizeof(struct device));
         cpu->dev.id = num;
         cpu->dev.bus = &cpu_subsys;
+        cpu->dev.release = cpu_device_release;
         error = device_register(&cpu->dev);
         if (!error && cpu->hotpluggable)
                 register_cpu_control(cpu);
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index ed5de58c340f..9e60dbe9fd94 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -572,19 +572,36 @@ static int init_memory_block(struct memory_block **memory,
 }
 
 static int add_memory_section(int nid, struct mem_section *section,
+                        struct memory_block **mem_p,
                         unsigned long state, enum mem_add_context context)
 {
-        struct memory_block *mem;
+        struct memory_block *mem = NULL;
+        int scn_nr = __section_nr(section);
         int ret = 0;
 
         mutex_lock(&mem_sysfs_mutex);
 
-        mem = find_memory_block(section);
+        if (context == BOOT) {
+                /* same memory block ? */
+                if (mem_p && *mem_p)
+                        if (scn_nr >= (*mem_p)->start_section_nr &&
+                            scn_nr <= (*mem_p)->end_section_nr) {
+                                mem = *mem_p;
+                                kobject_get(&mem->dev.kobj);
+                        }
+        } else
+                mem = find_memory_block(section);
+
         if (mem) {
                 mem->section_count++;
                 kobject_put(&mem->dev.kobj);
-        } else
+        } else {
                 ret = init_memory_block(&mem, section, state);
+                /* store memory_block pointer for next loop */
+                if (!ret && context == BOOT)
+                        if (mem_p)
+                                *mem_p = mem;
+        }
 
         if (!ret) {
                 if (context == HOTPLUG &&
@@ -627,7 +644,7 @@ int remove_memory_block(unsigned long node_id, struct mem_section *section,
  */
 int register_new_memory(int nid, struct mem_section *section)
 {
-        return add_memory_section(nid, section, MEM_OFFLINE, HOTPLUG);
+        return add_memory_section(nid, section, NULL, MEM_OFFLINE, HOTPLUG);
 }
 
 int unregister_memory_section(struct mem_section *section)
@@ -647,6 +664,7 @@ int __init memory_dev_init(void)
         int ret;
         int err;
         unsigned long block_sz;
+        struct memory_block *mem = NULL;
 
         ret = subsys_system_register(&memory_subsys, NULL);
         if (ret)
@@ -662,7 +680,10 @@ int __init memory_dev_init(void)
         for (i = 0; i < NR_MEM_SECTIONS; i++) {
                 if (!present_section_nr(i))
                         continue;
-                err = add_memory_section(0, __nr_to_section(i), MEM_ONLINE,
+                /* don't need to reuse memory_block if only one per block */
+                err = add_memory_section(0, __nr_to_section(i),
+                                 (sections_per_block == 1) ? NULL : &mem,
+                                         MEM_ONLINE,
                                          BOOT);
                 if (!ret)
                         ret = err;
diff --git a/drivers/base/node.c b/drivers/base/node.c
index 44f427a66117..90aa2a11a933 100644
--- a/drivers/base/node.c
+++ b/drivers/base/node.c
@@ -456,7 +456,15 @@ static int link_mem_sections(int nid)
                 if (!present_section_nr(section_nr))
                         continue;
                 mem_sect = __nr_to_section(section_nr);
+
+                /* same memblock ? */
+                if (mem_blk)
+                        if ((section_nr >= mem_blk->start_section_nr) &&
+                            (section_nr <= mem_blk->end_section_nr))
+                                continue;
+
                 mem_blk = find_memory_block_hinted(mem_sect, mem_blk);
+
                 ret = register_mem_sect_under_node(mem_blk, nid);
                 if (!err)
                         err = ret;
diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index febbc0a1222a..ec31f7dd5549 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -169,10 +169,8 @@ int bcma_bus_register(struct bcma_bus *bus)
         err = bcma_sprom_get(bus);
         if (err == -ENOENT) {
                 pr_err("No SPROM available\n");
-        } else if (err) {
+        } else if (err)
                 pr_err("Failed to get SPROM: %d\n", err);
-                return -ENOENT;
-        }
 
         /* Register found cores */
         bcma_register_cores(bus);
diff --git a/drivers/bcma/scan.c b/drivers/bcma/scan.c
index cad994857683..3a2f672db9ad 100644
--- a/drivers/bcma/scan.c
+++ b/drivers/bcma/scan.c
@@ -399,15 +399,18 @@ int bcma_bus_scan(struct bcma_bus *bus)
                 core->bus = bus;
 
                 err = bcma_get_next_core(bus, &eromptr, NULL, core_num, core);
-                if (err == -ENODEV) {
-                        core_num++;
-                        continue;
-                } else if (err == -ENXIO)
-                        continue;
-                else if (err == -ESPIPE)
-                        break;
-                else if (err < 0)
+                if (err < 0) {
+                        kfree(core);
+                        if (err == -ENODEV) {
+                                core_num++;
+                                continue;
+                        } else if (err == -ENXIO) {
+                                continue;
+                        } else if (err == -ESPIPE) {
+                                break;
+                        }
                         return err;
+                }
 
                 core->core_index = core_num++;
                 bus->nr_cores++;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 510fb10ec45a..9baf11e86362 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4368,8 +4368,14 @@ out_unreg_blkdev:
 out_put_disk:
         while (dr--) {
                 del_timer_sync(&motor_off_timer[dr]);
-                if (disks[dr]->queue)
+                if (disks[dr]->queue) {
                         blk_cleanup_queue(disks[dr]->queue);
+                        /*
+                         * put_disk() is not paired with add_disk() and
+                         * will put queue reference one extra time. fix it.
+                         */
+                        disks[dr]->queue = NULL;
+                }
                 put_disk(disks[dr]);
         }
         return err;
@@ -4579,6 +4585,15 @@ static void __exit floppy_module_exit(void)
                         platform_device_unregister(&floppy_device[drive]);
                 }
                 blk_cleanup_queue(disks[drive]->queue);
+
+                /*
+                 * These disks have not called add_disk().  Don't put down
+                 * queue reference in put_disk().
+                 */
+                if (!(allowed_drive_mask & (1 << drive)) ||
+                    fdc_state[FDC(drive)].version == FDC_NONE)
+                        disks[drive]->queue = NULL;
+
                 put_disk(disks[drive]);
         }
 
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index f00257782fcc..cd504353b278 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -356,14 +356,14 @@ lo_direct_splice_actor(struct pipe_inode_info *pipe, struct splice_desc *sd)
         return __splice_from_pipe(pipe, sd, lo_splice_actor);
 }
 
-static int
+static ssize_t
 do_lo_receive(struct loop_device *lo,
               struct bio_vec *bvec, int bsize, loff_t pos)
 {
         struct lo_read_data cookie;
         struct splice_desc sd;
         struct file *file;
-        long retval;
+        ssize_t retval;
 
         cookie.lo = lo;
         cookie.page = bvec->bv_page;
@@ -379,26 +379,28 @@ do_lo_receive(struct loop_device *lo,
         file = lo->lo_backing_file;
         retval = splice_direct_to_actor(file, &sd, lo_direct_splice_actor);
 
-        if (retval < 0)
-                return retval;
-        if (retval != bvec->bv_len)
-                return -EIO;
-        return 0;
+        return retval;
 }
 
 static int
 lo_receive(struct loop_device *lo, struct bio *bio, int bsize, loff_t pos)
 {
         struct bio_vec *bvec;
-        int i, ret = 0;
+        ssize_t s;
+        int i;
 
         bio_for_each_segment(bvec, bio, i) {
-                ret = do_lo_receive(lo, bvec, bsize, pos);
-                if (ret < 0)
+                s = do_lo_receive(lo, bvec, bsize, pos);
+                if (s < 0)
+                        return s;
+
+                if (s != bvec->bv_len) {
+                        zero_fill_bio(bio);
                         break;
+                }
                 pos += bvec->bv_len;
         }
-        return ret;
+        return 0;
 }
 
 static int do_bio_filebacked(struct loop_device *lo, struct bio *bio)
diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c
index b74eab70c3d0..8eb81c96608f 100644
--- a/drivers/block/mtip32xx/mtip32xx.c
+++ b/drivers/block/mtip32xx/mtip32xx.c
@@ -2068,8 +2068,6 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd,
  *           when the read completes.
  * @data     Callback data passed to the callback function
  *           when the read completes.
- * @barrier  If non-zero, this command must be completed before
- *           issuing any other commands.
  * @dir      Direction (read or write)
  *
  * return value
@@ -2077,7 +2075,7 @@ static int mtip_hw_ioctl(struct driver_data *dd, unsigned int cmd,
  */
 static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
                               int nsect, int nents, int tag, void *callback,
-                              void *data, int barrier, int dir)
+                              void *data, int dir)
 {
         struct host_to_dev_fis  *fis;
         struct mtip_port *port = dd->port;
@@ -2108,8 +2106,6 @@ static void mtip_hw_submit_io(struct driver_data *dd, sector_t start,
         *((unsigned int *) &fis->lba_low) = (start & 0xFFFFFF);
         *((unsigned int *) &fis->lba_low_ex) = ((start >> 24) & 0xFFFFFF);
         fis->device      = 1 << 6;
-        if (barrier)
-                fis->device |= FUA_BIT;
         fis->features    = nsect & 0xFF;
         fis->features_ex = (nsect >> 8) & 0xFF;
         fis->sect_count  = ((tag << 3) | (tag >> 5));
@@ -3087,7 +3083,6 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio)
                                 tag,
                                 bio_endio,
                                 bio,
-                                bio->bi_rw & REQ_FUA,
                                 bio_data_dir(bio));
         } else
                 bio_io_error(bio);
@@ -3187,6 +3182,10 @@ skip_create_disk:
         blk_queue_max_segments(dd->queue, MTIP_MAX_SG);
         blk_queue_physical_block_size(dd->queue, 4096);
         blk_queue_io_min(dd->queue, 4096);
+        /*
+         * write back cache is not supported in the device. FUA depends on
+         * write back cache support, hence setting flush support to zero.
+         */
         blk_queue_flush(dd->queue, 0);
 
         /* Set the capacity of the device in 512 byte sectors. */
diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h
index 723d7c4946dc..e0554a8f2233 100644
--- a/drivers/block/mtip32xx/mtip32xx.h
+++ b/drivers/block/mtip32xx/mtip32xx.h
@@ -104,9 +104,6 @@
 /* BAR number used to access the HBA registers. */
 #define MTIP_ABAR               5
 
-/* Forced Unit Access Bit */
-#define FUA_BIT                 0x80
-
 #ifdef DEBUG
  #define dbg_printk(format, arg...)     \
         printk(pr_fmt(format), ##arg);
@@ -415,8 +412,6 @@ struct driver_data {
 
         atomic_t resumeflag; /* Atomic variable to track suspend/resume */
 
-        atomic_t eh_active; /* Flag for error handling tracking */
-
         struct task_struct *mtip_svc_handler; /* task_struct of svc thd */
 };
 
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 55eaf474d32c..d620b4495745 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -286,8 +286,6 @@
 
 /* used to tell the module to turn on full debugging messages */
 static bool debug;
-/* used to keep tray locked at all times */
-static int keeplocked;
 /* default compatibility mode */
 static bool autoclose=1;
 static bool autoeject;
@@ -1204,7 +1202,7 @@ void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode)
                 cdinfo(CD_CLOSE, "Use count for \"/dev/%s\" now zero\n", cdi->name);
                 cdrom_dvd_rw_close_write(cdi);
 
-                if ((cdo->capability & CDC_LOCK) && !keeplocked) {
+                if ((cdo->capability & CDC_LOCK) && !cdi->keeplocked) {
                         cdinfo(CD_CLOSE, "Unlocking door!\n");
                         cdo->lock_door(cdi, 0);
                 }
@@ -1371,7 +1369,7 @@ static int cdrom_select_disc(struct cdrom_device_info *cdi, int slot)
         curslot = info->hdr.curslot;
         kfree(info);
 
-        if (cdi->use_count > 1 || keeplocked) {
+        if (cdi->use_count > 1 || cdi->keeplocked) {
                 if (slot == CDSL_CURRENT) {
                         return curslot;
                 } else {
@@ -2119,11 +2117,6 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,
         if (!nr)
                 return -ENOMEM;
 
-        if (!access_ok(VERIFY_WRITE, ubuf, nframes * CD_FRAMESIZE_RAW)) {
-                ret = -EFAULT;
-                goto out;
-        }
-
         cgc.data_direction = CGC_DATA_READ;
         while (nframes > 0) {
                 if (nr > nframes)
@@ -2132,7 +2125,7 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,
                 ret = cdrom_read_block(cdi, &cgc, lba, nr, 1, CD_FRAMESIZE_RAW);
                 if (ret)
                         break;
-                if (__copy_to_user(ubuf, cgc.buffer, CD_FRAMESIZE_RAW * nr)) {
+                if (copy_to_user(ubuf, cgc.buffer, CD_FRAMESIZE_RAW * nr)) {
                         ret = -EFAULT;
                         break;
                 }
@@ -2140,7 +2133,6 @@ static int cdrom_read_cdda_old(struct cdrom_device_info *cdi, __u8 __user *ubuf,
                 nframes -= nr;
                 lba += nr;
         }
-out:
         kfree(cgc.buffer);
         return ret;
 }
@@ -2295,7 +2287,7 @@ static int cdrom_ioctl_eject(struct cdrom_device_info *cdi)
 
         if (!CDROM_CAN(CDC_OPEN_TRAY))
                 return -ENOSYS;
-        if (cdi->use_count != 1 || keeplocked)
+        if (cdi->use_count != 1 || cdi->keeplocked)
                 return -EBUSY;
         if (CDROM_CAN(CDC_LOCK)) {
                 int ret = cdi->ops->lock_door(cdi, 0);
@@ -2322,7 +2314,7 @@ static int cdrom_ioctl_eject_sw(struct cdrom_device_info *cdi,
 
         if (!CDROM_CAN(CDC_OPEN_TRAY))
                 return -ENOSYS;
-        if (keeplocked)
+        if (cdi->keeplocked)
                 return -EBUSY;
 
         cdi->options &= ~(CDO_AUTO_CLOSE | CDO_AUTO_EJECT);
@@ -2453,7 +2445,7 @@ static int cdrom_ioctl_lock_door(struct cdrom_device_info *cdi,
         if (!CDROM_CAN(CDC_LOCK))
                 return -EDRIVE_CANT_DO_THIS;
 
-        keeplocked = arg ? 1 : 0;
+        cdi->keeplocked = arg ? 1 : 0;
 
         /*
          * Don't unlock the door on multiple opens by default, but allow
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 5cd04b65c556..e6568c19c939 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -37,7 +37,7 @@ struct mpc8xxx_gpio_chip {
          * open drain mode safely
          */
         u32 data;
-        struct irq_host *irq;
+        struct irq_domain *irq;
         void *of_dev_id_data;
 };
 
@@ -281,7 +281,7 @@ static struct irq_chip mpc8xxx_irq_chip = {
         .irq_set_type   = mpc8xxx_irq_set_type,
 };
 
-static int mpc8xxx_gpio_irq_map(struct irq_host *h, unsigned int virq,
+static int mpc8xxx_gpio_irq_map(struct irq_domain *h, unsigned int virq,
                                 irq_hw_number_t hw)
 {
         struct mpc8xxx_gpio_chip *mpc8xxx_gc = h->host_data;
@@ -296,24 +296,9 @@ static int mpc8xxx_gpio_irq_map(struct irq_host *h, unsigned int virq,
         return 0;
 }
 
-static int mpc8xxx_gpio_irq_xlate(struct irq_host *h, struct device_node *ct,
-                                  const u32 *intspec, unsigned int intsize,
-                                  irq_hw_number_t *out_hwirq,
-                                  unsigned int *out_flags)
-
-{
-        /* interrupt sense values coming from the device tree equal either
-         * EDGE_FALLING or EDGE_BOTH
-         */
-        *out_hwirq = intspec[0];
-        *out_flags = intspec[1];
-
-        return 0;
-}
-
-static struct irq_host_ops mpc8xxx_gpio_irq_ops = {
+static struct irq_domain_ops mpc8xxx_gpio_irq_ops = {
         .map    = mpc8xxx_gpio_irq_map,
-        .xlate  = mpc8xxx_gpio_irq_xlate,
+        .xlate  = irq_domain_xlate_twocell,
 };
 
 static struct of_device_id mpc8xxx_gpio_ids[] __initdata = {
@@ -364,9 +349,8 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
         if (hwirq == NO_IRQ)
                 goto skip_irq;
 
-        mpc8xxx_gc->irq =
-                irq_alloc_host(np, IRQ_HOST_MAP_LINEAR, MPC8XXX_GPIO_PINS,
-                               &mpc8xxx_gpio_irq_ops, MPC8XXX_GPIO_PINS);
+        mpc8xxx_gc->irq = irq_domain_add_linear(np, MPC8XXX_GPIO_PINS,
+                                        &mpc8xxx_gpio_irq_ops, mpc8xxx_gc);
         if (!mpc8xxx_gc->irq)
                 goto skip_irq;
 
@@ -374,8 +358,6 @@ static void __init mpc8xxx_add_controller(struct device_node *np)
         if (id)
                 mpc8xxx_gc->of_dev_id_data = id->data;
 
-        mpc8xxx_gc->irq->host_data = mpc8xxx_gc;
-
         /* ack and mask all irqs */
         out_be32(mm_gc->regs + GPIO_IER, 0xffffffff);
         out_be32(mm_gc->regs + GPIO_IMR, 0);
diff --git a/drivers/gpu/drm/drm_ioc32.c b/drivers/gpu/drm/drm_ioc32.c
index ddd70db45f76..637fcc3766c7 100644
--- a/drivers/gpu/drm/drm_ioc32.c
+++ b/drivers/gpu/drm/drm_ioc32.c
@@ -315,7 +315,8 @@ static int compat_drm_getclient(struct file *file, unsigned int cmd,
         if (err)
                 return err;
 
-        if (__get_user(c32.auth, &client->auth)
+        if (__get_user(c32.idx, &client->idx)
+            || __get_user(c32.auth, &client->auth)
             || __get_user(c32.pid, &client->pid)
             || __get_user(c32.uid, &client->uid)
             || __get_user(c32.magic, &client->magic)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index b3b51c43dad0..00fbff5ddd81 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -1872,7 +1872,7 @@ static void intel_update_fbc(struct drm_device *dev)
         if (enable_fbc < 0) {
                 DRM_DEBUG_KMS("fbc set to per-chip default\n");
                 enable_fbc = 1;
-                if (INTEL_INFO(dev)->gen <= 5)
+                if (INTEL_INFO(dev)->gen <= 6)
                         enable_fbc = 0;
         }
         if (!enable_fbc) {
@@ -5307,6 +5307,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
                 }
         }
 
+        pipeconf &= ~PIPECONF_INTERLACE_MASK;
         if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
                 pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
                 /* the chip adds 2 halflines automatically */
@@ -5317,7 +5318,7 @@ static int i9xx_crtc_mode_set(struct drm_crtc *crtc,
                 adjusted_mode->crtc_vsync_end -= 1;
                 adjusted_mode->crtc_vsync_start -= 1;
         } else
-                pipeconf &= ~PIPECONF_INTERLACE_MASK; /* progressive */
+                pipeconf |= PIPECONF_PROGRESSIVE;
 
         I915_WRITE(HTOTAL(pipe),
                    (adjusted_mode->crtc_hdisplay - 1) |
@@ -5902,6 +5903,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
                 }
         }
 
+        pipeconf &= ~PIPECONF_INTERLACE_MASK;
         if (adjusted_mode->flags & DRM_MODE_FLAG_INTERLACE) {
                 pipeconf |= PIPECONF_INTERLACE_W_FIELD_INDICATION;
                 /* the chip adds 2 halflines automatically */
@@ -5912,7 +5914,7 @@ static int ironlake_crtc_mode_set(struct drm_crtc *crtc,
                 adjusted_mode->crtc_vsync_end -= 1;
                 adjusted_mode->crtc_vsync_start -= 1;
         } else
-                pipeconf &= ~PIPECONF_INTERLACE_W_FIELD_INDICATION; /* progressive */
+                pipeconf |= PIPECONF_PROGRESSIVE;
 
         I915_WRITE(HTOTAL(pipe),
                    (adjusted_mode->crtc_hdisplay - 1) |
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index db3b461ad412..94f860cce3f7 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -208,17 +208,8 @@ intel_dp_link_clock(uint8_t link_bw)
  */
 
 static int
-intel_dp_link_required(struct intel_dp *intel_dp, int pixel_clock, int check_bpp)
+intel_dp_link_required(int pixel_clock, int bpp)
 {
-        struct drm_crtc *crtc = intel_dp->base.base.crtc;
-        struct intel_crtc *intel_crtc = to_intel_crtc(crtc);
-        int bpp = 24;
-
-        if (check_bpp)
-                bpp = check_bpp;
-        else if (intel_crtc)
-                bpp = intel_crtc->bpp;
-
         return (pixel_clock * bpp + 9) / 10;
 }
 
@@ -245,12 +236,11 @@ intel_dp_mode_valid(struct drm_connector *connector,
                         return MODE_PANEL;
         }
 
-        mode_rate = intel_dp_link_required(intel_dp, mode->clock, 0);
+        mode_rate = intel_dp_link_required(mode->clock, 24);
         max_rate = intel_dp_max_data_rate(max_link_clock, max_lanes);
 
         if (mode_rate > max_rate) {
-                        mode_rate = intel_dp_link_required(intel_dp,
-                                                           mode->clock, 18);
+                        mode_rate = intel_dp_link_required(mode->clock, 18);
                         if (mode_rate > max_rate)
                                 return MODE_CLOCK_HIGH;
                         else
@@ -683,7 +673,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
         int lane_count, clock;
         int max_lane_count = intel_dp_max_lane_count(intel_dp);
         int max_clock = intel_dp_max_link_bw(intel_dp) == DP_LINK_BW_2_7 ? 1 : 0;
-        int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 0;
+        int bpp = mode->private_flags & INTEL_MODE_DP_FORCE_6BPC ? 18 : 24;
         static int bws[2] = { DP_LINK_BW_1_62, DP_LINK_BW_2_7 };
 
         if (is_edp(intel_dp) && intel_dp->panel_fixed_mode) {
@@ -701,7 +691,7 @@ intel_dp_mode_fixup(struct drm_encoder *encoder, struct drm_display_mode *mode,
                 for (clock = 0; clock <= max_clock; clock++) {
                         int link_avail = intel_dp_max_data_rate(intel_dp_link_clock(bws[clock]), lane_count);
 
-                        if (intel_dp_link_required(intel_dp, mode->clock, bpp)
+                        if (intel_dp_link_required(mode->clock, bpp)
                                         <= link_avail) {
                                 intel_dp->link_bw = bws[clock];
                                 intel_dp->lane_count = lane_count;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 798f6e1aa544..aa84832b0e1a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -694,6 +694,14 @@ static const struct dmi_system_id intel_no_lvds[] = {
         },
         {
                 .callback = intel_no_lvds_dmi_callback,
+                .ident = "AOpen i45GMx-I",
+                .matches = {
+                        DMI_MATCH(DMI_BOARD_VENDOR, "AOpen"),
+                        DMI_MATCH(DMI_BOARD_NAME, "i45GMx-I"),
+                },
+        },
+        {
+                .callback = intel_no_lvds_dmi_callback,
                 .ident = "Aopen i945GTt-VFA",
                 .matches = {
                         DMI_MATCH(DMI_PRODUCT_VERSION, "AO00001JW"),
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index ae09fe82afbc..9be353b894cc 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -3191,6 +3191,7 @@ static int evergreen_startup(struct radeon_device *rdev)
         if (r) {
                 DRM_ERROR("radeon: failed testing IB (%d).\n", r);
                 rdev->accel_working = false;
+                return r;
         }
 
         r = r600_audio_init(rdev);
diff --git a/drivers/hwmon/f75375s.c b/drivers/hwmon/f75375s.c
index eedf574ab539..f609b5727ba9 100644
--- a/drivers/hwmon/f75375s.c
+++ b/drivers/hwmon/f75375s.c
@@ -172,7 +172,7 @@ static inline void f75375_write8(struct i2c_client *client, u8 reg,
 static inline void f75375_write16(struct i2c_client *client, u8 reg,
                 u16 value)
 {
-        int err = i2c_smbus_write_byte_data(client, reg, (value << 8));
+        int err = i2c_smbus_write_byte_data(client, reg, (value >> 8));
         if (err)
                 return;
         i2c_smbus_write_byte_data(client, reg + 1, (value & 0xFF));
@@ -200,9 +200,6 @@ static struct f75375_data *f75375_update_device(struct device *dev)
                                 f75375_read16(client, F75375_REG_FAN_MIN(nr));
                         data->fan_target[nr] =
                                 f75375_read16(client, F75375_REG_FAN_EXP(nr));
-                        data->pwm[nr] = f75375_read8(client,
-                                F75375_REG_FAN_PWM_DUTY(nr));
-
                 }
                 for (nr = 0; nr < 4; nr++) {
                         data->in_max[nr] =
@@ -218,6 +215,8 @@ static struct f75375_data *f75375_update_device(struct device *dev)
         if (time_after(jiffies, data->last_updated + 2 * HZ)
                 || !data->valid) {
                 for (nr = 0; nr < 2; nr++) {
+                        data->pwm[nr] = f75375_read8(client,
+                                F75375_REG_FAN_PWM_DUTY(nr));
                         /* assign MSB, therefore shift it by 8 bits */
                         data->temp11[nr] =
                                 f75375_read8(client, F75375_REG_TEMP(nr)) << 8;
@@ -369,7 +368,7 @@ static int set_pwm_enable_direct(struct i2c_client *client, int nr, int val)
                         fanmode  |= (3 << FAN_CTRL_MODE(nr));
                         break;
                 case 2: /* AUTOMATIC*/
-                        fanmode  |= (2 << FAN_CTRL_MODE(nr));
+                        fanmode  |= (1 << FAN_CTRL_MODE(nr));
                         break;
                 case 3: /* fan speed */
                         break;
@@ -723,7 +722,7 @@ static void f75375_init(struct i2c_client *client, struct f75375_data *data,
                         if (data->kind == f75387) {
                                 bool manu, duty;
 
-                                if (!(conf & (1 << F75387_FAN_CTRL_LINEAR(nr))))
+                                if (!(mode & (1 << F75387_FAN_CTRL_LINEAR(nr))))
                                         data->pwm_mode[nr] = 1;
 
                                 manu = ((mode >> F75387_FAN_MANU_MODE(nr)) & 1);
diff --git a/drivers/hwmon/w83627ehf.c b/drivers/hwmon/w83627ehf.c
index 4d383e7e051d..5276d1933dbc 100644
--- a/drivers/hwmon/w83627ehf.c
+++ b/drivers/hwmon/w83627ehf.c
@@ -2354,11 +2354,6 @@ static int __devinit w83627ehf_probe(struct platform_device *pdev)
         for (i = 0; i < data->pwm_num; i++)
                 data->pwm_enable_orig[i] = data->pwm_enable[i];
 
-        /* Read pwm data to save original values */
-        w83627ehf_update_pwm_common(dev, data);
-        for (i = 0; i < data->pwm_num; i++)
-                data->pwm_enable_orig[i] = data->pwm_enable[i];
-
         /* Register sysfs hooks */
         for (i = 0; i < ARRAY_SIZE(sda_sf3_arrays); i++) {
                 err = device_create_file(dev, &sda_sf3_arrays[i].dev_attr);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index b3cc1e062b17..86df632ea612 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -44,6 +44,7 @@
 #include <linux/mutex.h>
 
 #include <net/neighbour.h>
+#include <net/sch_generic.h>
 
 #include <linux/atomic.h>
 
@@ -117,8 +118,9 @@ struct ipoib_header {
         u16     reserved;
 };
 
-struct ipoib_pseudoheader {
-        u8  hwaddr[INFINIBAND_ALEN];
+struct ipoib_cb {
+        struct qdisc_skb_cb     qdisc_cb;
+        u8                      hwaddr[INFINIBAND_ALEN];
 };
 
 /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 3514ca05deea..3974c290b667 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -653,7 +653,7 @@ static void ipoib_path_lookup(struct sk_buff *skb, struct neighbour *n, struct n
 }
 
 static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
-                             struct ipoib_pseudoheader *phdr)
+                             struct ipoib_cb *cb)
 {
         struct ipoib_dev_priv *priv = netdev_priv(dev);
         struct ipoib_path *path;
@@ -661,17 +661,15 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
 
         spin_lock_irqsave(&priv->lock, flags);
 
-        path = __path_find(dev, phdr->hwaddr + 4);
+        path = __path_find(dev, cb->hwaddr + 4);
         if (!path || !path->valid) {
                 int new_path = 0;
 
                 if (!path) {
-                        path = path_rec_create(dev, phdr->hwaddr + 4);
+                        path = path_rec_create(dev, cb->hwaddr + 4);
                         new_path = 1;
                 }
                 if (path) {
-                        /* put pseudoheader back on for next time */
-                        skb_push(skb, sizeof *phdr);
                         __skb_queue_tail(&path->queue, skb);
 
                         if (!path->query && path_rec_start(dev, path)) {
@@ -695,12 +693,10 @@ static void unicast_arp_send(struct sk_buff *skb, struct net_device *dev,
                           be16_to_cpu(path->pathrec.dlid));
 
                 spin_unlock_irqrestore(&priv->lock, flags);
-                ipoib_send(dev, skb, path->ah, IPOIB_QPN(phdr->hwaddr));
+                ipoib_send(dev, skb, path->ah, IPOIB_QPN(cb->hwaddr));
                 return;
         } else if ((path->query || !path_rec_start(dev, path)) &&
                    skb_queue_len(&path->queue) < IPOIB_MAX_PATH_REC_QUEUE) {
-                /* put pseudoheader back on for next time */
-                skb_push(skb, sizeof *phdr);
                 __skb_queue_tail(&path->queue, skb);
         } else {
                 ++dev->stats.tx_dropped;
@@ -774,16 +770,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
                         dev_kfree_skb_any(skb);
                 }
         } else {
-                struct ipoib_pseudoheader *phdr =
-                        (struct ipoib_pseudoheader *) skb->data;
-                skb_pull(skb, sizeof *phdr);
+                struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb;
 
-                if (phdr->hwaddr[4] == 0xff) {
+                if (cb->hwaddr[4] == 0xff) {
                         /* Add in the P_Key for multicast*/
-                        phdr->hwaddr[8] = (priv->pkey >> 8) & 0xff;
-                        phdr->hwaddr[9] = priv->pkey & 0xff;
+                        cb->hwaddr[8] = (priv->pkey >> 8) & 0xff;
+                        cb->hwaddr[9] = priv->pkey & 0xff;
 
-                        ipoib_mcast_send(dev, phdr->hwaddr + 4, skb);
+                        ipoib_mcast_send(dev, cb->hwaddr + 4, skb);
                 } else {
                         /* unicast GID -- should be ARP or RARP reply */
 
@@ -792,14 +786,14 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
                                 ipoib_warn(priv, "Unicast, no %s: type %04x, QPN %06x %pI6\n",
                                            skb_dst(skb) ? "neigh" : "dst",
                                            be16_to_cpup((__be16 *) skb->data),
-                                           IPOIB_QPN(phdr->hwaddr),
-                                           phdr->hwaddr + 4);
+                                           IPOIB_QPN(cb->hwaddr),
+                                           cb->hwaddr + 4);
                                 dev_kfree_skb_any(skb);
                                 ++dev->stats.tx_dropped;
                                 goto unlock;
                         }
 
-                        unicast_arp_send(skb, dev, phdr);
+                        unicast_arp_send(skb, dev, cb);
                 }
         }
 unlock:
@@ -825,8 +819,6 @@ static int ipoib_hard_header(struct sk_buff *skb,
                              const void *daddr, const void *saddr, unsigned len)
 {
         struct ipoib_header *header;
-        struct dst_entry *dst;
-        struct neighbour *n;
 
         header = (struct ipoib_header *) skb_push(skb, sizeof *header);
 
@@ -834,18 +826,13 @@ static int ipoib_hard_header(struct sk_buff *skb,
         header->reserved = 0;
 
         /*
-         * If we don't have a neighbour structure, stuff the
-         * destination address onto the front of the skb so we can
-         * figure out where to send the packet later.
+         * If we don't have a dst_entry structure, stuff the
+         * destination address into skb->cb so we can figure out where
+         * to send the packet later.
          */
-        dst = skb_dst(skb);
-        n = NULL;
-        if (dst)
-                n = dst_get_neighbour_noref_raw(dst);
-        if ((!dst || !n) && daddr) {
-                struct ipoib_pseudoheader *phdr =
-                        (struct ipoib_pseudoheader *) skb_push(skb, sizeof *phdr);
-                memcpy(phdr->hwaddr, daddr, INFINIBAND_ALEN);
+        if (!skb_dst(skb)) {
+                struct ipoib_cb *cb = (struct ipoib_cb *) skb->cb;
+                memcpy(cb->hwaddr, daddr, INFINIBAND_ALEN);
         }
 
         return 0;
@@ -1021,11 +1008,7 @@ static void ipoib_setup(struct net_device *dev)
 
         dev->flags              |= IFF_BROADCAST | IFF_MULTICAST;
 
-        /*
-         * We add in INFINIBAND_ALEN to allow for the destination
-         * address "pseudoheader" for skbs without neighbour struct.
-         */
-        dev->hard_header_len     = IPOIB_ENCAP_LEN + INFINIBAND_ALEN;
+        dev->hard_header_len     = IPOIB_ENCAP_LEN;
         dev->addr_len            = INFINIBAND_ALEN;
         dev->type                = ARPHRD_INFINIBAND;
         dev->tx_queue_len        = ipoib_sendq_size * 2;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index f7ff9dd66cda..20ebc6fd1bb9 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -262,21 +262,13 @@ static int ipoib_mcast_join_finish(struct ipoib_mcast *mcast,
         netif_tx_lock_bh(dev);
         while (!skb_queue_empty(&mcast->pkt_queue)) {
                 struct sk_buff *skb = skb_dequeue(&mcast->pkt_queue);
-                struct dst_entry *dst = skb_dst(skb);
-                struct neighbour *n = NULL;
 
                 netif_tx_unlock_bh(dev);
 
                 skb->dev = dev;
-                if (dst)
-                        n = dst_get_neighbour_noref_raw(dst);
-                if (!dst || !n) {
-                        /* put pseudoheader back on for next time */
-                        skb_push(skb, sizeof (struct ipoib_pseudoheader));
-                }
-
                 if (dev_queue_xmit(skb))
                         ipoib_warn(priv, "dev_queue_xmit failed to requeue packet\n");
+
                 netif_tx_lock_bh(dev);
         }
         netif_tx_unlock_bh(dev);
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index 2339d7396b9e..802ab87a78b6 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1901,7 +1901,7 @@ static int isdn_net_header(struct sk_buff *skb, struct net_device *dev,
 {
         isdn_net_local *lp = netdev_priv(dev);
         unsigned char *p;
-        ushort len = 0;
+        int len = 0;
 
         switch (lp->p_encap) {
                 case ISDN_NET_ENCAP_ETHER:
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index cd13e9f2f5e6..1489c3540f96 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -200,7 +200,8 @@ config MENELAUS
 
 config TWL4030_CORE
         bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support"
-        depends on I2C=y && GENERIC_HARDIRQS && IRQ_DOMAIN
+        depends on I2C=y && GENERIC_HARDIRQS
+        select IRQ_DOMAIN
         help
           Say yes here if you have TWL4030 / TWL6030 family chip on your board.
           This core driver provides register access and IRQ handling
diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
index e04e04ddc15e..4970d43952db 100644
--- a/drivers/mfd/twl-core.c
+++ b/drivers/mfd/twl-core.c
@@ -149,7 +149,7 @@
 
 #define TWL_MODULE_LAST TWL4030_MODULE_LAST
 
-#define TWL4030_NR_IRQS    8
+#define TWL4030_NR_IRQS    34 /* core:8, power:8, gpio: 18 */
 #define TWL6030_NR_IRQS    20
 
 /* Base Address defns for twl4030_map[] */
@@ -263,8 +263,6 @@ struct twl_client {
 
 static struct twl_client twl_modules[TWL_NUM_SLAVES];
 
-static struct irq_domain domain;
-
 /* mapping the module id to slave id and base address */
 struct twl_mapping {
         unsigned char sid;      /* Slave ID */
@@ -1225,14 +1223,8 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
 
         pdata->irq_base = status;
         pdata->irq_end = pdata->irq_base + nr_irqs;
-
-        domain.irq_base = pdata->irq_base;
-        domain.nr_irq = nr_irqs;
-#ifdef CONFIG_OF_IRQ
-        domain.of_node = of_node_get(node);
-        domain.ops = &irq_domain_simple_ops;
-#endif
-        irq_domain_add(&domain);
+        irq_domain_add_legacy(node, nr_irqs, pdata->irq_base, 0,
+                              &irq_domain_simple_ops, NULL);
 
         if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C) == 0) {
                 dev_dbg(&client->dev, "can't talk I2C?\n");
@@ -1313,11 +1305,10 @@ twl_probe(struct i2c_client *client, const struct i2c_device_id *id)
                 twl_i2c_write_u8(TWL4030_MODULE_INTBR, temp, REG_GPPUPDCTR1);
         }
 
-#ifdef CONFIG_OF_DEVICE
+        status = -ENODEV;
         if (node)
                 status = of_platform_populate(node, NULL, NULL, &client->dev);
-        else
-#endif
+        if (status)
                 status = add_children(pdata, id->driver_data);
 
 fail:
diff --git a/drivers/mfd/twl4030-power.c b/drivers/mfd/twl4030-power.c
index d905f5171153..79ca33dfacca 100644
--- a/drivers/mfd/twl4030-power.c
+++ b/drivers/mfd/twl4030-power.c
@@ -124,7 +124,7 @@ static u8 res_config_addrs[] = {
         [RES_MAIN_REF]  = 0x94,
 };
 
-static int __init twl4030_write_script_byte(u8 address, u8 byte)
+static int __devinit twl4030_write_script_byte(u8 address, u8 byte)
 {
         int err;
 
@@ -138,7 +138,7 @@ out:
         return err;
 }
 
-static int __init twl4030_write_script_ins(u8 address, u16 pmb_message,
+static int __devinit twl4030_write_script_ins(u8 address, u16 pmb_message,
                                            u8 delay, u8 next)
 {
         int err;
@@ -158,7 +158,7 @@ out:
         return err;
 }
 
-static int __init twl4030_write_script(u8 address, struct twl4030_ins *script,
+static int __devinit twl4030_write_script(u8 address, struct twl4030_ins *script,
                                        int len)
 {
         int err;
@@ -183,7 +183,7 @@ static int __init twl4030_write_script(u8 address, struct twl4030_ins *script,
         return err;
 }
 
-static int __init twl4030_config_wakeup3_sequence(u8 address)
+static int __devinit twl4030_config_wakeup3_sequence(u8 address)
 {
         int err;
         u8 data;
@@ -208,7 +208,7 @@ out:
         return err;
 }
 
-static int __init twl4030_config_wakeup12_sequence(u8 address)
+static int __devinit twl4030_config_wakeup12_sequence(u8 address)
 {
         int err = 0;
         u8 data;
@@ -262,7 +262,7 @@ out:
         return err;
 }
 
-static int __init twl4030_config_sleep_sequence(u8 address)
+static int __devinit twl4030_config_sleep_sequence(u8 address)
 {
         int err;
 
@@ -276,7 +276,7 @@ static int __init twl4030_config_sleep_sequence(u8 address)
         return err;
 }
 
-static int __init twl4030_config_warmreset_sequence(u8 address)
+static int __devinit twl4030_config_warmreset_sequence(u8 address)
 {
         int err;
         u8 rd_data;
@@ -324,7 +324,7 @@ out:
         return err;
 }
 
-static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig)
+static int __devinit twl4030_configure_resource(struct twl4030_resconfig *rconfig)
 {
         int rconfig_addr;
         int err;
@@ -416,7 +416,7 @@ static int __init twl4030_configure_resource(struct twl4030_resconfig *rconfig)
         return 0;
 }
 
-static int __init load_twl4030_script(struct twl4030_script *tscript,
+static int __devinit load_twl4030_script(struct twl4030_script *tscript,
                u8 address)
 {
         int err;
@@ -527,7 +527,7 @@ void twl4030_power_off(void)
                 pr_err("TWL4030 Unable to power off\n");
 }
 
-void __init twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
+void __devinit twl4030_power_init(struct twl4030_power_data *twl4030_scripts)
 {
         int err = 0;
         int i;
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 6a1a092db146..c7795096d43b 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -2,24 +2,14 @@
 # Misc strange devices
 #
 
-# This one has to live outside of the MISC_DEVICES conditional,
-# because it may be selected by drivers/platform/x86/hp_accel.
+menu "Misc devices"
+
 config SENSORS_LIS3LV02D
         tristate
         depends on INPUT
         select INPUT_POLLDEV
         default n
 
-menuconfig MISC_DEVICES
-        bool "Misc devices"
-        ---help---
-          Say Y here to get to see options for device drivers from various
-          different categories. This option alone does not add any kernel code.
-
-          If you say N, all options in this submenu will be skipped and disabled.
-
-if MISC_DEVICES
-
 config AD525X_DPOT
         tristate "Analog Devices Digital Potentiometers"
         depends on (I2C || SPI) && SYSFS
@@ -516,5 +506,4 @@ source "drivers/misc/ti-st/Kconfig"
 source "drivers/misc/lis3lv02d/Kconfig"
 source "drivers/misc/carma/Kconfig"
 source "drivers/misc/altera-stapl/Kconfig"
-
-endif # MISC_DEVICES
+endmenu
diff --git a/drivers/misc/c2port/c2port-duramar2150.c b/drivers/misc/c2port/c2port-duramar2150.c
index 778fc3fdfb9b..5484301d57d9 100644
--- a/drivers/misc/c2port/c2port-duramar2150.c
+++ b/drivers/misc/c2port/c2port-duramar2150.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/delay.h>
 #include <linux/io.h>
+#include <linux/ioport.h>
 #include <linux/c2port.h>
 
 #define DATA_PORT       0x325
diff --git a/drivers/misc/cb710/core.c b/drivers/misc/cb710/core.c
index 68cd05b6d829..85cc7710193c 100644
--- a/drivers/misc/cb710/core.c
+++ b/drivers/misc/cb710/core.c
@@ -245,6 +245,7 @@ static int __devinit cb710_probe(struct pci_dev *pdev,
         if (err)
                 return err;
 
+        spin_lock_init(&chip->irq_lock);
         chip->pdev = pdev;
         chip->iobase = pcim_iomap_table(pdev)[0];
 
diff --git a/drivers/misc/cs5535-mfgpt.c b/drivers/misc/cs5535-mfgpt.c
index bc685bfc4c33..87a390de054c 100644
--- a/drivers/misc/cs5535-mfgpt.c
+++ b/drivers/misc/cs5535-mfgpt.c
@@ -262,7 +262,7 @@ static void __init reset_all_timers(void)
  * In other cases (such as with VSAless OpenFirmware), the system firmware
  * leaves timers available for us to use.
  */
-static int __init scan_timers(struct cs5535_mfgpt_chip *mfgpt)
+static int __devinit scan_timers(struct cs5535_mfgpt_chip *mfgpt)
 {
         struct cs5535_mfgpt_timer timer = { .chip = mfgpt };
         unsigned long flags;
diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c
index cd41d403c9df..cb56e270da11 100644
--- a/drivers/misc/vmw_balloon.c
+++ b/drivers/misc/vmw_balloon.c
@@ -314,7 +314,7 @@ static bool vmballoon_send_get_target(struct vmballoon *b, u32 *new_target)
  * fear that guest will need it. Host may reject some pages, we need to
  * check the return value and maybe submit a different page.
  */
-static bool vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn,
+static int vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn,
                                      unsigned int *hv_status)
 {
         unsigned long status, dummy;
@@ -322,17 +322,17 @@ static bool vmballoon_send_lock_page(struct vmballoon *b, unsigned long pfn,
 
         pfn32 = (u32)pfn;
         if (pfn32 != pfn)
-                return false;
+                return -1;
 
         STATS_INC(b->stats.lock);
 
         *hv_status = status = VMWARE_BALLOON_CMD(LOCK, pfn, dummy);
         if (vmballoon_check_status(b, status))
-                return true;
+                return 0;
 
         pr_debug("%s - ppn %lx, hv returns %ld\n", __func__, pfn, status);
         STATS_INC(b->stats.lock_fail);
-        return false;
+        return 1;
 }
 
 /*
@@ -411,7 +411,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
         struct page *page;
         gfp_t flags;
         unsigned int hv_status;
-        bool locked = false;
+        int locked;
         flags = can_sleep ? VMW_PAGE_ALLOC_CANSLEEP : VMW_PAGE_ALLOC_NOSLEEP;
 
         do {
@@ -431,7 +431,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
 
                 /* inform monitor */
                 locked = vmballoon_send_lock_page(b, page_to_pfn(page), &hv_status);
-                if (!locked) {
+                if (locked > 0) {
                         STATS_INC(b->stats.refused_alloc);
 
                         if (hv_status == VMW_BALLOON_ERROR_RESET ||
@@ -449,7 +449,7 @@ static int vmballoon_reserve_page(struct vmballoon *b, bool can_sleep)
                         if (++b->n_refused_pages >= VMW_BALLOON_MAX_REFUSED)
                                 return -EIO;
                 }
-        } while (!locked);
+        } while (locked != 0);
 
         /* track allocated page */
         list_add(&page->lru, &b->pages);
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index cf444b0ca2cc..00fcbed1afd2 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -477,7 +477,6 @@ config MMC_SDHI
 config MMC_CB710
         tristate "ENE CB710 MMC/SD Interface support"
         depends on PCI
-        select MISC_DEVICES
         select CB710_CORE
         help
           This option enables support for MMC/SD part of ENE CB710/720 Flash
diff --git a/drivers/net/can/cc770/cc770.c b/drivers/net/can/cc770/cc770.c
index 766896747643..c30f0e6f1048 100644
--- a/drivers/net/can/cc770/cc770.c
+++ b/drivers/net/can/cc770/cc770.c
@@ -440,12 +440,14 @@ static netdev_tx_t cc770_start_xmit(struct sk_buff *skb, struct net_device *dev)
         for (i = 0; i < dlc; i++)
                 cc770_write_reg(priv, msgobj[mo].data[i], cf->data[i]);
 
+        /* Store echo skb before starting the transfer */
+        can_put_echo_skb(skb, dev, 0);
+
         cc770_write_reg(priv, msgobj[mo].ctrl1,
                         RMTPND_RES | TXRQST_SET | CPUUPD_RES | NEWDAT_UNC);
 
         stats->tx_bytes += dlc;
 
-        can_put_echo_skb(skb, dev, 0);
 
         /*
          * HM: We had some cases of repeated IRQs so make sure the
diff --git a/drivers/net/can/cc770/cc770_isa.c b/drivers/net/can/cc770/cc770_isa.c
index 4be5fe2c40a5..9f3a25ccd665 100644
--- a/drivers/net/can/cc770/cc770_isa.c
+++ b/drivers/net/can/cc770/cc770_isa.c
@@ -110,6 +110,11 @@ MODULE_PARM_DESC(bcr, "Bus configuration register (default=0x40 [CBY])");
 #define CC770_IOSIZE          0x20
 #define CC770_IOSIZE_INDIRECT 0x02
 
+/* Spinlock for cc770_isa_port_write_reg_indirect
+ * and cc770_isa_port_read_reg_indirect
+ */
+static DEFINE_SPINLOCK(cc770_isa_port_lock);
+
 static struct platform_device *cc770_isa_devs[MAXDEV];
 
 static u8 cc770_isa_mem_read_reg(const struct cc770_priv *priv, int reg)
@@ -138,18 +143,27 @@ static u8 cc770_isa_port_read_reg_indirect(const struct cc770_priv *priv,
                                              int reg)
 {
         unsigned long base = (unsigned long)priv->reg_base;
+        unsigned long flags;
+        u8 val;
 
+        spin_lock_irqsave(&cc770_isa_port_lock, flags);
         outb(reg, base);
-        return inb(base + 1);
+        val = inb(base + 1);
+        spin_unlock_irqrestore(&cc770_isa_port_lock, flags);
+
+        return val;
 }
 
 static void cc770_isa_port_write_reg_indirect(const struct cc770_priv *priv,
                                                 int reg, u8 val)
 {
         unsigned long base = (unsigned long)priv->reg_base;
+        unsigned long flags;
 
+        spin_lock_irqsave(&cc770_isa_port_lock, flags);
         outb(reg, base);
         outb(val, base + 1);
+        spin_unlock_irqrestore(&cc770_isa_port_lock, flags);
 }
 
 static int __devinit cc770_isa_probe(struct platform_device *pdev)
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 7fd8089946fb..96d235799ec1 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -118,6 +118,9 @@
         (FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | FLEXCAN_ESR_BOFF_INT)
 #define FLEXCAN_ESR_ERR_ALL \
         (FLEXCAN_ESR_ERR_BUS | FLEXCAN_ESR_ERR_STATE)
+#define FLEXCAN_ESR_ALL_INT \
+        (FLEXCAN_ESR_TWRN_INT | FLEXCAN_ESR_RWRN_INT | \
+         FLEXCAN_ESR_BOFF_INT | FLEXCAN_ESR_ERR_INT)
 
 /* FLEXCAN interrupt flag register (IFLAG) bits */
 #define FLEXCAN_TX_BUF_ID               8
@@ -577,7 +580,9 @@ static irqreturn_t flexcan_irq(int irq, void *dev_id)
 
         reg_iflag1 = flexcan_read(&regs->iflag1);
         reg_esr = flexcan_read(&regs->esr);
-        flexcan_write(FLEXCAN_ESR_ERR_INT, &regs->esr); /* ACK err IRQ */
+        /* ACK all bus error and state change IRQ sources */
+        if (reg_esr & FLEXCAN_ESR_ALL_INT)
+                flexcan_write(reg_esr & FLEXCAN_ESR_ALL_INT, &regs->esr);
 
         /*
          * schedule NAPI in case of:
diff --git a/drivers/net/can/pch_can.c b/drivers/net/can/pch_can.c
index d11fbb2b95ff..6edc25e0dd15 100644
--- a/drivers/net/can/pch_can.c
+++ b/drivers/net/can/pch_can.c
@@ -66,6 +66,7 @@
 #define PCH_IF_CREQ_BUSY        BIT(15)
 
 #define PCH_STATUS_INT          0x8000
+#define PCH_RP                  0x00008000
 #define PCH_REC                 0x00007f00
 #define PCH_TEC                 0x000000ff
 
@@ -527,7 +528,7 @@ static void pch_can_error(struct net_device *ndev, u32 status)
                 priv->can.can_stats.error_passive++;
                 state = CAN_STATE_ERROR_PASSIVE;
                 cf->can_id |= CAN_ERR_CRTL;
-                if (((errc & PCH_REC) >> 8) > 127)
+                if (errc & PCH_RP)
                         cf->data[1] |= CAN_ERR_CRTL_RX_PASSIVE;
                 if ((errc & PCH_TEC) > 127)
                         cf->data[1] |= CAN_ERR_CRTL_TX_PASSIVE;
diff --git a/drivers/net/can/sja1000/peak_pci.c b/drivers/net/can/sja1000/peak_pci.c
index 2c7f5036f570..214795945bc4 100644
--- a/drivers/net/can/sja1000/peak_pci.c
+++ b/drivers/net/can/sja1000/peak_pci.c
@@ -39,9 +39,9 @@ MODULE_LICENSE("GPL v2");
 #define DRV_NAME  "peak_pci"
 
 struct peak_pci_chan {
-        void __iomem *cfg_base;      /* Common for all channels */
-        struct net_device *next_dev; /* Chain of network devices */
-        u16 icr_mask;                /* Interrupt mask for fast ack */
+        void __iomem *cfg_base;         /* Common for all channels */
+        struct net_device *prev_dev;    /* Chain of network devices */
+        u16 icr_mask;                   /* Interrupt mask for fast ack */
 };
 
 #define PEAK_PCI_CAN_CLOCK      (16000000 / 2)
@@ -98,7 +98,7 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
 {
         struct sja1000_priv *priv;
         struct peak_pci_chan *chan;
-        struct net_device *dev, *dev0 = NULL;
+        struct net_device *dev;
         void __iomem *cfg_base, *reg_base;
         u16 sub_sys_id, icr;
         int i, err, channels;
@@ -196,18 +196,14 @@ static int __devinit peak_pci_probe(struct pci_dev *pdev,
                 }
 
                 /* Create chain of SJA1000 devices */
-                if (i == 0)
-                        dev0 = dev;
-                else
-                        chan->next_dev = dev;
+                chan->prev_dev = pci_get_drvdata(pdev);
+                pci_set_drvdata(pdev, dev);
 
                 dev_info(&pdev->dev,
                          "%s at reg_base=0x%p cfg_base=0x%p irq=%d\n",
                          dev->name, priv->reg_base, chan->cfg_base, dev->irq);
         }
 
-        pci_set_drvdata(pdev, dev0);
-
         /* Enable interrupts */
         writew(icr, cfg_base + PITA_ICR + 2);
 
@@ -217,12 +213,11 @@ failure_remove_channels:
         /* Disable interrupts */
         writew(0x0, cfg_base + PITA_ICR + 2);
 
-        for (dev = dev0; dev; dev = chan->next_dev) {
+        for (dev = pci_get_drvdata(pdev); dev; dev = chan->prev_dev) {
                 unregister_sja1000dev(dev);
                 free_sja1000dev(dev);
                 priv = netdev_priv(dev);
                 chan = priv->priv;
-                dev = chan->next_dev;
         }
 
         pci_iounmap(pdev, reg_base);
@@ -241,7 +236,7 @@ failure_disable_pci:
 
 static void __devexit peak_pci_remove(struct pci_dev *pdev)
 {
-        struct net_device *dev = pci_get_drvdata(pdev); /* First device */
+        struct net_device *dev = pci_get_drvdata(pdev); /* Last device */
         struct sja1000_priv *priv = netdev_priv(dev);
         struct peak_pci_chan *chan = priv->priv;
         void __iomem *cfg_base = chan->cfg_base;
@@ -255,7 +250,7 @@ static void __devexit peak_pci_remove(struct pci_dev *pdev)
                 dev_info(&pdev->dev, "removing device %s\n", dev->name);
                 unregister_sja1000dev(dev);
                 free_sja1000dev(dev);
-                dev = chan->next_dev;
+                dev = chan->prev_dev;
                 if (!dev)
                         break;
                 priv = netdev_priv(dev);
diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c
index df809e3f130e..5a2e1e3588a1 100644
--- a/drivers/net/can/ti_hecc.c
+++ b/drivers/net/can/ti_hecc.c
@@ -745,9 +745,10 @@ static int ti_hecc_error(struct net_device *ndev, int int_status,
                 }
         }
 
-        netif_receive_skb(skb);
+        netif_rx(skb);
         stats->rx_packets++;
         stats->rx_bytes += cf->can_dlc;
+
         return 0;
 }
 
diff --git a/drivers/net/can/usb/ems_usb.c b/drivers/net/can/usb/ems_usb.c
index 9697c14b8dc6..7dae64d44e83 100644
--- a/drivers/net/can/usb/ems_usb.c
+++ b/drivers/net/can/usb/ems_usb.c
@@ -627,9 +627,6 @@ static int ems_usb_start(struct ems_usb *dev)
 
                 err = usb_submit_urb(urb, GFP_KERNEL);
                 if (err) {
-                        if (err == -ENODEV)
-                                netif_device_detach(dev->netdev);
-
                         usb_unanchor_urb(urb);
                         usb_free_coherent(dev->udev, RX_BUFFER_SIZE, buf,
                                           urb->transfer_dma);
@@ -659,9 +656,6 @@ static int ems_usb_start(struct ems_usb *dev)
 
         err = usb_submit_urb(dev->intr_urb, GFP_KERNEL);
         if (err) {
-                if (err == -ENODEV)
-                        netif_device_detach(dev->netdev);
-
                 dev_warn(netdev->dev.parent, "intr URB submit failed: %d\n",
                          err);
 
@@ -692,9 +686,6 @@ static int ems_usb_start(struct ems_usb *dev)
         return 0;
 
 failed:
-        if (err == -ENODEV)
-                netif_device_detach(dev->netdev);
-
         dev_warn(netdev->dev.parent, "couldn't submit control: %d\n", err);
 
         return err;
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 03f3935fd8c2..7aee46983be4 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -523,7 +523,6 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
                 skb = build_skb(data);
 
         if (likely(skb)) {
-
 #ifdef BNX2X_STOP_ON_ERROR
                 if (pad + len > fp->rx_buf_size) {
                         BNX2X_ERR("skb_put is about to fail...  "
@@ -557,7 +556,7 @@ static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp,
 
                 return;
         }
-
+        kfree(new_data);
 drop:
         /* drop the packet and keep the buffer in the bin */
         DP(NETIF_MSG_RX_STATUS,
diff --git a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
index 9b44ec8096ba..803ea32aa99d 100644
--- a/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
+++ b/drivers/net/ethernet/brocade/bna/bnad_ethtool.c
@@ -946,7 +946,7 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
 
         flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL);
         if (!flash_attr)
-                return -ENOMEM;
+                return 0;
 
         fcomp.bnad = bnad;
         fcomp.comp_status = 0;
@@ -958,7 +958,7 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
         if (ret != BFA_STATUS_OK) {
                 spin_unlock_irqrestore(&bnad->bna_lock, flags);
                 kfree(flash_attr);
-                goto out_err;
+                return 0;
         }
         spin_unlock_irqrestore(&bnad->bna_lock, flags);
         wait_for_completion(&fcomp.comp);
@@ -978,8 +978,6 @@ bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
         }
         kfree(flash_attr);
         return flash_part;
-out_err:
-        return -EINVAL;
 }
 
 static int
@@ -1006,7 +1004,7 @@ bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
         /* Query the flash partition based on the offset */
         flash_part = bnad_get_flash_partition_by_offset(bnad,
                                 eeprom->offset, &base_offset);
-        if (flash_part <= 0)
+        if (flash_part == 0)
                 return -EFAULT;
 
         fcomp.bnad = bnad;
@@ -1048,7 +1046,7 @@ bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
         /* Query the flash partition based on the offset */
         flash_part = bnad_get_flash_partition_by_offset(bnad,
                                 eeprom->offset, &base_offset);
-        if (flash_part <= 0)
+        if (flash_part == 0)
                 return -EFAULT;
 
         fcomp.bnad = bnad;
diff --git a/drivers/net/ethernet/emulex/benet/be_ethtool.c b/drivers/net/ethernet/emulex/benet/be_ethtool.c
index 6db6b6ae5e9b..802e5ddef8a8 100644
--- a/drivers/net/ethernet/emulex/benet/be_ethtool.c
+++ b/drivers/net/ethernet/emulex/benet/be_ethtool.c
@@ -716,12 +716,8 @@ static int
 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 {
         struct be_adapter *adapter = netdev_priv(netdev);
-        char file_name[ETHTOOL_FLASH_MAX_FILENAME];
 
-        file_name[ETHTOOL_FLASH_MAX_FILENAME - 1] = 0;
-        strcpy(file_name, efl->data);
-
-        return be_load_fw(adapter, file_name);
+        return be_load_fw(adapter, efl->data);
 }
 
 static int
diff --git a/drivers/net/ethernet/freescale/fec.c b/drivers/net/ethernet/freescale/fec.c
index 7b25e9cf13f6..1c7aad8fa19c 100644
--- a/drivers/net/ethernet/freescale/fec.c
+++ b/drivers/net/ethernet/freescale/fec.c
@@ -990,7 +990,7 @@ static int fec_enet_mii_probe(struct net_device *ndev)
                 phy_id = 0;
         }
 
-        snprintf(phy_name, MII_BUS_ID_SIZE, PHY_ID_FMT, mdio_bus_id, phy_id);
+        snprintf(phy_name, sizeof(phy_name), PHY_ID_FMT, mdio_bus_id, phy_id);
         phy_dev = phy_connect(ndev, phy_name, &fec_enet_adjust_link, 0,
                               fep->phy_interface);
         if (IS_ERR(phy_dev)) {
diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c
index 669ca3800c01..d94d64b5d695 100644
--- a/drivers/net/ethernet/intel/e1000/e1000_main.c
+++ b/drivers/net/ethernet/intel/e1000/e1000_main.c
@@ -4740,12 +4740,14 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake)
                 e1000_setup_rctl(adapter);
                 e1000_set_rx_mode(netdev);
 
+                rctl = er32(RCTL);
+
                 /* turn on all-multi mode if wake on multicast is enabled */
-                if (wufc & E1000_WUFC_MC) {
-                        rctl = er32(RCTL);
+                if (wufc & E1000_WUFC_MC)
                         rctl |= E1000_RCTL_MPE;
-                        ew32(RCTL, rctl);
-                }
+
+                /* enable receives in the hardware */
+                ew32(RCTL, rctl | E1000_RCTL_EN);
 
                 if (hw->mac_type >= e1000_82540) {
                         ctrl = er32(CTRL);
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index e91d73c8aa4e..94be6c32fa7d 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -5012,7 +5012,8 @@ static int igb_find_enabled_vfs(struct igb_adapter *adapter)
         vf_devfn = pdev->devfn + 0x80;
         pvfdev = pci_get_device(hw->vendor_id, device_id, NULL);
         while (pvfdev) {
-                if (pvfdev->devfn == vf_devfn)
+                if (pvfdev->devfn == vf_devfn &&
+                    (pvfdev->bus->number >= pdev->bus->number))
                         vfs_found++;
                 vf_devfn += vf_stride;
                 pvfdev = pci_get_device(hw->vendor_id,
diff --git a/drivers/net/ethernet/intel/igbvf/Makefile b/drivers/net/ethernet/intel/igbvf/Makefile
index 0fa3db3dd8b6..044b0ad5fcb9 100644
--- a/drivers/net/ethernet/intel/igbvf/Makefile
+++ b/drivers/net/ethernet/intel/igbvf/Makefile
@@ -1,7 +1,7 @@
 ################################################################################
 #
 # Intel(R) 82576 Virtual Function Linux driver
-# Copyright(c) 2009 - 2010 Intel Corporation.
+# Copyright(c) 2009 - 2012 Intel Corporation.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/defines.h b/drivers/net/ethernet/intel/igbvf/defines.h
index 79f2604673fe..33f40d3474ae 100644
--- a/drivers/net/ethernet/intel/igbvf/defines.h
+++ b/drivers/net/ethernet/intel/igbvf/defines.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/ethtool.c b/drivers/net/ethernet/intel/igbvf/ethtool.c
index 2dba53446064..db7dce2351c2 100644
--- a/drivers/net/ethernet/intel/igbvf/ethtool.c
+++ b/drivers/net/ethernet/intel/igbvf/ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/igbvf.h b/drivers/net/ethernet/intel/igbvf/igbvf.h
index fd4a7b780fdd..2c6d87e4d3d9 100644
--- a/drivers/net/ethernet/intel/igbvf/igbvf.h
+++ b/drivers/net/ethernet/intel/igbvf/igbvf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.c b/drivers/net/ethernet/intel/igbvf/mbx.c
index 048aae248d06..b4b65bc9fc5d 100644
--- a/drivers/net/ethernet/intel/igbvf/mbx.c
+++ b/drivers/net/ethernet/intel/igbvf/mbx.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/mbx.h b/drivers/net/ethernet/intel/igbvf/mbx.h
index c2883c45d477..24370bcb0e22 100644
--- a/drivers/net/ethernet/intel/igbvf/mbx.h
+++ b/drivers/net/ethernet/intel/igbvf/mbx.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/netdev.c b/drivers/net/ethernet/intel/igbvf/netdev.c
index a4b20c865759..4e9141cfe81d 100644
--- a/drivers/net/ethernet/intel/igbvf/netdev.c
+++ b/drivers/net/ethernet/intel/igbvf/netdev.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -53,7 +53,7 @@ const char igbvf_driver_version[] = DRV_VERSION;
 static const char igbvf_driver_string[] =
                   "Intel(R) Gigabit Virtual Function Network Driver";
 static const char igbvf_copyright[] =
-                  "Copyright (c) 2009 - 2011 Intel Corporation.";
+                  "Copyright (c) 2009 - 2012 Intel Corporation.";
 
 static int igbvf_poll(struct napi_struct *napi, int budget);
 static void igbvf_reset(struct igbvf_adapter *);
diff --git a/drivers/net/ethernet/intel/igbvf/regs.h b/drivers/net/ethernet/intel/igbvf/regs.h
index 77e18d3d6b15..7dc6341715dc 100644
--- a/drivers/net/ethernet/intel/igbvf/regs.h
+++ b/drivers/net/ethernet/intel/igbvf/regs.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/vf.c b/drivers/net/ethernet/intel/igbvf/vf.c
index af3822f9ea9a..19551977b352 100644
--- a/drivers/net/ethernet/intel/igbvf/vf.c
+++ b/drivers/net/ethernet/intel/igbvf/vf.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/igbvf/vf.h b/drivers/net/ethernet/intel/igbvf/vf.h
index d7ed58fcd9bb..57db3c68dfcd 100644
--- a/drivers/net/ethernet/intel/igbvf/vf.h
+++ b/drivers/net/ethernet/intel/igbvf/vf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel(R) 82576 Virtual Function Linux driver
-  Copyright(c) 2009 - 2010 Intel Corporation.
+  Copyright(c) 2009 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/Makefile b/drivers/net/ethernet/intel/ixgbe/Makefile
index 7d7387fbdecd..7a16177a12a5 100644
--- a/drivers/net/ethernet/intel/ixgbe/Makefile
+++ b/drivers/net/ethernet/intel/ixgbe/Makefile
@@ -1,7 +1,7 @@
 ################################################################################
 #
 # Intel 10 Gigabit PCI Express Linux driver
-# Copyright(c) 1999 - 2010 Intel Corporation.
+# Copyright(c) 1999 - 2012 Intel Corporation.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index 258164d6d45a..e6aeb64105a4 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
index ef2afefb0cd4..b406c367b190 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
index 772072147bea..4e59083a3de2 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_82599.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
index a3aa6333073f..383b9413292e 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
index 863f9c1f145b..2c834c46bba1 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_common.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -75,7 +75,7 @@ s32 ixgbe_update_mc_addr_list_generic(struct ixgbe_hw *hw,
 s32 ixgbe_enable_mc_generic(struct ixgbe_hw *hw);
 s32 ixgbe_disable_mc_generic(struct ixgbe_hw *hw);
 s32 ixgbe_enable_rx_dma_generic(struct ixgbe_hw *hw, u32 regval);
-s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packtetbuf_num);
+s32 ixgbe_fc_enable_generic(struct ixgbe_hw *hw, s32 packetbuf_num);
 s32 ixgbe_fc_autoneg(struct ixgbe_hw *hw);
 
 s32 ixgbe_validate_mac_addr(u8 *mac_addr);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
index 318caf4bf623..8bfaaee5ac5b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h
index e162775064da..24333b718166 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c
index fcd0e479721f..d3695edfcb8b 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h
index 2f318935561a..ba835708fcac 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82598.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c
index 32cd97bc794d..888a419dc3d9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h
index a59d5dc59d04..4dec47faeb00 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_82599.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
index da31735311f1..79a92fe987b9 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_dcb_nl.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -112,6 +112,8 @@ static u8 ixgbe_dcbnl_get_state(struct net_device *netdev)
 static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
 {
         u8 err = 0;
+        u8 prio_tc[MAX_USER_PRIORITY] = {0};
+        int i;
         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 
         /* Fail command if not in CEE mode */
@@ -122,10 +124,15 @@ static u8 ixgbe_dcbnl_set_state(struct net_device *netdev, u8 state)
         if (!!state != !(adapter->flags & IXGBE_FLAG_DCB_ENABLED))
                 return err;
 
-        if (state > 0)
+        if (state > 0) {
                 err = ixgbe_setup_tc(netdev, adapter->dcb_cfg.num_tcs.pg_tcs);
-        else
+                ixgbe_dcb_unpack_map(&adapter->dcb_cfg, DCB_TX_CONFIG, prio_tc);
+        } else {
                 err = ixgbe_setup_tc(netdev, 0);
+        }
+
+        for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
+                netdev_set_prio_tc_map(netdev, i, prio_tc[i]);
 
         return err;
 }
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
index da7e580f517a..a62975480e37 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -58,7 +58,7 @@ struct ixgbe_stats {
                                 sizeof(((struct rtnl_link_stats64 *)0)->m), \
                                 offsetof(struct rtnl_link_stats64, m)
 
-static struct ixgbe_stats ixgbe_gstrings_stats[] = {
+static const struct ixgbe_stats ixgbe_gstrings_stats[] = {
         {"rx_packets", IXGBE_NETDEV_STAT(rx_packets)},
         {"tx_packets", IXGBE_NETDEV_STAT(tx_packets)},
         {"rx_bytes", IXGBE_NETDEV_STAT(rx_bytes)},
@@ -120,19 +120,23 @@ static struct ixgbe_stats ixgbe_gstrings_stats[] = {
 #endif /* IXGBE_FCOE */
 };
 
-#define IXGBE_QUEUE_STATS_LEN \
-        ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
-        ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
+/* ixgbe allocates num_tx_queues and num_rx_queues symmetrically so
+ * we set the num_rx_queues to evaluate to num_tx_queues. This is
+ * used because we do not have a good way to get the max number of
+ * rx queues with CONFIG_RPS disabled.
+ */
+#define IXGBE_NUM_RX_QUEUES netdev->num_tx_queues
+
+#define IXGBE_QUEUE_STATS_LEN ( \
+        (netdev->num_tx_queues + IXGBE_NUM_RX_QUEUES) * \
         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 #define IXGBE_PB_STATS_LEN ( \
-                 (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
-                 IXGBE_FLAG_DCB_ENABLED) ? \
-                 (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
-                  sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
-                  sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
-                  sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
-                  / sizeof(u64) : 0)
+                        (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
+                         sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
+                         sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
+                         sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
+                        / sizeof(u64))
 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
                          IXGBE_PB_STATS_LEN + \
                          IXGBE_QUEUE_STATS_LEN)
@@ -1078,8 +1082,15 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
         }
-        for (j = 0; j < adapter->num_tx_queues; j++) {
+        for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
                 ring = adapter->tx_ring[j];
+                if (!ring) {
+                        data[i] = 0;
+                        data[i+1] = 0;
+                        i += 2;
+                        continue;
+                }
+
                 do {
                         start = u64_stats_fetch_begin_bh(&ring->syncp);
                         data[i]   = ring->stats.packets;
@@ -1087,8 +1098,15 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
                 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
                 i += 2;
         }
-        for (j = 0; j < adapter->num_rx_queues; j++) {
+        for (j = 0; j < IXGBE_NUM_RX_QUEUES; j++) {
                 ring = adapter->rx_ring[j];
+                if (!ring) {
+                        data[i] = 0;
+                        data[i+1] = 0;
+                        i += 2;
+                        continue;
+                }
+
                 do {
                         start = u64_stats_fetch_begin_bh(&ring->syncp);
                         data[i]   = ring->stats.packets;
@@ -1096,22 +1114,20 @@ static void ixgbe_get_ethtool_stats(struct net_device *netdev,
                 } while (u64_stats_fetch_retry_bh(&ring->syncp, start));
                 i += 2;
         }
-        if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
-                for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
-                        data[i++] = adapter->stats.pxontxc[j];
-                        data[i++] = adapter->stats.pxofftxc[j];
-                }
-                for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
-                        data[i++] = adapter->stats.pxonrxc[j];
-                        data[i++] = adapter->stats.pxoffrxc[j];
-                }
+
+        for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
+                data[i++] = adapter->stats.pxontxc[j];
+                data[i++] = adapter->stats.pxofftxc[j];
+        }
+        for (j = 0; j < IXGBE_MAX_PACKET_BUFFERS; j++) {
+                data[i++] = adapter->stats.pxonrxc[j];
+                data[i++] = adapter->stats.pxoffrxc[j];
         }
 }
 
 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
                               u8 *data)
 {
-        struct ixgbe_adapter *adapter = netdev_priv(netdev);
         char *p = (char *)data;
         int i;
 
@@ -1126,31 +1142,29 @@ static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
                                ETH_GSTRING_LEN);
                         p += ETH_GSTRING_LEN;
                 }
-                for (i = 0; i < adapter->num_tx_queues; i++) {
+                for (i = 0; i < netdev->num_tx_queues; i++) {
                         sprintf(p, "tx_queue_%u_packets", i);
                         p += ETH_GSTRING_LEN;
                         sprintf(p, "tx_queue_%u_bytes", i);
                         p += ETH_GSTRING_LEN;
                 }
-                for (i = 0; i < adapter->num_rx_queues; i++) {
+                for (i = 0; i < IXGBE_NUM_RX_QUEUES; i++) {
                         sprintf(p, "rx_queue_%u_packets", i);
                         p += ETH_GSTRING_LEN;
                         sprintf(p, "rx_queue_%u_bytes", i);
                         p += ETH_GSTRING_LEN;
                 }
-                if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
-                        for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
-                                sprintf(p, "tx_pb_%u_pxon", i);
-                                p += ETH_GSTRING_LEN;
-                                sprintf(p, "tx_pb_%u_pxoff", i);
-                                p += ETH_GSTRING_LEN;
-                        }
-                        for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
-                                sprintf(p, "rx_pb_%u_pxon", i);
-                                p += ETH_GSTRING_LEN;
-                                sprintf(p, "rx_pb_%u_pxoff", i);
-                                p += ETH_GSTRING_LEN;
-                        }
+                for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
+                        sprintf(p, "tx_pb_%u_pxon", i);
+                        p += ETH_GSTRING_LEN;
+                        sprintf(p, "tx_pb_%u_pxoff", i);
+                        p += ETH_GSTRING_LEN;
+                }
+                for (i = 0; i < IXGBE_MAX_PACKET_BUFFERS; i++) {
+                        sprintf(p, "rx_pb_%u_pxon", i);
+                        p += ETH_GSTRING_LEN;
+                        sprintf(p, "rx_pb_%u_pxoff", i);
+                        p += ETH_GSTRING_LEN;
                 }
                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
                 break;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
index d18d6157dd2c..4bc794249801 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h
index 261fd62dda18..1dbed17c8107 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index 1ee5d0fbb905..3dc6cef58107 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -64,7 +64,7 @@ char ixgbe_default_device_descr[] =
         __stringify(BUILD) "-k"
 const char ixgbe_driver_version[] = DRV_VERSION;
 static const char ixgbe_copyright[] =
-                                "Copyright (c) 1999-2011 Intel Corporation.";
+                                "Copyright (c) 1999-2012 Intel Corporation.";
 
 static const struct ixgbe_info *ixgbe_info_tbl[] = {
         [board_82598] = &ixgbe_82598_info,
@@ -2633,22 +2633,22 @@ static void ixgbe_configure_rscctl(struct ixgbe_adapter *adapter,
         /*
          * we must limit the number of descriptors so that the
          * total size of max desc * buf_len is not greater
-         * than 65535
+         * than 65536
          */
         if (ring_is_ps_enabled(ring)) {
-#if (MAX_SKB_FRAGS > 16)
+#if (PAGE_SIZE < 8192)
                 rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-#elif (MAX_SKB_FRAGS > 8)
+#elif (PAGE_SIZE < 16384)
                 rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
-#elif (MAX_SKB_FRAGS > 4)
+#elif (PAGE_SIZE < 32768)
                 rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
 #else
                 rscctrl |= IXGBE_RSCCTL_MAXDESC_1;
 #endif
         } else {
-                if (rx_buf_len < IXGBE_RXBUFFER_4K)
+                if (rx_buf_len <= IXGBE_RXBUFFER_4K)
                         rscctrl |= IXGBE_RSCCTL_MAXDESC_16;
-                else if (rx_buf_len < IXGBE_RXBUFFER_8K)
+                else if (rx_buf_len <= IXGBE_RXBUFFER_8K)
                         rscctrl |= IXGBE_RSCCTL_MAXDESC_8;
                 else
                         rscctrl |= IXGBE_RSCCTL_MAXDESC_4;
@@ -2830,7 +2830,7 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
         IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl | vt_reg_bits);
 
         vf_shift = adapter->num_vfs % 32;
-        reg_offset = (adapter->num_vfs > 32) ? 1 : 0;
+        reg_offset = (adapter->num_vfs >= 32) ? 1 : 0;
 
         /* Enable only the PF's pool for Tx/Rx */
         IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), (1 << vf_shift));
@@ -4330,6 +4330,10 @@ static int ixgbe_set_num_queues(struct ixgbe_adapter *adapter)
         adapter->num_tx_queues = 1;
 
 done:
+        if ((adapter->netdev->reg_state == NETREG_UNREGISTERED) ||
+            (adapter->netdev->reg_state == NETREG_UNREGISTERING))
+                return 0;
+
         /* Notify the stack of the (possibly) reduced queue counts. */
         netif_set_real_num_tx_queues(adapter->netdev, adapter->num_tx_queues);
         return netif_set_real_num_rx_queues(adapter->netdev,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
index 3f725d48336d..1f3e32b576a5 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
index b239bdac38da..310bdd961075 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_mbx.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 7cf1e1f56c69..b91773551a38 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
index 197bdd13106a..cc18165b4c05 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index cf6812dd1436..b01ecb4d2bb1 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -67,7 +67,8 @@ static int ixgbe_find_enabled_vfs(struct ixgbe_adapter *adapter)
         vf_devfn = pdev->devfn + 0x80;
         pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID, device_id, NULL);
         while (pvfdev) {
-                if (pvfdev->devfn == vf_devfn)
+                if (pvfdev->devfn == vf_devfn &&
+                    (pvfdev->bus->number >= pdev->bus->number))
                         vfs_found++;
                 vf_devfn += 2;
                 pvfdev = pci_get_device(IXGBE_INTEL_VENDOR_ID,
@@ -646,6 +647,9 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
                         ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false);
                 retval = ixgbe_set_vf_macvlan(adapter, vf, index,
                                               (unsigned char *)(&msgbuf[1]));
+                if (retval == -ENOSPC)
+                        e_warn(drv, "VF %d has requested a MACVLAN filter "
+                                    "but there is no space for it\n", vf);
                 break;
         default:
                 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]);
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
index e8badab03359..2ab38d5fda92 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
index 775602ef90e5..9b95bef60970 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_type.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
index 8cc5eccfd651..f838a2be8cfb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_x540.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 10 Gigabit PCI Express Linux driver
-  Copyright(c) 1999 - 2011 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/Makefile b/drivers/net/ethernet/intel/ixgbevf/Makefile
index 1f35d229e71a..4ce4c97ef5ad 100644
--- a/drivers/net/ethernet/intel/ixgbevf/Makefile
+++ b/drivers/net/ethernet/intel/ixgbevf/Makefile
@@ -1,7 +1,7 @@
 ################################################################################
 #
 # Intel 82599 Virtual Function driver
-# Copyright(c) 1999 - 2010 Intel Corporation.
+# Copyright(c) 1999 - 2012 Intel Corporation.
 #
 # This program is free software; you can redistribute it and/or modify it
 # under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/defines.h b/drivers/net/ethernet/intel/ixgbevf/defines.h
index 2eb89cb94a0d..947b5c830735 100644
--- a/drivers/net/ethernet/intel/ixgbevf/defines.h
+++ b/drivers/net/ethernet/intel/ixgbevf/defines.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/ethtool.c b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
index c85700318147..2bfe0d1d7958 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ethtool.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ethtool.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2009 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
index 9075c1d61039..dfed420a1bf6 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
index bed411bada21..e51d552410ae 100644
--- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
+++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -60,7 +60,7 @@ static const char ixgbevf_driver_string[] =
 #define DRV_VERSION "2.2.0-k"
 const char ixgbevf_driver_version[] = DRV_VERSION;
 static char ixgbevf_copyright[] =
-        "Copyright (c) 2009 - 2010 Intel Corporation.";
+        "Copyright (c) 2009 - 2012 Intel Corporation.";
 
 static const struct ixgbevf_info *ixgbevf_info_tbl[] = {
         [board_82599_vf] = &ixgbevf_82599_vf_info,
@@ -935,7 +935,11 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
                 if (msg & IXGBE_VT_MSGTYPE_NACK)
                         pr_warn("Last Request of type %2.2x to PF Nacked\n",
                                 msg & 0xFF);
-                goto out;
+                /*
+                 * Restore the PFSTS bit in case someone is polling for a
+                 * return message from the PF
+                 */
+                hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFSTS;
         }
 
         /*
@@ -945,7 +949,7 @@ static irqreturn_t ixgbevf_msix_mbx(int irq, void *data)
          */
         if (got_ack)
                 hw->mbx.v2p_mailbox |= IXGBE_VFMAILBOX_PFACK;
-out:
+
         return IRQ_HANDLED;
 }
 
diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.c b/drivers/net/ethernet/intel/ixgbevf/mbx.c
index 13532d9ba72d..9c955900fe64 100644
--- a/drivers/net/ethernet/intel/ixgbevf/mbx.c
+++ b/drivers/net/ethernet/intel/ixgbevf/mbx.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/mbx.h b/drivers/net/ethernet/intel/ixgbevf/mbx.h
index 9d38a94a348a..cf9131c5c115 100644
--- a/drivers/net/ethernet/intel/ixgbevf/mbx.h
+++ b/drivers/net/ethernet/intel/ixgbevf/mbx.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/regs.h b/drivers/net/ethernet/intel/ixgbevf/regs.h
index 5e4d5e5cdf38..debd8c0e1f28 100644
--- a/drivers/net/ethernet/intel/ixgbevf/regs.h
+++ b/drivers/net/ethernet/intel/ixgbevf/regs.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.c b/drivers/net/ethernet/intel/ixgbevf/vf.c
index d0138d7a31a1..74be7411242a 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.c
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.c
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
@@ -283,6 +283,17 @@ static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr,
         return ret_val;
 }
 
+static void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw,
+                                        u32 *msg, u16 size)
+{
+        struct ixgbe_mbx_info *mbx = &hw->mbx;
+        u32 retmsg[IXGBE_VFMAILBOX_SIZE];
+        s32 retval = mbx->ops.write_posted(hw, msg, size);
+
+        if (!retval)
+                mbx->ops.read_posted(hw, retmsg, size);
+}
+
 /**
  *  ixgbevf_update_mc_addr_list_vf - Update Multicast addresses
  *  @hw: pointer to the HW structure
@@ -294,7 +305,6 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
                                           struct net_device *netdev)
 {
         struct netdev_hw_addr *ha;
-        struct ixgbe_mbx_info *mbx = &hw->mbx;
         u32 msgbuf[IXGBE_VFMAILBOX_SIZE];
         u16 *vector_list = (u16 *)&msgbuf[1];
         u32 cnt, i;
@@ -321,7 +331,7 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
                 vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr);
         }
 
-        mbx->ops.write_posted(hw, msgbuf, IXGBE_VFMAILBOX_SIZE);
+        ixgbevf_write_msg_read_ack(hw, msgbuf, IXGBE_VFMAILBOX_SIZE);
 
         return 0;
 }
@@ -336,7 +346,6 @@ static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw,
 static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
                                bool vlan_on)
 {
-        struct ixgbe_mbx_info *mbx = &hw->mbx;
         u32 msgbuf[2];
 
         msgbuf[0] = IXGBE_VF_SET_VLAN;
@@ -344,7 +353,9 @@ static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind,
         /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
         msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT;
 
-        return mbx->ops.write_posted(hw, msgbuf, 2);
+        ixgbevf_write_msg_read_ack(hw, msgbuf, 2);
+
+        return 0;
 }
 
 /**
diff --git a/drivers/net/ethernet/intel/ixgbevf/vf.h b/drivers/net/ethernet/intel/ixgbevf/vf.h
index d556619a9212..25c951daee5d 100644
--- a/drivers/net/ethernet/intel/ixgbevf/vf.h
+++ b/drivers/net/ethernet/intel/ixgbevf/vf.h
@@ -1,7 +1,7 @@
 /*******************************************************************************
 
   Intel 82599 Virtual Function driver
-  Copyright(c) 1999 - 2010 Intel Corporation.
+  Copyright(c) 1999 - 2012 Intel Corporation.
 
   This program is free software; you can redistribute it and/or modify it
   under the terms and conditions of the GNU General Public License,
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index edb9bda55d55..33947ac595c0 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -931,20 +931,17 @@ static int skge_ring_alloc(struct skge_ring *ring, void *vaddr, u32 base)
 }
 
 /* Allocate and setup a new buffer for receiving */
-static int skge_rx_setup(struct pci_dev *pdev,
-                         struct skge_element *e,
-                         struct sk_buff *skb, unsigned int bufsize)
+static void skge_rx_setup(struct skge_port *skge, struct skge_element *e,
+                          struct sk_buff *skb, unsigned int bufsize)
 {
         struct skge_rx_desc *rd = e->desc;
-        dma_addr_t map;
+        u64 map;
 
-        map = pci_map_single(pdev, skb->data, bufsize,
+        map = pci_map_single(skge->hw->pdev, skb->data, bufsize,
                              PCI_DMA_FROMDEVICE);
-        if (pci_dma_mapping_error(pdev, map))
-                goto mapping_error;
 
-        rd->dma_lo = lower_32_bits(map);
-        rd->dma_hi = upper_32_bits(map);
+        rd->dma_lo = map;
+        rd->dma_hi = map >> 32;
         e->skb = skb;
         rd->csum1_start = ETH_HLEN;
         rd->csum2_start = ETH_HLEN;
@@ -956,13 +953,6 @@ static int skge_rx_setup(struct pci_dev *pdev,
         rd->control = BMU_OWN | BMU_STF | BMU_IRQ_EOF | BMU_TCP_CHECK | bufsize;
         dma_unmap_addr_set(e, mapaddr, map);
         dma_unmap_len_set(e, maplen, bufsize);
-        return 0;
-
-mapping_error:
-        if (net_ratelimit())
-                dev_warn(&pdev->dev, "%s: rx mapping error\n",
-                         skb->dev->name);
-        return -EIO;
 }
 
 /* Resume receiving using existing skb,
@@ -1024,11 +1014,7 @@ static int skge_rx_fill(struct net_device *dev)
                         return -ENOMEM;
 
                 skb_reserve(skb, NET_IP_ALIGN);
-                if (skge_rx_setup(skge->hw->pdev, e, skb, skge->rx_buf_size)) {
-                        kfree_skb(skb);
-                        return -ENOMEM;
-                }
-
+                skge_rx_setup(skge, e, skb, skge->rx_buf_size);
         } while ((e = e->next) != ring->start);
 
         ring->to_clean = ring->start;
@@ -2743,7 +2729,7 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
         struct skge_tx_desc *td;
         int i;
         u32 control, len;
-        dma_addr_t map;
+        u64 map;
 
         if (skb_padto(skb, ETH_ZLEN))
                 return NETDEV_TX_OK;
@@ -2757,14 +2743,11 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
         e->skb = skb;
         len = skb_headlen(skb);
         map = pci_map_single(hw->pdev, skb->data, len, PCI_DMA_TODEVICE);
-        if (pci_dma_mapping_error(hw->pdev, map))
-                goto mapping_error;
-
         dma_unmap_addr_set(e, mapaddr, map);
         dma_unmap_len_set(e, maplen, len);
 
-        td->dma_lo = lower_32_bits(map);
-        td->dma_hi = upper_32_bits(map);
+        td->dma_lo = map;
+        td->dma_hi = map >> 32;
 
         if (skb->ip_summed == CHECKSUM_PARTIAL) {
                 const int offset = skb_checksum_start_offset(skb);
@@ -2795,16 +2778,14 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
 
                         map = skb_frag_dma_map(&hw->pdev->dev, frag, 0,
                                                skb_frag_size(frag), DMA_TO_DEVICE);
-                        if (dma_mapping_error(&hw->pdev->dev, map))
-                                goto mapping_unwind;
 
                         e = e->next;
                         e->skb = skb;
                         tf = e->desc;
                         BUG_ON(tf->control & BMU_OWN);
 
-                        tf->dma_lo = lower_32_bits(map);
-                        tf->dma_hi = upper_32_bits(map);
+                        tf->dma_lo = map;
+                        tf->dma_hi = (u64) map >> 32;
                         dma_unmap_addr_set(e, mapaddr, map);
                         dma_unmap_len_set(e, maplen, skb_frag_size(frag));
 
@@ -2834,28 +2815,6 @@ static netdev_tx_t skge_xmit_frame(struct sk_buff *skb,
         }
 
         return NETDEV_TX_OK;
-
-mapping_unwind:
-        /* unroll any pages that were already mapped.  */
-        if (e != skge->tx_ring.to_use) {
-                struct skge_element *u;
-
-                for (u = skge->tx_ring.to_use->next; u != e; u = u->next)
-                        pci_unmap_page(hw->pdev, dma_unmap_addr(u, mapaddr),
-                                       dma_unmap_len(u, maplen),
-                                       PCI_DMA_TODEVICE);
-                e = skge->tx_ring.to_use;
-        }
-        /* undo the mapping for the skb header */
-        pci_unmap_single(hw->pdev, dma_unmap_addr(e, mapaddr),
-                         dma_unmap_len(e, maplen),
-                         PCI_DMA_TODEVICE);
-mapping_error:
-        /* mapping error causes error message and packet to be discarded. */
-        if (net_ratelimit())
-                dev_warn(&hw->pdev->dev, "%s: tx mapping error\n", dev->name);
-        dev_kfree_skb(skb);
-        return NETDEV_TX_OK;
 }
 
 
@@ -3099,17 +3058,13 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
                 if (!nskb)
                         goto resubmit;
 
-                if (unlikely(skge_rx_setup(skge->hw->pdev, e, nskb, skge->rx_buf_size))) {
-                        dev_kfree_skb(nskb);
-                        goto resubmit;
-                }
-
                 pci_unmap_single(skge->hw->pdev,
                                  dma_unmap_addr(e, mapaddr),
                                  dma_unmap_len(e, maplen),
                                  PCI_DMA_FROMDEVICE);
                 skb = e->skb;
                 prefetch(skb->data);
+                skge_rx_setup(skge, e, nskb, skge->rx_buf_size);
         }
 
         skb_put(skb, len);
diff --git a/drivers/net/ethernet/mellanox/mlx4/cmd.c b/drivers/net/ethernet/mellanox/mlx4/cmd.c
index 405e6ac3faf6..eaf09d4f02d0 100644
--- a/drivers/net/ethernet/mellanox/mlx4/cmd.c
+++ b/drivers/net/ethernet/mellanox/mlx4/cmd.c
@@ -1616,12 +1616,12 @@ void mlx4_multi_func_cleanup(struct mlx4_dev *dev)
                                 kfree(priv->mfunc.master.slave_state[i].vlan_filter[port]);
                 }
                 kfree(priv->mfunc.master.slave_state);
-                iounmap(priv->mfunc.comm);
-                dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
-                                                     priv->mfunc.vhcr,
-                                                     priv->mfunc.vhcr_dma);
-                priv->mfunc.vhcr = NULL;
         }
+
+        iounmap(priv->mfunc.comm);
+        dma_free_coherent(&(dev->pdev->dev), PAGE_SIZE,
+                     priv->mfunc.vhcr, priv->mfunc.vhcr_dma);
+        priv->mfunc.vhcr = NULL;
 }
 
 void mlx4_cmd_cleanup(struct mlx4_dev *dev)
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
index 467ae5824875..149e60da0a32 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c
@@ -892,7 +892,8 @@ void mlx4_en_free_resources(struct mlx4_en_priv *priv)
 
         for (i = 0; i < priv->rx_ring_num; i++) {
                 if (priv->rx_ring[i].rx_info)
-                        mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i]);
+                        mlx4_en_destroy_rx_ring(priv, &priv->rx_ring[i],
+                                priv->prof->rx_ring_size, priv->stride);
                 if (priv->rx_cq[i].buf)
                         mlx4_en_destroy_cq(priv, &priv->rx_cq[i]);
         }
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
index 971d4b6b8dfe..d4ad8c226b51 100644
--- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c
+++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c
@@ -168,8 +168,12 @@ static int mlx4_en_prepare_rx_desc(struct mlx4_en_priv *priv,
         return 0;
 
 err:
-        while (i--)
+        while (i--) {
+                dma_addr_t dma = be64_to_cpu(rx_desc->data[i].addr);
+                pci_unmap_single(priv->mdev->pdev, dma, skb_frags[i].size,
+                                 PCI_DMA_FROMDEVICE);
                 put_page(skb_frags[i].page);
+        }
         return -ENOMEM;
 }
 
@@ -380,12 +384,12 @@ err_allocator:
 }
 
 void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
-                             struct mlx4_en_rx_ring *ring)
+                             struct mlx4_en_rx_ring *ring, u32 size, u16 stride)
 {
         struct mlx4_en_dev *mdev = priv->mdev;
 
         mlx4_en_unmap_buffer(&ring->wqres.buf);
-        mlx4_free_hwq_res(mdev->dev, &ring->wqres, ring->buf_size + TXBB_SIZE);
+        mlx4_free_hwq_res(mdev->dev, &ring->wqres, size * stride + TXBB_SIZE);
         vfree(ring->rx_info);
         ring->rx_info = NULL;
 }
diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c
index 0785d9b2a265..ca574d850b39 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mcg.c
+++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c
@@ -136,7 +136,7 @@ static int new_steering_entry(struct mlx4_dev *dev, u8 port,
         u32 prot;
         int err;
 
-        s_steer = &mlx4_priv(dev)->steer[0];
+        s_steer = &mlx4_priv(dev)->steer[port - 1];
         new_entry = kzalloc(sizeof *new_entry, GFP_KERNEL);
         if (!new_entry)
                 return -ENOMEM;
@@ -220,7 +220,7 @@ static int existing_steering_entry(struct mlx4_dev *dev, u8 port,
         struct mlx4_promisc_qp *pqp;
         struct mlx4_promisc_qp *dqp;
 
-        s_steer = &mlx4_priv(dev)->steer[0];
+        s_steer = &mlx4_priv(dev)->steer[port - 1];
 
         pqp = get_promisc_qp(dev, 0, steer, qpn);
         if (!pqp)
@@ -265,7 +265,7 @@ static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port,
         struct mlx4_steer_index *tmp_entry, *entry = NULL;
         struct mlx4_promisc_qp *dqp, *tmp_dqp;
 
-        s_steer = &mlx4_priv(dev)->steer[0];
+        s_steer = &mlx4_priv(dev)->steer[port - 1];
 
         /* if qp is not promisc, it cannot be duplicated */
         if (!get_promisc_qp(dev, 0, steer, qpn))
@@ -306,7 +306,7 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port,
         bool ret = false;
         int i;
 
-        s_steer = &mlx4_priv(dev)->steer[0];
+        s_steer = &mlx4_priv(dev)->steer[port - 1];
 
         mailbox = mlx4_alloc_cmd_mailbox(dev);
         if (IS_ERR(mailbox))
@@ -361,7 +361,7 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port,
         int err;
         struct mlx4_priv *priv = mlx4_priv(dev);
 
-        s_steer = &mlx4_priv(dev)->steer[0];
+        s_steer = &mlx4_priv(dev)->steer[port - 1];
 
         mutex_lock(&priv->mcg_table.mutex);
 
@@ -466,7 +466,7 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port,
         int loc, i;
         int err;
 
-        s_steer = &mlx4_priv(dev)->steer[0];
+        s_steer = &mlx4_priv(dev)->steer[port - 1];
         mutex_lock(&priv->mcg_table.mutex);
 
         pqp = get_promisc_qp(dev, 0, steer, qpn);
@@ -1004,7 +1004,7 @@ EXPORT_SYMBOL_GPL(mlx4_multicast_promisc_remove);
 
 int mlx4_unicast_promisc_add(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-        if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
+        if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
                 return 0;
 
         if (mlx4_is_mfunc(dev))
@@ -1016,7 +1016,7 @@ EXPORT_SYMBOL_GPL(mlx4_unicast_promisc_add);
 
 int mlx4_unicast_promisc_remove(struct mlx4_dev *dev, u32 qpn, u8 port)
 {
-        if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_MC_STEER))
+        if (!(dev->caps.flags & MLX4_DEV_CAP_FLAG_VEP_UC_STEER))
                 return 0;
 
         if (mlx4_is_mfunc(dev))
diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index 35f08840813c..d60335f3c473 100644
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -528,7 +528,8 @@ int mlx4_en_create_rx_ring(struct mlx4_en_priv *priv,
                            struct mlx4_en_rx_ring *ring,
                            u32 size, u16 stride);
 void mlx4_en_destroy_rx_ring(struct mlx4_en_priv *priv,
-                             struct mlx4_en_rx_ring *ring);
+                             struct mlx4_en_rx_ring *ring,
+                             u32 size, u16 stride);
 int mlx4_en_activate_rx_rings(struct mlx4_en_priv *priv);
 void mlx4_en_deactivate_rx_ring(struct mlx4_en_priv *priv,
                                 struct mlx4_en_rx_ring *ring);
diff --git a/drivers/net/ethernet/micrel/Kconfig b/drivers/net/ethernet/micrel/Kconfig
index 1ea811cf515b..fe42fc00d8d3 100644
--- a/drivers/net/ethernet/micrel/Kconfig
+++ b/drivers/net/ethernet/micrel/Kconfig
@@ -42,7 +42,6 @@ config KS8851
         select NET_CORE
         select MII
         select CRC32
-        select MISC_DEVICES
         select EEPROM_93CX6
         ---help---
           SPI driver for Micrel KS8851 SPI attached network chip.
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index 813d41c4a845..87b650131774 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -38,6 +38,7 @@
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
 #include <linux/ethtool.h>
+#include <linux/if_vlan.h>
 #include <linux/sh_eth.h>
 
 #include "sh_eth.h"
@@ -817,7 +818,8 @@ static int sh_eth_dev_init(struct net_device *ndev)
                 sh_eth_write(ndev, 0, TRIMD);
 
         /* Recv frame limit set register */
-        sh_eth_write(ndev, RFLR_VALUE, RFLR);
+        sh_eth_write(ndev, ndev->mtu + ETH_HLEN + VLAN_HLEN + ETH_FCS_LEN,
+                     RFLR);
 
         sh_eth_write(ndev, sh_eth_read(ndev, EESR), EESR);
         sh_eth_write(ndev, mdp->cd->eesipr_value, EESIPR);
diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index 47877b13ffad..cdbd844662a7 100644
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -575,9 +575,6 @@ enum RPADIR_BIT {
         RPADIR_PADR = 0x0003f,
 };
 
-/* RFLR */
-#define RFLR_VALUE 0x1000
-
 /* FDR */
 #define DEFAULT_FDR_INIT        0x00000707
 
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c
index 794ac30a577b..4fa0bcb25dfc 100644
--- a/drivers/net/ethernet/ti/davinci_emac.c
+++ b/drivers/net/ethernet/ti/davinci_emac.c
@@ -1600,8 +1600,9 @@ static int emac_dev_open(struct net_device *ndev)
                 if (IS_ERR(priv->phydev)) {
                         dev_err(emac_dev, "could not connect to phy %s\n",
                                 priv->phy_id);
+                        ret = PTR_ERR(priv->phydev);
                         priv->phydev = NULL;
-                        return PTR_ERR(priv->phydev);
+                        return ret;
                 }
 
                 priv->link = 0;
diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c
index ef7c9c17bfff..af8b8fc39eb2 100644
--- a/drivers/net/ethernet/ti/davinci_mdio.c
+++ b/drivers/net/ethernet/ti/davinci_mdio.c
@@ -318,9 +318,9 @@ static int __devinit davinci_mdio_probe(struct platform_device *pdev)
 
         data->clk = clk_get(dev, NULL);
         if (IS_ERR(data->clk)) {
-                data->clk = NULL;
                 dev_err(dev, "failed to get device clock\n");
                 ret = PTR_ERR(data->clk);
+                data->clk = NULL;
                 goto bail_out;
         }
 
diff --git a/drivers/net/ethernet/toshiba/Kconfig b/drivers/net/ethernet/toshiba/Kconfig
index 051764704559..74acb5cf6099 100644
--- a/drivers/net/ethernet/toshiba/Kconfig
+++ b/drivers/net/ethernet/toshiba/Kconfig
@@ -5,7 +5,7 @@
 config NET_VENDOR_TOSHIBA
         bool "Toshiba devices"
         default y
-        depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB) || PPC_PS3
+        depends on PCI && (PPC_IBM_CELL_BLADE || PPC_CELLEB || MIPS) || PPC_PS3
         ---help---
           If you have a network (Ethernet) card belonging to this class, say Y
           and read the Ethernet-HOWTO, available from
diff --git a/drivers/net/ethernet/via/via-velocity.c b/drivers/net/ethernet/via/via-velocity.c
index 4128d6b8cc28..cb35b14b73bb 100644
--- a/drivers/net/ethernet/via/via-velocity.c
+++ b/drivers/net/ethernet/via/via-velocity.c
@@ -2491,9 +2491,6 @@ static int velocity_close(struct net_device *dev)
         if (dev->irq != 0)
                 free_irq(dev->irq, dev);
 
-        /* Power down the chip */
-        pci_set_power_state(vptr->pdev, PCI_D3hot);
-
         velocity_free_rings(vptr);
 
         vptr->flags &= (~VELOCITY_FLAGS_OPENED);
diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c
index 1a1ca6cfc74a..466c58a7353d 100644
--- a/drivers/net/hyperv/netvsc_drv.c
+++ b/drivers/net/hyperv/netvsc_drv.c
@@ -123,7 +123,7 @@ static int netvsc_close(struct net_device *net)
         struct hv_device *device_obj = net_device_ctx->device_ctx;
         int ret;
 
-        netif_stop_queue(net);
+        netif_tx_disable(net);
 
         ret = rndis_filter_close(device_obj);
         if (ret != 0)
@@ -151,10 +151,10 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
         int ret;
         unsigned int i, num_pages, npg_data;
 
-        /* Add multipage for skb->data and additional one for RNDIS */
+        /* Add multipages for skb->data and additional 2 for RNDIS */
         npg_data = (((unsigned long)skb->data + skb_headlen(skb) - 1)
                 >> PAGE_SHIFT) - ((unsigned long)skb->data >> PAGE_SHIFT) + 1;
-        num_pages = skb_shinfo(skb)->nr_frags + npg_data + 1;
+        num_pages = skb_shinfo(skb)->nr_frags + npg_data + 2;
 
         /* Allocate a netvsc packet based on # of frags. */
         packet = kzalloc(sizeof(struct hv_netvsc_packet) +
@@ -173,8 +173,8 @@ static int netvsc_start_xmit(struct sk_buff *skb, struct net_device *net)
                                 sizeof(struct hv_netvsc_packet) +
                                     (num_pages * sizeof(struct hv_page_buffer));
 
-        /* Setup the rndis header */
-        packet->page_buf_cnt = num_pages;
+        /* If the rndis msg goes beyond 1 page, we will add 1 later */
+        packet->page_buf_cnt = num_pages - 1;
 
         /* Initialize it from the skb */
         packet->total_data_buflen = skb->len;
@@ -256,7 +256,7 @@ void netvsc_linkstatus_callback(struct hv_device *device_obj,
                 schedule_delayed_work(&ndev_ctx->dwork, msecs_to_jiffies(20));
         } else {
                 netif_carrier_off(net);
-                netif_stop_queue(net);
+                netif_tx_disable(net);
         }
 }
 
@@ -298,7 +298,7 @@ int netvsc_recv_callback(struct hv_device *device_obj,
         skb->ip_summed = CHECKSUM_NONE;
 
         net->stats.rx_packets++;
-        net->stats.rx_bytes += skb->len;
+        net->stats.rx_bytes += packet->total_data_buflen;
 
         /*
          * Pass the skb back up. Network stack will deallocate the skb when it
@@ -337,7 +337,7 @@ static int netvsc_change_mtu(struct net_device *ndev, int mtu)
 
         nvdev->start_remove = true;
         cancel_delayed_work_sync(&ndevctx->dwork);
-        netif_stop_queue(ndev);
+        netif_tx_disable(ndev);
         rndis_filter_device_remove(hdev);
 
         ndev->mtu = mtu;
@@ -460,7 +460,7 @@ static int netvsc_remove(struct hv_device *dev)
         cancel_delayed_work_sync(&ndev_ctx->dwork);
 
         /* Stop outbound asap */
-        netif_stop_queue(net);
+        netif_tx_disable(net);
 
         unregister_netdev(net);
 
diff --git a/drivers/net/hyperv/rndis_filter.c b/drivers/net/hyperv/rndis_filter.c
index da181f9a49d1..133b7fbf8595 100644
--- a/drivers/net/hyperv/rndis_filter.c
+++ b/drivers/net/hyperv/rndis_filter.c
@@ -321,6 +321,25 @@ static void rndis_filter_receive_data(struct rndis_device *dev,
         data_offset = RNDIS_HEADER_SIZE + rndis_pkt->data_offset;
 
         pkt->total_data_buflen -= data_offset;
+
+        /*
+         * Make sure we got a valid RNDIS message, now total_data_buflen
+         * should be the data packet size plus the trailer padding size
+         */
+        if (pkt->total_data_buflen < rndis_pkt->data_len) {
+                netdev_err(dev->net_dev->ndev, "rndis message buffer "
+                           "overflow detected (got %u, min %u)"
+                           "...dropping this message!\n",
+                           pkt->total_data_buflen, rndis_pkt->data_len);
+                return;
+        }
+
+        /*
+         * Remove the rndis trailer padding from rndis packet message
+         * rndis_pkt->data_len tell us the real data length, we only copy
+         * the data packet to the stack, without the rndis trailer padding
+         */
+        pkt->total_data_buflen = rndis_pkt->data_len;
         pkt->data = (void *)((unsigned long)pkt->data + data_offset);
 
         pkt->is_data_pkt = true;
@@ -778,6 +797,19 @@ int rndis_filter_send(struct hv_device *dev,
                         (unsigned long)rndisMessage & (PAGE_SIZE-1);
         pkt->page_buf[0].len = rndisMessageSize;
 
+        /* Add one page_buf if the rndis msg goes beyond page boundary */
+        if (pkt->page_buf[0].offset + rndisMessageSize > PAGE_SIZE) {
+                int i;
+                for (i = pkt->page_buf_cnt; i > 1; i--)
+                        pkt->page_buf[i] = pkt->page_buf[i-1];
+                pkt->page_buf_cnt++;
+                pkt->page_buf[0].len = PAGE_SIZE - pkt->page_buf[0].offset;
+                pkt->page_buf[1].pfn = virt_to_phys((void *)((ulong)
+                        rndisMessage + pkt->page_buf[0].len)) >> PAGE_SHIFT;
+                pkt->page_buf[1].offset = 0;
+                pkt->page_buf[1].len = rndisMessageSize - pkt->page_buf[0].len;
+        }
+
         /* Save the packet send completion and context */
         filterPacket->completion = pkt->completion.send.send_completion;
         filterPacket->completion_ctx =
diff --git a/drivers/net/phy/mdio-gpio.c b/drivers/net/phy/mdio-gpio.c
index 50e8e5e74465..7189adf54bd1 100644
--- a/drivers/net/phy/mdio-gpio.c
+++ b/drivers/net/phy/mdio-gpio.c
@@ -255,13 +255,13 @@ static inline int __init mdio_ofgpio_init(void)
         return platform_driver_register(&mdio_ofgpio_driver);
 }
 
-static inline void __exit mdio_ofgpio_exit(void)
+static inline void mdio_ofgpio_exit(void)
 {
         platform_driver_unregister(&mdio_ofgpio_driver);
 }
 #else
 static inline int __init mdio_ofgpio_init(void) { return 0; }
-static inline void __exit mdio_ofgpio_exit(void) { }
+static inline void mdio_ofgpio_exit(void) { }
 #endif /* CONFIG_OF_GPIO */
 
 static struct platform_driver mdio_gpio_driver = {
diff --git a/drivers/net/tokenring/Kconfig b/drivers/net/tokenring/Kconfig
index c7e0149d1514..45550d42b368 100644
--- a/drivers/net/tokenring/Kconfig
+++ b/drivers/net/tokenring/Kconfig
@@ -7,7 +7,6 @@ menuconfig TR
         bool "Token Ring driver support"
         depends on NETDEVICES && !UML
         depends on (PCI || ISA || MCA || CCW || PCMCIA)
-        select LLC
         help
           Token Ring is IBM's way of communication on a local network; the
           rest of the world uses Ethernet. To participate on a Token Ring
@@ -20,6 +19,10 @@ menuconfig TR
 
 if TR
 
+config WANT_LLC
+        def_bool y
+        select LLC
+
 config PCMCIA_IBMTR
         tristate "IBM PCMCIA tokenring adapter support"
         depends on IBMTR!=y && PCMCIA
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ee7759575050..87db1ee1c298 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1037,13 +1037,16 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
 
         /*
          * Workaround for early ACK timeouts, add an offset to match the
-         * initval's 64us ack timeout value.
+         * initval's 64us ack timeout value. Use 48us for the CTS timeout.
          * This was initially only meant to work around an issue with delayed
          * BA frames in some implementations, but it has been found to fix ACK
          * timeout issues in other cases as well.
          */
-        if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ)
+        if (conf->channel && conf->channel->band == IEEE80211_BAND_2GHZ) {
                 acktimeout += 64 - sifstime - ah->slottime;
+                ctstimeout += 48 - sifstime - ah->slottime;
+        }
+
 
         ath9k_hw_set_sifs_time(ah, sifstime);
         ath9k_hw_setslottime(ah, slottime);
diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c
index abf943557dee..53a005d288aa 100644
--- a/drivers/net/wireless/ath/ath9k/init.c
+++ b/drivers/net/wireless/ath/ath9k/init.c
@@ -822,6 +822,11 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
                 ARRAY_SIZE(ath9k_tpt_blink));
 #endif
 
+        INIT_WORK(&sc->hw_reset_work, ath_reset_work);
+        INIT_WORK(&sc->hw_check_work, ath_hw_check);
+        INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
+        INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
+
         /* Register with mac80211 */
         error = ieee80211_register_hw(hw);
         if (error)
@@ -840,10 +845,6 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc,
                         goto error_world;
         }
 
-        INIT_WORK(&sc->hw_reset_work, ath_reset_work);
-        INIT_WORK(&sc->hw_check_work, ath_hw_check);
-        INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
-        INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);
         sc->last_rssi = ATH_RSSI_DUMMY_MARKER;
 
         ath_init_leds(sc);
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index b3c3798fe513..635b592ad961 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -694,7 +694,7 @@ static u8 ath_rc_get_highest_rix(struct ath_softc *sc,
                 return rate;
 
         /* This should not happen */
-        WARN_ON(1);
+        WARN_ON_ONCE(1);
 
         rate = ath_rc_priv->valid_rate_index[0];
 
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 0e666fbe0842..7e1a91af1497 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -822,6 +822,14 @@ static bool ath9k_rx_accept(struct ath_common *common,
                 (ATH9K_RXERR_DECRYPT | ATH9K_RXERR_CRC | ATH9K_RXERR_MIC |
                  ATH9K_RXERR_KEYMISS));
 
+        /*
+         * Key miss events are only relevant for pairwise keys where the
+         * descriptor does contain a valid key index. This has been observed
+         * mostly with CCMP encryption.
+         */
+        if (rx_stats->rs_keyix == ATH9K_RXKEYIX_INVALID)
+                rx_stats->rs_status &= ~ATH9K_RXERR_KEYMISS;
+
         if (!rx_stats->rs_datalen)
                 return false;
         /*
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
index c664c2726553..63bbc60be28e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-tx.c
@@ -91,6 +91,7 @@ static void iwlagn_tx_cmd_build_basic(struct iwl_priv *priv,
                 tx_cmd->tid_tspec = qc[0] & 0xf;
                 tx_flags &= ~TX_CMD_FLG_SEQ_CTL_MSK;
         } else {
+                tx_cmd->tid_tspec = IWL_TID_NON_QOS;
                 if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
                         tx_flags |= TX_CMD_FLG_SEQ_CTL_MSK;
                 else
@@ -620,7 +621,7 @@ int iwlagn_tx_agg_oper(struct iwl_priv *priv, struct ieee80211_vif *vif,
         sta_priv->lq_sta.lq.agg_params.agg_frame_cnt_limit =
                 sta_priv->max_agg_bufsize;
 
-        IWL_INFO(priv, "Tx aggregation enabled on ra = %pM tid = %d\n",
+        IWL_DEBUG_HT(priv, "Tx aggregation enabled on ra = %pM tid = %d\n",
                  sta->addr, tid);
 
         return iwl_send_lq_cmd(priv, ctx,
@@ -808,6 +809,8 @@ static void iwl_rx_reply_tx_agg(struct iwl_priv *priv,
         u32 status = le16_to_cpu(tx_resp->status.status);
         int i;
 
+        WARN_ON(tid == IWL_TID_NON_QOS);
+
         if (agg->wait_for_ba)
                 IWL_DEBUG_TX_REPLY(priv,
                         "got tx response w/o block-ack\n");
@@ -1035,10 +1038,13 @@ int iwlagn_rx_reply_tx(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb,
                 }
 
                 __skb_queue_head_init(&skbs);
-                priv->tid_data[sta_id][tid].next_reclaimed = next_reclaimed;
 
-                IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d",
-                                          next_reclaimed);
+                if (tid != IWL_TID_NON_QOS) {
+                        priv->tid_data[sta_id][tid].next_reclaimed =
+                                next_reclaimed;
+                        IWL_DEBUG_TX_REPLY(priv, "Next reclaimed packet:%d",
+                                                  next_reclaimed);
+                }
 
                 /*we can free until ssn % q.n_bd not inclusive */
                 WARN_ON(iwl_trans_reclaim(trans(priv), sta_id, tid, txq_id,
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 265de39d394c..f822ac447c3b 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -815,6 +815,7 @@ struct iwl_qosparam_cmd {
 
 #define IWL_INVALID_STATION     255
 #define IWL_MAX_TID_COUNT       8
+#define IWL_TID_NON_QOS IWL_MAX_TID_COUNT
 
 #define STA_FLG_TX_RATE_MSK             cpu_to_le32(1 << 2)
 #define STA_FLG_PWR_SAVE_MSK            cpu_to_le32(1 << 8)
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
index 67d6e324e26f..324d06dfb690 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c
@@ -1262,6 +1262,7 @@ static int iwl_trans_pcie_reclaim(struct iwl_trans *trans, int sta_id, int tid,
         txq->time_stamp = jiffies;
 
         if (unlikely(txq_id >= IWLAGN_FIRST_AMPDU_QUEUE &&
+                     tid != IWL_TID_NON_QOS &&
                      txq_id != trans_pcie->agg_txq[sta_id][tid])) {
                 /*
                  * FIXME: this is a uCode bug which need to be addressed,
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index e05b417a3fae..1d0ec57a0143 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -382,7 +382,8 @@ mwifiex_free_adapter(struct mwifiex_adapter *adapter)
 
         adapter->if_ops.cleanup_if(adapter);
 
-        dev_kfree_skb_any(adapter->sleep_cfm);
+        if (adapter->sleep_cfm)
+                dev_kfree_skb_any(adapter->sleep_cfm);
 }
 
 /*
diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c
index 84be196188cc..b728f54451e4 100644
--- a/drivers/net/wireless/mwifiex/main.c
+++ b/drivers/net/wireless/mwifiex/main.c
@@ -822,7 +822,9 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
                         continue;
 
                 rtnl_lock();
-                mwifiex_del_virtual_intf(priv->wdev->wiphy, priv->netdev);
+                if (priv->wdev && priv->netdev)
+                        mwifiex_del_virtual_intf(priv->wdev->wiphy,
+                                                 priv->netdev);
                 rtnl_unlock();
         }
 
@@ -830,9 +832,11 @@ int mwifiex_remove_card(struct mwifiex_adapter *adapter, struct semaphore *sem)
         if (!priv)
                 goto exit_remove;
 
-        wiphy_unregister(priv->wdev->wiphy);
-        wiphy_free(priv->wdev->wiphy);
-        kfree(priv->wdev);
+        if (priv->wdev) {
+                wiphy_unregister(priv->wdev->wiphy);
+                wiphy_free(priv->wdev->wiphy);
+                kfree(priv->wdev);
+        }
 
         mwifiex_terminate_workqueue(adapter);
 
diff --git a/drivers/net/wireless/mwifiex/sta_ioctl.c b/drivers/net/wireless/mwifiex/sta_ioctl.c
index 470ca75ec250..b0fbf5d4fea0 100644
--- a/drivers/net/wireless/mwifiex/sta_ioctl.c
+++ b/drivers/net/wireless/mwifiex/sta_ioctl.c
@@ -54,7 +54,7 @@ int mwifiex_copy_mcast_addr(struct mwifiex_multicast_list *mlist,
 int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
 {
         bool cancel_flag = false;
-        int status = adapter->cmd_wait_q.status;
+        int status;
         struct cmd_ctrl_node *cmd_queued;
 
         if (!adapter->cmd_queued)
@@ -79,6 +79,8 @@ int mwifiex_wait_queue_complete(struct mwifiex_adapter *adapter)
                 mwifiex_cancel_pending_ioctl(adapter);
                 dev_dbg(adapter->dev, "cmd cancel\n");
         }
+
+        status = adapter->cmd_wait_q.status;
         adapter->cmd_wait_q.status = 0;
 
         return status;
@@ -240,6 +242,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 
                 if (!netif_queue_stopped(priv->netdev))
                         mwifiex_stop_net_dev_queue(priv->netdev, adapter);
+                if (netif_carrier_ok(priv->netdev))
+                        netif_carrier_off(priv->netdev);
 
                 /* Clear any past association response stored for
                  * application retrieval */
@@ -271,6 +275,8 @@ int mwifiex_bss_start(struct mwifiex_private *priv, struct cfg80211_bss *bss,
 
                 if (!netif_queue_stopped(priv->netdev))
                         mwifiex_stop_net_dev_queue(priv->netdev, adapter);
+                if (netif_carrier_ok(priv->netdev))
+                        netif_carrier_off(priv->netdev);
 
                 if (!ret) {
                         dev_dbg(adapter->dev, "info: network found in scan"
diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c
index 22a1a8fc6e02..7bef66def10c 100644
--- a/drivers/net/wireless/rt2x00/rt2800lib.c
+++ b/drivers/net/wireless/rt2x00/rt2800lib.c
@@ -514,9 +514,9 @@ EXPORT_SYMBOL_GPL(rt2800_write_tx_data);
 
 static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
 {
-        int rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
-        int rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
-        int rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
+        s8 rssi0 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI0);
+        s8 rssi1 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI1);
+        s8 rssi2 = rt2x00_get_field32(rxwi_w2, RXWI_W2_RSSI2);
         u16 eeprom;
         u8 offset0;
         u8 offset1;
@@ -552,7 +552,7 @@ static int rt2800_agc_to_rssi(struct rt2x00_dev *rt2x00dev, u32 rxwi_w2)
          * which gives less energy...
          */
         rssi0 = max(rssi0, rssi1);
-        return max(rssi0, rssi2);
+        return (int)max(rssi0, rssi2);
 }
 
 void rt2800_process_rxwi(struct queue_entry *entry,
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 0a70149df3fc..98a574a4a465 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -866,6 +866,14 @@ static int fill_ctrlset(struct zd_mac *mac,
 
         ZD_ASSERT(frag_len <= 0xffff);
 
+        /*
+         * Firmware computes the duration itself (for all frames except PSPoll)
+         * and needs the field set to 0 at input, otherwise firmware messes up
+         * duration_id and sets bits 14 and 15 on.
+         */
+        if (!ieee80211_is_pspoll(hdr->frame_control))
+                hdr->duration_id = 0;
+
         txrate = ieee80211_get_tx_rate(mac->hw, info);
 
         cs->modulation = txrate->hw_value;
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index cae9477a6ed3..343ad29e211c 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -55,7 +55,7 @@ EXPORT_SYMBOL(of_find_device_by_node);
 #include <asm/dcr.h>
 #endif
 
-#if !defined(CONFIG_SPARC)
+#ifdef CONFIG_OF_ADDRESS
 /*
  * The following routines scan a subtree and registers a device for
  * each applicable node.
@@ -462,4 +462,4 @@ int of_platform_populate(struct device_node *root,
         of_node_put(root);
         return rc;
 }
-#endif /* !CONFIG_SPARC */
+#endif /* CONFIG_OF_ADDRESS */
diff --git a/drivers/power/bq27x00_battery.c b/drivers/power/bq27x00_battery.c
index 98bf5676318d..1ed6ea0bad6e 100644
--- a/drivers/power/bq27x00_battery.c
+++ b/drivers/power/bq27x00_battery.c
@@ -62,11 +62,10 @@
 
 #define BQ27500_REG_SOC                 0x2C
 #define BQ27500_REG_DCAP                0x3C /* Design capacity */
-#define BQ27500_FLAG_DSG                BIT(0) /* Discharging */
+#define BQ27500_FLAG_DSC                BIT(0)
 #define BQ27500_FLAG_SOCF               BIT(1) /* State-of-Charge threshold final */
 #define BQ27500_FLAG_SOC1               BIT(2) /* State-of-Charge threshold 1 */
-#define BQ27500_FLAG_CHG                BIT(8) /* Charging */
-#define BQ27500_FLAG_FC                 BIT(9) /* Fully charged */
+#define BQ27500_FLAG_FC                 BIT(9)
 
 #define BQ27000_RS                      20 /* Resistor sense */
 
@@ -312,7 +311,7 @@ static void bq27x00_update(struct bq27x00_device_info *di)
         struct bq27x00_reg_cache cache = {0, };
         bool is_bq27500 = di->chip == BQ27500;
 
-        cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, is_bq27500);
+        cache.flags = bq27x00_read(di, BQ27x00_REG_FLAGS, !is_bq27500);
         if (cache.flags >= 0) {
                 if (!is_bq27500 && (cache.flags & BQ27000_FLAG_CI)) {
                         dev_info(di->dev, "battery is not calibrated! ignoring capacity values\n");
@@ -401,14 +400,10 @@ static int bq27x00_battery_status(struct bq27x00_device_info *di,
         if (di->chip == BQ27500) {
                 if (di->cache.flags & BQ27500_FLAG_FC)
                         status = POWER_SUPPLY_STATUS_FULL;
-                else if (di->cache.flags & BQ27500_FLAG_DSG)
+                else if (di->cache.flags & BQ27500_FLAG_DSC)
                         status = POWER_SUPPLY_STATUS_DISCHARGING;
-                else if (di->cache.flags & BQ27500_FLAG_CHG)
-                        status = POWER_SUPPLY_STATUS_CHARGING;
-                else if (power_supply_am_i_supplied(&di->bat))
-                        status = POWER_SUPPLY_STATUS_NOT_CHARGING;
                 else
-                        status = POWER_SUPPLY_STATUS_UNKNOWN;
+                        status = POWER_SUPPLY_STATUS_CHARGING;
         } else {
                 if (di->cache.flags & BQ27000_FLAG_FC)
                         status = POWER_SUPPLY_STATUS_FULL;
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 0378d019efae..88fd9710bda2 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -974,10 +974,11 @@ static int __devexit charger_manager_remove(struct platform_device *pdev)
         return 0;
 }
 
-const struct platform_device_id charger_manager_id[] = {
+static const struct platform_device_id charger_manager_id[] = {
         { "charger-manager", 0 },
         { },
 };
+MODULE_DEVICE_TABLE(platform, charger_manager_id);
 
 static int cm_suspend_prepare(struct device *dev)
 {
@@ -1069,4 +1070,3 @@ module_exit(charger_manager_cleanup);
 MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
 MODULE_DESCRIPTION("Charger Manager");
 MODULE_LICENSE("GPL");
-MODULE_ALIAS("charger-manager");
diff --git a/drivers/power/lp8727_charger.c b/drivers/power/lp8727_charger.c
index b15b575c070c..c53dd1292f81 100644
--- a/drivers/power/lp8727_charger.c
+++ b/drivers/power/lp8727_charger.c
@@ -464,6 +464,7 @@ static int __devexit lp8727_remove(struct i2c_client *cl)
 
 static const struct i2c_device_id lp8727_ids[] = {
         {"lp8727", 0},
+        { }
 };
 
 static struct i2c_driver lp8727_driver = {
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index 520e8286db28..49d209173f55 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -75,7 +75,7 @@ static u32 get_cfgspace_addr(struct ssb_pcicore *pc,
         u32 tmp;
 
         /* We do only have one cardbus device behind the bridge. */
-        if (pc->cardbusmode && (dev >= 1))
+        if (pc->cardbusmode && (dev > 1))
                 goto out;
 
         if (bus == 0) {
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index 21e2f4b87f14..9e6347249783 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -60,8 +60,6 @@ source "drivers/staging/rts5139/Kconfig"
 
 source "drivers/staging/frontier/Kconfig"
 
-source "drivers/staging/pohmelfs/Kconfig"
-
 source "drivers/staging/phison/Kconfig"
 
 source "drivers/staging/line6/Kconfig"
@@ -120,8 +118,6 @@ source "drivers/staging/cptm1217/Kconfig"
 
 source "drivers/staging/ste_rmi4/Kconfig"
 
-source "drivers/staging/gma500/Kconfig"
-
 source "drivers/staging/mei/Kconfig"
 
 source "drivers/staging/nvec/Kconfig"
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 7c5808d7212d..943e14830753 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -22,7 +22,6 @@ obj-$(CONFIG_R8712U)		+= rtl8712/
 obj-$(CONFIG_RTS_PSTOR)         += rts_pstor/
 obj-$(CONFIG_RTS5139)           += rts5139/
 obj-$(CONFIG_TRANZPORT)         += frontier/
-obj-$(CONFIG_POHMELFS)          += pohmelfs/
 obj-$(CONFIG_IDE_PHISON)        += phison/
 obj-$(CONFIG_LINE6_USB)         += line6/
 obj-$(CONFIG_USB_SERIAL_QUATECH2)       += serqt_usb2/
@@ -52,7 +51,6 @@ obj-$(CONFIG_FT1000)		+= ft1000/
 obj-$(CONFIG_SPEAKUP)           += speakup/
 obj-$(CONFIG_TOUCHSCREEN_CLEARPAD_TM1217)       += cptm1217/
 obj-$(CONFIG_TOUCHSCREEN_SYNAPTICS_I2C_RMI4)    += ste_rmi4/
-obj-$(CONFIG_DRM_PSB)           += gma500/
 obj-$(CONFIG_INTEL_MEI)         += mei/
 obj-$(CONFIG_MFD_NVEC)          += nvec/
 obj-$(CONFIG_DRM_OMAP)          += omapdrm/
diff --git a/drivers/staging/android/Kconfig b/drivers/staging/android/Kconfig
index becf711117ef..fef3580ce8de 100644
--- a/drivers/staging/android/Kconfig
+++ b/drivers/staging/android/Kconfig
@@ -27,6 +27,7 @@ config ANDROID_LOGGER
 
 config ANDROID_RAM_CONSOLE
         bool "Android RAM buffer console"
+        depends on !S390 && !UML
         default n
 
 config ANDROID_RAM_CONSOLE_ENABLE_VERBOSE
@@ -99,10 +100,6 @@ config ANDROID_LOW_MEMORY_KILLER
         ---help---
           Register processes to be killed when memory is low
 
-config ANDROID_PMEM
-        bool "Android pmem allocator"
-        depends on ARM
-
 source "drivers/staging/android/switch/Kconfig"
 
 endif # if ANDROID
diff --git a/drivers/staging/android/Makefile b/drivers/staging/android/Makefile
index eaed1ff64f0f..5fcc24ffdd58 100644
--- a/drivers/staging/android/Makefile
+++ b/drivers/staging/android/Makefile
@@ -5,5 +5,4 @@ obj-$(CONFIG_ANDROID_RAM_CONSOLE)	+= ram_console.o
 obj-$(CONFIG_ANDROID_TIMED_OUTPUT)      += timed_output.o
 obj-$(CONFIG_ANDROID_TIMED_GPIO)        += timed_gpio.o
 obj-$(CONFIG_ANDROID_LOW_MEMORY_KILLER) += lowmemorykiller.o
-obj-$(CONFIG_ANDROID_PMEM)              += pmem.o
 obj-$(CONFIG_ANDROID_SWITCH)            += switch/
diff --git a/drivers/staging/android/android_pmem.h b/drivers/staging/android/android_pmem.h
deleted file mode 100644
index f633621f5be3..000000000000
--- a/drivers/staging/android/android_pmem.h
+++ /dev/null
@@ -1,93 +0,0 @@
-/* include/linux/android_pmem.h
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of 
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef _ANDROID_PMEM_H_
-#define _ANDROID_PMEM_H_
-
-#define PMEM_IOCTL_MAGIC 'p'
-#define PMEM_GET_PHYS           _IOW(PMEM_IOCTL_MAGIC, 1, unsigned int)
-#define PMEM_MAP                _IOW(PMEM_IOCTL_MAGIC, 2, unsigned int)
-#define PMEM_GET_SIZE           _IOW(PMEM_IOCTL_MAGIC, 3, unsigned int)
-#define PMEM_UNMAP              _IOW(PMEM_IOCTL_MAGIC, 4, unsigned int)
-/* This ioctl will allocate pmem space, backing the file, it will fail
- * if the file already has an allocation, pass it the len as the argument
- * to the ioctl */
-#define PMEM_ALLOCATE           _IOW(PMEM_IOCTL_MAGIC, 5, unsigned int)
-/* This will connect a one pmem file to another, pass the file that is already
- * backed in memory as the argument to the ioctl
- */
-#define PMEM_CONNECT            _IOW(PMEM_IOCTL_MAGIC, 6, unsigned int)
-/* Returns the total size of the pmem region it is sent to as a pmem_region
- * struct (with offset set to 0). 
- */
-#define PMEM_GET_TOTAL_SIZE     _IOW(PMEM_IOCTL_MAGIC, 7, unsigned int)
-#define PMEM_CACHE_FLUSH        _IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
-
-struct android_pmem_platform_data
-{
-        const char* name;
-        /* starting physical address of memory region */
-        unsigned long start;
-        /* size of memory region */
-        unsigned long size;
-        /* set to indicate the region should not be managed with an allocator */
-        unsigned no_allocator;
-        /* set to indicate maps of this region should be cached, if a mix of
-         * cached and uncached is desired, set this and open the device with
-         * O_SYNC to get an uncached region */
-        unsigned cached;
-        /* The MSM7k has bits to enable a write buffer in the bus controller*/
-        unsigned buffered;
-};
-
-struct pmem_region {
-        unsigned long offset;
-        unsigned long len;
-};
-
-#ifdef CONFIG_ANDROID_PMEM
-int is_pmem_file(struct file *file);
-int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
-                  unsigned long *end, struct file **filp);
-int get_pmem_user_addr(struct file *file, unsigned long *start,
-                       unsigned long *end);
-void put_pmem_file(struct file* file);
-void flush_pmem_file(struct file *file, unsigned long start, unsigned long len);
-int pmem_setup(struct android_pmem_platform_data *pdata,
-               long (*ioctl)(struct file *, unsigned int, unsigned long),
-               int (*release)(struct inode *, struct file *));
-int pmem_remap(struct pmem_region *region, struct file *file,
-               unsigned operation);
-
-#else
-static inline int is_pmem_file(struct file *file) { return 0; }
-static inline int get_pmem_file(int fd, unsigned long *start,
-                                unsigned long *vstart, unsigned long *end,
-                                struct file **filp) { return -ENOSYS; }
-static inline int get_pmem_user_addr(struct file *file, unsigned long *start,
-                                     unsigned long *end) { return -ENOSYS; }
-static inline void put_pmem_file(struct file* file) { return; }
-static inline void flush_pmem_file(struct file *file, unsigned long start,
-                                   unsigned long len) { return; }
-static inline int pmem_setup(struct android_pmem_platform_data *pdata,
-              long (*ioctl)(struct file *, unsigned int, unsigned long),
-              int (*release)(struct inode *, struct file *)) { return -ENOSYS; }
-
-static inline int pmem_remap(struct pmem_region *region, struct file *file,
-                             unsigned operation) { return -ENOSYS; }
-#endif
-
-#endif //_ANDROID_PPP_H_
-
diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c
index 7491801a661c..f0b7e6605ab5 100644
--- a/drivers/staging/android/binder.c
+++ b/drivers/staging/android/binder.c
@@ -38,6 +38,7 @@
 
 static DEFINE_MUTEX(binder_lock);
 static DEFINE_MUTEX(binder_deferred_lock);
+static DEFINE_MUTEX(binder_mmap_lock);
 
 static HLIST_HEAD(binder_procs);
 static HLIST_HEAD(binder_deferred_list);
@@ -632,6 +633,11 @@ static int binder_update_page_range(struct binder_proc *proc, int allocate,
         if (mm) {
                 down_write(&mm->mmap_sem);
                 vma = proc->vma;
+                if (vma && mm != vma->vm_mm) {
+                        pr_err("binder: %d: vma mm and task mm mismatch\n",
+                                proc->pid);
+                        vma = NULL;
+                }
         }
 
         if (allocate == 0)
@@ -2759,7 +2765,6 @@ static void binder_vma_open(struct vm_area_struct *vma)
                      proc->pid, vma->vm_start, vma->vm_end,
                      (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags,
                      (unsigned long)pgprot_val(vma->vm_page_prot));
-        dump_stack();
 }
 
 static void binder_vma_close(struct vm_area_struct *vma)
@@ -2803,6 +2808,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
         }
         vma->vm_flags = (vma->vm_flags | VM_DONTCOPY) & ~VM_MAYWRITE;
 
+        mutex_lock(&binder_mmap_lock);
         if (proc->buffer) {
                 ret = -EBUSY;
                 failure_string = "already mapped";
@@ -2817,6 +2823,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
         }
         proc->buffer = area->addr;
         proc->user_buffer_offset = vma->vm_start - (uintptr_t)proc->buffer;
+        mutex_unlock(&binder_mmap_lock);
 
 #ifdef CONFIG_CPU_CACHE_VIPT
         if (cache_is_vipt_aliasing()) {
@@ -2849,7 +2856,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma)
         binder_insert_free_buffer(proc, buffer);
         proc->free_async_space = proc->buffer_size / 2;
         barrier();
-        proc->files = get_files_struct(current);
+        proc->files = get_files_struct(proc->tsk);
         proc->vma = vma;
 
         /*printk(KERN_INFO "binder_mmap: %d %lx-%lx maps %p\n",
@@ -2860,10 +2867,12 @@ err_alloc_small_buf_failed:
         kfree(proc->pages);
         proc->pages = NULL;
 err_alloc_pages_failed:
+        mutex_lock(&binder_mmap_lock);
         vfree(proc->buffer);
         proc->buffer = NULL;
 err_get_vm_area_failed:
 err_already_mapped:
+        mutex_unlock(&binder_mmap_lock);
 err_bad_arg:
         printk(KERN_ERR "binder_mmap: %d %lx-%lx %s failed %d\n",
                proc->pid, vma->vm_start, vma->vm_end, failure_string, ret);
diff --git a/drivers/staging/android/lowmemorykiller.c b/drivers/staging/android/lowmemorykiller.c
index 2d8d2b796101..efc7dc1f4831 100644
--- a/drivers/staging/android/lowmemorykiller.c
+++ b/drivers/staging/android/lowmemorykiller.c
@@ -54,6 +54,7 @@ static size_t lowmem_minfree[6] = {
 static int lowmem_minfree_size = 4;
 
 static struct task_struct *lowmem_deathpending;
+static unsigned long lowmem_deathpending_timeout;
 
 #define lowmem_print(level, x...)                       \
         do {                                            \
@@ -103,7 +104,8 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
          * Note: Currently you need CONFIG_PROFILING
          * for this to work correctly.
          */
-        if (lowmem_deathpending)
+        if (lowmem_deathpending &&
+            time_before_eq(jiffies, lowmem_deathpending_timeout))
                 return 0;
 
         if (lowmem_adj_size < array_size)
@@ -178,6 +180,7 @@ static int lowmem_shrink(struct shrinker *s, struct shrink_control *sc)
                  */
 #ifdef CONFIG_PROFILING
                 lowmem_deathpending = selected;
+                lowmem_deathpending_timeout = jiffies + HZ;
                 task_handoff_register(&task_nb);
 #endif
                 force_sig(SIGKILL, selected);
diff --git a/drivers/staging/android/pmem.c b/drivers/staging/android/pmem.c
deleted file mode 100644
index 7d97032c6508..000000000000
--- a/drivers/staging/android/pmem.c
+++ /dev/null
@@ -1,1345 +0,0 @@
-/* pmem.c
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#include <linux/miscdevice.h>
-#include <linux/platform_device.h>
-#include <linux/fs.h>
-#include <linux/file.h>
-#include <linux/mm.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/debugfs.h>
-#include <linux/mempolicy.h>
-#include <linux/sched.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/cacheflush.h>
-#include "android_pmem.h"
-
-#define PMEM_MAX_DEVICES 10
-#define PMEM_MAX_ORDER 128
-#define PMEM_MIN_ALLOC PAGE_SIZE
-
-#define PMEM_DEBUG 1
-
-/* indicates that a refernce to this file has been taken via get_pmem_file,
- * the file should not be released until put_pmem_file is called */
-#define PMEM_FLAGS_BUSY 0x1
-/* indicates that this is a suballocation of a larger master range */
-#define PMEM_FLAGS_CONNECTED 0x1 << 1
-/* indicates this is a master and not a sub allocation and that it is mmaped */
-#define PMEM_FLAGS_MASTERMAP 0x1 << 2
-/* submap and unsubmap flags indicate:
- * 00: subregion has never been mmaped
- * 10: subregion has been mmaped, reference to the mm was taken
- * 11: subretion has ben released, refernece to the mm still held
- * 01: subretion has been released, reference to the mm has been released
- */
-#define PMEM_FLAGS_SUBMAP 0x1 << 3
-#define PMEM_FLAGS_UNSUBMAP 0x1 << 4
-
-
-struct pmem_data {
-        /* in alloc mode: an index into the bitmap
-         * in no_alloc mode: the size of the allocation */
-        int index;
-        /* see flags above for descriptions */
-        unsigned int flags;
-        /* protects this data field, if the mm_mmap sem will be held at the
-         * same time as this sem, the mm sem must be taken first (as this is
-         * the order for vma_open and vma_close ops */
-        struct rw_semaphore sem;
-        /* info about the mmaping process */
-        struct vm_area_struct *vma;
-        /* task struct of the mapping process */
-        struct task_struct *task;
-        /* process id of teh mapping process */
-        pid_t pid;
-        /* file descriptor of the master */
-        int master_fd;
-        /* file struct of the master */
-        struct file *master_file;
-        /* a list of currently available regions if this is a suballocation */
-        struct list_head region_list;
-        /* a linked list of data so we can access them for debugging */
-        struct list_head list;
-#if PMEM_DEBUG
-        int ref;
-#endif
-};
-
-struct pmem_bits {
-        unsigned allocated:1;           /* 1 if allocated, 0 if free */
-        unsigned order:7;               /* size of the region in pmem space */
-};
-
-struct pmem_region_node {
-        struct pmem_region region;
-        struct list_head list;
-};
-
-#define PMEM_DEBUG_MSGS 0
-#if PMEM_DEBUG_MSGS
-#define DLOG(fmt,args...) \
-        do { printk(KERN_INFO "[%s:%s:%d] "fmt, __FILE__, __func__, __LINE__, \
-                    ##args); } \
-        while (0)
-#else
-#define DLOG(x...) do {} while (0)
-#endif
-
-struct pmem_info {
-        struct miscdevice dev;
-        /* physical start address of the remaped pmem space */
-        unsigned long base;
-        /* vitual start address of the remaped pmem space */
-        unsigned char __iomem *vbase;
-        /* total size of the pmem space */
-        unsigned long size;
-        /* number of entries in the pmem space */
-        unsigned long num_entries;
-        /* pfn of the garbage page in memory */
-        unsigned long garbage_pfn;
-        /* index of the garbage page in the pmem space */
-        int garbage_index;
-        /* the bitmap for the region indicating which entries are allocated
-         * and which are free */
-        struct pmem_bits *bitmap;
-        /* indicates the region should not be managed with an allocator */
-        unsigned no_allocator;
-        /* indicates maps of this region should be cached, if a mix of
-         * cached and uncached is desired, set this and open the device with
-         * O_SYNC to get an uncached region */
-        unsigned cached;
-        unsigned buffered;
-        /* in no_allocator mode the first mapper gets the whole space and sets
-         * this flag */
-        unsigned allocated;
-        /* for debugging, creates a list of pmem file structs, the
-         * data_list_lock should be taken before pmem_data->sem if both are
-         * needed */
-        struct mutex data_list_lock;
-        struct list_head data_list;
-        /* pmem_sem protects the bitmap array
-         * a write lock should be held when modifying entries in bitmap
-         * a read lock should be held when reading data from bits or
-         * dereferencing a pointer into bitmap
-         *
-         * pmem_data->sem protects the pmem data of a particular file
-         * Many of the function that require the pmem_data->sem have a non-
-         * locking version for when the caller is already holding that sem.
-         *
-         * IF YOU TAKE BOTH LOCKS TAKE THEM IN THIS ORDER:
-         * down(pmem_data->sem) => down(bitmap_sem)
-         */
-        struct rw_semaphore bitmap_sem;
-
-        long (*ioctl)(struct file *, unsigned int, unsigned long);
-        int (*release)(struct inode *, struct file *);
-};
-
-static struct pmem_info pmem[PMEM_MAX_DEVICES];
-static int id_count;
-
-#define PMEM_IS_FREE(id, index) !(pmem[id].bitmap[index].allocated)
-#define PMEM_ORDER(id, index) pmem[id].bitmap[index].order
-#define PMEM_BUDDY_INDEX(id, index) (index ^ (1 << PMEM_ORDER(id, index)))
-#define PMEM_NEXT_INDEX(id, index) (index + (1 << PMEM_ORDER(id, index)))
-#define PMEM_OFFSET(index) (index * PMEM_MIN_ALLOC)
-#define PMEM_START_ADDR(id, index) (PMEM_OFFSET(index) + pmem[id].base)
-#define PMEM_LEN(id, index) ((1 << PMEM_ORDER(id, index)) * PMEM_MIN_ALLOC)
-#define PMEM_END_ADDR(id, index) (PMEM_START_ADDR(id, index) + \
-        PMEM_LEN(id, index))
-#define PMEM_START_VADDR(id, index) (PMEM_OFFSET(id, index) + pmem[id].vbase)
-#define PMEM_END_VADDR(id, index) (PMEM_START_VADDR(id, index) + \
-        PMEM_LEN(id, index))
-#define PMEM_REVOKED(data) (data->flags & PMEM_FLAGS_REVOKED)
-#define PMEM_IS_PAGE_ALIGNED(addr) (!((addr) & (~PAGE_MASK)))
-#define PMEM_IS_SUBMAP(data) ((data->flags & PMEM_FLAGS_SUBMAP) && \
-        (!(data->flags & PMEM_FLAGS_UNSUBMAP)))
-
-static int pmem_release(struct inode *, struct file *);
-static int pmem_mmap(struct file *, struct vm_area_struct *);
-static int pmem_open(struct inode *, struct file *);
-static long pmem_ioctl(struct file *, unsigned int, unsigned long);
-
-struct file_operations pmem_fops = {
-        .release = pmem_release,
-        .mmap = pmem_mmap,
-        .open = pmem_open,
-        .unlocked_ioctl = pmem_ioctl,
-};
-
-static int get_id(struct file *file)
-{
-        return MINOR(file->f_dentry->d_inode->i_rdev);
-}
-
-int is_pmem_file(struct file *file)
-{
-        int id;
-
-        if (unlikely(!file || !file->f_dentry || !file->f_dentry->d_inode))
-                return 0;
-        id = get_id(file);
-        if (unlikely(id >= PMEM_MAX_DEVICES))
-                return 0;
-        if (unlikely(file->f_dentry->d_inode->i_rdev !=
-             MKDEV(MISC_MAJOR, pmem[id].dev.minor)))
-                return 0;
-        return 1;
-}
-
-static int has_allocation(struct file *file)
-{
-        struct pmem_data *data;
-        /* check is_pmem_file first if not accessed via pmem_file_ops */
-
-        if (unlikely(!file->private_data))
-                return 0;
-        data = (struct pmem_data *)file->private_data;
-        if (unlikely(data->index < 0))
-                return 0;
-        return 1;
-}
-
-static int is_master_owner(struct file *file)
-{
-        struct file *master_file;
-        struct pmem_data *data;
-        int put_needed, ret = 0;
-
-        if (!is_pmem_file(file) || !has_allocation(file))
-                return 0;
-        data = (struct pmem_data *)file->private_data;
-        if (PMEM_FLAGS_MASTERMAP & data->flags)
-                return 1;
-        master_file = fget_light(data->master_fd, &put_needed);
-        if (master_file && data->master_file == master_file)
-                ret = 1;
-        fput_light(master_file, put_needed);
-        return ret;
-}
-
-static int pmem_free(int id, int index)
-{
-        /* caller should hold the write lock on pmem_sem! */
-        int buddy, curr = index;
-        DLOG("index %d\n", index);
-
-        if (pmem[id].no_allocator) {
-                pmem[id].allocated = 0;
-                return 0;
-        }
-        /* clean up the bitmap, merging any buddies */
-        pmem[id].bitmap[curr].allocated = 0;
-        /* find a slots buddy Buddy# = Slot# ^ (1 << order)
-         * if the buddy is also free merge them
-         * repeat until the buddy is not free or end of the bitmap is reached
-         */
-        do {
-                buddy = PMEM_BUDDY_INDEX(id, curr);
-                if (PMEM_IS_FREE(id, buddy) &&
-                                PMEM_ORDER(id, buddy) == PMEM_ORDER(id, curr)) {
-                        PMEM_ORDER(id, buddy)++;
-                        PMEM_ORDER(id, curr)++;
-                        curr = min(buddy, curr);
-                } else {
-                        break;
-                }
-        } while (curr < pmem[id].num_entries);
-
-        return 0;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data);
-
-static int pmem_release(struct inode *inode, struct file *file)
-{
-        struct pmem_data *data = (struct pmem_data *)file->private_data;
-        struct pmem_region_node *region_node;
-        struct list_head *elt, *elt2;
-        int id = get_id(file), ret = 0;
-
-
-        mutex_lock(&pmem[id].data_list_lock);
-        /* if this file is a master, revoke all the memory in the connected
-         *  files */
-        if (PMEM_FLAGS_MASTERMAP & data->flags) {
-                struct pmem_data *sub_data;
-                list_for_each(elt, &pmem[id].data_list) {
-                        sub_data = list_entry(elt, struct pmem_data, list);
-                        down_read(&sub_data->sem);
-                        if (PMEM_IS_SUBMAP(sub_data) &&
-                            file == sub_data->master_file) {
-                                up_read(&sub_data->sem);
-                                pmem_revoke(file, sub_data);
-                        }  else
-                                up_read(&sub_data->sem);
-                }
-        }
-        list_del(&data->list);
-        mutex_unlock(&pmem[id].data_list_lock);
-
-
-        down_write(&data->sem);
-
-        /* if its not a conencted file and it has an allocation, free it */
-        if (!(PMEM_FLAGS_CONNECTED & data->flags) && has_allocation(file)) {
-                down_write(&pmem[id].bitmap_sem);
-                ret = pmem_free(id, data->index);
-                up_write(&pmem[id].bitmap_sem);
-        }
-
-        /* if this file is a submap (mapped, connected file), downref the
-         * task struct */
-        if (PMEM_FLAGS_SUBMAP & data->flags)
-                if (data->task) {
-                        put_task_struct(data->task);
-                        data->task = NULL;
-                }
-
-        file->private_data = NULL;
-
-        list_for_each_safe(elt, elt2, &data->region_list) {
-                region_node = list_entry(elt, struct pmem_region_node, list);
-                list_del(elt);
-                kfree(region_node);
-        }
-        BUG_ON(!list_empty(&data->region_list));
-
-        up_write(&data->sem);
-        kfree(data);
-        if (pmem[id].release)
-                ret = pmem[id].release(inode, file);
-
-        return ret;
-}
-
-static int pmem_open(struct inode *inode, struct file *file)
-{
-        struct pmem_data *data;
-        int id = get_id(file);
-        int ret = 0;
-
-        DLOG("current %u file %p(%d)\n", current->pid, file, file_count(file));
-        /* setup file->private_data to indicate its unmapped */
-        /*  you can only open a pmem device one time */
-        if (file->private_data != NULL)
-                return -1;
-        data = kmalloc(sizeof(struct pmem_data), GFP_KERNEL);
-        if (!data) {
-                printk("pmem: unable to allocate memory for pmem metadata.");
-                return -1;
-        }
-        data->flags = 0;
-        data->index = -1;
-        data->task = NULL;
-        data->vma = NULL;
-        data->pid = 0;
-        data->master_file = NULL;
-#if PMEM_DEBUG
-        data->ref = 0;
-#endif
-        INIT_LIST_HEAD(&data->region_list);
-        init_rwsem(&data->sem);
-
-        file->private_data = data;
-        INIT_LIST_HEAD(&data->list);
-
-        mutex_lock(&pmem[id].data_list_lock);
-        list_add(&data->list, &pmem[id].data_list);
-        mutex_unlock(&pmem[id].data_list_lock);
-        return ret;
-}
-
-static unsigned long pmem_order(unsigned long len)
-{
-        int i;
-
-        len = (len + PMEM_MIN_ALLOC - 1)/PMEM_MIN_ALLOC;
-        len--;
-        for (i = 0; i < sizeof(len)*8; i++)
-                if (len >> i == 0)
-                        break;
-        return i;
-}
-
-static int pmem_allocate(int id, unsigned long len)
-{
-        /* caller should hold the write lock on pmem_sem! */
-        /* return the corresponding pdata[] entry */
-        int curr = 0;
-        int end = pmem[id].num_entries;
-        int best_fit = -1;
-        unsigned long order = pmem_order(len);
-
-        if (pmem[id].no_allocator) {
-                DLOG("no allocator");
-                if ((len > pmem[id].size) || pmem[id].allocated)
-                        return -1;
-                pmem[id].allocated = 1;
-                return len;
-        }
-
-        if (order > PMEM_MAX_ORDER)
-                return -1;
-        DLOG("order %lx\n", order);
-
-        /* look through the bitmap:
-         *      if you find a free slot of the correct order use it
-         *      otherwise, use the best fit (smallest with size > order) slot
-         */
-        while (curr < end) {
-                if (PMEM_IS_FREE(id, curr)) {
-                        if (PMEM_ORDER(id, curr) == (unsigned char)order) {
-                                /* set the not free bit and clear others */
-                                best_fit = curr;
-                                break;
-                        }
-                        if (PMEM_ORDER(id, curr) > (unsigned char)order &&
-                            (best_fit < 0 ||
-                             PMEM_ORDER(id, curr) < PMEM_ORDER(id, best_fit)))
-                                best_fit = curr;
-                }
-                curr = PMEM_NEXT_INDEX(id, curr);
-        }
-
-        /* if best_fit < 0, there are no suitable slots,
-         * return an error
-         */
-        if (best_fit < 0) {
-                printk("pmem: no space left to allocate!\n");
-                return -1;
-        }
-
-        /* now partition the best fit:
-         *      split the slot into 2 buddies of order - 1
-         *      repeat until the slot is of the correct order
-         */
-        while (PMEM_ORDER(id, best_fit) > (unsigned char)order) {
-                int buddy;
-                PMEM_ORDER(id, best_fit) -= 1;
-                buddy = PMEM_BUDDY_INDEX(id, best_fit);
-                PMEM_ORDER(id, buddy) = PMEM_ORDER(id, best_fit);
-        }
-        pmem[id].bitmap[best_fit].allocated = 1;
-        return best_fit;
-}
-
-static pgprot_t pmem_access_prot(struct file *file, pgprot_t vma_prot)
-{
-        int id = get_id(file);
-#ifdef pgprot_noncached
-        if (pmem[id].cached == 0 || file->f_flags & O_SYNC)
-                return pgprot_noncached(vma_prot);
-#endif
-#ifdef pgprot_ext_buffered
-        else if (pmem[id].buffered)
-                return pgprot_ext_buffered(vma_prot);
-#endif
-        return vma_prot;
-}
-
-static unsigned long pmem_start_addr(int id, struct pmem_data *data)
-{
-        if (pmem[id].no_allocator)
-                return PMEM_START_ADDR(id, 0);
-        else
-                return PMEM_START_ADDR(id, data->index);
-
-}
-
-static void *pmem_start_vaddr(int id, struct pmem_data *data)
-{
-        return pmem_start_addr(id, data) - pmem[id].base + pmem[id].vbase;
-}
-
-static unsigned long pmem_len(int id, struct pmem_data *data)
-{
-        if (pmem[id].no_allocator)
-                return data->index;
-        else
-                return PMEM_LEN(id, data->index);
-}
-
-static int pmem_map_garbage(int id, struct vm_area_struct *vma,
-                            struct pmem_data *data, unsigned long offset,
-                            unsigned long len)
-{
-        int i, garbage_pages = len >> PAGE_SHIFT;
-
-        vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP | VM_SHARED | VM_WRITE;
-        for (i = 0; i < garbage_pages; i++) {
-                if (vm_insert_pfn(vma, vma->vm_start + offset + (i * PAGE_SIZE),
-                    pmem[id].garbage_pfn))
-                        return -EAGAIN;
-        }
-        return 0;
-}
-
-static int pmem_unmap_pfn_range(int id, struct vm_area_struct *vma,
-                                struct pmem_data *data, unsigned long offset,
-                                unsigned long len)
-{
-        int garbage_pages;
-        DLOG("unmap offset %lx len %lx\n", offset, len);
-
-        BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
-
-        garbage_pages = len >> PAGE_SHIFT;
-        zap_page_range(vma, vma->vm_start + offset, len, NULL);
-        pmem_map_garbage(id, vma, data, offset, len);
-        return 0;
-}
-
-static int pmem_map_pfn_range(int id, struct vm_area_struct *vma,
-                              struct pmem_data *data, unsigned long offset,
-                              unsigned long len)
-{
-        DLOG("map offset %lx len %lx\n", offset, len);
-        BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_start));
-        BUG_ON(!PMEM_IS_PAGE_ALIGNED(vma->vm_end));
-        BUG_ON(!PMEM_IS_PAGE_ALIGNED(len));
-        BUG_ON(!PMEM_IS_PAGE_ALIGNED(offset));
-
-        if (io_remap_pfn_range(vma, vma->vm_start + offset,
-                (pmem_start_addr(id, data) + offset) >> PAGE_SHIFT,
-                len, vma->vm_page_prot)) {
-                return -EAGAIN;
-        }
-        return 0;
-}
-
-static int pmem_remap_pfn_range(int id, struct vm_area_struct *vma,
-                              struct pmem_data *data, unsigned long offset,
-                              unsigned long len)
-{
-        /* hold the mm semp for the vma you are modifying when you call this */
-        BUG_ON(!vma);
-        zap_page_range(vma, vma->vm_start + offset, len, NULL);
-        return pmem_map_pfn_range(id, vma, data, offset, len);
-}
-
-static void pmem_vma_open(struct vm_area_struct *vma)
-{
-        struct file *file = vma->vm_file;
-        struct pmem_data *data = file->private_data;
-        int id = get_id(file);
-        /* this should never be called as we don't support copying pmem
-         * ranges via fork */
-        BUG_ON(!has_allocation(file));
-        down_write(&data->sem);
-        /* remap the garbage pages, forkers don't get access to the data */
-        pmem_unmap_pfn_range(id, vma, data, 0, vma->vm_start - vma->vm_end);
-        up_write(&data->sem);
-}
-
-static void pmem_vma_close(struct vm_area_struct *vma)
-{
-        struct file *file = vma->vm_file;
-        struct pmem_data *data = file->private_data;
-
-        DLOG("current %u ppid %u file %p count %d\n", current->pid,
-             current->parent->pid, file, file_count(file));
-        if (unlikely(!is_pmem_file(file) || !has_allocation(file))) {
-                printk(KERN_WARNING "pmem: something is very wrong, you are "
-                       "closing a vm backing an allocation that doesn't "
-                       "exist!\n");
-                return;
-        }
-        down_write(&data->sem);
-        if (data->vma == vma) {
-                data->vma = NULL;
-                if ((data->flags & PMEM_FLAGS_CONNECTED) &&
-                    (data->flags & PMEM_FLAGS_SUBMAP))
-                        data->flags |= PMEM_FLAGS_UNSUBMAP;
-        }
-        /* the kernel is going to free this vma now anyway */
-        up_write(&data->sem);
-}
-
-static struct vm_operations_struct vm_ops = {
-        .open = pmem_vma_open,
-        .close = pmem_vma_close,
-};
-
-static int pmem_mmap(struct file *file, struct vm_area_struct *vma)
-{
-        struct pmem_data *data;
-        int index;
-        unsigned long vma_size =  vma->vm_end - vma->vm_start;
-        int ret = 0, id = get_id(file);
-
-        if (vma->vm_pgoff || !PMEM_IS_PAGE_ALIGNED(vma_size)) {
-#if PMEM_DEBUG
-                printk(KERN_ERR "pmem: mmaps must be at offset zero, aligned"
-                                " and a multiple of pages_size.\n");
-#endif
-                return -EINVAL;
-        }
-
-        data = (struct pmem_data *)file->private_data;
-        down_write(&data->sem);
-        /* check this file isn't already mmaped, for submaps check this file
-         * has never been mmaped */
-        if ((data->flags & PMEM_FLAGS_SUBMAP) ||
-            (data->flags & PMEM_FLAGS_UNSUBMAP)) {
-#if PMEM_DEBUG
-                printk(KERN_ERR "pmem: you can only mmap a pmem file once, "
-                       "this file is already mmaped. %x\n", data->flags);
-#endif
-                ret = -EINVAL;
-                goto error;
-        }
-        /* if file->private_data == unalloced, alloc*/
-        if (data && data->index == -1) {
-                down_write(&pmem[id].bitmap_sem);
-                index = pmem_allocate(id, vma->vm_end - vma->vm_start);
-                up_write(&pmem[id].bitmap_sem);
-                data->index = index;
-        }
-        /* either no space was available or an error occured */
-        if (!has_allocation(file)) {
-                ret = -EINVAL;
-                printk("pmem: could not find allocation for map.\n");
-                goto error;
-        }
-
-        if (pmem_len(id, data) < vma_size) {
-#if PMEM_DEBUG
-                printk(KERN_WARNING "pmem: mmap size [%lu] does not match"
-                       "size of backing region [%lu].\n", vma_size,
-                       pmem_len(id, data));
-#endif
-                ret = -EINVAL;
-                goto error;
-        }
-
-        vma->vm_pgoff = pmem_start_addr(id, data) >> PAGE_SHIFT;
-        vma->vm_page_prot = pmem_access_prot(file, vma->vm_page_prot);
-
-        if (data->flags & PMEM_FLAGS_CONNECTED) {
-                struct pmem_region_node *region_node;
-                struct list_head *elt;
-                if (pmem_map_garbage(id, vma, data, 0, vma_size)) {
-                        printk("pmem: mmap failed in kernel!\n");
-                        ret = -EAGAIN;
-                        goto error;
-                }
-                list_for_each(elt, &data->region_list) {
-                        region_node = list_entry(elt, struct pmem_region_node,
-                                                 list);
-                        DLOG("remapping file: %p %lx %lx\n", file,
-                                region_node->region.offset,
-                                region_node->region.len);
-                        if (pmem_remap_pfn_range(id, vma, data,
-                                                 region_node->region.offset,
-                                                 region_node->region.len)) {
-                                ret = -EAGAIN;
-                                goto error;
-                        }
-                }
-                data->flags |= PMEM_FLAGS_SUBMAP;
-                get_task_struct(current->group_leader);
-                data->task = current->group_leader;
-                data->vma = vma;
-#if PMEM_DEBUG
-                data->pid = current->pid;
-#endif
-                DLOG("submmapped file %p vma %p pid %u\n", file, vma,
-                     current->pid);
-        } else {
-                if (pmem_map_pfn_range(id, vma, data, 0, vma_size)) {
-                        printk(KERN_INFO "pmem: mmap failed in kernel!\n");
-                        ret = -EAGAIN;
-                        goto error;
-                }
-                data->flags |= PMEM_FLAGS_MASTERMAP;
-                data->pid = current->pid;
-        }
-        vma->vm_ops = &vm_ops;
-error:
-        up_write(&data->sem);
-        return ret;
-}
-
-/* the following are the api for accessing pmem regions by other drivers
- * from inside the kernel */
-int get_pmem_user_addr(struct file *file, unsigned long *start,
-                   unsigned long *len)
-{
-        struct pmem_data *data;
-        if (!is_pmem_file(file) || !has_allocation(file)) {
-#if PMEM_DEBUG
-                printk(KERN_INFO "pmem: requested pmem data from invalid"
-                                  "file.\n");
-#endif
-                return -1;
-        }
-        data = (struct pmem_data *)file->private_data;
-        down_read(&data->sem);
-        if (data->vma) {
-                *start = data->vma->vm_start;
-                *len = data->vma->vm_end - data->vma->vm_start;
-        } else {
-                *start = 0;
-                *len = 0;
-        }
-        up_read(&data->sem);
-        return 0;
-}
-
-int get_pmem_addr(struct file *file, unsigned long *start,
-                  unsigned long *vstart, unsigned long *len)
-{
-        struct pmem_data *data;
-        int id;
-
-        if (!is_pmem_file(file) || !has_allocation(file)) {
-                return -1;
-        }
-
-        data = (struct pmem_data *)file->private_data;
-        if (data->index == -1) {
-#if PMEM_DEBUG
-                printk(KERN_INFO "pmem: requested pmem data from file with no "
-                       "allocation.\n");
-                return -1;
-#endif
-        }
-        id = get_id(file);
-
-        down_read(&data->sem);
-        *start = pmem_start_addr(id, data);
-        *len = pmem_len(id, data);
-        *vstart = (unsigned long)pmem_start_vaddr(id, data);
-        up_read(&data->sem);
-#if PMEM_DEBUG
-        down_write(&data->sem);
-        data->ref++;
-        up_write(&data->sem);
-#endif
-        return 0;
-}
-
-int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
-                  unsigned long *len, struct file **filp)
-{
-        struct file *file;
-
-        file = fget(fd);
-        if (unlikely(file == NULL)) {
-                printk(KERN_INFO "pmem: requested data from file descriptor "
-                       "that doesn't exist.");
-                return -1;
-        }
-
-        if (get_pmem_addr(file, start, vstart, len))
-                goto end;
-
-        if (filp)
-                *filp = file;
-        return 0;
-end:
-        fput(file);
-        return -1;
-}
-
-void put_pmem_file(struct file *file)
-{
-        struct pmem_data *data;
-        int id;
-
-        if (!is_pmem_file(file))
-                return;
-        id = get_id(file);
-        data = (struct pmem_data *)file->private_data;
-#if PMEM_DEBUG
-        down_write(&data->sem);
-        if (data->ref == 0) {
-                printk("pmem: pmem_put > pmem_get %s (pid %d)\n",
-                       pmem[id].dev.name, data->pid);
-                BUG();
-        }
-        data->ref--;
-        up_write(&data->sem);
-#endif
-        fput(file);
-}
-
-void flush_pmem_file(struct file *file, unsigned long offset, unsigned long len)
-{
-        struct pmem_data *data;
-        int id;
-        void *vaddr;
-        struct pmem_region_node *region_node;
-        struct list_head *elt;
-        void *flush_start, *flush_end;
-
-        if (!is_pmem_file(file) || !has_allocation(file)) {
-                return;
-        }
-
-        id = get_id(file);
-        data = (struct pmem_data *)file->private_data;
-        if (!pmem[id].cached || file->f_flags & O_SYNC)
-                return;
-
-        down_read(&data->sem);
-        vaddr = pmem_start_vaddr(id, data);
-        /* if this isn't a submmapped file, flush the whole thing */
-        if (unlikely(!(data->flags & PMEM_FLAGS_CONNECTED))) {
-                dmac_flush_range(vaddr, vaddr + pmem_len(id, data));
-                goto end;
-        }
-        /* otherwise, flush the region of the file we are drawing */
-        list_for_each(elt, &data->region_list) {
-                region_node = list_entry(elt, struct pmem_region_node, list);
-                if ((offset >= region_node->region.offset) &&
-                    ((offset + len) <= (region_node->region.offset +
-                        region_node->region.len))) {
-                        flush_start = vaddr + region_node->region.offset;
-                        flush_end = flush_start + region_node->region.len;
-                        dmac_flush_range(flush_start, flush_end);
-                        break;
-                }
-        }
-end:
-        up_read(&data->sem);
-}
-
-static int pmem_connect(unsigned long connect, struct file *file)
-{
-        struct pmem_data *data = (struct pmem_data *)file->private_data;
-        struct pmem_data *src_data;
-        struct file *src_file;
-        int ret = 0, put_needed;
-
-        down_write(&data->sem);
-        /* retrieve the src file and check it is a pmem file with an alloc */
-        src_file = fget_light(connect, &put_needed);
-        DLOG("connect %p to %p\n", file, src_file);
-        if (!src_file) {
-                printk("pmem: src file not found!\n");
-                ret = -EINVAL;
-                goto err_no_file;
-        }
-        if (unlikely(!is_pmem_file(src_file) || !has_allocation(src_file))) {
-                printk(KERN_INFO "pmem: src file is not a pmem file or has no "
-                       "alloc!\n");
-                ret = -EINVAL;
-                goto err_bad_file;
-        }
-        src_data = (struct pmem_data *)src_file->private_data;
-
-        if (has_allocation(file) && (data->index != src_data->index)) {
-                printk("pmem: file is already mapped but doesn't match this"
-                       " src_file!\n");
-                ret = -EINVAL;
-                goto err_bad_file;
-        }
-        data->index = src_data->index;
-        data->flags |= PMEM_FLAGS_CONNECTED;
-        data->master_fd = connect;
-        data->master_file = src_file;
-
-err_bad_file:
-        fput_light(src_file, put_needed);
-err_no_file:
-        up_write(&data->sem);
-        return ret;
-}
-
-static void pmem_unlock_data_and_mm(struct pmem_data *data,
-                                    struct mm_struct *mm)
-{
-        up_write(&data->sem);
-        if (mm != NULL) {
-                up_write(&mm->mmap_sem);
-                mmput(mm);
-        }
-}
-
-static int pmem_lock_data_and_mm(struct file *file, struct pmem_data *data,
-                                 struct mm_struct **locked_mm)
-{
-        int ret = 0;
-        struct mm_struct *mm = NULL;
-        *locked_mm = NULL;
-lock_mm:
-        down_read(&data->sem);
-        if (PMEM_IS_SUBMAP(data)) {
-                mm = get_task_mm(data->task);
-                if (!mm) {
-#if PMEM_DEBUG
-                        printk("pmem: can't remap task is gone!\n");
-#endif
-                        up_read(&data->sem);
-                        return -1;
-                }
-        }
-        up_read(&data->sem);
-
-        if (mm)
-                down_write(&mm->mmap_sem);
-
-        down_write(&data->sem);
-        /* check that the file didn't get mmaped before we could take the
-         * data sem, this should be safe b/c you can only submap each file
-         * once */
-        if (PMEM_IS_SUBMAP(data) && !mm) {
-                pmem_unlock_data_and_mm(data, mm);
-                up_write(&data->sem);
-                goto lock_mm;
-        }
-        /* now check that vma.mm is still there, it could have been
-         * deleted by vma_close before we could get the data->sem */
-        if ((data->flags & PMEM_FLAGS_UNSUBMAP) && (mm != NULL)) {
-                /* might as well release this */
-                if (data->flags & PMEM_FLAGS_SUBMAP) {
-                        put_task_struct(data->task);
-                        data->task = NULL;
-                        /* lower the submap flag to show the mm is gone */
-                        data->flags &= ~(PMEM_FLAGS_SUBMAP);
-                }
-                pmem_unlock_data_and_mm(data, mm);
-                return -1;
-        }
-        *locked_mm = mm;
-        return ret;
-}
-
-int pmem_remap(struct pmem_region *region, struct file *file,
-                      unsigned operation)
-{
-        int ret;
-        struct pmem_region_node *region_node;
-        struct mm_struct *mm = NULL;
-        struct list_head *elt, *elt2;
-        int id = get_id(file);
-        struct pmem_data *data = (struct pmem_data *)file->private_data;
-
-        /* pmem region must be aligned on a page boundry */
-        if (unlikely(!PMEM_IS_PAGE_ALIGNED(region->offset) ||
-                 !PMEM_IS_PAGE_ALIGNED(region->len))) {
-#if PMEM_DEBUG
-                printk("pmem: request for unaligned pmem suballocation "
-                       "%lx %lx\n", region->offset, region->len);
-#endif
-                return -EINVAL;
-        }
-
-        /* if userspace requests a region of len 0, there's nothing to do */
-        if (region->len == 0)
-                return 0;
-
-        /* lock the mm and data */
-        ret = pmem_lock_data_and_mm(file, data, &mm);
-        if (ret)
-                return 0;
-
-        /* only the owner of the master file can remap the client fds
-         * that back in it */
-        if (!is_master_owner(file)) {
-#if PMEM_DEBUG
-                printk("pmem: remap requested from non-master process\n");
-#endif
-                ret = -EINVAL;
-                goto err;
-        }
-
-        /* check that the requested range is within the src allocation */
-        if (unlikely((region->offset > pmem_len(id, data)) ||
-                     (region->len > pmem_len(id, data)) ||
-                     (region->offset + region->len > pmem_len(id, data)))) {
-#if PMEM_DEBUG
-                printk(KERN_INFO "pmem: suballoc doesn't fit in src_file!\n");
-#endif
-                ret = -EINVAL;
-                goto err;
-        }
-
-        if (operation == PMEM_MAP) {
-                region_node = kmalloc(sizeof(struct pmem_region_node),
-                              GFP_KERNEL);
-                if (!region_node) {
-                        ret = -ENOMEM;
-#if PMEM_DEBUG
-                        printk(KERN_INFO "No space to allocate metadata!");
-#endif
-                        goto err;
-                }
-                region_node->region = *region;
-                list_add(&region_node->list, &data->region_list);
-        } else if (operation == PMEM_UNMAP) {
-                int found = 0;
-                list_for_each_safe(elt, elt2, &data->region_list) {
-                        region_node = list_entry(elt, struct pmem_region_node,
-                                      list);
-                        if (region->len == 0 ||
-                            (region_node->region.offset == region->offset &&
-                            region_node->region.len == region->len)) {
-                                list_del(elt);
-                                kfree(region_node);
-                                found = 1;
-                        }
-                }
-                if (!found) {
-#if PMEM_DEBUG
-                        printk("pmem: Unmap region does not map any mapped "
-                                "region!");
-#endif
-                        ret = -EINVAL;
-                        goto err;
-                }
-        }
-
-        if (data->vma && PMEM_IS_SUBMAP(data)) {
-                if (operation == PMEM_MAP)
-                        ret = pmem_remap_pfn_range(id, data->vma, data,
-                                                   region->offset, region->len);
-                else if (operation == PMEM_UNMAP)
-                        ret = pmem_unmap_pfn_range(id, data->vma, data,
-                                                   region->offset, region->len);
-        }
-
-err:
-        pmem_unlock_data_and_mm(data, mm);
-        return ret;
-}
-
-static void pmem_revoke(struct file *file, struct pmem_data *data)
-{
-        struct pmem_region_node *region_node;
-        struct list_head *elt, *elt2;
-        struct mm_struct *mm = NULL;
-        int id = get_id(file);
-        int ret = 0;
-
-        data->master_file = NULL;
-        ret = pmem_lock_data_and_mm(file, data, &mm);
-        /* if lock_data_and_mm fails either the task that mapped the fd, or
-         * the vma that mapped it have already gone away, nothing more
-         * needs to be done */
-        if (ret)
-                return;
-        /* unmap everything */
-        /* delete the regions and region list nothing is mapped any more */
-        if (data->vma)
-                list_for_each_safe(elt, elt2, &data->region_list) {
-                        region_node = list_entry(elt, struct pmem_region_node,
-                                                 list);
-                        pmem_unmap_pfn_range(id, data->vma, data,
-                                             region_node->region.offset,
-                                             region_node->region.len);
-                        list_del(elt);
-                        kfree(region_node);
-        }
-        /* delete the master file */
-        pmem_unlock_data_and_mm(data, mm);
-}
-
-static void pmem_get_size(struct pmem_region *region, struct file *file)
-{
-        struct pmem_data *data = (struct pmem_data *)file->private_data;
-        int id = get_id(file);
-
-        if (!has_allocation(file)) {
-                region->offset = 0;
-                region->len = 0;
-                return;
-        } else {
-                region->offset = pmem_start_addr(id, data);
-                region->len = pmem_len(id, data);
-        }
-        DLOG("offset %lx len %lx\n", region->offset, region->len);
-}
-
-
-static long pmem_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
-{
-        struct pmem_data *data;
-        int id = get_id(file);
-
-        switch (cmd) {
-        case PMEM_GET_PHYS:
-                {
-                        struct pmem_region region;
-                        DLOG("get_phys\n");
-                        if (!has_allocation(file)) {
-                                region.offset = 0;
-                                region.len = 0;
-                        } else {
-                                data = (struct pmem_data *)file->private_data;
-                                region.offset = pmem_start_addr(id, data);
-                                region.len = pmem_len(id, data);
-                        }
-                        printk(KERN_INFO "pmem: request for physical address of pmem region "
-                                        "from process %d.\n", current->pid);
-                        if (copy_to_user((void __user *)arg, &region,
-                                                sizeof(struct pmem_region)))
-                                return -EFAULT;
-                        break;
-                }
-        case PMEM_MAP:
-                {
-                        struct pmem_region region;
-                        if (copy_from_user(&region, (void __user *)arg,
-                                                sizeof(struct pmem_region)))
-                                return -EFAULT;
-                        data = (struct pmem_data *)file->private_data;
-                        return pmem_remap(&region, file, PMEM_MAP);
-                }
-                break;
-        case PMEM_UNMAP:
-                {
-                        struct pmem_region region;
-                        if (copy_from_user(&region, (void __user *)arg,
-                                                sizeof(struct pmem_region)))
-                                return -EFAULT;
-                        data = (struct pmem_data *)file->private_data;
-                        return pmem_remap(&region, file, PMEM_UNMAP);
-                        break;
-                }
-        case PMEM_GET_SIZE:
-                {
-                        struct pmem_region region;
-                        DLOG("get_size\n");
-                        pmem_get_size(&region, file);
-                        if (copy_to_user((void __user *)arg, &region,
-                                                sizeof(struct pmem_region)))
-                                return -EFAULT;
-                        break;
-                }
-        case PMEM_GET_TOTAL_SIZE:
-                {
-                        struct pmem_region region;
-                        DLOG("get total size\n");
-                        region.offset = 0;
-                        get_id(file);
-                        region.len = pmem[id].size;
-                        if (copy_to_user((void __user *)arg, &region,
-                                                sizeof(struct pmem_region)))
-                                return -EFAULT;
-                        break;
-                }
-        case PMEM_ALLOCATE:
-                {
-                        if (has_allocation(file))
-                                return -EINVAL;
-                        data = (struct pmem_data *)file->private_data;
-                        data->index = pmem_allocate(id, arg);
-                        break;
-                }
-        case PMEM_CONNECT:
-                DLOG("connect\n");
-                return pmem_connect(arg, file);
-                break;
-        case PMEM_CACHE_FLUSH:
-                {
-                        struct pmem_region region;
-                        DLOG("flush\n");
-                        if (copy_from_user(&region, (void __user *)arg,
-                                           sizeof(struct pmem_region)))
-                                return -EFAULT;
-                        flush_pmem_file(file, region.offset, region.len);
-                        break;
-                }
-        default:
-                if (pmem[id].ioctl)
-                        return pmem[id].ioctl(file, cmd, arg);
-                return -EINVAL;
-        }
-        return 0;
-}
-
-#if PMEM_DEBUG
-static ssize_t debug_open(struct inode *inode, struct file *file)
-{
-        file->private_data = inode->i_private;
-        return 0;
-}
-
-static ssize_t debug_read(struct file *file, char __user *buf, size_t count,
-                          loff_t *ppos)
-{
-        struct list_head *elt, *elt2;
-        struct pmem_data *data;
-        struct pmem_region_node *region_node;
-        int id = (int)file->private_data;
-        const int debug_bufmax = 4096;
-        static char buffer[4096];
-        int n = 0;
-
-        DLOG("debug open\n");
-        n = scnprintf(buffer, debug_bufmax,
-                      "pid #: mapped regions (offset, len) (offset,len)...\n");
-
-        mutex_lock(&pmem[id].data_list_lock);
-        list_for_each(elt, &pmem[id].data_list) {
-                data = list_entry(elt, struct pmem_data, list);
-                down_read(&data->sem);
-                n += scnprintf(buffer + n, debug_bufmax - n, "pid %u:",
-                                data->pid);
-                list_for_each(elt2, &data->region_list) {
-                        region_node = list_entry(elt2, struct pmem_region_node,
-                                      list);
-                        n += scnprintf(buffer + n, debug_bufmax - n,
-                                        "(%lx,%lx) ",
-                                        region_node->region.offset,
-                                        region_node->region.len);
-                }
-                n += scnprintf(buffer + n, debug_bufmax - n, "\n");
-                up_read(&data->sem);
-        }
-        mutex_unlock(&pmem[id].data_list_lock);
-
-        n++;
-        buffer[n] = 0;
-        return simple_read_from_buffer(buf, count, ppos, buffer, n);
-}
-
-static struct file_operations debug_fops = {
-        .read = debug_read,
-        .open = debug_open,
-};
-#endif
-
-#if 0
-static struct miscdevice pmem_dev = {
-        .name = "pmem",
-        .fops = &pmem_fops,
-};
-#endif
-
-int pmem_setup(struct android_pmem_platform_data *pdata,
-               long (*ioctl)(struct file *, unsigned int, unsigned long),
-               int (*release)(struct inode *, struct file *))
-{
-        int err = 0;
-        int i, index = 0;
-        int id = id_count;
-        id_count++;
-
-        pmem[id].no_allocator = pdata->no_allocator;
-        pmem[id].cached = pdata->cached;
-        pmem[id].buffered = pdata->buffered;
-        pmem[id].base = pdata->start;
-        pmem[id].size = pdata->size;
-        pmem[id].ioctl = ioctl;
-        pmem[id].release = release;
-        init_rwsem(&pmem[id].bitmap_sem);
-        mutex_init(&pmem[id].data_list_lock);
-        INIT_LIST_HEAD(&pmem[id].data_list);
-        pmem[id].dev.name = pdata->name;
-        pmem[id].dev.minor = id;
-        pmem[id].dev.fops = &pmem_fops;
-        printk(KERN_INFO "%s: %d init\n", pdata->name, pdata->cached);
-
-        err = misc_register(&pmem[id].dev);
-        if (err) {
-                printk(KERN_ALERT "Unable to register pmem driver!\n");
-                goto err_cant_register_device;
-        }
-        pmem[id].num_entries = pmem[id].size / PMEM_MIN_ALLOC;
-
-        pmem[id].bitmap = kmalloc(pmem[id].num_entries *
-                                  sizeof(struct pmem_bits), GFP_KERNEL);
-        if (!pmem[id].bitmap)
-                goto err_no_mem_for_metadata;
-
-        memset(pmem[id].bitmap, 0, sizeof(struct pmem_bits) *
-                                          pmem[id].num_entries);
-
-        for (i = sizeof(pmem[id].num_entries) * 8 - 1; i >= 0; i--) {
-                if ((pmem[id].num_entries) &  1<<i) {
-                        PMEM_ORDER(id, index) = i;
-                        index = PMEM_NEXT_INDEX(id, index);
-                }
-        }
-
-        if (pmem[id].cached)
-                pmem[id].vbase = ioremap_cached(pmem[id].base,
-                                                pmem[id].size);
-#ifdef ioremap_ext_buffered
-        else if (pmem[id].buffered)
-                pmem[id].vbase = ioremap_ext_buffered(pmem[id].base,
-                                                      pmem[id].size);
-#endif
-        else
-                pmem[id].vbase = ioremap(pmem[id].base, pmem[id].size);
-
-        if (pmem[id].vbase == 0)
-                goto error_cant_remap;
-
-        pmem[id].garbage_pfn = page_to_pfn(alloc_page(GFP_KERNEL));
-        if (pmem[id].no_allocator)
-                pmem[id].allocated = 0;
-
-#if PMEM_DEBUG
-        debugfs_create_file(pdata->name, S_IFREG | S_IRUGO, NULL, (void *)id,
-                            &debug_fops);
-#endif
-        return 0;
-error_cant_remap:
-        kfree(pmem[id].bitmap);
-err_no_mem_for_metadata:
-        misc_deregister(&pmem[id].dev);
-err_cant_register_device:
-        return -1;
-}
-
-static int pmem_probe(struct platform_device *pdev)
-{
-        struct android_pmem_platform_data *pdata;
-
-        if (!pdev || !pdev->dev.platform_data) {
-                printk(KERN_ALERT "Unable to probe pmem!\n");
-                return -1;
-        }
-        pdata = pdev->dev.platform_data;
-        return pmem_setup(pdata, NULL, NULL);
-}
-
-
-static int pmem_remove(struct platform_device *pdev)
-{
-        int id = pdev->id;
-        __free_page(pfn_to_page(pmem[id].garbage_pfn));
-        misc_deregister(&pmem[id].dev);
-        return 0;
-}
-
-static struct platform_driver pmem_driver = {
-        .probe = pmem_probe,
-        .remove = pmem_remove,
-        .driver = { .name = "android_pmem" }
-};
-
-
-static int __init pmem_init(void)
-{
-        return platform_driver_register(&pmem_driver);
-}
-
-static void __exit pmem_exit(void)
-{
-        platform_driver_unregister(&pmem_driver);
-}
-
-module_init(pmem_init);
-module_exit(pmem_exit);
-
diff --git a/drivers/staging/asus_oled/asus_oled.c b/drivers/staging/asus_oled/asus_oled.c
index e77e4e0396cf..1df9586f2730 100644
--- a/drivers/staging/asus_oled/asus_oled.c
+++ b/drivers/staging/asus_oled/asus_oled.c
@@ -355,7 +355,14 @@ static void send_data(struct asus_oled_dev *odev)
 
 static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
 {
-        while (count-- > 0 && val) {
+        odev->last_val = val;
+
+        if (val == 0) {
+                odev->buf_offs += count;
+                return 0;
+        }
+
+        while (count-- > 0) {
                 size_t x = odev->buf_offs % odev->width;
                 size_t y = odev->buf_offs / odev->width;
                 size_t i;
@@ -406,7 +413,6 @@ static int append_values(struct asus_oled_dev *odev, uint8_t val, size_t count)
                         ;
                 }
 
-                odev->last_val = val;
                 odev->buf_offs++;
         }
 
@@ -805,10 +811,9 @@ error:
 
 static void __exit asus_oled_exit(void)
 {
+        usb_deregister(&oled_driver);
         class_remove_file(oled_class, &class_attr_version.attr);
         class_destroy(oled_class);
-
-        usb_deregister(&oled_driver);
 }
 
 module_init(asus_oled_init);
diff --git a/drivers/staging/gma500/Kconfig b/drivers/staging/gma500/Kconfig
deleted file mode 100644
index c7a2b3bc0a18..000000000000
--- a/drivers/staging/gma500/Kconfig
+++ /dev/null
@@ -1,33 +0,0 @@
-config DRM_PSB
-        tristate "Intel GMA5/600 KMS Framebuffer"
-        depends on DRM && PCI && X86 && BROKEN
-        select FB_CFB_COPYAREA
-        select FB_CFB_FILLRECT
-        select FB_CFB_IMAGEBLIT
-        select DRM_KMS_HELPER
-        select DRM_TTM
-        help
-          Say yes for an experimental 2D KMS framebuffer driver for the
-          Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
-          devices.
-
-config DRM_PSB_MRST
-        bool "Intel GMA600 support (Experimental)"
-        depends on DRM_PSB
-        help
-          Say yes to include support for GMA600 (Intel Moorestown/Oaktrail)
-          platforms with LVDS ports. HDMI and MIPI are not currently
-          supported.
-
-config DRM_PSB_MFLD
-        bool "Intel Medfield support (Experimental)"
-        depends on DRM_PSB
-        help
-          Say yes to include support for Intel Medfield platforms with MIPI
-          interfaces.
-        
-config DRM_PSB_CDV
-        bool "Intel Cedarview support (Experimental)"
-        depends on DRM_PSB
-        help
-          Say yes to include support for Intel Cedarview platforms
diff --git a/drivers/staging/gma500/Makefile b/drivers/staging/gma500/Makefile
deleted file mode 100644
index c729868b1b10..000000000000
--- a/drivers/staging/gma500/Makefile
+++ /dev/null
@@ -1,52 +0,0 @@
-#
-#       KMS driver for the GMA500
-#
-ccflags-y += -Iinclude/drm
-
-psb_gfx-y += gem_glue.o \
-          accel_2d.o \
-          backlight.o \
-          framebuffer.o \
-          gem.o \
-          gtt.o \
-          intel_bios.o \
-          intel_i2c.o \
-          intel_opregion.o \
-          mmu.o \
-          power.o \
-          psb_drv.o \
-          psb_intel_display.o \
-          psb_intel_lvds.o \
-          psb_intel_modes.o \
-          psb_intel_sdvo.o \
-          psb_lid.o \
-          psb_irq.o \
-          psb_device.o \
-          mid_bios.o
-
-psb_gfx-$(CONFIG_DRM_PSB_CDV) +=  cdv_device.o \
-          cdv_intel_crt.o \
-          cdv_intel_display.o \
-          cdv_intel_hdmi.o \
-          cdv_intel_lvds.o
-
-psb_gfx-$(CONFIG_DRM_PSB_MRST) += mrst_device.o \
-          mrst_crtc.o \
-          mrst_lvds.o \
-          mrst_hdmi.o \
-          mrst_hdmi_i2c.o
-
-psb_gfx-$(CONFIG_DRM_PSB_MFLD) += mdfld_device.o \
-          mdfld_output.o \
-          mdfld_pyr_cmd.o \
-          mdfld_tmd_vid.o \
-          mdfld_tpo_cmd.o \
-          mdfld_tpo_vid.o \
-          mdfld_dsi_pkg_sender.o \
-          mdfld_dsi_dpi.o \
-          mdfld_dsi_output.o \
-          mdfld_dsi_dbi.o \
-          mdfld_dsi_dbi_dpu.o \
-          mdfld_intel_display.o
-
-obj-$(CONFIG_DRM_PSB) += psb_gfx.o
diff --git a/drivers/staging/gma500/TODO b/drivers/staging/gma500/TODO
deleted file mode 100644
index fc836158e74c..000000000000
--- a/drivers/staging/gma500/TODO
+++ /dev/null
@@ -1,15 +0,0 @@
--       Sort out the power management side. Not important for Poulsbo but
-        matters for Moorestown/Medfield
--       Debug Oaktrail/Moorestown support (single pipe, no BIOS on mrst,
-                                        some other differences)
--       Add 2D acceleration via console and DRM
--       Add scrolling acceleration using the GTT to do remapping on the main
-        framebuffer.
--       HDMI testing
--       Oaktrail HDMI and other features
--       Oaktrail MIPI
--       Medfield needs a lot of further love
-
-As per kernel policy and the in the interest of the safety of various
-kittens there is no support or plans to add hooks for the closed user space
-stuff.
diff --git a/drivers/staging/gma500/accel_2d.c b/drivers/staging/gma500/accel_2d.c
deleted file mode 100644
index b8f78ebbb145..000000000000
--- a/drivers/staging/gma500/accel_2d.c
+++ /dev/null
@@ -1,414 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- **************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/console.h>
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "framebuffer.h"
-
-/**
- *      psb_spank               -       reset the 2D engine
- *      @dev_priv: our PSB DRM device
- *
- *      Soft reset the graphics engine and then reload the necessary registers.
- *      We use this at initialisation time but it will become relevant for
- *      accelerated X later
- */
-void psb_spank(struct drm_psb_private *dev_priv)
-{
-        PSB_WSGX32(_PSB_CS_RESET_BIF_RESET | _PSB_CS_RESET_DPM_RESET |
-                _PSB_CS_RESET_TA_RESET | _PSB_CS_RESET_USE_RESET |
-                _PSB_CS_RESET_ISP_RESET | _PSB_CS_RESET_TSP_RESET |
-                _PSB_CS_RESET_TWOD_RESET, PSB_CR_SOFT_RESET);
-        PSB_RSGX32(PSB_CR_SOFT_RESET);
-
-        msleep(1);
-
-        PSB_WSGX32(0, PSB_CR_SOFT_RESET);
-        wmb();
-        PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_CB_CTRL_CLEAR_FAULT,
-                   PSB_CR_BIF_CTRL);
-        wmb();
-        (void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-
-        msleep(1);
-        PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) & ~_PSB_CB_CTRL_CLEAR_FAULT,
-                   PSB_CR_BIF_CTRL);
-        (void) PSB_RSGX32(PSB_CR_BIF_CTRL);
-        PSB_WSGX32(dev_priv->gtt.gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
-}
-
-/**
- *      psb2_2d_wait_available  -       wait for FIFO room
- *      @dev_priv: our DRM device
- *      @size: size (in dwords) of the command we want to issue
- *
- *      Wait until there is room to load the FIFO with our data. If the
- *      device is not responding then reset it
- */
-static int psb_2d_wait_available(struct drm_psb_private *dev_priv,
-                          unsigned size)
-{
-        uint32_t avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
-        unsigned long t = jiffies + HZ;
-
-        while (avail < size) {
-                avail = PSB_RSGX32(PSB_CR_2D_SOCIF);
-                if (time_after(jiffies, t)) {
-                        psb_spank(dev_priv);
-                        return -EIO;
-                }
-        }
-        return 0;
-}
-
-/**
- *      psb_2d_submit           -       submit a 2D command
- *      @dev_priv: our DRM device
- *      @cmdbuf: command to issue
- *      @size: length (in dwords)
- *
- *      Issue one or more 2D commands to the accelerator. This needs to be
- *      serialized later when we add the GEM interfaces for acceleration
- */
-static int psbfb_2d_submit(struct drm_psb_private *dev_priv, uint32_t *cmdbuf,
-                                                                unsigned size)
-{
-        int ret = 0;
-        int i;
-        unsigned submit_size;
-        unsigned long flags;
-
-        spin_lock_irqsave(&dev_priv->lock_2d, flags);
-        while (size > 0) {
-                submit_size = (size < 0x60) ? size : 0x60;
-                size -= submit_size;
-                ret = psb_2d_wait_available(dev_priv, submit_size);
-                if (ret)
-                        break;
-
-                submit_size <<= 2;
-
-                for (i = 0; i < submit_size; i += 4)
-                        PSB_WSGX32(*cmdbuf++, PSB_SGX_2D_SLAVE_PORT + i);
-
-                (void)PSB_RSGX32(PSB_SGX_2D_SLAVE_PORT + i - 4);
-        }
-        spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
-        return ret;
-}
-
-
-/**
- *      psb_accel_2d_copy_direction     -       compute blit order
- *      @xdir: X direction of move
- *      @ydir: Y direction of move
- *
- *      Compute the correct order setings to ensure that an overlapping blit
- *      correctly copies all the pixels.
- */
-static u32 psb_accel_2d_copy_direction(int xdir, int ydir)
-{
-        if (xdir < 0)
-                return (ydir < 0) ? PSB_2D_COPYORDER_BR2TL :
-                                                PSB_2D_COPYORDER_TR2BL;
-        else
-                return (ydir < 0) ? PSB_2D_COPYORDER_BL2TR :
-                                                PSB_2D_COPYORDER_TL2BR;
-}
-
-/**
- *      psb_accel_2d_copy               -       accelerated 2D copy
- *      @dev_priv: our DRM device
- *      @src_offset in bytes
- *      @src_stride in bytes
- *      @src_format psb 2D format defines
- *      @dst_offset in bytes
- *      @dst_stride in bytes
- *      @dst_format psb 2D format defines
- *      @src_x offset in pixels
- *      @src_y offset in pixels
- *      @dst_x offset in pixels
- *      @dst_y offset in pixels
- *      @size_x of the copied area
- *      @size_y of the copied area
- *
- *      Format and issue a 2D accelerated copy command.
- */
-static int psb_accel_2d_copy(struct drm_psb_private *dev_priv,
-                             uint32_t src_offset, uint32_t src_stride,
-                             uint32_t src_format, uint32_t dst_offset,
-                             uint32_t dst_stride, uint32_t dst_format,
-                             uint16_t src_x, uint16_t src_y,
-                             uint16_t dst_x, uint16_t dst_y,
-                             uint16_t size_x, uint16_t size_y)
-{
-        uint32_t blit_cmd;
-        uint32_t buffer[10];
-        uint32_t *buf;
-        uint32_t direction;
-
-        buf = buffer;
-
-        direction =
-            psb_accel_2d_copy_direction(src_x - dst_x, src_y - dst_y);
-
-        if (direction == PSB_2D_COPYORDER_BR2TL ||
-            direction == PSB_2D_COPYORDER_TR2BL) {
-                src_x += size_x - 1;
-                dst_x += size_x - 1;
-        }
-        if (direction == PSB_2D_COPYORDER_BR2TL ||
-            direction == PSB_2D_COPYORDER_BL2TR) {
-                src_y += size_y - 1;
-                dst_y += size_y - 1;
-        }
-
-        blit_cmd =
-            PSB_2D_BLIT_BH |
-            PSB_2D_ROT_NONE |
-            PSB_2D_DSTCK_DISABLE |
-            PSB_2D_SRCCK_DISABLE |
-            PSB_2D_USE_PAT | PSB_2D_ROP3_SRCCOPY | direction;
-
-        *buf++ = PSB_2D_FENCE_BH;
-        *buf++ =
-            PSB_2D_DST_SURF_BH | dst_format | (dst_stride <<
-                                               PSB_2D_DST_STRIDE_SHIFT);
-        *buf++ = dst_offset;
-        *buf++ =
-            PSB_2D_SRC_SURF_BH | src_format | (src_stride <<
-                                               PSB_2D_SRC_STRIDE_SHIFT);
-        *buf++ = src_offset;
-        *buf++ =
-            PSB_2D_SRC_OFF_BH | (src_x << PSB_2D_SRCOFF_XSTART_SHIFT) |
-            (src_y << PSB_2D_SRCOFF_YSTART_SHIFT);
-        *buf++ = blit_cmd;
-        *buf++ =
-            (dst_x << PSB_2D_DST_XSTART_SHIFT) | (dst_y <<
-                                                  PSB_2D_DST_YSTART_SHIFT);
-        *buf++ =
-            (size_x << PSB_2D_DST_XSIZE_SHIFT) | (size_y <<
-                                                  PSB_2D_DST_YSIZE_SHIFT);
-        *buf++ = PSB_2D_FLUSH_BH;
-
-        return psbfb_2d_submit(dev_priv, buffer, buf - buffer);
-}
-
-/**
- *      psbfb_copyarea_accel    -       copyarea acceleration for /dev/fb
- *      @info: our framebuffer
- *      @a: copyarea parameters from the framebuffer core
- *
- *      Perform a 2D copy via the accelerator
- */
-static void psbfb_copyarea_accel(struct fb_info *info,
-                                 const struct fb_copyarea *a)
-{
-        struct psb_fbdev *fbdev = info->par;
-        struct psb_framebuffer *psbfb = &fbdev->pfb;
-        struct drm_device *dev = psbfb->base.dev;
-        struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        uint32_t offset;
-        uint32_t stride;
-        uint32_t src_format;
-        uint32_t dst_format;
-
-        if (!fb)
-                return;
-
-        offset = psbfb->gtt->offset;
-        stride = fb->pitches[0];
-
-        switch (fb->depth) {
-        case 8:
-                src_format = PSB_2D_SRC_332RGB;
-                dst_format = PSB_2D_DST_332RGB;
-                break;
-        case 15:
-                src_format = PSB_2D_SRC_555RGB;
-                dst_format = PSB_2D_DST_555RGB;
-                break;
-        case 16:
-                src_format = PSB_2D_SRC_565RGB;
-                dst_format = PSB_2D_DST_565RGB;
-                break;
-        case 24:
-        case 32:
-                /* this is wrong but since we don't do blending its okay */
-                src_format = PSB_2D_SRC_8888ARGB;
-                dst_format = PSB_2D_DST_8888ARGB;
-                break;
-        default:
-                /* software fallback */
-                cfb_copyarea(info, a);
-                return;
-        }
-
-        if (!gma_power_begin(dev, false)) {
-                cfb_copyarea(info, a);
-                return;
-        }
-        psb_accel_2d_copy(dev_priv,
-                          offset, stride, src_format,
-                          offset, stride, dst_format,
-                          a->sx, a->sy, a->dx, a->dy, a->width, a->height);
-        gma_power_end(dev);
-}
-
-/**
- *      psbfb_copyarea  -       2D copy interface
- *      @info: our framebuffer
- *      @region: region to copy
- *
- *      Copy an area of the framebuffer console either by the accelerator
- *      or directly using the cfb helpers according to the request
- */
-void psbfb_copyarea(struct fb_info *info,
-                           const struct fb_copyarea *region)
-{
-        if (unlikely(info->state != FBINFO_STATE_RUNNING))
-                return;
-
-        /* Avoid the 8 pixel erratum */
-        if (region->width == 8 || region->height == 8 ||
-                (info->flags & FBINFO_HWACCEL_DISABLED))
-                return cfb_copyarea(info, region);
-
-        psbfb_copyarea_accel(info, region);
-}
-
-/**
- *      psbfb_sync      -       synchronize 2D
- *      @info: our framebuffer
- *
- *      Wait for the 2D engine to quiesce so that we can do CPU
- *      access to the framebuffer again
- */
-int psbfb_sync(struct fb_info *info)
-{
-        struct psb_fbdev *fbdev = info->par;
-        struct psb_framebuffer *psbfb = &fbdev->pfb;
-        struct drm_device *dev = psbfb->base.dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long _end = jiffies + DRM_HZ;
-        int busy = 0;
-        unsigned long flags;
-
-        spin_lock_irqsave(&dev_priv->lock_2d, flags);
-        /*
-         * First idle the 2D engine.
-         */
-
-        if ((PSB_RSGX32(PSB_CR_2D_SOCIF) == _PSB_C2_SOCIF_EMPTY) &&
-            ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) & _PSB_C2B_STATUS_BUSY) == 0))
-                goto out;
-
-        do {
-                busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
-                cpu_relax();
-        } while (busy && !time_after_eq(jiffies, _end));
-
-        if (busy)
-                busy = (PSB_RSGX32(PSB_CR_2D_SOCIF) != _PSB_C2_SOCIF_EMPTY);
-        if (busy)
-                goto out;
-
-        do {
-                busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
-                                                _PSB_C2B_STATUS_BUSY) != 0);
-                cpu_relax();
-        } while (busy && !time_after_eq(jiffies, _end));
-        if (busy)
-                busy = ((PSB_RSGX32(PSB_CR_2D_BLIT_STATUS) &
-                                        _PSB_C2B_STATUS_BUSY) != 0);
-
-out:
-        spin_unlock_irqrestore(&dev_priv->lock_2d, flags);
-        return (busy) ? -EBUSY : 0;
-}
-
-int psb_accel_ioctl(struct drm_device *dev, void *data, struct drm_file *file)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_psb_2d_op *op = data;
-        u32 *op_ptr = &op->cmd[0];
-        int i;
-        struct drm_gem_object *obj;
-        struct gtt_range *gtt;
-        int err = -EINVAL;
-
-        if (!dev_priv->ops->accel_2d)
-                return -EOPNOTSUPP;
-        if (op->size > PSB_2D_OP_BUFLEN)
-                return -EINVAL;
-
-        /* The GEM object being used. We need to support separate src/dst/etc
-           in the end but for now keep them all the same */
-        obj = drm_gem_object_lookup(dev, file, op->src);
-        if (obj == NULL)
-                return -ENOENT;
-        gtt = container_of(obj, struct gtt_range, gem);
-
-        if (psb_gtt_pin(gtt) < 0)
-                goto bad_2;
-        for (i = 0; i < op->size; i++, op_ptr++) {
-                u32 r = *op_ptr & 0xF0000000;
-                /* Fill in the GTT offsets for the command buffer */
-                if (r == PSB_2D_SRC_SURF_BH ||
-                        r == PSB_2D_DST_SURF_BH ||
-                        r == PSB_2D_MASK_SURF_BH ||
-                        r == PSB_2D_PAT_SURF_BH) {
-                        i++;
-                        op_ptr++;
-                        if (i == op->size)
-                                goto bad;
-                        if (*op_ptr)
-                                goto bad;
-                        *op_ptr = gtt->offset;
-                        continue;
-                }
-        }
-        psbfb_2d_submit(dev_priv, op->cmd, op->size);
-        err = 0;
-bad:
-        psb_gtt_unpin(gtt);
-bad_2:
-        drm_gem_object_unreference(obj);
-        return err;
-}
diff --git a/drivers/staging/gma500/backlight.c b/drivers/staging/gma500/backlight.c
deleted file mode 100644
index 20793951fcac..000000000000
--- a/drivers/staging/gma500/backlight.c
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * GMA500 Backlight Interface
- *
- * Copyright (c) 2009-2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Eric Knopp
- *
- */
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_drv.h"
-#include "intel_bios.h"
-#include "power.h"
-
-int gma_backlight_init(struct drm_device *dev)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        return dev_priv->ops->backlight_init(dev);
-#else
-        return 0;
-#endif
-}
-
-void gma_backlight_exit(struct drm_device *dev)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        if (dev_priv->backlight_device) {
-                dev_priv->backlight_device->props.brightness = 0;
-                backlight_update_status(dev_priv->backlight_device);
-                backlight_device_unregister(dev_priv->backlight_device);
-        }
-#endif
-}
diff --git a/drivers/staging/gma500/cdv_device.c b/drivers/staging/gma500/cdv_device.c
deleted file mode 100644
index 8ec10caab13e..000000000000
--- a/drivers/staging/gma500/cdv_device.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-#include "cdv_device.h"
-
-#define VGA_SR_INDEX            0x3c4
-#define VGA_SR_DATA             0x3c5
-
-static void cdv_disable_vga(struct drm_device *dev)
-{
-        u8 sr1;
-        u32 vga_reg;
-
-        vga_reg = VGACNTRL;
-
-        outb(1, VGA_SR_INDEX);
-        sr1 = inb(VGA_SR_DATA);
-        outb(sr1 | 1<<5, VGA_SR_DATA);
-        udelay(300);
-
-        REG_WRITE(vga_reg, VGA_DISP_DISABLE);
-        REG_READ(vga_reg);
-}
-
-static int cdv_output_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        cdv_disable_vga(dev);
-
-        cdv_intel_crt_init(dev, &dev_priv->mode_dev);
-        cdv_intel_lvds_init(dev, &dev_priv->mode_dev);
-
-        /* These bits indicate HDMI not SDVO on CDV, but we don't yet support
-           the HDMI interface */
-        if (REG_READ(SDVOB) & SDVO_DETECTED)
-                cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOB);
-        if (REG_READ(SDVOC) & SDVO_DETECTED)
-                cdv_hdmi_init(dev, &dev_priv->mode_dev, SDVOC);
-        return 0;
-}
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-/*
- *      Poulsbo Backlight Interfaces
- */
-
-#define BLC_PWM_PRECISION_FACTOR 100    /* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-
-#define PSB_BLC_PWM_PRECISION_FACTOR    10
-#define PSB_BLC_MAX_PWM_REG_FREQ        0xFFFE
-#define PSB_BLC_MIN_PWM_REG_FREQ        0x2
-
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT     (16)
-
-static int cdv_brightness;
-static struct backlight_device *cdv_backlight_device;
-
-static int cdv_get_brightness(struct backlight_device *bd)
-{
-        /* return locally cached var instead of HW read (due to DPST etc.) */
-        /* FIXME: ideally return actual value in case firmware fiddled with
-           it */
-        return cdv_brightness;
-}
-
-
-static int cdv_backlight_setup(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long core_clock;
-        /* u32 bl_max_freq; */
-        /* unsigned long value; */
-        u16 bl_max_freq;
-        uint32_t value;
-        uint32_t blc_pwm_precision_factor;
-
-        /* get bl_max_freq and pol from dev_priv*/
-        if (!dev_priv->lvds_bl) {
-                dev_err(dev->dev, "Has no valid LVDS backlight info\n");
-                return -ENOENT;
-        }
-        bl_max_freq = dev_priv->lvds_bl->freq;
-        blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR;
-
-        core_clock = dev_priv->core_freq;
-
-        value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-        value *= blc_pwm_precision_factor;
-        value /= bl_max_freq;
-        value /= blc_pwm_precision_factor;
-
-        if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ ||
-                 value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ)
-                                return -ERANGE;
-        else {
-                /* FIXME */
-        }
-        return 0;
-}
-
-static int cdv_set_brightness(struct backlight_device *bd)
-{
-        int level = bd->props.brightness;
-
-        /* Percentage 1-100% being valid */
-        if (level < 1)
-                level = 1;
-
-        /*cdv_intel_lvds_set_brightness(dev, level); FIXME */
-        cdv_brightness = level;
-        return 0;
-}
-
-static const struct backlight_ops cdv_ops = {
-        .get_brightness = cdv_get_brightness,
-        .update_status  = cdv_set_brightness,
-};
-
-static int cdv_backlight_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int ret;
-        struct backlight_properties props;
-
-        memset(&props, 0, sizeof(struct backlight_properties));
-        props.max_brightness = 100;
-        props.type = BACKLIGHT_PLATFORM;
-
-        cdv_backlight_device = backlight_device_register("psb-bl",
-                                        NULL, (void *)dev, &cdv_ops, &props);
-        if (IS_ERR(cdv_backlight_device))
-                return PTR_ERR(cdv_backlight_device);
-
-        ret = cdv_backlight_setup(dev);
-        if (ret < 0) {
-                backlight_device_unregister(cdv_backlight_device);
-                cdv_backlight_device = NULL;
-                return ret;
-        }
-        cdv_backlight_device->props.brightness = 100;
-        cdv_backlight_device->props.max_brightness = 100;
-        backlight_update_status(cdv_backlight_device);
-        dev_priv->backlight_device = cdv_backlight_device;
-        return 0;
-}
-
-#endif
-
-/*
- *      Provide the Cedarview specific chip logic and low level methods
- *      for power management
- *
- *      FIXME: we need to implement the apm/ospm base management bits
- *      for this and the MID devices.
- */
-
-static inline u32 CDV_MSG_READ32(uint port, uint offset)
-{
-        int mcr = (0x10<<24) | (port << 16) | (offset << 8);
-        uint32_t ret_val = 0;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        pci_write_config_dword(pci_root, 0xD0, mcr);
-        pci_read_config_dword(pci_root, 0xD4, &ret_val);
-        pci_dev_put(pci_root);
-        return ret_val;
-}
-
-static inline void CDV_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-        int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        pci_write_config_dword(pci_root, 0xD4, value);
-        pci_write_config_dword(pci_root, 0xD0, mcr);
-        pci_dev_put(pci_root);
-}
-
-#define PSB_APM_CMD                     0x0
-#define PSB_APM_STS                     0x04
-#define PSB_PM_SSC                      0x20
-#define PSB_PM_SSS                      0x30
-#define PSB_PWRGT_GFX_MASK              0x3
-#define CDV_PWRGT_DISPLAY_CNTR          0x000fc00c
-#define CDV_PWRGT_DISPLAY_STS           0x000fc00c
-
-static void cdv_init_pm(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 pwr_cnt;
-        int i;
-
-        dev_priv->apm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
-                                                        PSB_APMBA) & 0xFFFF;
-        dev_priv->ospm_base = CDV_MSG_READ32(PSB_PUNIT_PORT,
-                                                        PSB_OSPMBA) & 0xFFFF;
-
-        /* Force power on for now */
-        pwr_cnt = inl(dev_priv->apm_base + PSB_APM_CMD);
-        pwr_cnt &= ~PSB_PWRGT_GFX_MASK;
-
-        outl(pwr_cnt, dev_priv->apm_base + PSB_APM_CMD);
-        for (i = 0; i < 5; i++) {
-                u32 pwr_sts = inl(dev_priv->apm_base + PSB_APM_STS);
-                if ((pwr_sts & PSB_PWRGT_GFX_MASK) == 0)
-                        break;
-                udelay(10);
-        }
-        pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
-        pwr_cnt &= ~CDV_PWRGT_DISPLAY_CNTR;
-        outl(pwr_cnt, dev_priv->ospm_base + PSB_PM_SSC);
-        for (i = 0; i < 5; i++) {
-                u32 pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-                if ((pwr_sts & CDV_PWRGT_DISPLAY_STS) == 0)
-                        break;
-                udelay(10);
-        }
-}
-
-/**
- *      cdv_save_display_registers      -       save registers lost on suspend
- *      @dev: our DRM device
- *
- *      Save the state we need in order to be able to restore the interface
- *      upon resume from suspend
- *
- *      FIXME: review
- */
-static int cdv_save_display_registers(struct drm_device *dev)
-{
-        return 0;
-}
-
-/**
- *      cdv_restore_display_registers   -       restore lost register state
- *      @dev: our DRM device
- *
- *      Restore register state that was lost during suspend and resume.
- *
- *      FIXME: review
- */
-static int cdv_restore_display_registers(struct drm_device *dev)
-{
-        return 0;
-}
-
-static int cdv_power_down(struct drm_device *dev)
-{
-        return 0;
-}
-
-static int cdv_power_up(struct drm_device *dev)
-{
-        return 0;
-}
-
-/* FIXME ? - shared with Poulsbo */
-static void cdv_get_core_freq(struct drm_device *dev)
-{
-        uint32_t clock;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
-        pci_read_config_dword(pci_root, 0xD4, &clock);
-        pci_dev_put(pci_root);
-
-        switch (clock & 0x07) {
-        case 0:
-                dev_priv->core_freq = 100;
-                break;
-        case 1:
-                dev_priv->core_freq = 133;
-                break;
-        case 2:
-                dev_priv->core_freq = 150;
-                break;
-        case 3:
-                dev_priv->core_freq = 178;
-                break;
-        case 4:
-                dev_priv->core_freq = 200;
-                break;
-        case 5:
-        case 6:
-        case 7:
-                dev_priv->core_freq = 266;
-        default:
-                dev_priv->core_freq = 0;
-        }
-}
-
-static int cdv_chip_setup(struct drm_device *dev)
-{
-        cdv_get_core_freq(dev);
-        gma_intel_opregion_init(dev);
-        psb_intel_init_bios(dev);
-        return 0;
-}
-
-/* CDV is much like Poulsbo but has MID like SGX offsets and PM */
-
-const struct psb_ops cdv_chip_ops = {
-        .name = "Cedartrail",
-        .accel_2d = 0,
-        .pipes = 2,
-        .sgx_offset = MRST_SGX_OFFSET,
-        .chip_setup = cdv_chip_setup,
-
-        .crtc_helper = &cdv_intel_helper_funcs,
-        .crtc_funcs = &cdv_intel_crtc_funcs,
-
-        .output_init = cdv_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        .backlight_init = cdv_backlight_init,
-#endif
-
-        .init_pm = cdv_init_pm,
-        .save_regs = cdv_save_display_registers,
-        .restore_regs = cdv_restore_display_registers,
-        .power_down = cdv_power_down,
-        .power_up = cdv_power_up,
-};
diff --git a/drivers/staging/gma500/cdv_device.h b/drivers/staging/gma500/cdv_device.h
deleted file mode 100644
index 2a88b7beb551..000000000000
--- a/drivers/staging/gma500/cdv_device.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright © 2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-extern const struct drm_crtc_helper_funcs cdv_intel_helper_funcs;
-extern const struct drm_crtc_funcs cdv_intel_crtc_funcs;
-extern void cdv_intel_crt_init(struct drm_device *dev,
-                        struct psb_intel_mode_device *mode_dev);
-extern void cdv_intel_lvds_init(struct drm_device *dev,
-                        struct psb_intel_mode_device *mode_dev);
-extern void cdv_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev,
-                        int reg);
-extern struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
-                                             struct drm_crtc *crtc);
-
-extern inline void cdv_intel_wait_for_vblank(struct drm_device *dev)
-{
-        /* Wait for 20ms, i.e. one cycle at 50hz. */
-        /* FIXME: msleep ?? */
-        mdelay(20);
-}
-
-
diff --git a/drivers/staging/gma500/cdv_intel_crt.c b/drivers/staging/gma500/cdv_intel_crt.c
deleted file mode 100644
index efda63b97b45..000000000000
--- a/drivers/staging/gma500/cdv_intel_crt.c
+++ /dev/null
@@ -1,326 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-
-static void cdv_intel_crt_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct drm_device *dev = encoder->dev;
-        u32 temp, reg;
-        reg = ADPA;
-
-        temp = REG_READ(reg);
-        temp &= ~(ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE);
-        temp &= ~ADPA_DAC_ENABLE;
-
-        switch (mode) {
-        case DRM_MODE_DPMS_ON:
-                temp |= ADPA_DAC_ENABLE;
-                break;
-        case DRM_MODE_DPMS_STANDBY:
-                temp |= ADPA_DAC_ENABLE | ADPA_HSYNC_CNTL_DISABLE;
-                break;
-        case DRM_MODE_DPMS_SUSPEND:
-                temp |= ADPA_DAC_ENABLE | ADPA_VSYNC_CNTL_DISABLE;
-                break;
-        case DRM_MODE_DPMS_OFF:
-                temp |= ADPA_HSYNC_CNTL_DISABLE | ADPA_VSYNC_CNTL_DISABLE;
-                break;
-        }
-
-        REG_WRITE(reg, temp);
-}
-
-static int cdv_intel_crt_mode_valid(struct drm_connector *connector,
-                                struct drm_display_mode *mode)
-{
-        int max_clock = 0;
-        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-                return MODE_NO_DBLESCAN;
-
-        /* The lowest clock for CDV is 20000KHz */
-        if (mode->clock < 20000)
-                return MODE_CLOCK_LOW;
-
-        /* The max clock for CDV is 355 instead of 400 */
-        max_clock = 355000;
-        if (mode->clock > max_clock)
-                return MODE_CLOCK_HIGH;
-
-        if (mode->hdisplay > 1680 || mode->vdisplay > 1050)
-                return MODE_PANEL;
-
-        return MODE_OK;
-}
-
-static bool cdv_intel_crt_mode_fixup(struct drm_encoder *encoder,
-                                 struct drm_display_mode *mode,
-                                 struct drm_display_mode *adjusted_mode)
-{
-        return true;
-}
-
-static void cdv_intel_crt_mode_set(struct drm_encoder *encoder,
-                               struct drm_display_mode *mode,
-                               struct drm_display_mode *adjusted_mode)
-{
-
-        struct drm_device *dev = encoder->dev;
-        struct drm_crtc *crtc = encoder->crtc;
-        struct psb_intel_crtc *psb_intel_crtc =
-                                        to_psb_intel_crtc(crtc);
-        int dpll_md_reg;
-        u32 adpa, dpll_md;
-        u32 adpa_reg;
-
-        if (psb_intel_crtc->pipe == 0)
-                dpll_md_reg = DPLL_A_MD;
-        else
-                dpll_md_reg = DPLL_B_MD;
-
-        adpa_reg = ADPA;
-
-        /*
-         * Disable separate mode multiplier used when cloning SDVO to CRT
-         * XXX this needs to be adjusted when we really are cloning
-         */
-        {
-                dpll_md = REG_READ(dpll_md_reg);
-                REG_WRITE(dpll_md_reg,
-                           dpll_md & ~DPLL_MD_UDI_MULTIPLIER_MASK);
-        }
-
-        adpa = 0;
-        if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-                adpa |= ADPA_HSYNC_ACTIVE_HIGH;
-        if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-                adpa |= ADPA_VSYNC_ACTIVE_HIGH;
-
-        if (psb_intel_crtc->pipe == 0)
-                adpa |= ADPA_PIPE_A_SELECT;
-        else
-                adpa |= ADPA_PIPE_B_SELECT;
-
-        REG_WRITE(adpa_reg, adpa);
-}
-
-
-/**
- * Uses CRT_HOTPLUG_EN and CRT_HOTPLUG_STAT to detect CRT presence.
- *
- * \return true if CRT is connected.
- * \return false if CRT is disconnected.
- */
-static bool cdv_intel_crt_detect_hotplug(struct drm_connector *connector,
-                                                                bool force)
-{
-        struct drm_device *dev = connector->dev;
-        u32 hotplug_en;
-        int i, tries = 0, ret = false;
-        u32 adpa_orig;
-
-        /* disable the DAC when doing the hotplug detection */
-
-        adpa_orig = REG_READ(ADPA);
-
-        REG_WRITE(ADPA, adpa_orig & ~(ADPA_DAC_ENABLE));
-
-        /*
-         * On a CDV thep, CRT detect sequence need to be done twice
-         * to get a reliable result.
-         */
-        tries = 2;
-
-        hotplug_en = REG_READ(PORT_HOTPLUG_EN);
-        hotplug_en &= ~(CRT_HOTPLUG_DETECT_MASK);
-        hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
-
-        hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
-        hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
-
-        for (i = 0; i < tries ; i++) {
-                unsigned long timeout;
-                /* turn on the FORCE_DETECT */
-                REG_WRITE(PORT_HOTPLUG_EN, hotplug_en);
-                timeout = jiffies + msecs_to_jiffies(1000);
-                /* wait for FORCE_DETECT to go off */
-                do {
-                        if (!(REG_READ(PORT_HOTPLUG_EN) &
-                                        CRT_HOTPLUG_FORCE_DETECT))
-                                break;
-                        msleep(1);
-                } while (time_after(timeout, jiffies));
-        }
-
-        if ((REG_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) !=
-            CRT_HOTPLUG_MONITOR_NONE)
-                ret = true;
-
-        /* Restore the saved ADPA */
-        REG_WRITE(ADPA, adpa_orig);
-        return ret;
-}
-
-static enum drm_connector_status cdv_intel_crt_detect(
-                                struct drm_connector *connector, bool force)
-{
-        if (cdv_intel_crt_detect_hotplug(connector, force))
-                return connector_status_connected;
-        else
-                return connector_status_disconnected;
-}
-
-static void cdv_intel_crt_destroy(struct drm_connector *connector)
-{
-        struct psb_intel_output *intel_output = to_psb_intel_output(connector);
-
-        psb_intel_i2c_destroy(intel_output->ddc_bus);
-        drm_sysfs_connector_remove(connector);
-        drm_connector_cleanup(connector);
-        kfree(connector);
-}
-
-static int cdv_intel_crt_get_modes(struct drm_connector *connector)
-{
-        struct psb_intel_output *intel_output =
-                                to_psb_intel_output(connector);
-        return psb_intel_ddc_get_modes(intel_output);
-}
-
-static int cdv_intel_crt_set_property(struct drm_connector *connector,
-                                  struct drm_property *property,
-                                  uint64_t value)
-{
-        return 0;
-}
-
-/*
- * Routines for controlling stuff on the analog port
- */
-
-static const struct drm_encoder_helper_funcs cdv_intel_crt_helper_funcs = {
-        .dpms = cdv_intel_crt_dpms,
-        .mode_fixup = cdv_intel_crt_mode_fixup,
-        .prepare = psb_intel_encoder_prepare,
-        .commit = psb_intel_encoder_commit,
-        .mode_set = cdv_intel_crt_mode_set,
-};
-
-static const struct drm_connector_funcs cdv_intel_crt_connector_funcs = {
-        .dpms = drm_helper_connector_dpms,
-        .detect = cdv_intel_crt_detect,
-        .fill_modes = drm_helper_probe_single_connector_modes,
-        .destroy = cdv_intel_crt_destroy,
-        .set_property = cdv_intel_crt_set_property,
-};
-
-static const struct drm_connector_helper_funcs
-                                cdv_intel_crt_connector_helper_funcs = {
-        .mode_valid = cdv_intel_crt_mode_valid,
-        .get_modes = cdv_intel_crt_get_modes,
-        .best_encoder = psb_intel_best_encoder,
-};
-
-static void cdv_intel_crt_enc_destroy(struct drm_encoder *encoder)
-{
-        drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs cdv_intel_crt_enc_funcs = {
-        .destroy = cdv_intel_crt_enc_destroy,
-};
-
-void cdv_intel_crt_init(struct drm_device *dev,
-                        struct psb_intel_mode_device *mode_dev)
-{
-
-        struct psb_intel_output *psb_intel_output;
-        struct drm_connector *connector;
-        struct drm_encoder *encoder;
-
-        u32 i2c_reg;
-
-        psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-        if (!psb_intel_output)
-                return;
-
-        psb_intel_output->mode_dev = mode_dev;
-        connector = &psb_intel_output->base;
-        drm_connector_init(dev, connector,
-                &cdv_intel_crt_connector_funcs, DRM_MODE_CONNECTOR_VGA);
-
-        encoder = &psb_intel_output->enc;
-        drm_encoder_init(dev, encoder,
-                &cdv_intel_crt_enc_funcs, DRM_MODE_ENCODER_DAC);
-
-        drm_mode_connector_attach_encoder(&psb_intel_output->base,
-                                          &psb_intel_output->enc);
-
-        /* Set up the DDC bus. */
-        i2c_reg = GPIOA;
-        /* Remove the following code for CDV */
-        /*
-        if (dev_priv->crt_ddc_bus != 0)
-                i2c_reg = dev_priv->crt_ddc_bus;
-        }*/
-        psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-                                                i2c_reg, "CRTDDC_A");
-        if (!psb_intel_output->ddc_bus) {
-                dev_printk(KERN_ERR, &dev->pdev->dev, "DDC bus registration "
-                           "failed.\n");
-                goto failed_ddc;
-        }
-
-        psb_intel_output->type = INTEL_OUTPUT_ANALOG;
-        /*
-        psb_intel_output->clone_mask = (1 << INTEL_ANALOG_CLONE_BIT);
-        psb_intel_output->crtc_mask = (1 << 0) | (1 << 1);
-        */
-        connector->interlace_allowed = 0;
-        connector->doublescan_allowed = 0;
-
-        drm_encoder_helper_add(encoder, &cdv_intel_crt_helper_funcs);
-        drm_connector_helper_add(connector,
-                                        &cdv_intel_crt_connector_helper_funcs);
-
-        drm_sysfs_connector_add(connector);
-
-        return;
-failed_ddc:
-        drm_encoder_cleanup(&psb_intel_output->enc);
-        drm_connector_cleanup(&psb_intel_output->base);
-        kfree(psb_intel_output);
-        return;
-}
diff --git a/drivers/staging/gma500/cdv_intel_display.c b/drivers/staging/gma500/cdv_intel_display.c
deleted file mode 100644
index c63a32776a9e..000000000000
--- a/drivers/staging/gma500/cdv_intel_display.c
+++ /dev/null
@@ -1,1508 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-#include "cdv_device.h"
-
-
-struct cdv_intel_range_t {
-        int min, max;
-};
-
-struct cdv_intel_p2_t {
-        int dot_limit;
-        int p2_slow, p2_fast;
-};
-
-struct cdv_intel_clock_t {
-        /* given values */
-        int n;
-        int m1, m2;
-        int p1, p2;
-        /* derived values */
-        int dot;
-        int vco;
-        int m;
-        int p;
-};
-
-#define INTEL_P2_NUM                  2
-
-struct cdv_intel_limit_t {
-        struct cdv_intel_range_t dot, vco, n, m, m1, m2, p, p1;
-        struct cdv_intel_p2_t p2;
-};
-
-#define CDV_LIMIT_SINGLE_LVDS_96        0
-#define CDV_LIMIT_SINGLE_LVDS_100       1
-#define CDV_LIMIT_DAC_HDMI_27           2
-#define CDV_LIMIT_DAC_HDMI_96           3
-
-static const struct cdv_intel_limit_t cdv_intel_limits[] = {
-        {                       /* CDV_SIGNLE_LVDS_96MHz */
-         .dot = {.min = 20000, .max = 115500},
-         .vco = {.min = 1800000, .max = 3600000},
-         .n = {.min = 2, .max = 6},
-         .m = {.min = 60, .max = 160},
-         .m1 = {.min = 0, .max = 0},
-         .m2 = {.min = 58, .max = 158},
-         .p = {.min = 28, .max = 140},
-         .p1 = {.min = 2, .max = 10},
-         .p2 = {.dot_limit = 200000,
-                .p2_slow = 14, .p2_fast = 14},
-         },
-        {                       /* CDV_SINGLE_LVDS_100MHz */
-         .dot = {.min = 20000, .max = 115500},
-         .vco = {.min = 1800000, .max = 3600000},
-         .n = {.min = 2, .max = 6},
-         .m = {.min = 60, .max = 160},
-         .m1 = {.min = 0, .max = 0},
-         .m2 = {.min = 58, .max = 158},
-         .p = {.min = 28, .max = 140},
-         .p1 = {.min = 2, .max = 10},
-         /* The single-channel range is 25-112Mhz, and dual-channel
-          * is 80-224Mhz.  Prefer single channel as much as possible.
-          */
-         .p2 = {.dot_limit = 200000, .p2_slow = 14, .p2_fast = 14},
-         },
-        {                       /* CDV_DAC_HDMI_27MHz */
-         .dot = {.min = 20000, .max = 400000},
-         .vco = {.min = 1809000, .max = 3564000},
-         .n = {.min = 1, .max = 1},
-         .m = {.min = 67, .max = 132},
-         .m1 = {.min = 0, .max = 0},
-         .m2 = {.min = 65, .max = 130},
-         .p = {.min = 5, .max = 90},
-         .p1 = {.min = 1, .max = 9},
-         .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
-         },
-        {                       /* CDV_DAC_HDMI_96MHz */
-         .dot = {.min = 20000, .max = 400000},
-         .vco = {.min = 1800000, .max = 3600000},
-         .n = {.min = 2, .max = 6},
-         .m = {.min = 60, .max = 160},
-         .m1 = {.min = 0, .max = 0},
-         .m2 = {.min = 58, .max = 158},
-         .p = {.min = 5, .max = 100},
-         .p1 = {.min = 1, .max = 10},
-         .p2 = {.dot_limit = 225000, .p2_slow = 10, .p2_fast = 5},
-         },
-};
-
-#define _wait_for(COND, MS, W) ({ \
-        unsigned long timeout__ = jiffies + msecs_to_jiffies(MS);       \
-        int ret__ = 0;                                                  \
-        while (!(COND)) {                                               \
-                if (time_after(jiffies, timeout__)) {                   \
-                        ret__ = -ETIMEDOUT;                             \
-                        break;                                          \
-                }                                                       \
-                if (W && !in_dbg_master())                              \
-                        msleep(W);                                      \
-        }                                                               \
-        ret__;                                                          \
-})
-
-#define wait_for(COND, MS) _wait_for(COND, MS, 1)
-
-
-static int cdv_sb_read(struct drm_device *dev, u32 reg, u32 *val)
-{
-        int ret;
-
-        ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-        if (ret) {
-                DRM_ERROR("timeout waiting for SB to idle before read\n");
-                return ret;
-        }
-
-        REG_WRITE(SB_ADDR, reg);
-        REG_WRITE(SB_PCKT,
-                   SET_FIELD(SB_OPCODE_READ, SB_OPCODE) |
-                   SET_FIELD(SB_DEST_DPLL, SB_DEST) |
-                   SET_FIELD(0xf, SB_BYTE_ENABLE));
-
-        ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-        if (ret) {
-                DRM_ERROR("timeout waiting for SB to idle after read\n");
-                return ret;
-        }
-
-        *val = REG_READ(SB_DATA);
-
-        return 0;
-}
-
-static int cdv_sb_write(struct drm_device *dev, u32 reg, u32 val)
-{
-        int ret;
-        static bool dpio_debug = true;
-        u32 temp;
-
-        if (dpio_debug) {
-                if (cdv_sb_read(dev, reg, &temp) == 0)
-                        DRM_DEBUG_KMS("0x%08x: 0x%08x (before)\n", reg, temp);
-                DRM_DEBUG_KMS("0x%08x: 0x%08x\n", reg, val);
-        }
-
-        ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-        if (ret) {
-                DRM_ERROR("timeout waiting for SB to idle before write\n");
-                return ret;
-        }
-
-        REG_WRITE(SB_ADDR, reg);
-        REG_WRITE(SB_DATA, val);
-        REG_WRITE(SB_PCKT,
-                   SET_FIELD(SB_OPCODE_WRITE, SB_OPCODE) |
-                   SET_FIELD(SB_DEST_DPLL, SB_DEST) |
-                   SET_FIELD(0xf, SB_BYTE_ENABLE));
-
-        ret = wait_for((REG_READ(SB_PCKT) & SB_BUSY) == 0, 1000);
-        if (ret) {
-                DRM_ERROR("timeout waiting for SB to idle after write\n");
-                return ret;
-        }
-
-        if (dpio_debug) {
-                if (cdv_sb_read(dev, reg, &temp) == 0)
-                        DRM_DEBUG_KMS("0x%08x: 0x%08x (after)\n", reg, temp);
-        }
-
-        return 0;
-}
-
-/* Reset the DPIO configuration register.  The BIOS does this at every
- * mode set.
- */
-static void cdv_sb_reset(struct drm_device *dev)
-{
-
-        REG_WRITE(DPIO_CFG, 0);
-        REG_READ(DPIO_CFG);
-        REG_WRITE(DPIO_CFG, DPIO_MODE_SELECT_0 | DPIO_CMN_RESET_N);
-}
-
-/* Unlike most Intel display engines, on Cedarview the DPLL registers
- * are behind this sideband bus.  They must be programmed while the
- * DPLL reference clock is on in the DPLL control register, but before
- * the DPLL is enabled in the DPLL control register.
- */
-static int
-cdv_dpll_set_clock_cdv(struct drm_device *dev, struct drm_crtc *crtc,
-                               struct cdv_intel_clock_t *clock)
-{
-        struct psb_intel_crtc *psb_crtc =
-                                to_psb_intel_crtc(crtc);
-        int pipe = psb_crtc->pipe;
-        u32 m, n_vco, p;
-        int ret = 0;
-        int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-        u32 ref_value;
-
-        cdv_sb_reset(dev);
-
-        if ((REG_READ(dpll_reg) & DPLL_SYNCLOCK_ENABLE) == 0) {
-                DRM_ERROR("Attempting to set DPLL with refclk disabled\n");
-                return -EBUSY;
-        }
-
-        /* Follow the BIOS and write the REF/SFR Register. Hardcoded value */
-        ref_value = 0x68A701;
-
-        cdv_sb_write(dev, SB_REF_SFR(pipe), ref_value);
-
-        /* We don't know what the other fields of these regs are, so
-         * leave them in place.
-         */
-        ret = cdv_sb_read(dev, SB_M(pipe), &m);
-        if (ret)
-                return ret;
-        m &= ~SB_M_DIVIDER_MASK;
-        m |= ((clock->m2) << SB_M_DIVIDER_SHIFT);
-        ret = cdv_sb_write(dev, SB_M(pipe), m);
-        if (ret)
-                return ret;
-
-        ret = cdv_sb_read(dev, SB_N_VCO(pipe), &n_vco);
-        if (ret)
-                return ret;
-
-        /* Follow the BIOS to program the N_DIVIDER REG */
-        n_vco &= 0xFFFF;
-        n_vco |= 0x107;
-        n_vco &= ~(SB_N_VCO_SEL_MASK |
-                   SB_N_DIVIDER_MASK |
-                   SB_N_CB_TUNE_MASK);
-
-        n_vco |= ((clock->n) << SB_N_DIVIDER_SHIFT);
-
-        if (clock->vco < 2250000) {
-                n_vco |= (2 << SB_N_CB_TUNE_SHIFT);
-                n_vco |= (0 << SB_N_VCO_SEL_SHIFT);
-        } else if (clock->vco < 2750000) {
-                n_vco |= (1 << SB_N_CB_TUNE_SHIFT);
-                n_vco |= (1 << SB_N_VCO_SEL_SHIFT);
-        } else if (clock->vco < 3300000) {
-                n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
-                n_vco |= (2 << SB_N_VCO_SEL_SHIFT);
-        } else {
-                n_vco |= (0 << SB_N_CB_TUNE_SHIFT);
-                n_vco |= (3 << SB_N_VCO_SEL_SHIFT);
-        }
-
-        ret = cdv_sb_write(dev, SB_N_VCO(pipe), n_vco);
-        if (ret)
-                return ret;
-
-        ret = cdv_sb_read(dev, SB_P(pipe), &p);
-        if (ret)
-                return ret;
-        p &= ~(SB_P2_DIVIDER_MASK | SB_P1_DIVIDER_MASK);
-        p |= SET_FIELD(clock->p1, SB_P1_DIVIDER);
-        switch (clock->p2) {
-        case 5:
-                p |= SET_FIELD(SB_P2_5, SB_P2_DIVIDER);
-                break;
-        case 10:
-                p |= SET_FIELD(SB_P2_10, SB_P2_DIVIDER);
-                break;
-        case 14:
-                p |= SET_FIELD(SB_P2_14, SB_P2_DIVIDER);
-                break;
-        case 7:
-                p |= SET_FIELD(SB_P2_7, SB_P2_DIVIDER);
-                break;
-        default:
-                DRM_ERROR("Bad P2 clock: %d\n", clock->p2);
-                return -EINVAL;
-        }
-        ret = cdv_sb_write(dev, SB_P(pipe), p);
-        if (ret)
-                return ret;
-
-        /* always Program the Lane Register for the Pipe A*/
-        if (pipe == 0) {
-                /* Program the Lane0/1 for HDMI B */
-                u32 lane_reg, lane_value;
-
-                lane_reg = PSB_LANE0;
-                cdv_sb_read(dev, lane_reg, &lane_value);
-                lane_value &= ~(LANE_PLL_MASK);
-                lane_value |= LANE_PLL_ENABLE;
-                cdv_sb_write(dev, lane_reg, lane_value);
-
-                lane_reg = PSB_LANE1;
-                cdv_sb_read(dev, lane_reg, &lane_value);
-                lane_value &= ~(LANE_PLL_MASK);
-                lane_value |= LANE_PLL_ENABLE;
-                cdv_sb_write(dev, lane_reg, lane_value);
-
-                /* Program the Lane2/3 for HDMI C */
-                lane_reg = PSB_LANE2;
-                cdv_sb_read(dev, lane_reg, &lane_value);
-                lane_value &= ~(LANE_PLL_MASK);
-                lane_value |= LANE_PLL_ENABLE;
-                cdv_sb_write(dev, lane_reg, lane_value);
-
-                lane_reg = PSB_LANE3;
-                cdv_sb_read(dev, lane_reg, &lane_value);
-                lane_value &= ~(LANE_PLL_MASK);
-                lane_value |= LANE_PLL_ENABLE;
-                cdv_sb_write(dev, lane_reg, lane_value);
-        }
-
-        return 0;
-}
-
-/*
- * Returns whether any output on the specified pipe is of the specified type
- */
-bool cdv_intel_pipe_has_type(struct drm_crtc *crtc, int type)
-{
-        struct drm_device *dev = crtc->dev;
-        struct drm_mode_config *mode_config = &dev->mode_config;
-        struct drm_connector *l_entry;
-
-        list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-                if (l_entry->encoder && l_entry->encoder->crtc == crtc) {
-                        struct psb_intel_output *psb_intel_output =
-                            to_psb_intel_output(l_entry);
-                        if (psb_intel_output->type == type)
-                                return true;
-                }
-        }
-        return false;
-}
-
-static const struct cdv_intel_limit_t *cdv_intel_limit(struct drm_crtc *crtc,
-                                                        int refclk)
-{
-        const struct cdv_intel_limit_t *limit;
-        if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
-                /*
-                 * Now only single-channel LVDS is supported on CDV. If it is
-                 * incorrect, please add the dual-channel LVDS.
-                 */
-                if (refclk == 96000)
-                        limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_96];
-                else
-                        limit = &cdv_intel_limits[CDV_LIMIT_SINGLE_LVDS_100];
-        } else {
-                if (refclk == 27000)
-                        limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_27];
-                else
-                        limit = &cdv_intel_limits[CDV_LIMIT_DAC_HDMI_96];
-        }
-        return limit;
-}
-
-/* m1 is reserved as 0 in CDV, n is a ring counter */
-static void cdv_intel_clock(struct drm_device *dev,
-                        int refclk, struct cdv_intel_clock_t *clock)
-{
-        clock->m = clock->m2 + 2;
-        clock->p = clock->p1 * clock->p2;
-        clock->vco = (refclk * clock->m) / clock->n;
-        clock->dot = clock->vco / clock->p;
-}
-
-
-#define INTELPllInvalid(s)   { /* ErrorF (s) */; return false; }
-static bool cdv_intel_PLL_is_valid(struct drm_crtc *crtc,
-                                const struct cdv_intel_limit_t *limit,
-                               struct cdv_intel_clock_t *clock)
-{
-        if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
-                INTELPllInvalid("p1 out of range\n");
-        if (clock->p < limit->p.min || limit->p.max < clock->p)
-                INTELPllInvalid("p out of range\n");
-        /* unnecessary to check the range of m(m1/M2)/n again */
-        if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-                INTELPllInvalid("vco out of range\n");
-        /* XXX: We may need to be checking "Dot clock"
-         * depending on the multiplier, connector, etc.,
-         * rather than just a single range.
-         */
-        if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-                INTELPllInvalid("dot out of range\n");
-
-        return true;
-}
-
-static bool cdv_intel_find_best_PLL(struct drm_crtc *crtc, int target,
-                                int refclk,
-                                struct cdv_intel_clock_t *best_clock)
-{
-        struct drm_device *dev = crtc->dev;
-        struct cdv_intel_clock_t clock;
-        const struct cdv_intel_limit_t *limit = cdv_intel_limit(crtc, refclk);
-        int err = target;
-
-
-        if (cdv_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-            (REG_READ(LVDS) & LVDS_PORT_EN) != 0) {
-                /*
-                 * For LVDS, if the panel is on, just rely on its current
-                 * settings for dual-channel.  We haven't figured out how to
-                 * reliably set up different single/dual channel state, if we
-                 * even can.
-                 */
-                if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
-                    LVDS_CLKB_POWER_UP)
-                        clock.p2 = limit->p2.p2_fast;
-                else
-                        clock.p2 = limit->p2.p2_slow;
-        } else {
-                if (target < limit->p2.dot_limit)
-                        clock.p2 = limit->p2.p2_slow;
-                else
-                        clock.p2 = limit->p2.p2_fast;
-        }
-
-        memset(best_clock, 0, sizeof(*best_clock));
-        clock.m1 = 0;
-        /* m1 is reserved as 0 in CDV, n is a ring counter.
-           So skip the m1 loop */
-        for (clock.n = limit->n.min; clock.n <= limit->n.max; clock.n++) {
-                for (clock.m2 = limit->m2.min; clock.m2 <= limit->m2.max;
-                                             clock.m2++) {
-                        for (clock.p1 = limit->p1.min;
-                                        clock.p1 <= limit->p1.max;
-                                        clock.p1++) {
-                                int this_err;
-
-                                cdv_intel_clock(dev, refclk, &clock);
-
-                                if (!cdv_intel_PLL_is_valid(crtc,
-                                                                limit, &clock))
-                                                continue;
-
-                                this_err = abs(clock.dot - target);
-                                if (this_err < err) {
-                                        *best_clock = clock;
-                                        err = this_err;
-                                }
-                        }
-                }
-        }
-
-        return err != target;
-}
-
-int cdv_intel_pipe_set_base(struct drm_crtc *crtc,
-                            int x, int y, struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-        int pipe = psb_intel_crtc->pipe;
-        unsigned long start, offset;
-        int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE);
-        int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-        int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        u32 dspcntr;
-        int ret = 0;
-
-        if (!gma_power_begin(dev, true))
-                return 0;
-
-        /* no fb bound */
-        if (!crtc->fb) {
-                dev_err(dev->dev, "No FB bound\n");
-                goto psb_intel_pipe_cleaner;
-        }
-
-
-        /* We are displaying this buffer, make sure it is actually loaded
-           into the GTT */
-        ret = psb_gtt_pin(psbfb->gtt);
-        if (ret < 0)
-                goto psb_intel_pipe_set_base_exit;
-        start = psbfb->gtt->offset;
-        offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-        REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-        dspcntr = REG_READ(dspcntr_reg);
-        dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-        switch (crtc->fb->bits_per_pixel) {
-        case 8:
-                dspcntr |= DISPPLANE_8BPP;
-                break;
-        case 16:
-                if (crtc->fb->depth == 15)
-                        dspcntr |= DISPPLANE_15_16BPP;
-                else
-                        dspcntr |= DISPPLANE_16BPP;
-                break;
-        case 24:
-        case 32:
-                dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-                break;
-        default:
-                dev_err(dev->dev, "Unknown color depth\n");
-                ret = -EINVAL;
-                goto psb_intel_pipe_set_base_exit;
-        }
-        REG_WRITE(dspcntr_reg, dspcntr);
-
-        dev_dbg(dev->dev,
-                "Writing base %08lX %08lX %d %d\n", start, offset, x, y);
-
-        REG_WRITE(dspbase, offset);
-        REG_READ(dspbase);
-        REG_WRITE(dspsurf, start);
-        REG_READ(dspsurf);
-
-psb_intel_pipe_cleaner:
-        /* If there was a previous display we can now unpin it */
-        if (old_fb)
-                psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-        gma_power_end(dev);
-        return ret;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void cdv_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE;
-        int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-        u32 temp;
-        bool enabled;
-
-        /* XXX: When our outputs are all unaware of DPMS modes other than off
-         * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-         */
-        switch (mode) {
-        case DRM_MODE_DPMS_ON:
-        case DRM_MODE_DPMS_STANDBY:
-        case DRM_MODE_DPMS_SUSPEND:
-                /* Enable the DPLL */
-                temp = REG_READ(dpll_reg);
-                if ((temp & DPLL_VCO_ENABLE) == 0) {
-                        REG_WRITE(dpll_reg, temp);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                        REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                        REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                }
-
-                /* Jim Bish - switch plan and pipe per scott */
-                /* Enable the plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-                        REG_WRITE(dspcntr_reg,
-                                  temp | DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                }
-
-                udelay(150);
-
-                /* Enable the pipe */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) == 0)
-                        REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-
-                psb_intel_crtc_load_lut(crtc);
-
-                /* Give the overlay scaler a chance to enable
-                 * if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, true); TODO */
-                break;
-        case DRM_MODE_DPMS_OFF:
-                /* Give the overlay scaler a chance to disable
-                 * if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-                /* Disable the VGA plane that we never use */
-                REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-                /* Jim Bish - changed pipe/plane here as well. */
-
-                /* Wait for vblank for the disable to take effect */
-                cdv_intel_wait_for_vblank(dev);
-
-                /* Next, disable display pipes */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) != 0) {
-                        REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-                        REG_READ(pipeconf_reg);
-                }
-
-                /* Wait for vblank for the disable to take effect. */
-                cdv_intel_wait_for_vblank(dev);
-
-                udelay(150);
-
-                /* Disable display plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-                        REG_WRITE(dspcntr_reg,
-                                  temp & ~DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                        REG_READ(dspbase_reg);
-                }
-
-                temp = REG_READ(dpll_reg);
-                if ((temp & DPLL_VCO_ENABLE) != 0) {
-                        REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                }
-
-                /* Wait for the clocks to turn off. */
-                udelay(150);
-                break;
-        }
-        enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-        /*Set FIFO Watermarks*/
-        REG_WRITE(DSPARB, 0x3F3E);
-}
-
-static void cdv_intel_crtc_prepare(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void cdv_intel_crtc_commit(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-void cdv_intel_encoder_prepare(struct drm_encoder *encoder)
-{
-        struct drm_encoder_helper_funcs *encoder_funcs =
-            encoder->helper_private;
-        /* lvds has its own version of prepare see cdv_intel_lvds_prepare */
-        encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-void cdv_intel_encoder_commit(struct drm_encoder *encoder)
-{
-        struct drm_encoder_helper_funcs *encoder_funcs =
-            encoder->helper_private;
-        /* lvds has its own version of commit see cdv_intel_lvds_commit */
-        encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static bool cdv_intel_crtc_mode_fixup(struct drm_crtc *crtc,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        return true;
-}
-
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int cdv_intel_panel_fitter_pipe(struct drm_device *dev)
-{
-        u32 pfit_control;
-
-        pfit_control = REG_READ(PFIT_CONTROL);
-
-        /* See if the panel fitter is in use */
-        if ((pfit_control & PFIT_ENABLE) == 0)
-                return -1;
-        return (pfit_control >> 29) & 0x3;
-}
-
-static int cdv_intel_crtc_mode_set(struct drm_crtc *crtc,
-                               struct drm_display_mode *mode,
-                               struct drm_display_mode *adjusted_mode,
-                               int x, int y,
-                               struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-        int dpll_md_reg = (psb_intel_crtc->pipe == 0) ? DPLL_A_MD : DPLL_B_MD;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-        int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-        int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-        int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-        int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-        int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-        int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-        int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-        int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-        int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-        int refclk;
-        struct cdv_intel_clock_t clock;
-        u32 dpll = 0, dspcntr, pipeconf;
-        bool ok, is_sdvo = false, is_dvo = false;
-        bool is_crt = false, is_lvds = false, is_tv = false;
-        bool is_hdmi = false;
-        struct drm_mode_config *mode_config = &dev->mode_config;
-        struct drm_connector *connector;
-
-        list_for_each_entry(connector, &mode_config->connector_list, head) {
-                struct psb_intel_output *psb_intel_output =
-                    to_psb_intel_output(connector);
-
-                if (!connector->encoder
-                    || connector->encoder->crtc != crtc)
-                        continue;
-
-                switch (psb_intel_output->type) {
-                case INTEL_OUTPUT_LVDS:
-                        is_lvds = true;
-                        break;
-                case INTEL_OUTPUT_SDVO:
-                        is_sdvo = true;
-                        break;
-                case INTEL_OUTPUT_DVO:
-                        is_dvo = true;
-                        break;
-                case INTEL_OUTPUT_TVOUT:
-                        is_tv = true;
-                        break;
-                case INTEL_OUTPUT_ANALOG:
-                        is_crt = true;
-                        break;
-                case INTEL_OUTPUT_HDMI:
-                        is_hdmi = true;
-                        break;
-                }
-        }
-
-        refclk = 96000;
-
-        /* Hack selection about ref clk for CRT */
-        /* Select 27MHz as the reference clk for HDMI */
-        if (is_crt || is_hdmi)
-                refclk = 27000;
-
-        drm_mode_debug_printmodeline(adjusted_mode);
-
-        ok = cdv_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk,
-                                 &clock);
-        if (!ok) {
-                dev_err(dev->dev, "Couldn't find PLL settings for mode!\n");
-                return 0;
-        }
-
-        dpll = DPLL_VGA_MODE_DIS;
-        if (is_tv) {
-                /* XXX: just matching BIOS for now */
-/*      dpll |= PLL_REF_INPUT_TVCLKINBC; */
-                dpll |= 3;
-        }
-                dpll |= PLL_REF_INPUT_DREFCLK;
-
-        dpll |= DPLL_SYNCLOCK_ENABLE;
-        dpll |= DPLL_VGA_MODE_DIS;
-        if (is_lvds)
-                dpll |= DPLLB_MODE_LVDS;
-        else
-                dpll |= DPLLB_MODE_DAC_SERIAL;
-        /* dpll |= (2 << 11); */
-
-        /* setup pipeconf */
-        pipeconf = REG_READ(pipeconf_reg);
-
-        /* Set up the display plane register */
-        dspcntr = DISPPLANE_GAMMA_ENABLE;
-
-        if (pipe == 0)
-                dspcntr |= DISPPLANE_SEL_PIPE_A;
-        else
-                dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-        dspcntr |= DISPLAY_PLANE_ENABLE;
-        pipeconf |= PIPEACONF_ENABLE;
-
-        REG_WRITE(dpll_reg, dpll | DPLL_VGA_MODE_DIS | DPLL_SYNCLOCK_ENABLE);
-        REG_READ(dpll_reg);
-
-        cdv_dpll_set_clock_cdv(dev, crtc, &clock);
-
-        udelay(150);
-
-
-        /* The LVDS pin pair needs to be on before the DPLLs are enabled.
-         * This is an exception to the general rule that mode_set doesn't turn
-         * things on.
-         */
-        if (is_lvds) {
-                u32 lvds = REG_READ(LVDS);
-
-                lvds |=
-                    LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP |
-                    LVDS_PIPEB_SELECT;
-                /* Set the B0-B3 data pairs corresponding to
-                 * whether we're going to
-                 * set the DPLLs for dual-channel mode or not.
-                 */
-                if (clock.p2 == 7)
-                        lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
-                else
-                        lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-
-                /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
-                 * appropriately here, but we need to look more
-                 * thoroughly into how panels behave in the two modes.
-                 */
-
-                REG_WRITE(LVDS, lvds);
-                REG_READ(LVDS);
-        }
-
-        dpll |= DPLL_VCO_ENABLE;
-
-        /* Disable the panel fitter if it was on our pipe */
-        if (cdv_intel_panel_fitter_pipe(dev) == pipe)
-                REG_WRITE(PFIT_CONTROL, 0);
-
-        DRM_DEBUG_KMS("Mode for pipe %c:\n", pipe == 0 ? 'A' : 'B');
-        drm_mode_debug_printmodeline(mode);
-
-        REG_WRITE(dpll_reg,
-                (REG_READ(dpll_reg) & ~DPLL_LOCK) | DPLL_VCO_ENABLE);
-        REG_READ(dpll_reg);
-        /* Wait for the clocks to stabilize. */
-        udelay(150); /* 42 usec w/o calibration, 110 with.  rounded up. */
-
-        if (!(REG_READ(dpll_reg) & DPLL_LOCK)) {
-                dev_err(dev->dev, "Failed to get DPLL lock\n");
-                return -EBUSY;
-        }
-
-        {
-                int sdvo_pixel_multiply = adjusted_mode->clock / mode->clock;
-                REG_WRITE(dpll_md_reg, (0 << DPLL_MD_UDI_DIVIDER_SHIFT) | ((sdvo_pixel_multiply - 1) << DPLL_MD_UDI_MULTIPLIER_SHIFT));
-        }
-
-        REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-                  ((adjusted_mode->crtc_htotal - 1) << 16));
-        REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-                  ((adjusted_mode->crtc_hblank_end - 1) << 16));
-        REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-                  ((adjusted_mode->crtc_hsync_end - 1) << 16));
-        REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-                  ((adjusted_mode->crtc_vtotal - 1) << 16));
-        REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-                  ((adjusted_mode->crtc_vblank_end - 1) << 16));
-        REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-                  ((adjusted_mode->crtc_vsync_end - 1) << 16));
-        /* pipesrc and dspsize control the size that is scaled from,
-         * which should always be the user's requested size.
-         */
-        REG_WRITE(dspsize_reg,
-                  ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-        REG_WRITE(dsppos_reg, 0);
-        REG_WRITE(pipesrc_reg,
-                  ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
-        REG_WRITE(pipeconf_reg, pipeconf);
-        REG_READ(pipeconf_reg);
-
-        cdv_intel_wait_for_vblank(dev);
-
-        REG_WRITE(dspcntr_reg, dspcntr);
-
-        /* Flush the plane changes */
-        {
-                struct drm_crtc_helper_funcs *crtc_funcs =
-                    crtc->helper_private;
-                crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-        }
-
-        cdv_intel_wait_for_vblank(dev);
-
-        return 0;
-}
-
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-void cdv_intel_crtc_load_lut(struct drm_crtc *crtc)
-{
-        struct drm_device *dev = crtc->dev;
-        struct drm_psb_private *dev_priv =
-                                (struct drm_psb_private *)dev->dev_private;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int palreg = PALETTE_A;
-        int i;
-
-        /* The clocks have to be on to load the palette. */
-        if (!crtc->enabled)
-                return;
-
-        switch (psb_intel_crtc->pipe) {
-        case 0:
-                break;
-        case 1:
-                palreg = PALETTE_B;
-                break;
-        case 2:
-                palreg = PALETTE_C;
-                break;
-        default:
-                dev_err(dev->dev, "Illegal Pipe Number.\n");
-                return;
-        }
-
-        if (gma_power_begin(dev, false)) {
-                for (i = 0; i < 256; i++) {
-                        REG_WRITE(palreg + 4 * i,
-                                  ((psb_intel_crtc->lut_r[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 16) |
-                                  ((psb_intel_crtc->lut_g[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 8) |
-                                  (psb_intel_crtc->lut_b[i] +
-                                  psb_intel_crtc->lut_adj[i]));
-                }
-                gma_power_end(dev);
-        } else {
-                for (i = 0; i < 256; i++) {
-                        dev_priv->save_palette_a[i] =
-                                  ((psb_intel_crtc->lut_r[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 16) |
-                                  ((psb_intel_crtc->lut_g[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 8) |
-                                  (psb_intel_crtc->lut_b[i] +
-                                  psb_intel_crtc->lut_adj[i]);
-                }
-
-        }
-}
-
-/**
- * Save HW states of giving crtc
- */
-static void cdv_intel_crtc_save(struct drm_crtc *crtc)
-{
-        struct drm_device *dev = crtc->dev;
-        /* struct drm_psb_private *dev_priv =
-                        (struct drm_psb_private *)dev->dev_private; */
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-        int pipeA = (psb_intel_crtc->pipe == 0);
-        uint32_t paletteReg;
-        int i;
-
-        if (!crtc_state) {
-                dev_dbg(dev->dev, "No CRTC state found\n");
-                return;
-        }
-
-        crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR);
-        crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF);
-        crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC);
-        crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0);
-        crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1);
-        crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B);
-        crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B);
-        crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B);
-        crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B);
-        crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B);
-        crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B);
-        crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B);
-        crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE);
-
-        /*NOTE: DSPSIZE DSPPOS only for psb*/
-        crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE);
-        crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS);
-
-        crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE);
-
-        DRM_DEBUG("(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-                        crtc_state->saveDSPCNTR,
-                        crtc_state->savePIPECONF,
-                        crtc_state->savePIPESRC,
-                        crtc_state->saveFP0,
-                        crtc_state->saveFP1,
-                        crtc_state->saveDPLL,
-                        crtc_state->saveHTOTAL,
-                        crtc_state->saveHBLANK,
-                        crtc_state->saveHSYNC,
-                        crtc_state->saveVTOTAL,
-                        crtc_state->saveVBLANK,
-                        crtc_state->saveVSYNC,
-                        crtc_state->saveDSPSTRIDE,
-                        crtc_state->saveDSPSIZE,
-                        crtc_state->saveDSPPOS,
-                        crtc_state->saveDSPBASE
-                );
-
-        paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-        for (i = 0; i < 256; ++i)
-                crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2));
-}
-
-/**
- * Restore HW states of giving crtc
- */
-static void cdv_intel_crtc_restore(struct drm_crtc *crtc)
-{
-        struct drm_device *dev = crtc->dev;
-        /* struct drm_psb_private * dev_priv =
-                                (struct drm_psb_private *)dev->dev_private; */
-        struct psb_intel_crtc *psb_intel_crtc =  to_psb_intel_crtc(crtc);
-        struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-        /* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */
-        int pipeA = (psb_intel_crtc->pipe == 0);
-        uint32_t paletteReg;
-        int i;
-
-        if (!crtc_state) {
-                dev_dbg(dev->dev, "No crtc state\n");
-                return;
-        }
-
-        DRM_DEBUG(
-                "current:(%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-                REG_READ(pipeA ? DSPACNTR : DSPBCNTR),
-                REG_READ(pipeA ? PIPEACONF : PIPEBCONF),
-                REG_READ(pipeA ? PIPEASRC : PIPEBSRC),
-                REG_READ(pipeA ? FPA0 : FPB0),
-                REG_READ(pipeA ? FPA1 : FPB1),
-                REG_READ(pipeA ? DPLL_A : DPLL_B),
-                REG_READ(pipeA ? HTOTAL_A : HTOTAL_B),
-                REG_READ(pipeA ? HBLANK_A : HBLANK_B),
-                REG_READ(pipeA ? HSYNC_A : HSYNC_B),
-                REG_READ(pipeA ? VTOTAL_A : VTOTAL_B),
-                REG_READ(pipeA ? VBLANK_A : VBLANK_B),
-                REG_READ(pipeA ? VSYNC_A : VSYNC_B),
-                REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE),
-                REG_READ(pipeA ? DSPASIZE : DSPBSIZE),
-                REG_READ(pipeA ? DSPAPOS : DSPBPOS),
-                REG_READ(pipeA ? DSPABASE : DSPBBASE)
-                );
-
-        DRM_DEBUG(
-                "saved: (%x %x %x %x %x %x %x %x %x %x %x %x %x %x %x %x)\n",
-                crtc_state->saveDSPCNTR,
-                crtc_state->savePIPECONF,
-                crtc_state->savePIPESRC,
-                crtc_state->saveFP0,
-                crtc_state->saveFP1,
-                crtc_state->saveDPLL,
-                crtc_state->saveHTOTAL,
-                crtc_state->saveHBLANK,
-                crtc_state->saveHSYNC,
-                crtc_state->saveVTOTAL,
-                crtc_state->saveVBLANK,
-                crtc_state->saveVSYNC,
-                crtc_state->saveDSPSTRIDE,
-                crtc_state->saveDSPSIZE,
-                crtc_state->saveDSPPOS,
-                crtc_state->saveDSPBASE
-                );
-
-
-        if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {
-                REG_WRITE(pipeA ? DPLL_A : DPLL_B,
-                        crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);
-                REG_READ(pipeA ? DPLL_A : DPLL_B);
-                DRM_DEBUG("write dpll: %x\n",
-                                REG_READ(pipeA ? DPLL_A : DPLL_B));
-                udelay(150);
-        }
-
-        REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0);
-        REG_READ(pipeA ? FPA0 : FPB0);
-
-        REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1);
-        REG_READ(pipeA ? FPA1 : FPB1);
-
-        REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL);
-        REG_READ(pipeA ? DPLL_A : DPLL_B);
-        udelay(150);
-
-        REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL);
-        REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK);
-        REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC);
-        REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL);
-        REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK);
-        REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC);
-        REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE);
-
-        REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE);
-        REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS);
-
-        REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC);
-        REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-        REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF);
-
-        cdv_intel_wait_for_vblank(dev);
-
-        REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR);
-        REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-
-        cdv_intel_wait_for_vblank(dev);
-
-        paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-        for (i = 0; i < 256; ++i)
-                REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);
-}
-
-static int cdv_intel_crtc_cursor_set(struct drm_crtc *crtc,
-                                 struct drm_file *file_priv,
-                                 uint32_t handle,
-                                 uint32_t width, uint32_t height)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
-        uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-        uint32_t temp;
-        size_t addr = 0;
-        struct gtt_range *gt;
-        struct drm_gem_object *obj;
-        int ret;
-
-        /* if we want to turn of the cursor ignore width and height */
-        if (!handle) {
-                /* turn off the cursor */
-                temp = CURSOR_MODE_DISABLE;
-
-                if (gma_power_begin(dev, false)) {
-                        REG_WRITE(control, temp);
-                        REG_WRITE(base, 0);
-                        gma_power_end(dev);
-                }
-
-                /* unpin the old GEM object */
-                if (psb_intel_crtc->cursor_obj) {
-                        gt = container_of(psb_intel_crtc->cursor_obj,
-                                                        struct gtt_range, gem);
-                        psb_gtt_unpin(gt);
-                        drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                        psb_intel_crtc->cursor_obj = NULL;
-                }
-
-                return 0;
-        }
-
-        /* Currently we only support 64x64 cursors */
-        if (width != 64 || height != 64) {
-                dev_dbg(dev->dev, "we currently only support 64x64 cursors\n");
-                return -EINVAL;
-        }
-
-        obj = drm_gem_object_lookup(dev, file_priv, handle);
-        if (!obj)
-                return -ENOENT;
-
-        if (obj->size < width * height * 4) {
-                dev_dbg(dev->dev, "buffer is to small\n");
-                return -ENOMEM;
-        }
-
-        gt = container_of(obj, struct gtt_range, gem);
-
-        /* Pin the memory into the GTT */
-        ret = psb_gtt_pin(gt);
-        if (ret) {
-                dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-                return ret;
-        }
-
-        addr = gt->offset;      /* Or resource.start ??? */
-
-        psb_intel_crtc->cursor_addr = addr;
-
-        temp = 0;
-        /* set the pipe for the cursor */
-        temp |= (pipe << 28);
-        temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-        if (gma_power_begin(dev, false)) {
-                REG_WRITE(control, temp);
-                REG_WRITE(base, addr);
-                gma_power_end(dev);
-        }
-
-        /* unpin the old GEM object */
-        if (psb_intel_crtc->cursor_obj) {
-                gt = container_of(psb_intel_crtc->cursor_obj,
-                                                        struct gtt_range, gem);
-                psb_gtt_unpin(gt);
-                drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                psb_intel_crtc->cursor_obj = obj;
-        }
-        return 0;
-}
-
-static int cdv_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        uint32_t temp = 0;
-        uint32_t adder;
-
-
-        if (x < 0) {
-                temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-                x = -x;
-        }
-        if (y < 0) {
-                temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-                y = -y;
-        }
-
-        temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-        temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-        adder = psb_intel_crtc->cursor_addr;
-
-        if (gma_power_begin(dev, false)) {
-                REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
-                REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, adder);
-                gma_power_end(dev);
-        }
-        return 0;
-}
-
-static void cdv_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-                         u16 *green, u16 *blue, uint32_t start, uint32_t size)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int i;
-        int end = (start + size > 256) ? 256 : start + size;
-
-        for (i = start; i < end; i++) {
-                psb_intel_crtc->lut_r[i] = red[i] >> 8;
-                psb_intel_crtc->lut_g[i] = green[i] >> 8;
-                psb_intel_crtc->lut_b[i] = blue[i] >> 8;
-        }
-
-        cdv_intel_crtc_load_lut(crtc);
-}
-
-static int cdv_crtc_set_config(struct drm_mode_set *set)
-{
-        int ret = 0;
-        struct drm_device *dev = set->crtc->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (!dev_priv->rpm_enabled)
-                return drm_crtc_helper_set_config(set);
-
-        pm_runtime_forbid(&dev->pdev->dev);
-
-        ret = drm_crtc_helper_set_config(set);
-
-        pm_runtime_allow(&dev->pdev->dev);
-
-        return ret;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-
-/* FIXME: why are we using this, should it be cdv_ in this tree ? */
-
-static void i8xx_clock(int refclk, struct cdv_intel_clock_t *clock)
-{
-        clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-        clock->p = clock->p1 * clock->p2;
-        clock->vco = refclk * clock->m / (clock->n + 2);
-        clock->dot = clock->vco / clock->p;
-}
-
-/* Returns the clock of the currently programmed mode of the given pipe. */
-static int cdv_intel_crtc_clock_get(struct drm_device *dev,
-                                struct drm_crtc *crtc)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        u32 dpll;
-        u32 fp;
-        struct cdv_intel_clock_t clock;
-        bool is_lvds;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (gma_power_begin(dev, false)) {
-                dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B);
-                if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-                        fp = REG_READ((pipe == 0) ? FPA0 : FPB0);
-                else
-                        fp = REG_READ((pipe == 0) ? FPA1 : FPB1);
-                is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
-                gma_power_end(dev);
-        } else {
-                dpll = (pipe == 0) ?
-                        dev_priv->saveDPLL_A : dev_priv->saveDPLL_B;
-
-                if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-                        fp = (pipe == 0) ?
-                                dev_priv->saveFPA0 :
-                                dev_priv->saveFPB0;
-                else
-                        fp = (pipe == 0) ?
-                                dev_priv->saveFPA1 :
-                                dev_priv->saveFPB1;
-
-                is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN);
-        }
-
-        clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
-        clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
-        clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
-
-        if (is_lvds) {
-                clock.p1 =
-                    ffs((dpll &
-                         DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
-                        DPLL_FPA01_P1_POST_DIV_SHIFT);
-                if (clock.p1 == 0) {
-                        clock.p1 = 4;
-                        dev_err(dev->dev, "PLL %d\n", dpll);
-                }
-                clock.p2 = 14;
-
-                if ((dpll & PLL_REF_INPUT_MASK) ==
-                    PLLB_REF_INPUT_SPREADSPECTRUMIN) {
-                        /* XXX: might not be 66MHz */
-                        i8xx_clock(66000, &clock);
-                } else
-                        i8xx_clock(48000, &clock);
-        } else {
-                if (dpll & PLL_P1_DIVIDE_BY_TWO)
-                        clock.p1 = 2;
-                else {
-                        clock.p1 =
-                            ((dpll &
-                              DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
-                             DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
-                }
-                if (dpll & PLL_P2_DIVIDE_BY_4)
-                        clock.p2 = 4;
-                else
-                        clock.p2 = 2;
-
-                i8xx_clock(48000, &clock);
-        }
-
-        /* XXX: It would be nice to validate the clocks, but we can't reuse
-         * i830PllIsValid() because it relies on the xf86_config connector
-         * configuration being accurate, which it isn't necessarily.
-         */
-
-        return clock.dot;
-}
-
-/** Returns the currently programmed mode of the given pipe. */
-struct drm_display_mode *cdv_intel_crtc_mode_get(struct drm_device *dev,
-                                             struct drm_crtc *crtc)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        struct drm_display_mode *mode;
-        int htot;
-        int hsync;
-        int vtot;
-        int vsync;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (gma_power_begin(dev, false)) {
-                htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
-                hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
-                vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
-                vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
-                gma_power_end(dev);
-        } else {
-                htot = (pipe == 0) ?
-                        dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B;
-                hsync = (pipe == 0) ?
-                        dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B;
-                vtot = (pipe == 0) ?
-                        dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B;
-                vsync = (pipe == 0) ?
-                        dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B;
-        }
-
-        mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-        if (!mode)
-                return NULL;
-
-        mode->clock = cdv_intel_crtc_clock_get(dev, crtc);
-        mode->hdisplay = (htot & 0xffff) + 1;
-        mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
-        mode->hsync_start = (hsync & 0xffff) + 1;
-        mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
-        mode->vdisplay = (vtot & 0xffff) + 1;
-        mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
-        mode->vsync_start = (vsync & 0xffff) + 1;
-        mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
-
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-
-        return mode;
-}
-
-static void cdv_intel_crtc_destroy(struct drm_crtc *crtc)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-
-        kfree(psb_intel_crtc->crtc_state);
-        drm_crtc_cleanup(crtc);
-        kfree(psb_intel_crtc);
-}
-
-const struct drm_crtc_helper_funcs cdv_intel_helper_funcs = {
-        .dpms = cdv_intel_crtc_dpms,
-        .mode_fixup = cdv_intel_crtc_mode_fixup,
-        .mode_set = cdv_intel_crtc_mode_set,
-        .mode_set_base = cdv_intel_pipe_set_base,
-        .prepare = cdv_intel_crtc_prepare,
-        .commit = cdv_intel_crtc_commit,
-};
-
-const struct drm_crtc_funcs cdv_intel_crtc_funcs = {
-        .save = cdv_intel_crtc_save,
-        .restore = cdv_intel_crtc_restore,
-        .cursor_set = cdv_intel_crtc_cursor_set,
-        .cursor_move = cdv_intel_crtc_cursor_move,
-        .gamma_set = cdv_intel_crtc_gamma_set,
-        .set_config = cdv_crtc_set_config,
-        .destroy = cdv_intel_crtc_destroy,
-};
-
-/*
- * Set the default value of cursor control and base register
- * to zero. This is a workaround for h/w defect on oaktrail
- */
-void cdv_intel_cursor_init(struct drm_device *dev, int pipe)
-{
-        uint32_t control;
-        uint32_t base;
-
-        switch (pipe) {
-        case 0:
-                control = CURACNTR;
-                base = CURABASE;
-                break;
-        case 1:
-                control = CURBCNTR;
-                base = CURBBASE;
-                break;
-        case 2:
-                control = CURCCNTR;
-                base = CURCBASE;
-                break;
-        default:
-                return;
-        }
-
-        REG_WRITE(control, 0);
-        REG_WRITE(base, 0);
-}
-
diff --git a/drivers/staging/gma500/cdv_intel_hdmi.c b/drivers/staging/gma500/cdv_intel_hdmi.c
deleted file mode 100644
index cbca2b0c7d58..000000000000
--- a/drivers/staging/gma500/cdv_intel_hdmi.c
+++ /dev/null
@@ -1,376 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *      jim liu <jim.liu@intel.com>
- *
- * FIXME:
- *      We should probably make this generic and share it with Medfield
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-#include "psb_intel_drv.h"
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include <linux/pm_runtime.h>
-
-/* hdmi control bits */
-#define HDMI_NULL_PACKETS_DURING_VSYNC  (1 << 9)
-#define HDMI_BORDER_ENABLE              (1 << 7)
-#define HDMI_AUDIO_ENABLE               (1 << 6)
-#define HDMI_VSYNC_ACTIVE_HIGH          (1 << 4)
-#define HDMI_HSYNC_ACTIVE_HIGH          (1 << 3)
-/* hdmi-b control bits */
-#define HDMIB_PIPE_B_SELECT             (1 << 30)
-
-
-struct mid_intel_hdmi_priv {
-        u32 hdmi_reg;
-        u32 save_HDMIB;
-        bool has_hdmi_sink;
-        bool has_hdmi_audio;
-        /* Should set this when detect hotplug */
-        bool hdmi_device_connected;
-        struct mdfld_hdmi_i2c *i2c_bus;
-        struct i2c_adapter *hdmi_i2c_adapter;   /* for control functions */
-        struct drm_device *dev;
-};
-
-static void cdv_hdmi_mode_set(struct drm_encoder *encoder,
-                        struct drm_display_mode *mode,
-                        struct drm_display_mode *adjusted_mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-        u32 hdmib;
-        struct drm_crtc *crtc = encoder->crtc;
-        struct psb_intel_crtc *intel_crtc = to_psb_intel_crtc(crtc);
-
-        hdmib = (2 << 10);
-
-        if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
-                hdmib |= HDMI_VSYNC_ACTIVE_HIGH;
-        if (adjusted_mode->flags & DRM_MODE_FLAG_PHSYNC)
-                hdmib |= HDMI_HSYNC_ACTIVE_HIGH;
-
-        if (intel_crtc->pipe == 1)
-                hdmib |= HDMIB_PIPE_B_SELECT;
-
-        if (hdmi_priv->has_hdmi_audio) {
-                hdmib |= HDMI_AUDIO_ENABLE;
-                hdmib |= HDMI_NULL_PACKETS_DURING_VSYNC;
-        }
-
-        REG_WRITE(hdmi_priv->hdmi_reg, hdmib);
-        REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static bool cdv_hdmi_mode_fixup(struct drm_encoder *encoder,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        return true;
-}
-
-static void cdv_hdmi_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-        u32 hdmib;
-
-        hdmib = REG_READ(hdmi_priv->hdmi_reg);
-
-        if (mode != DRM_MODE_DPMS_ON)
-                REG_WRITE(hdmi_priv->hdmi_reg, hdmib & ~HDMIB_PORT_EN);
-        else
-                REG_WRITE(hdmi_priv->hdmi_reg, hdmib | HDMIB_PORT_EN);
-        REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static void cdv_hdmi_save(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct psb_intel_output *output = to_psb_intel_output(connector);
-        struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-
-        hdmi_priv->save_HDMIB = REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static void cdv_hdmi_restore(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct psb_intel_output *output = to_psb_intel_output(connector);
-        struct mid_intel_hdmi_priv *hdmi_priv = output->dev_priv;
-
-        REG_WRITE(hdmi_priv->hdmi_reg, hdmi_priv->save_HDMIB);
-        REG_READ(hdmi_priv->hdmi_reg);
-}
-
-static enum drm_connector_status cdv_hdmi_detect(
-                                struct drm_connector *connector, bool force)
-{
-        struct psb_intel_output *psb_intel_output =
-                                                to_psb_intel_output(connector);
-        struct mid_intel_hdmi_priv *hdmi_priv = psb_intel_output->dev_priv;
-        struct edid *edid = NULL;
-        enum drm_connector_status status = connector_status_disconnected;
-
-        edid = drm_get_edid(&psb_intel_output->base,
-                         psb_intel_output->hdmi_i2c_adapter);
-
-        hdmi_priv->has_hdmi_sink = false;
-        hdmi_priv->has_hdmi_audio = false;
-        if (edid) {
-                if (edid->input & DRM_EDID_INPUT_DIGITAL) {
-                        status = connector_status_connected;
-                        hdmi_priv->has_hdmi_sink =
-                                                drm_detect_hdmi_monitor(edid);
-                        hdmi_priv->has_hdmi_audio =
-                                                drm_detect_monitor_audio(edid);
-                }
-
-                psb_intel_output->base.display_info.raw_edid = NULL;
-                kfree(edid);
-        }
-        return status;
-}
-
-static int cdv_hdmi_set_property(struct drm_connector *connector,
-                                       struct drm_property *property,
-                                       uint64_t value)
-{
-        struct drm_encoder *encoder = connector->encoder;
-
-        if (!strcmp(property->name, "scaling mode") && encoder) {
-                struct psb_intel_crtc *crtc = to_psb_intel_crtc(encoder->crtc);
-                bool centre;
-                uint64_t curValue;
-
-                if (!crtc)
-                        return -1;
-
-                switch (value) {
-                case DRM_MODE_SCALE_FULLSCREEN:
-                        break;
-                case DRM_MODE_SCALE_NO_SCALE:
-                        break;
-                case DRM_MODE_SCALE_ASPECT:
-                        break;
-                default:
-                        return -1;
-                }
-
-                if (drm_connector_property_get_value(connector,
-                                                        property, &curValue))
-                        return -1;
-
-                if (curValue == value)
-                        return 0;
-
-                if (drm_connector_property_set_value(connector,
-                                                        property, value))
-                        return -1;
-
-                centre = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
-                        (value == DRM_MODE_SCALE_NO_SCALE);
-
-                if (crtc->saved_mode.hdisplay != 0 &&
-                    crtc->saved_mode.vdisplay != 0) {
-                        if (centre) {
-                                if (!drm_crtc_helper_set_mode(encoder->crtc, &crtc->saved_mode,
-                                            encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb))
-                                        return -1;
-                        } else {
-                                struct drm_encoder_helper_funcs *helpers
-                                                    = encoder->helper_private;
-                                helpers->mode_set(encoder, &crtc->saved_mode,
-                                             &crtc->saved_adjusted_mode);
-                        }
-                }
-        }
-        return 0;
-}
-
-/*
- * Return the list of HDMI DDC modes if available.
- */
-static int cdv_hdmi_get_modes(struct drm_connector *connector)
-{
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-        struct edid *edid = NULL;
-        int ret = 0;
-
-        edid = drm_get_edid(&psb_intel_output->base,
-                         psb_intel_output->hdmi_i2c_adapter);
-        if (edid) {
-                drm_mode_connector_update_edid_property(&psb_intel_output->
-                                                        base, edid);
-                ret = drm_add_edid_modes(&psb_intel_output->base, edid);
-                kfree(edid);
-        }
-        return ret;
-}
-
-static int cdv_hdmi_mode_valid(struct drm_connector *connector,
-                                 struct drm_display_mode *mode)
-{
-
-        if (mode->clock > 165000)
-                return MODE_CLOCK_HIGH;
-        if (mode->clock < 20000)
-                return MODE_CLOCK_HIGH;
-
-        /* just in case */
-        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-                return MODE_NO_DBLESCAN;
-
-        /* just in case */
-        if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-                return MODE_NO_INTERLACE;
-
-        /*
-         * FIXME: for now we limit the size to 1680x1050 on CDV, otherwise it
-         * will go beyond the stolen memory size allocated to the framebuffer
-         */
-        if (mode->hdisplay > 1680)
-                return MODE_PANEL;
-        if (mode->vdisplay > 1050)
-                return MODE_PANEL;
-        return MODE_OK;
-}
-
-static void cdv_hdmi_destroy(struct drm_connector *connector)
-{
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-
-        if (psb_intel_output->ddc_bus)
-                psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-        drm_sysfs_connector_remove(connector);
-        drm_connector_cleanup(connector);
-        kfree(connector);
-}
-
-static const struct drm_encoder_helper_funcs cdv_hdmi_helper_funcs = {
-        .dpms = cdv_hdmi_dpms,
-        .mode_fixup = cdv_hdmi_mode_fixup,
-        .prepare = psb_intel_encoder_prepare,
-        .mode_set = cdv_hdmi_mode_set,
-        .commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_helper_funcs
-                                        cdv_hdmi_connector_helper_funcs = {
-        .get_modes = cdv_hdmi_get_modes,
-        .mode_valid = cdv_hdmi_mode_valid,
-        .best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs cdv_hdmi_connector_funcs = {
-        .dpms = drm_helper_connector_dpms,
-        .save = cdv_hdmi_save,
-        .restore = cdv_hdmi_restore,
-        .detect = cdv_hdmi_detect,
-        .fill_modes = drm_helper_probe_single_connector_modes,
-        .set_property = cdv_hdmi_set_property,
-        .destroy = cdv_hdmi_destroy,
-};
-
-void cdv_hdmi_init(struct drm_device *dev,
-                        struct psb_intel_mode_device *mode_dev, int reg)
-{
-        struct psb_intel_output *psb_intel_output;
-        struct drm_connector *connector;
-        struct drm_encoder *encoder;
-        struct mid_intel_hdmi_priv *hdmi_priv;
-        int ddc_bus;
-
-        psb_intel_output = kzalloc(sizeof(struct psb_intel_output) +
-                               sizeof(struct mid_intel_hdmi_priv), GFP_KERNEL);
-        if (!psb_intel_output)
-                return;
-
-        hdmi_priv = (struct mid_intel_hdmi_priv *)(psb_intel_output + 1);
-        psb_intel_output->mode_dev = mode_dev;
-        connector = &psb_intel_output->base;
-        encoder = &psb_intel_output->enc;
-        drm_connector_init(dev, &psb_intel_output->base,
-                           &cdv_hdmi_connector_funcs,
-                           DRM_MODE_CONNECTOR_DVID);
-
-        drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs,
-                         DRM_MODE_ENCODER_TMDS);
-
-        drm_mode_connector_attach_encoder(&psb_intel_output->base,
-                                          &psb_intel_output->enc);
-        psb_intel_output->type = INTEL_OUTPUT_HDMI;
-        hdmi_priv->hdmi_reg = reg;
-        hdmi_priv->has_hdmi_sink = false;
-        psb_intel_output->dev_priv = hdmi_priv;
-
-        drm_encoder_helper_add(encoder, &cdv_hdmi_helper_funcs);
-        drm_connector_helper_add(connector,
-                                 &cdv_hdmi_connector_helper_funcs);
-        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-        connector->interlace_allowed = false;
-        connector->doublescan_allowed = false;
-
-        drm_connector_attach_property(connector,
-            dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN);
-
-        switch (reg) {
-        case SDVOB:
-                ddc_bus = GPIOE;
-                break;
-        case SDVOC:
-                ddc_bus = GPIOD;
-                break;
-        default:
-                DRM_ERROR("unknown reg 0x%x for HDMI\n", reg);
-                goto failed_ddc;
-                break;
-        }
-
-        psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-                                ddc_bus, (reg == SDVOB) ? "HDMIB" : "HDMIC");
-
-        if (!psb_intel_output->ddc_bus) {
-                dev_err(dev->dev, "No ddc adapter available!\n");
-                goto failed_ddc;
-        }
-        psb_intel_output->hdmi_i2c_adapter =
-                                &(psb_intel_output->ddc_bus->adapter);
-        hdmi_priv->dev = dev;
-        drm_sysfs_connector_add(connector);
-        return;
-
-failed_ddc:
-        drm_encoder_cleanup(&psb_intel_output->enc);
-        drm_connector_cleanup(&psb_intel_output->base);
-        kfree(psb_intel_output);
-}
diff --git a/drivers/staging/gma500/cdv_intel_lvds.c b/drivers/staging/gma500/cdv_intel_lvds.c
deleted file mode 100644
index 988b2d0acf43..000000000000
--- a/drivers/staging/gma500/cdv_intel_lvds.c
+++ /dev/null
@@ -1,721 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- *      Dave Airlie <airlied@linux.ie>
- *      Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <linux/dmi.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-#include "cdv_device.h"
-
-/**
- * LVDS I2C backlight control macros
- */
-#define BRIGHTNESS_MAX_LEVEL 100
-#define BRIGHTNESS_MASK 0xFF
-#define BLC_I2C_TYPE    0x01
-#define BLC_PWM_TYPT    0x02
-
-#define BLC_POLARITY_NORMAL 0
-#define BLC_POLARITY_INVERSE 1
-
-#define PSB_BLC_MAX_PWM_REG_FREQ       (0xFFFE)
-#define PSB_BLC_MIN_PWM_REG_FREQ        (0x2)
-#define PSB_BLC_PWM_PRECISION_FACTOR    (10)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT     (16)
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-
-struct cdv_intel_lvds_priv {
-        /**
-         * Saved LVDO output states
-         */
-        uint32_t savePP_ON;
-        uint32_t savePP_OFF;
-        uint32_t saveLVDS;
-        uint32_t savePP_CONTROL;
-        uint32_t savePP_CYCLE;
-        uint32_t savePFIT_CONTROL;
-        uint32_t savePFIT_PGM_RATIOS;
-        uint32_t saveBLC_PWM_CTL;
-};
-
-/*
- * Returns the maximum level of the backlight duty cycle field.
- */
-static u32 cdv_intel_lvds_get_max_backlight(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 retval;
-
-        if (gma_power_begin(dev, false)) {
-                retval = ((REG_READ(BLC_PWM_CTL) &
-                          BACKLIGHT_MODULATION_FREQ_MASK) >>
-                          BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-                gma_power_end(dev);
-        } else
-                retval = ((dev_priv->saveBLC_PWM_CTL &
-                          BACKLIGHT_MODULATION_FREQ_MASK) >>
-                          BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-        return retval;
-}
-
-/*
- * Set LVDS backlight level by I2C command
- */
-static int cdv_lvds_i2c_set_brightness(struct drm_device *dev,
-                                        unsigned int level)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
-        u8 out_buf[2];
-        unsigned int blc_i2c_brightness;
-
-        struct i2c_msg msgs[] = {
-                {
-                        .addr = lvds_i2c_bus->slave_addr,
-                        .flags = 0,
-                        .len = 2,
-                        .buf = out_buf,
-                }
-        };
-
-        blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
-                             BRIGHTNESS_MASK /
-                             BRIGHTNESS_MAX_LEVEL);
-
-        if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-                blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
-        out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
-        out_buf[1] = (u8)blc_i2c_brightness;
-
-        if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1)
-                return 0;
-
-        DRM_ERROR("I2C transfer error\n");
-        return -1;
-}
-
-
-static int cdv_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        u32 max_pwm_blc;
-        u32 blc_pwm_duty_cycle;
-
-        max_pwm_blc = cdv_intel_lvds_get_max_backlight(dev);
-
-        /*BLC_PWM_CTL Should be initiated while backlight device init*/
-        BUG_ON((max_pwm_blc & PSB_BLC_MAX_PWM_REG_FREQ) == 0);
-
-        blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
-        if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-                blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
-        blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-        REG_WRITE(BLC_PWM_CTL,
-                  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-                  (blc_pwm_duty_cycle));
-
-        return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void cdv_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (!dev_priv->lvds_bl) {
-                DRM_ERROR("NO LVDS Backlight Info\n");
-                return;
-        }
-
-        if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
-                cdv_lvds_i2c_set_brightness(dev, level);
-        else
-                cdv_lvds_pwm_set_brightness(dev, level);
-}
-
-/**
- * Sets the backlight level.
- *
- * level backlight level, from 0 to cdv_intel_lvds_get_max_backlight().
- */
-static void cdv_intel_lvds_set_backlight(struct drm_device *dev, int level)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 blc_pwm_ctl;
-
-        if (gma_power_begin(dev, false)) {
-                blc_pwm_ctl =
-                        REG_READ(BLC_PWM_CTL) & ~BACKLIGHT_DUTY_CYCLE_MASK;
-                REG_WRITE(BLC_PWM_CTL,
-                                (blc_pwm_ctl |
-                                (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
-                gma_power_end(dev);
-        } else {
-                blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL &
-                                ~BACKLIGHT_DUTY_CYCLE_MASK;
-                dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-                                        (level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-        }
-}
-
-/**
- * Sets the power state for the panel.
- */
-static void cdv_intel_lvds_set_power(struct drm_device *dev,
-                                 struct psb_intel_output *output, bool on)
-{
-        u32 pp_status;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-        if (on) {
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-                          POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while ((pp_status & PP_ON) == 0);
-
-                cdv_intel_lvds_set_backlight(dev,
-                                         output->
-                                         mode_dev->backlight_duty_cycle);
-        } else {
-                cdv_intel_lvds_set_backlight(dev, 0);
-
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-                          ~POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while (pp_status & PP_ON);
-        }
-        gma_power_end(dev);
-}
-
-static void cdv_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        if (mode == DRM_MODE_DPMS_ON)
-                cdv_intel_lvds_set_power(dev, output, true);
-        else
-                cdv_intel_lvds_set_power(dev, output, false);
-        /* XXX: We never power down the LVDS pairs. */
-}
-
-static void cdv_intel_lvds_save(struct drm_connector *connector)
-{
-}
-
-static void cdv_intel_lvds_restore(struct drm_connector *connector)
-{
-}
-
-int cdv_intel_lvds_mode_valid(struct drm_connector *connector,
-                                 struct drm_display_mode *mode)
-{
-        struct psb_intel_output *psb_intel_output =
-                                to_psb_intel_output(connector);
-        struct drm_display_mode *fixed_mode =
-            psb_intel_output->mode_dev->panel_fixed_mode;
-
-        /* just in case */
-        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-                return MODE_NO_DBLESCAN;
-
-        /* just in case */
-        if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-                return MODE_NO_INTERLACE;
-
-        if (fixed_mode) {
-                if (mode->hdisplay > fixed_mode->hdisplay)
-                        return MODE_PANEL;
-                if (mode->vdisplay > fixed_mode->vdisplay)
-                        return MODE_PANEL;
-        }
-        return MODE_OK;
-}
-
-bool cdv_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        struct psb_intel_mode_device *mode_dev =
-            enc_to_psb_intel_output(encoder)->mode_dev;
-        struct drm_device *dev = encoder->dev;
-        struct drm_encoder *tmp_encoder;
-        struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
-
-        /* Should never happen!! */
-        list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
-                            head) {
-                if (tmp_encoder != encoder
-                    && tmp_encoder->crtc == encoder->crtc) {
-                        printk(KERN_ERR "Can't enable LVDS and another "
-                               "encoder on the same pipe\n");
-                        return false;
-                }
-        }
-
-        /*
-         * If we have timings from the BIOS for the panel, put them in
-         * to the adjusted mode.  The CRTC will be set up for this mode,
-         * with the panel scaling set up to source from the H/VDisplay
-         * of the original mode.
-         */
-        if (panel_fixed_mode != NULL) {
-                adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
-                adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
-                adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
-                adjusted_mode->htotal = panel_fixed_mode->htotal;
-                adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
-                adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
-                adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
-                adjusted_mode->vtotal = panel_fixed_mode->vtotal;
-                adjusted_mode->clock = panel_fixed_mode->clock;
-                drm_mode_set_crtcinfo(adjusted_mode,
-                                      CRTC_INTERLACE_HALVE_V);
-        }
-
-        /*
-         * XXX: It would be nice to support lower refresh rates on the
-         * panels to reduce power consumption, and perhaps match the
-         * user's requested refresh rate.
-         */
-
-        return true;
-}
-
-static void cdv_intel_lvds_prepare(struct drm_encoder *encoder)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-        mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-        mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-                                          BACKLIGHT_DUTY_CYCLE_MASK);
-
-        cdv_intel_lvds_set_power(dev, output, false);
-
-        gma_power_end(dev);
-}
-
-static void cdv_intel_lvds_commit(struct drm_encoder *encoder)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-        if (mode_dev->backlight_duty_cycle == 0)
-                mode_dev->backlight_duty_cycle =
-                    cdv_intel_lvds_get_max_backlight(dev);
-
-        cdv_intel_lvds_set_power(dev, output, true);
-}
-
-static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder,
-                                struct drm_display_mode *mode,
-                                struct drm_display_mode *adjusted_mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 pfit_control;
-
-        /*
-         * The LVDS pin pair will already have been turned on in the
-         * cdv_intel_crtc_mode_set since it has a large impact on the DPLL
-         * settings.
-         */
-
-        /*
-         * Enable automatic panel scaling so that non-native modes fill the
-         * screen.  Should be enabled before the pipe is enabled, according to
-         * register description and PRM.
-         */
-        if (mode->hdisplay != adjusted_mode->hdisplay ||
-            mode->vdisplay != adjusted_mode->vdisplay)
-                pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
-                                HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
-                                HORIZ_INTERP_BILINEAR);
-        else
-                pfit_control = 0;
-
-        if (dev_priv->lvds_dither)
-                pfit_control |= PANEL_8TO6_DITHER_ENABLE;
-
-        REG_WRITE(PFIT_CONTROL, pfit_control);
-}
-
-/**
- * Detect the LVDS connection.
- *
- * This always returns CONNECTOR_STATUS_CONNECTED.
- * This connector should only have
- * been set up if the LVDS was actually connected anyway.
- */
-static enum drm_connector_status cdv_intel_lvds_detect(
-                                struct drm_connector *connector, bool force)
-{
-        return connector_status_connected;
-}
-
-/**
- * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
- */
-static int cdv_intel_lvds_get_modes(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-        struct psb_intel_mode_device *mode_dev =
-                                        psb_intel_output->mode_dev;
-        int ret;
-
-        ret = psb_intel_ddc_get_modes(psb_intel_output);
-
-        if (ret)
-                return ret;
-
-        /* Didn't get an EDID, so
-         * Set wide sync ranges so we get all modes
-         * handed to valid_mode for checking
-         */
-        connector->display_info.min_vfreq = 0;
-        connector->display_info.max_vfreq = 200;
-        connector->display_info.min_hfreq = 0;
-        connector->display_info.max_hfreq = 200;
-        if (mode_dev->panel_fixed_mode != NULL) {
-                struct drm_display_mode *mode =
-                    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
-                drm_mode_probed_add(connector, mode);
-                return 1;
-        }
-
-        return 0;
-}
-
-/**
- * cdv_intel_lvds_destroy - unregister and free LVDS structures
- * @connector: connector to free
- *
- * Unregister the DDC bus for this connector then free the driver private
- * structure.
- */
-void cdv_intel_lvds_destroy(struct drm_connector *connector)
-{
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-
-        if (psb_intel_output->ddc_bus)
-                psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-        drm_sysfs_connector_remove(connector);
-        drm_connector_cleanup(connector);
-        kfree(connector);
-}
-
-int cdv_intel_lvds_set_property(struct drm_connector *connector,
-                                       struct drm_property *property,
-                                       uint64_t value)
-{
-        struct drm_encoder *encoder = connector->encoder;
-
-        if (!strcmp(property->name, "scaling mode") && encoder) {
-                struct psb_intel_crtc *crtc =
-                                        to_psb_intel_crtc(encoder->crtc);
-                uint64_t curValue;
-
-                if (!crtc)
-                        return -1;
-
-                switch (value) {
-                case DRM_MODE_SCALE_FULLSCREEN:
-                        break;
-                case DRM_MODE_SCALE_NO_SCALE:
-                        break;
-                case DRM_MODE_SCALE_ASPECT:
-                        break;
-                default:
-                        return -1;
-                }
-
-                if (drm_connector_property_get_value(connector,
-                                                     property,
-                                                     &curValue))
-                        return -1;
-
-                if (curValue == value)
-                        return 0;
-
-                if (drm_connector_property_set_value(connector,
-                                                        property,
-                                                        value))
-                        return -1;
-
-                if (crtc->saved_mode.hdisplay != 0 &&
-                    crtc->saved_mode.vdisplay != 0) {
-                        if (!drm_crtc_helper_set_mode(encoder->crtc,
-                                                      &crtc->saved_mode,
-                                                      encoder->crtc->x,
-                                                      encoder->crtc->y,
-                                                      encoder->crtc->fb))
-                                return -1;
-                }
-        } else if (!strcmp(property->name, "backlight") && encoder) {
-                if (drm_connector_property_set_value(connector,
-                                                        property,
-                                                        value))
-                        return -1;
-                else {
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-                        struct drm_psb_private *dev_priv =
-                                                encoder->dev->dev_private;
-                        struct backlight_device *bd =
-                                                dev_priv->backlight_device;
-                        bd->props.brightness = value;
-                        backlight_update_status(bd);
-#endif
-                }
-        } else if (!strcmp(property->name, "DPMS") && encoder) {
-                struct drm_encoder_helper_funcs *helpers =
-                                        encoder->helper_private;
-                helpers->dpms(encoder, value);
-        }
-        return 0;
-}
-
-static const struct drm_encoder_helper_funcs
-                                        cdv_intel_lvds_helper_funcs = {
-        .dpms = cdv_intel_lvds_encoder_dpms,
-        .mode_fixup = cdv_intel_lvds_mode_fixup,
-        .prepare = cdv_intel_lvds_prepare,
-        .mode_set = cdv_intel_lvds_mode_set,
-        .commit = cdv_intel_lvds_commit,
-};
-
-static const struct drm_connector_helper_funcs
-                                cdv_intel_lvds_connector_helper_funcs = {
-        .get_modes = cdv_intel_lvds_get_modes,
-        .mode_valid = cdv_intel_lvds_mode_valid,
-        .best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = {
-        .dpms = drm_helper_connector_dpms,
-        .save = cdv_intel_lvds_save,
-        .restore = cdv_intel_lvds_restore,
-        .detect = cdv_intel_lvds_detect,
-        .fill_modes = drm_helper_probe_single_connector_modes,
-        .set_property = cdv_intel_lvds_set_property,
-        .destroy = cdv_intel_lvds_destroy,
-};
-
-
-static void cdv_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
-        drm_encoder_cleanup(encoder);
-}
-
-const struct drm_encoder_funcs cdv_intel_lvds_enc_funcs = {
-        .destroy = cdv_intel_lvds_enc_destroy,
-};
-
-/**
- * cdv_intel_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void cdv_intel_lvds_init(struct drm_device *dev,
-                     struct psb_intel_mode_device *mode_dev)
-{
-        struct psb_intel_output *psb_intel_output;
-        struct cdv_intel_lvds_priv *lvds_priv;
-        struct drm_connector *connector;
-        struct drm_encoder *encoder;
-        struct drm_display_mode *scan;
-        struct drm_crtc *crtc;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 lvds;
-        int pipe;
-
-        psb_intel_output = kzalloc(sizeof(struct psb_intel_output) +
-                        sizeof(struct cdv_intel_lvds_priv), GFP_KERNEL);
-        if (!psb_intel_output)
-                return;
-
-        lvds_priv = (struct cdv_intel_lvds_priv *)(psb_intel_output + 1);
-
-        psb_intel_output->dev_priv = lvds_priv;
-
-        psb_intel_output->mode_dev = mode_dev;
-        connector = &psb_intel_output->base;
-        encoder = &psb_intel_output->enc;
-
-
-        drm_connector_init(dev, &psb_intel_output->base,
-                           &cdv_intel_lvds_connector_funcs,
-                           DRM_MODE_CONNECTOR_LVDS);
-
-        drm_encoder_init(dev, &psb_intel_output->enc,
-                         &cdv_intel_lvds_enc_funcs,
-                         DRM_MODE_ENCODER_LVDS);
-
-
-        drm_mode_connector_attach_encoder(&psb_intel_output->base,
-                                          &psb_intel_output->enc);
-        psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-        drm_encoder_helper_add(encoder, &cdv_intel_lvds_helper_funcs);
-        drm_connector_helper_add(connector,
-                                 &cdv_intel_lvds_connector_helper_funcs);
-        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-        connector->interlace_allowed = false;
-        connector->doublescan_allowed = false;
-
-        /*Attach connector properties*/
-        drm_connector_attach_property(connector,
-                                      dev->mode_config.scaling_mode_property,
-                                      DRM_MODE_SCALE_FULLSCREEN);
-        drm_connector_attach_property(connector,
-                                      dev_priv->backlight_property,
-                                      BRIGHTNESS_MAX_LEVEL);
-
-        /**
-         * Set up I2C bus
-         * FIXME: distroy i2c_bus when exit
-         */
-        psb_intel_output->i2c_bus = psb_intel_i2c_create(dev,
-                                                         GPIOB,
-                                                         "LVDSBLC_B");
-        if (!psb_intel_output->i2c_bus) {
-                dev_printk(KERN_ERR,
-                        &dev->pdev->dev, "I2C bus registration failed.\n");
-                goto failed_blc_i2c;
-        }
-        psb_intel_output->i2c_bus->slave_addr = 0x2C;
-        dev_priv->lvds_i2c_bus =  psb_intel_output->i2c_bus;
-
-        /*
-         * LVDS discovery:
-         * 1) check for EDID on DDC
-         * 2) check for VBT data
-         * 3) check to see if LVDS is already on
-         *    if none of the above, no panel
-         * 4) make sure lid is open
-         *    if closed, act like it's not there for now
-         */
-
-        /* Set up the DDC bus. */
-        psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-                                                         GPIOC,
-                                                         "LVDSDDC_C");
-        if (!psb_intel_output->ddc_bus) {
-                dev_printk(KERN_ERR, &dev->pdev->dev,
-                           "DDC bus registration " "failed.\n");
-                goto failed_ddc;
-        }
-
-        /*
-         * Attempt to get the fixed panel mode from DDC.  Assume that the
-         * preferred mode is the right one.
-         */
-        psb_intel_ddc_get_modes(psb_intel_output);
-        list_for_each_entry(scan, &connector->probed_modes, head) {
-                if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-                        mode_dev->panel_fixed_mode =
-                            drm_mode_duplicate(dev, scan);
-                        goto out;       /* FIXME: check for quirks */
-                }
-        }
-
-        /* Failed to get EDID, what about VBT? do we need this?*/
-        if (dev_priv->lfp_lvds_vbt_mode) {
-                mode_dev->panel_fixed_mode =
-                        drm_mode_duplicate(dev, dev_priv->lfp_lvds_vbt_mode);
-                if (mode_dev->panel_fixed_mode) {
-                        mode_dev->panel_fixed_mode->type |=
-                                DRM_MODE_TYPE_PREFERRED;
-                        goto out;       /* FIXME: check for quirks */
-                }
-        }
-        /*
-         * If we didn't get EDID, try checking if the panel is already turned
-         * on.  If so, assume that whatever is currently programmed is the
-         * correct mode.
-         */
-        lvds = REG_READ(LVDS);
-        pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
-        crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
-
-        if (crtc && (lvds & LVDS_PORT_EN)) {
-                mode_dev->panel_fixed_mode =
-                    cdv_intel_crtc_mode_get(dev, crtc);
-                if (mode_dev->panel_fixed_mode) {
-                        mode_dev->panel_fixed_mode->type |=
-                            DRM_MODE_TYPE_PREFERRED;
-                        goto out;       /* FIXME: check for quirks */
-                }
-        }
-
-        /* If we still don't have a mode after all that, give up. */
-        if (!mode_dev->panel_fixed_mode) {
-                DRM_DEBUG
-                        ("Found no modes on the lvds, ignoring the LVDS\n");
-                goto failed_find;
-        }
-
-out:
-        drm_sysfs_connector_add(connector);
-        return;
-
-failed_find:
-        printk(KERN_ERR "Failed find\n");
-        if (psb_intel_output->ddc_bus)
-                psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-failed_ddc:
-        printk(KERN_ERR "Failed DDC\n");
-        if (psb_intel_output->i2c_bus)
-                psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-failed_blc_i2c:
-        printk(KERN_ERR "Failed BLC\n");
-        drm_encoder_cleanup(encoder);
-        drm_connector_cleanup(connector);
-        kfree(connector);
-}
diff --git a/drivers/staging/gma500/displays/hdmi.h b/drivers/staging/gma500/displays/hdmi.h
deleted file mode 100644
index d58ba9bd010f..000000000000
--- a/drivers/staging/gma500/displays/hdmi.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef HDMI_H
-#define HDMI_H
-
-extern void hdmi_init(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/pyr_cmd.h b/drivers/staging/gma500/displays/pyr_cmd.h
deleted file mode 100644
index 84bae5c8c552..000000000000
--- a/drivers/staging/gma500/displays/pyr_cmd.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef PYR_CMD_H
-#define PYR_CMD_H
-
-extern void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-
-#endif
-
diff --git a/drivers/staging/gma500/displays/pyr_vid.h b/drivers/staging/gma500/displays/pyr_vid.h
deleted file mode 100644
index ce98860fa68a..000000000000
--- a/drivers/staging/gma500/displays/pyr_vid.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef PYR_VID_H
-#define PYR_VID_H
-
-extern void pyr_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *pyr_vid_get_config_mode(struct drm_device* dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tmd_cmd.h b/drivers/staging/gma500/displays/tmd_cmd.h
deleted file mode 100644
index 641e85eedece..000000000000
--- a/drivers/staging/gma500/displays/tmd_cmd.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef TMD_CMD_H
-#define TMD_CMD_H
-
-extern void tmd_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *tmd_cmd_get_config_mode(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tmd_vid.h b/drivers/staging/gma500/displays/tmd_vid.h
deleted file mode 100644
index 7a5fa3b935e3..000000000000
--- a/drivers/staging/gma500/displays/tmd_vid.h
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef TMD_VID_H
-#define TMD_VID_H
-
-extern void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-extern struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/displays/tpo_cmd.h b/drivers/staging/gma500/displays/tpo_cmd.h
deleted file mode 100644
index 610552730d71..000000000000
--- a/drivers/staging/gma500/displays/tpo_cmd.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef TPO_CMD_H
-#define TPO_CMD_H
-
-extern void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-/* extern struct drm_display_mode * */
-/* tpo_cmd_get_config_mode(struct drm_device *dev); */
-
-#endif
diff --git a/drivers/staging/gma500/displays/tpo_vid.h b/drivers/staging/gma500/displays/tpo_vid.h
deleted file mode 100644
index c24f05722de1..000000000000
--- a/drivers/staging/gma500/displays/tpo_vid.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#ifndef TPO_VID_H
-#define TPO_VID_H
-
-extern void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs);
-
-#endif
diff --git a/drivers/staging/gma500/framebuffer.c b/drivers/staging/gma500/framebuffer.c
deleted file mode 100644
index b00761cba144..000000000000
--- a/drivers/staging/gma500/framebuffer.c
+++ /dev/null
@@ -1,856 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/mm.h>
-#include <linux/tty.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-#include <linux/fb.h>
-#include <linux/init.h>
-#include <linux/console.h>
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_fb_helper.h>
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_drv.h"
-#include "framebuffer.h"
-#include "gtt.h"
-
-#include "mdfld_output.h"
-
-static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb);
-static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
-                                              struct drm_file *file_priv,
-                                              unsigned int *handle);
-
-static const struct drm_framebuffer_funcs psb_fb_funcs = {
-        .destroy = psb_user_framebuffer_destroy,
-        .create_handle = psb_user_framebuffer_create_handle,
-};
-
-#define CMAP_TOHW(_val, _width) ((((_val) << (_width)) + 0x7FFF - (_val)) >> 16)
-
-static int psbfb_setcolreg(unsigned regno, unsigned red, unsigned green,
-                           unsigned blue, unsigned transp,
-                           struct fb_info *info)
-{
-        struct psb_fbdev *fbdev = info->par;
-        struct drm_framebuffer *fb = fbdev->psb_fb_helper.fb;
-        uint32_t v;
-
-        if (!fb)
-                return -ENOMEM;
-
-        if (regno > 255)
-                return 1;
-
-        red = CMAP_TOHW(red, info->var.red.length);
-        blue = CMAP_TOHW(blue, info->var.blue.length);
-        green = CMAP_TOHW(green, info->var.green.length);
-        transp = CMAP_TOHW(transp, info->var.transp.length);
-
-        v = (red << info->var.red.offset) |
-            (green << info->var.green.offset) |
-            (blue << info->var.blue.offset) |
-            (transp << info->var.transp.offset);
-
-        if (regno < 16) {
-                switch (fb->bits_per_pixel) {
-                case 16:
-                        ((uint32_t *) info->pseudo_palette)[regno] = v;
-                        break;
-                case 24:
-                case 32:
-                        ((uint32_t *) info->pseudo_palette)[regno] = v;
-                        break;
-                }
-        }
-
-        return 0;
-}
-
-static int psbfb_pan(struct fb_var_screeninfo *var, struct fb_info *info)
-{
-        struct psb_fbdev *fbdev = info->par;
-        struct psb_framebuffer *psbfb = &fbdev->pfb;
-        struct drm_device *dev = psbfb->base.dev;
-
-        /*
-         *      We have to poke our nose in here. The core fb code assumes
-         *      panning is part of the hardware that can be invoked before
-         *      the actual fb is mapped. In our case that isn't quite true.
-         */
-        if (psbfb->gtt->npage)
-                psb_gtt_roll(dev, psbfb->gtt, var->yoffset);
-        return 0;
-}
-
-void psbfb_suspend(struct drm_device *dev)
-{
-        struct drm_framebuffer *fb = 0;
-        struct psb_framebuffer *psbfb = to_psb_fb(fb);
-
-        console_lock();
-        mutex_lock(&dev->mode_config.mutex);
-        list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
-                struct fb_info *info = psbfb->fbdev;
-                fb_set_suspend(info, 1);
-                drm_fb_helper_blank(FB_BLANK_POWERDOWN, info);
-        }
-        mutex_unlock(&dev->mode_config.mutex);
-        console_unlock();
-}
-
-void psbfb_resume(struct drm_device *dev)
-{
-        struct drm_framebuffer *fb = 0;
-        struct psb_framebuffer *psbfb = to_psb_fb(fb);
-
-        console_lock();
-        mutex_lock(&dev->mode_config.mutex);
-        list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
-                struct fb_info *info = psbfb->fbdev;
-                fb_set_suspend(info, 0);
-                drm_fb_helper_blank(FB_BLANK_UNBLANK, info);
-        }
-        mutex_unlock(&dev->mode_config.mutex);
-        console_unlock();
-        drm_helper_disable_unused_functions(dev);
-}
-
-static int psbfb_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-        struct psb_framebuffer *psbfb = vma->vm_private_data;
-        struct drm_device *dev = psbfb->base.dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int page_num;
-        int i;
-        unsigned long address;
-        int ret;
-        unsigned long pfn;
-        /* FIXME: assumes fb at stolen base which may not be true */
-        unsigned long phys_addr = (unsigned long)dev_priv->stolen_base;
-
-        page_num = (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
-        address = (unsigned long)vmf->virtual_address;
-
-        vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
-
-        for (i = 0; i < page_num; i++) {
-                pfn = (phys_addr >> PAGE_SHIFT);
-
-                ret = vm_insert_mixed(vma, address, pfn);
-                if (unlikely((ret == -EBUSY) || (ret != 0 && i > 0)))
-                        break;
-                else if (unlikely(ret != 0)) {
-                        ret = (ret == -ENOMEM) ? VM_FAULT_OOM : VM_FAULT_SIGBUS;
-                        return ret;
-                }
-                address += PAGE_SIZE;
-                phys_addr += PAGE_SIZE;
-        }
-        return VM_FAULT_NOPAGE;
-}
-
-static void psbfb_vm_open(struct vm_area_struct *vma)
-{
-}
-
-static void psbfb_vm_close(struct vm_area_struct *vma)
-{
-}
-
-static struct vm_operations_struct psbfb_vm_ops = {
-        .fault  = psbfb_vm_fault,
-        .open   = psbfb_vm_open,
-        .close  = psbfb_vm_close
-};
-
-static int psbfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
-{
-        struct psb_fbdev *fbdev = info->par;
-        struct psb_framebuffer *psbfb = &fbdev->pfb;
-
-        if (vma->vm_pgoff != 0)
-                return -EINVAL;
-        if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
-                return -EINVAL;
-
-        if (!psbfb->addr_space)
-                psbfb->addr_space = vma->vm_file->f_mapping;
-        /*
-         * If this is a GEM object then info->screen_base is the virtual
-         * kernel remapping of the object. FIXME: Review if this is
-         * suitable for our mmap work
-         */
-        vma->vm_ops = &psbfb_vm_ops;
-        vma->vm_private_data = (void *)psbfb;
-        vma->vm_flags |= VM_RESERVED | VM_IO |
-                                        VM_MIXEDMAP | VM_DONTEXPAND;
-        return 0;
-}
-
-static int psbfb_ioctl(struct fb_info *info, unsigned int cmd,
-                                                unsigned long arg)
-{
-        return -ENOTTY;
-}
-
-static struct fb_ops psbfb_ops = {
-        .owner = THIS_MODULE,
-        .fb_check_var = drm_fb_helper_check_var,
-        .fb_set_par = drm_fb_helper_set_par,
-        .fb_blank = drm_fb_helper_blank,
-        .fb_setcolreg = psbfb_setcolreg,
-        .fb_fillrect = cfb_fillrect,
-        .fb_copyarea = psbfb_copyarea,
-        .fb_imageblit = cfb_imageblit,
-        .fb_mmap = psbfb_mmap,
-        .fb_sync = psbfb_sync,
-        .fb_ioctl = psbfb_ioctl,
-};
-
-static struct fb_ops psbfb_roll_ops = {
-        .owner = THIS_MODULE,
-        .fb_check_var = drm_fb_helper_check_var,
-        .fb_set_par = drm_fb_helper_set_par,
-        .fb_blank = drm_fb_helper_blank,
-        .fb_setcolreg = psbfb_setcolreg,
-        .fb_fillrect = cfb_fillrect,
-        .fb_copyarea = cfb_copyarea,
-        .fb_imageblit = cfb_imageblit,
-        .fb_pan_display = psbfb_pan,
-        .fb_mmap = psbfb_mmap,
-        .fb_sync = psbfb_sync,
-        .fb_ioctl = psbfb_ioctl,
-};
-
-static struct fb_ops psbfb_unaccel_ops = {
-        .owner = THIS_MODULE,
-        .fb_check_var = drm_fb_helper_check_var,
-        .fb_set_par = drm_fb_helper_set_par,
-        .fb_blank = drm_fb_helper_blank,
-        .fb_setcolreg = psbfb_setcolreg,
-        .fb_fillrect = cfb_fillrect,
-        .fb_copyarea = cfb_copyarea,
-        .fb_imageblit = cfb_imageblit,
-        .fb_mmap = psbfb_mmap,
-        .fb_ioctl = psbfb_ioctl,
-};
-
-/**
- *      psb_framebuffer_init    -       initialize a framebuffer
- *      @dev: our DRM device
- *      @fb: framebuffer to set up
- *      @mode_cmd: mode description
- *      @gt: backing object
- *
- *      Configure and fill in the boilerplate for our frame buffer. Return
- *      0 on success or an error code if we fail.
- */
-static int psb_framebuffer_init(struct drm_device *dev,
-                                        struct psb_framebuffer *fb,
-                                        struct drm_mode_fb_cmd2 *mode_cmd,
-                                        struct gtt_range *gt)
-{
-        u32 bpp, depth;
-        int ret;
-
-        drm_fb_get_bpp_depth(mode_cmd->pixel_format, &depth, &bpp);
-
-        if (mode_cmd->pitches[0] & 63)
-                return -EINVAL;
-        switch (bpp) {
-        case 8:
-        case 16:
-        case 24:
-        case 32:
-                break;
-        default:
-                return -EINVAL;
-        }
-        ret = drm_framebuffer_init(dev, &fb->base, &psb_fb_funcs);
-        if (ret) {
-                dev_err(dev->dev, "framebuffer init failed: %d\n", ret);
-                return ret;
-        }
-        drm_helper_mode_fill_fb_struct(&fb->base, mode_cmd);
-        fb->gtt = gt;
-        return 0;
-}
-
-/**
- *      psb_framebuffer_create  -       create a framebuffer backed by gt
- *      @dev: our DRM device
- *      @mode_cmd: the description of the requested mode
- *      @gt: the backing object
- *
- *      Create a framebuffer object backed by the gt, and fill in the
- *      boilerplate required
- *
- *      TODO: review object references
- */
-
-static struct drm_framebuffer *psb_framebuffer_create
-                        (struct drm_device *dev,
-                         struct drm_mode_fb_cmd2 *mode_cmd,
-                         struct gtt_range *gt)
-{
-        struct psb_framebuffer *fb;
-        int ret;
-
-        fb = kzalloc(sizeof(*fb), GFP_KERNEL);
-        if (!fb)
-                return ERR_PTR(-ENOMEM);
-
-        ret = psb_framebuffer_init(dev, fb, mode_cmd, gt);
-        if (ret) {
-                kfree(fb);
-                return ERR_PTR(ret);
-        }
-        return &fb->base;
-}
-
-/**
- *      psbfb_alloc             -       allocate frame buffer memory
- *      @dev: the DRM device
- *      @aligned_size: space needed
- *      @force: fall back to GEM buffers if need be
- *
- *      Allocate the frame buffer. In the usual case we get a GTT range that
- *      is stolen memory backed and life is simple. If there isn't sufficient
- *      stolen memory or the system has no stolen memory we allocate a range
- *      and back it with a GEM object.
- *
- *      In this case the GEM object has no handle.
- */
-static struct gtt_range *psbfb_alloc(struct drm_device *dev,
-                                                int aligned_size, int force)
-{
-        struct gtt_range *backing;
-        /* Begin by trying to use stolen memory backing */
-        backing = psb_gtt_alloc_range(dev, aligned_size, "fb", 1);
-        if (backing) {
-                if (drm_gem_private_object_init(dev,
-                                        &backing->gem, aligned_size) == 0)
-                        return backing;
-                psb_gtt_free_range(dev, backing);
-        }
-        if (!force)
-                return NULL;
-
-        /* Next try using GEM host memory */
-        backing = psb_gtt_alloc_range(dev, aligned_size, "fb(gem)", 0);
-        if (backing == NULL)
-                return NULL;
-
-        /* Now back it with an object */
-        if (drm_gem_object_init(dev, &backing->gem, aligned_size) != 0) {
-                psb_gtt_free_range(dev, backing);
-                return NULL;
-        }
-        return backing;
-}
-
-/**
- *      psbfb_create            -       create a framebuffer
- *      @fbdev: the framebuffer device
- *      @sizes: specification of the layout
- *
- *      Create a framebuffer to the specifications provided
- */
-static int psbfb_create(struct psb_fbdev *fbdev,
-                                struct drm_fb_helper_surface_size *sizes)
-{
-        struct drm_device *dev = fbdev->psb_fb_helper.dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct fb_info *info;
-        struct drm_framebuffer *fb;
-        struct psb_framebuffer *psbfb = &fbdev->pfb;
-        struct drm_mode_fb_cmd2 mode_cmd;
-        struct device *device = &dev->pdev->dev;
-        int size;
-        int ret;
-        struct gtt_range *backing;
-        int gtt_roll = 1;
-        u32 bpp, depth;
-
-        mode_cmd.width = sizes->surface_width;
-        mode_cmd.height = sizes->surface_height;
-        bpp = sizes->surface_bpp;
-
-        /* No 24bit packed */
-        if (bpp == 24)
-                bpp = 32;
-
-        /* Acceleration via the GTT requires pitch to be 4096 byte aligned 
-           (ie 1024 or 2048 pixels in normal use) */
-        mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 4096);
-        depth = sizes->surface_depth;
-
-        size = mode_cmd.pitches[0] * mode_cmd.height;
-        size = ALIGN(size, PAGE_SIZE);
-
-        /* Allocate the framebuffer in the GTT with stolen page backing */
-        backing = psbfb_alloc(dev, size, 0);
-        if (backing == NULL) {
-                /*
-                 *      We couldn't get the space we wanted, fall back to the
-                 *      display engine requirement instead.  The HW requires
-                 *      the pitch to be 64 byte aligned
-                 */
-
-                gtt_roll = 0;   /* Don't use GTT accelerated scrolling */
-
-                mode_cmd.pitches[0] =  ALIGN(mode_cmd.width * ((bpp + 7) / 8), 64);
-                depth = sizes->surface_depth;
-
-                size = mode_cmd.pitches[0] * mode_cmd.height;
-                size = ALIGN(size, PAGE_SIZE);
-
-                /* Allocate the framebuffer in the GTT with stolen page
-                   backing when there is room */
-                backing = psbfb_alloc(dev, size, 1);
-                if (backing == NULL)
-                        return -ENOMEM;
-        }
-
-        mutex_lock(&dev->struct_mutex);
-
-        info = framebuffer_alloc(0, device);
-        if (!info) {
-                ret = -ENOMEM;
-                goto out_err1;
-        }
-        info->par = fbdev;
-
-        mode_cmd.pixel_format = drm_mode_legacy_fb_format(bpp, depth);
-
-        ret = psb_framebuffer_init(dev, psbfb, &mode_cmd, backing);
-        if (ret)
-                goto out_unref;
-
-        fb = &psbfb->base;
-        psbfb->fbdev = info;
-
-        fbdev->psb_fb_helper.fb = fb;
-        fbdev->psb_fb_helper.fbdev = info;
-
-        strcpy(info->fix.id, "psbfb");
-
-        info->flags = FBINFO_DEFAULT;
-        if (gtt_roll) { /* GTT rolling seems best */
-                info->fbops = &psbfb_roll_ops;
-                info->flags |= FBINFO_HWACCEL_YPAN;
-        }
-        else if (dev_priv->ops->accel_2d)       /* 2D engine */
-                info->fbops = &psbfb_ops;
-        else    /* Software */
-                info->fbops = &psbfb_unaccel_ops;
-
-        ret = fb_alloc_cmap(&info->cmap, 256, 0);
-        if (ret) {
-                ret = -ENOMEM;
-                goto out_unref;
-        }
-
-        info->fix.smem_start = dev->mode_config.fb_base;
-        info->fix.smem_len = size;
-        info->fix.ywrapstep = gtt_roll;
-        info->fix.ypanstep = gtt_roll;
-
-        if (backing->stolen) {
-                /* Accessed stolen memory directly */
-                info->screen_base = (char *)dev_priv->vram_addr +
-                                                        backing->offset;
-        } else {
-                /* Pin the pages into the GTT and create a mapping to them */
-                psb_gtt_pin(backing);
-                info->screen_base = vm_map_ram(backing->pages, backing->npage,
-                                -1, PAGE_KERNEL);
-                if (info->screen_base == NULL) {
-                        psb_gtt_unpin(backing);
-                        ret = -ENOMEM;
-                        goto out_unref;
-                }
-                psbfb->vm_map = 1;
-        }
-        info->screen_size = size;
-
-        if (dev_priv->gtt.stolen_size) {
-                info->apertures = alloc_apertures(1);
-                if (!info->apertures) {
-                        ret = -ENOMEM;
-                        goto out_unref;
-                }
-                info->apertures->ranges[0].base = dev->mode_config.fb_base;
-                info->apertures->ranges[0].size = dev_priv->gtt.stolen_size;
-        }
-
-        drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth);
-        drm_fb_helper_fill_var(info, &fbdev->psb_fb_helper,
-                                sizes->fb_width, sizes->fb_height);
-
-        info->fix.mmio_start = pci_resource_start(dev->pdev, 0);
-        info->fix.mmio_len = pci_resource_len(dev->pdev, 0);
-
-        info->pixmap.size = 64 * 1024;
-        info->pixmap.buf_align = 8;
-        info->pixmap.access_align = 32;
-        info->pixmap.flags = FB_PIXMAP_SYSTEM;
-        info->pixmap.scan_align = 1;
-
-        dev_info(dev->dev, "allocated %dx%d fb\n",
-                                        psbfb->base.width, psbfb->base.height);
-
-        mutex_unlock(&dev->struct_mutex);
-        return 0;
-out_unref:
-        if (backing->stolen)
-                psb_gtt_free_range(dev, backing);
-        else {
-                if (psbfb->vm_map)
-                        vm_unmap_ram(info->screen_base, backing->npage);
-                drm_gem_object_unreference(&backing->gem);
-        }
-out_err1:
-        mutex_unlock(&dev->struct_mutex);
-        psb_gtt_free_range(dev, backing);
-        return ret;
-}
-
-/**
- *      psb_user_framebuffer_create     -       create framebuffer
- *      @dev: our DRM device
- *      @filp: client file
- *      @cmd: mode request
- *
- *      Create a new framebuffer backed by a userspace GEM object
- */
-static struct drm_framebuffer *psb_user_framebuffer_create
-                        (struct drm_device *dev, struct drm_file *filp,
-                         struct drm_mode_fb_cmd2 *cmd)
-{
-        struct gtt_range *r;
-        struct drm_gem_object *obj;
-
-        /*
-         *      Find the GEM object and thus the gtt range object that is
-         *      to back this space
-         */
-        obj = drm_gem_object_lookup(dev, filp, cmd->handles[0]);
-        if (obj == NULL)
-                return ERR_PTR(-ENOENT);
-
-        /* Let the core code do all the work */
-        r = container_of(obj, struct gtt_range, gem);
-        return psb_framebuffer_create(dev, cmd, r);
-}
-
-static void psbfb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green,
-                                                        u16 blue, int regno)
-{
-}
-
-static void psbfb_gamma_get(struct drm_crtc *crtc, u16 *red,
-                                        u16 *green, u16 *blue, int regno)
-{
-}
-
-static int psbfb_probe(struct drm_fb_helper *helper,
-                                struct drm_fb_helper_surface_size *sizes)
-{
-        struct psb_fbdev *psb_fbdev = (struct psb_fbdev *)helper;
-        int new_fb = 0;
-        int ret;
-
-        if (!helper->fb) {
-                ret = psbfb_create(psb_fbdev, sizes);
-                if (ret)
-                        return ret;
-                new_fb = 1;
-        }
-        return new_fb;
-}
-
-struct drm_fb_helper_funcs psb_fb_helper_funcs = {
-        .gamma_set = psbfb_gamma_set,
-        .gamma_get = psbfb_gamma_get,
-        .fb_probe = psbfb_probe,
-};
-
-int psb_fbdev_destroy(struct drm_device *dev, struct psb_fbdev *fbdev)
-{
-        struct fb_info *info;
-        struct psb_framebuffer *psbfb = &fbdev->pfb;
-
-        if (fbdev->psb_fb_helper.fbdev) {
-                info = fbdev->psb_fb_helper.fbdev;
-
-                /* If this is our base framebuffer then kill any virtual map
-                   for the framebuffer layer and unpin it */
-                if (psbfb->vm_map) {
-                        vm_unmap_ram(info->screen_base, psbfb->gtt->npage);
-                        psb_gtt_unpin(psbfb->gtt);
-                }
-                unregister_framebuffer(info);
-                if (info->cmap.len)
-                        fb_dealloc_cmap(&info->cmap);
-                framebuffer_release(info);
-        }
-        drm_fb_helper_fini(&fbdev->psb_fb_helper);
-        drm_framebuffer_cleanup(&psbfb->base);
-
-        if (psbfb->gtt)
-                drm_gem_object_unreference(&psbfb->gtt->gem);
-        return 0;
-}
-
-int psb_fbdev_init(struct drm_device *dev)
-{
-        struct psb_fbdev *fbdev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        fbdev = kzalloc(sizeof(struct psb_fbdev), GFP_KERNEL);
-        if (!fbdev) {
-                dev_err(dev->dev, "no memory\n");
-                return -ENOMEM;
-        }
-
-        dev_priv->fbdev = fbdev;
-        fbdev->psb_fb_helper.funcs = &psb_fb_helper_funcs;
-
-        drm_fb_helper_init(dev, &fbdev->psb_fb_helper, dev_priv->ops->crtcs,
-                                                        INTELFB_CONN_LIMIT);
-
-        drm_fb_helper_single_add_all_connectors(&fbdev->psb_fb_helper);
-        drm_fb_helper_initial_config(&fbdev->psb_fb_helper, 32);
-        return 0;
-}
-
-void psb_fbdev_fini(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (!dev_priv->fbdev)
-                return;
-
-        psb_fbdev_destroy(dev, dev_priv->fbdev);
-        kfree(dev_priv->fbdev);
-        dev_priv->fbdev = NULL;
-}
-
-static void psbfb_output_poll_changed(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_fbdev *fbdev = (struct psb_fbdev *)dev_priv->fbdev;
-        drm_fb_helper_hotplug_event(&fbdev->psb_fb_helper);
-}
-
-/**
- *      psb_user_framebuffer_create_handle - add hamdle to a framebuffer
- *      @fb: framebuffer
- *      @file_priv: our DRM file
- *      @handle: returned handle
- *
- *      Our framebuffer object is a GTT range which also contains a GEM
- *      object. We need to turn it into a handle for userspace. GEM will do
- *      the work for us
- */
-static int psb_user_framebuffer_create_handle(struct drm_framebuffer *fb,
-                                              struct drm_file *file_priv,
-                                              unsigned int *handle)
-{
-        struct psb_framebuffer *psbfb = to_psb_fb(fb);
-        struct gtt_range *r = psbfb->gtt;
-        return drm_gem_handle_create(file_priv, &r->gem, handle);
-}
-
-/**
- *      psb_user_framebuffer_destroy    -       destruct user created fb
- *      @fb: framebuffer
- *
- *      User framebuffers are backed by GEM objects so all we have to do is
- *      clean up a bit and drop the reference, GEM will handle the fallout
- */
-static void psb_user_framebuffer_destroy(struct drm_framebuffer *fb)
-{
-        struct psb_framebuffer *psbfb = to_psb_fb(fb);
-        struct gtt_range *r = psbfb->gtt;
-        struct drm_device *dev = fb->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_fbdev *fbdev = dev_priv->fbdev;
-        struct drm_crtc *crtc;
-        int reset = 0;
-
-        /* Should never get stolen memory for a user fb */
-        WARN_ON(r->stolen);
-
-        /* Check if we are erroneously live */
-        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
-                if (crtc->fb == fb)
-                        reset = 1;
-
-        if (reset)
-                /*
-                 * Now force a sane response before we permit the DRM CRTC
-                 * layer to do stupid things like blank the display. Instead
-                 * we reset this framebuffer as if the user had forced a reset.
-                 * We must do this before the cleanup so that the DRM layer
-                 * doesn't get a chance to stick its oar in where it isn't
-                 * wanted.
-                 */
-                drm_fb_helper_restore_fbdev_mode(&fbdev->psb_fb_helper);
-
-        /* Let DRM do its clean up */
-        drm_framebuffer_cleanup(fb);
-        /*  We are no longer using the resource in GEM */
-        drm_gem_object_unreference_unlocked(&r->gem);
-        kfree(fb);
-}
-
-static const struct drm_mode_config_funcs psb_mode_funcs = {
-        .fb_create = psb_user_framebuffer_create,
-        .output_poll_changed = psbfb_output_poll_changed,
-};
-
-static int psb_create_backlight_property(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_property *backlight;
-
-        if (dev_priv->backlight_property)
-                return 0;
-
-        backlight = drm_property_create(dev, DRM_MODE_PROP_RANGE,
-                                                        "backlight", 2);
-        backlight->values[0] = 0;
-        backlight->values[1] = 100;
-
-        dev_priv->backlight_property = backlight;
-
-        return 0;
-}
-
-static void psb_setup_outputs(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_connector *connector;
-
-        drm_mode_create_scaling_mode_property(dev);
-        psb_create_backlight_property(dev);
-
-        dev_priv->ops->output_init(dev);
-
-        list_for_each_entry(connector, &dev->mode_config.connector_list,
-                            head) {
-                struct psb_intel_output *psb_intel_output =
-                    to_psb_intel_output(connector);
-                struct drm_encoder *encoder = &psb_intel_output->enc;
-                int crtc_mask = 0, clone_mask = 0;
-
-                /* valid crtcs */
-                switch (psb_intel_output->type) {
-                case INTEL_OUTPUT_ANALOG:
-                        crtc_mask = (1 << 0);
-                        clone_mask = (1 << INTEL_OUTPUT_ANALOG);
-                        break;
-                case INTEL_OUTPUT_SDVO:
-                        crtc_mask = ((1 << 0) | (1 << 1));
-                        clone_mask = (1 << INTEL_OUTPUT_SDVO);
-                        break;
-                case INTEL_OUTPUT_LVDS:
-                        if (IS_MRST(dev))
-                                crtc_mask = (1 << 0);
-                        else
-                                crtc_mask = (1 << 1);
-                        clone_mask = (1 << INTEL_OUTPUT_LVDS);
-                        break;
-                case INTEL_OUTPUT_MIPI:
-                        crtc_mask = (1 << 0);
-                        clone_mask = (1 << INTEL_OUTPUT_MIPI);
-                        break;
-                case INTEL_OUTPUT_MIPI2:
-                        crtc_mask = (1 << 2);
-                        clone_mask = (1 << INTEL_OUTPUT_MIPI2);
-                        break;
-                case INTEL_OUTPUT_HDMI:
-                        /* HDMI on crtc 1 for SoC devices and crtc 0 for
-                           Cedarview. HDMI on Poulsbo is only via external
-                           logic */
-                        if (IS_MFLD(dev) || IS_MRST(dev))
-                                crtc_mask = (1 << 1);
-                        else
-                                crtc_mask = (1 << 0);   /* Cedarview */
-                        clone_mask = (1 << INTEL_OUTPUT_HDMI);
-                        break;
-                }
-                encoder->possible_crtcs = crtc_mask;
-                encoder->possible_clones =
-                    psb_intel_connector_clones(dev, clone_mask);
-        }
-}
-
-void psb_modeset_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-        struct psb_intel_mode_device *mode_dev = &dev_priv->mode_dev;
-        int i;
-
-        drm_mode_config_init(dev);
-
-        dev->mode_config.min_width = 0;
-        dev->mode_config.min_height = 0;
-
-        dev->mode_config.funcs = (void *) &psb_mode_funcs;
-
-        /* set memory base */
-        /* MRST and PSB should use BAR 2*/
-        pci_read_config_dword(dev->pdev, PSB_BSM, (u32 *)
-                                        &(dev->mode_config.fb_base));
-
-        /* num pipes is 2 for PSB but 1 for Mrst */
-        for (i = 0; i < dev_priv->num_pipe; i++)
-                psb_intel_crtc_init(dev, i, mode_dev);
-
-        dev->mode_config.max_width = 2048;
-        dev->mode_config.max_height = 2048;
-
-        psb_setup_outputs(dev);
-}
-
-void psb_modeset_cleanup(struct drm_device *dev)
-{
-        mutex_lock(&dev->struct_mutex);
-
-        drm_kms_helper_poll_fini(dev);
-        psb_fbdev_fini(dev);
-        drm_mode_config_cleanup(dev);
-
-        mutex_unlock(&dev->struct_mutex);
-}
diff --git a/drivers/staging/gma500/framebuffer.h b/drivers/staging/gma500/framebuffer.h
deleted file mode 100644
index d1b2289447f0..000000000000
--- a/drivers/staging/gma500/framebuffer.h
+++ /dev/null
@@ -1,48 +0,0 @@
-/*
- * Copyright (c) 2008-2011, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- *
- */
-
-#ifndef _FRAMEBUFFER_H_
-#define _FRAMEBUFFER_H_
-
-#include <drm/drmP.h>
-#include <drm/drm_fb_helper.h>
-
-#include "psb_drv.h"
-
-struct psb_framebuffer {
-        struct drm_framebuffer base;
-        struct address_space *addr_space;
-        struct fb_info *fbdev;
-        struct gtt_range *gtt;
-        bool vm_map;            /* True if we must undo a vm_map_ram */
-};
-
-struct psb_fbdev {
-        struct drm_fb_helper psb_fb_helper;
-        struct psb_framebuffer pfb;
-};
-
-#define to_psb_fb(x) container_of(x, struct psb_framebuffer, base)
-
-extern int psb_intel_connector_clones(struct drm_device *dev, int type_mask);
-
-#endif
-
diff --git a/drivers/staging/gma500/gem.c b/drivers/staging/gma500/gem.c
deleted file mode 100644
index f6433c037d24..000000000000
--- a/drivers/staging/gma500/gem.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- *  psb GEM interface
- *
- * Copyright (c) 2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Alan Cox
- *
- * TODO:
- *      -       we need to work out if the MMU is relevant (eg for
- *              accelerated operations on a GEM object)
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-
-int psb_gem_init_object(struct drm_gem_object *obj)
-{
-        return -EINVAL;
-}
-
-void psb_gem_free_object(struct drm_gem_object *obj)
-{
-        struct gtt_range *gtt = container_of(obj, struct gtt_range, gem);
-        drm_gem_object_release_wrap(obj);
-        /* This must occur last as it frees up the memory of the GEM object */
-        psb_gtt_free_range(obj->dev, gtt);
-}
-
-int psb_gem_get_aperture(struct drm_device *dev, void *data,
-                                struct drm_file *file)
-{
-        return -EINVAL;
-}
-
-/**
- *      psb_gem_dumb_map_gtt    -       buffer mapping for dumb interface
- *      @file: our drm client file
- *      @dev: drm device
- *      @handle: GEM handle to the object (from dumb_create)
- *
- *      Do the necessary setup to allow the mapping of the frame buffer
- *      into user memory. We don't have to do much here at the moment.
- */
-int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
-                         uint32_t handle, uint64_t *offset)
-{
-        int ret = 0;
-        struct drm_gem_object *obj;
-
-        if (!(dev->driver->driver_features & DRIVER_GEM))
-                return -ENODEV;
-
-        mutex_lock(&dev->struct_mutex);
-
-        /* GEM does all our handle to object mapping */
-        obj = drm_gem_object_lookup(dev, file, handle);
-        if (obj == NULL) {
-                ret = -ENOENT;
-                goto unlock;
-        }
-        /* What validation is needed here ? */
-
-        /* Make it mmapable */
-        if (!obj->map_list.map) {
-                ret = gem_create_mmap_offset(obj);
-                if (ret)
-                        goto out;
-        }
-        /* GEM should really work out the hash offsets for us */
-        *offset = (u64)obj->map_list.hash.key << PAGE_SHIFT;
-out:
-        drm_gem_object_unreference(obj);
-unlock:
-        mutex_unlock(&dev->struct_mutex);
-        return ret;
-}
-
-/**
- *      psb_gem_create          -       create a mappable object
- *      @file: the DRM file of the client
- *      @dev: our device
- *      @size: the size requested
- *      @handlep: returned handle (opaque number)
- *
- *      Create a GEM object, fill in the boilerplate and attach a handle to
- *      it so that userspace can speak about it. This does the core work
- *      for the various methods that do/will create GEM objects for things
- */
-static int psb_gem_create(struct drm_file *file,
-        struct drm_device *dev, uint64_t size, uint32_t *handlep)
-{
-        struct gtt_range *r;
-        int ret;
-        u32 handle;
-
-        size = roundup(size, PAGE_SIZE);
-
-        /* Allocate our object - for now a direct gtt range which is not
-           stolen memory backed */
-        r = psb_gtt_alloc_range(dev, size, "gem", 0);
-        if (r == NULL) {
-                dev_err(dev->dev, "no memory for %lld byte GEM object\n", size);
-                return -ENOSPC;
-        }
-        /* Initialize the extra goodies GEM needs to do all the hard work */
-        if (drm_gem_object_init(dev, &r->gem, size) != 0) {
-                psb_gtt_free_range(dev, r);
-                /* GEM doesn't give an error code so use -ENOMEM */
-                dev_err(dev->dev, "GEM init failed for %lld\n", size);
-                return -ENOMEM;
-        }
-        /* Give the object a handle so we can carry it more easily */
-        ret = drm_gem_handle_create(file, &r->gem, &handle);
-        if (ret) {
-                dev_err(dev->dev, "GEM handle failed for %p, %lld\n",
-                                                        &r->gem, size);
-                drm_gem_object_release(&r->gem);
-                psb_gtt_free_range(dev, r);
-                return ret;
-        }
-        /* We have the initial and handle reference but need only one now */
-        drm_gem_object_unreference(&r->gem);
-        *handlep = handle;
-        return 0;
-}
-
-/**
- *      psb_gem_dumb_create     -       create a dumb buffer
- *      @drm_file: our client file
- *      @dev: our device
- *      @args: the requested arguments copied from userspace
- *
- *      Allocate a buffer suitable for use for a frame buffer of the
- *      form described by user space. Give userspace a handle by which
- *      to reference it.
- */
-int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
-                        struct drm_mode_create_dumb *args)
-{
-        args->pitch = ALIGN(args->width * ((args->bpp + 7) / 8), 64);
-        args->size = args->pitch * args->height;
-        return psb_gem_create(file, dev, args->size, &args->handle);
-}
-
-/**
- *      psb_gem_dumb_destroy    -       destroy a dumb buffer
- *      @file: client file
- *      @dev: our DRM device
- *      @handle: the object handle
- *
- *      Destroy a handle that was created via psb_gem_dumb_create, at least
- *      we hope it was created that way. i915 seems to assume the caller
- *      does the checking but that might be worth review ! FIXME
- */
-int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
-                        uint32_t handle)
-{
-        /* No special work needed, drop the reference and see what falls out */
-        return drm_gem_handle_delete(file, handle);
-}
-
-/**
- *      psb_gem_fault           -       pagefault handler for GEM objects
- *      @vma: the VMA of the GEM object
- *      @vmf: fault detail
- *
- *      Invoked when a fault occurs on an mmap of a GEM managed area. GEM
- *      does most of the work for us including the actual map/unmap calls
- *      but we need to do the actual page work.
- *
- *      This code eventually needs to handle faulting objects in and out
- *      of the GTT and repacking it when we run out of space. We can put
- *      that off for now and for our simple uses
- *
- *      The VMA was set up by GEM. In doing so it also ensured that the
- *      vma->vm_private_data points to the GEM object that is backing this
- *      mapping.
- */
-int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
-{
-        struct drm_gem_object *obj;
-        struct gtt_range *r;
-        int ret;
-        unsigned long pfn;
-        pgoff_t page_offset;
-        struct drm_device *dev;
-        struct drm_psb_private *dev_priv;
-
-        obj = vma->vm_private_data;     /* GEM object */
-        dev = obj->dev;
-        dev_priv = dev->dev_private;
-
-        r = container_of(obj, struct gtt_range, gem);   /* Get the gtt range */
-
-        /* Make sure we don't parallel update on a fault, nor move or remove
-           something from beneath our feet */
-        mutex_lock(&dev->struct_mutex);
-
-        /* For now the mmap pins the object and it stays pinned. As things
-           stand that will do us no harm */
-        if (r->mmapping == 0) {
-                ret = psb_gtt_pin(r);
-                if (ret < 0) {
-                        dev_err(dev->dev, "gma500: pin failed: %d\n", ret);
-                        goto fail;
-                }
-                r->mmapping = 1;
-        }
-
-        /* Page relative to the VMA start - we must calculate this ourselves
-           because vmf->pgoff is the fake GEM offset */
-        page_offset = ((unsigned long) vmf->virtual_address - vma->vm_start)
-                                >> PAGE_SHIFT;
-
-        /* CPU view of the page, don't go via the GART for CPU writes */
-        if (r->stolen)
-                pfn = (dev_priv->stolen_base + r->offset) >> PAGE_SHIFT;
-        else
-                pfn = page_to_pfn(r->pages[page_offset]);
-        ret = vm_insert_pfn(vma, (unsigned long)vmf->virtual_address, pfn);
-
-fail:
-        mutex_unlock(&dev->struct_mutex);
-        switch (ret) {
-        case 0:
-        case -ERESTARTSYS:
-        case -EINTR:
-                return VM_FAULT_NOPAGE;
-        case -ENOMEM:
-                return VM_FAULT_OOM;
-        default:
-                return VM_FAULT_SIGBUS;
-        }
-}
-
-static int psb_gem_create_stolen(struct drm_file *file, struct drm_device *dev,
-                                                int size, u32 *handle)
-{
-        struct gtt_range *gtt = psb_gtt_alloc_range(dev, size, "gem", 1);
-        if (gtt == NULL)
-                return -ENOMEM;
-        if (drm_gem_private_object_init(dev, &gtt->gem, size) != 0)
-                goto free_gtt;
-        if (drm_gem_handle_create(file, &gtt->gem, handle) == 0)
-                return 0;
-free_gtt:
-        psb_gtt_free_range(dev, gtt);
-        return -ENOMEM;
-}
-
-/*
- *      GEM interfaces for our specific client
- */
-int psb_gem_create_ioctl(struct drm_device *dev, void *data,
-                                        struct drm_file *file)
-{
-        struct drm_psb_gem_create *args = data;
-        int ret;
-        if (args->flags & PSB_GEM_CREATE_STOLEN) {
-                ret = psb_gem_create_stolen(file, dev, args->size,
-                                                        &args->handle);
-                if (ret == 0)
-                        return 0;
-                /* Fall throguh */
-                args->flags &= ~PSB_GEM_CREATE_STOLEN;
-        }
-        return psb_gem_create(file, dev, args->size, &args->handle);
-}
-
-int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
-                                        struct drm_file *file)
-{
-        struct drm_psb_gem_mmap *args = data;
-        return dev->driver->dumb_map_offset(file, dev,
-                                                args->handle, &args->offset);
-}
-
diff --git a/drivers/staging/gma500/gem_glue.c b/drivers/staging/gma500/gem_glue.c
deleted file mode 100644
index daac12120653..000000000000
--- a/drivers/staging/gma500/gem_glue.c
+++ /dev/null
@@ -1,89 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-
-void drm_gem_object_release_wrap(struct drm_gem_object *obj)
-{
-        /* Remove the list map if one is present */
-        if (obj->map_list.map) {
-                struct drm_gem_mm *mm = obj->dev->mm_private;
-                struct drm_map_list *list = &obj->map_list;
-                drm_ht_remove_item(&mm->offset_hash, &list->hash);
-                drm_mm_put_block(list->file_offset_node);
-                kfree(list->map);
-                list->map = NULL;
-        }
-        drm_gem_object_release(obj);
-}
-
-/**
- *      gem_create_mmap_offset          -       invent an mmap offset
- *      @obj: our object
- *
- *      Standard implementation of offset generation for mmap as is
- *      duplicated in several drivers. This belongs in GEM.
- */
-int gem_create_mmap_offset(struct drm_gem_object *obj)
-{
-        struct drm_device *dev = obj->dev;
-        struct drm_gem_mm *mm = dev->mm_private;
-        struct drm_map_list *list;
-        struct drm_local_map *map;
-        int ret;
-
-        list = &obj->map_list;
-        list->map = kzalloc(sizeof(struct drm_map_list), GFP_KERNEL);
-        if (list->map == NULL)
-                return -ENOMEM;
-        map = list->map;
-        map->type = _DRM_GEM;
-        map->size = obj->size;
-        map->handle = obj;
-
-        list->file_offset_node = drm_mm_search_free(&mm->offset_manager,
-                                        obj->size / PAGE_SIZE, 0, 0);
-        if (!list->file_offset_node) {
-                dev_err(dev->dev, "failed to allocate offset for bo %d\n",
-                                                                obj->name);
-                ret = -ENOSPC;
-                goto free_it;
-        }
-        list->file_offset_node = drm_mm_get_block(list->file_offset_node,
-                                        obj->size / PAGE_SIZE, 0);
-        if (!list->file_offset_node) {
-                ret = -ENOMEM;
-                goto free_it;
-        }
-        list->hash.key = list->file_offset_node->start;
-        ret = drm_ht_insert_item(&mm->offset_hash, &list->hash);
-        if (ret) {
-                dev_err(dev->dev, "failed to add to map hash\n");
-                goto free_mm;
-        }
-        return 0;
-
-free_mm:
-        drm_mm_put_block(list->file_offset_node);
-free_it:
-        kfree(list->map);
-        list->map = NULL;
-        return ret;
-}
diff --git a/drivers/staging/gma500/gem_glue.h b/drivers/staging/gma500/gem_glue.h
deleted file mode 100644
index ce5ce30f74db..000000000000
--- a/drivers/staging/gma500/gem_glue.h
+++ /dev/null
@@ -1,2 +0,0 @@
-extern void drm_gem_object_release_wrap(struct drm_gem_object *obj);
-extern int gem_create_mmap_offset(struct drm_gem_object *obj);
diff --git a/drivers/staging/gma500/gtt.c b/drivers/staging/gma500/gtt.c
deleted file mode 100644
index e770bd190a5c..000000000000
--- a/drivers/staging/gma500/gtt.c
+++ /dev/null
@@ -1,553 +0,0 @@
-/*
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics.com>
- *          Alan Cox <alan@linux.intel.com>
- */
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-
-
-/*
- *      GTT resource allocator - manage page mappings in GTT space
- */
-
-/**
- *      psb_gtt_mask_pte        -       generate GTT pte entry
- *      @pfn: page number to encode
- *      @type: type of memory in the GTT
- *
- *      Set the GTT entry for the appropriate memory type.
- */
-static inline uint32_t psb_gtt_mask_pte(uint32_t pfn, int type)
-{
-        uint32_t mask = PSB_PTE_VALID;
-
-        if (type & PSB_MMU_CACHED_MEMORY)
-                mask |= PSB_PTE_CACHED;
-        if (type & PSB_MMU_RO_MEMORY)
-                mask |= PSB_PTE_RO;
-        if (type & PSB_MMU_WO_MEMORY)
-                mask |= PSB_PTE_WO;
-
-        return (pfn << PAGE_SHIFT) | mask;
-}
-
-/**
- *      psb_gtt_entry           -       find the GTT entries for a gtt_range
- *      @dev: our DRM device
- *      @r: our GTT range
- *
- *      Given a gtt_range object return the GTT offset of the page table
- *      entries for this gtt_range
- */
-u32 *psb_gtt_entry(struct drm_device *dev, struct gtt_range *r)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long offset;
-
-        offset = r->resource.start - dev_priv->gtt_mem->start;
-
-        return dev_priv->gtt_map + (offset >> PAGE_SHIFT);
-}
-
-/**
- *      psb_gtt_insert  -       put an object into the GTT
- *      @dev: our DRM device
- *      @r: our GTT range
- *
- *      Take our preallocated GTT range and insert the GEM object into
- *      the GTT. This is protected via the gtt mutex which the caller
- *      must hold.
- */
-static int psb_gtt_insert(struct drm_device *dev, struct gtt_range *r)
-{
-        u32 *gtt_slot, pte;
-        struct page **pages;
-        int i;
-
-        if (r->pages == NULL) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
-        WARN_ON(r->stolen);     /* refcount these maybe ? */
-
-        gtt_slot = psb_gtt_entry(dev, r);
-        pages = r->pages;
-
-        /* Make sure changes are visible to the GPU */
-        set_pages_array_uc(pages, r->npage);
-
-        /* Write our page entries into the GTT itself */
-        for (i = r->roll; i < r->npage; i++) {
-                pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-                iowrite32(pte, gtt_slot++);
-        }
-        for (i = 0; i < r->roll; i++) {
-                pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-                iowrite32(pte, gtt_slot++);
-        }
-        /* Make sure all the entries are set before we return */
-        ioread32(gtt_slot - 1);
-
-        return 0;
-}
-
-/**
- *      psb_gtt_remove  -       remove an object from the GTT
- *      @dev: our DRM device
- *      @r: our GTT range
- *
- *      Remove a preallocated GTT range from the GTT. Overwrite all the
- *      page table entries with the dummy page. This is protected via the gtt
- *      mutex which the caller must hold.
- */
-static void psb_gtt_remove(struct drm_device *dev, struct gtt_range *r)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 *gtt_slot, pte;
-        int i;
-
-        WARN_ON(r->stolen);
-
-        gtt_slot = psb_gtt_entry(dev, r);
-        pte = psb_gtt_mask_pte(page_to_pfn(dev_priv->scratch_page), 0);
-
-        for (i = 0; i < r->npage; i++)
-                iowrite32(pte, gtt_slot++);
-        ioread32(gtt_slot - 1);
-        set_pages_array_wb(r->pages, r->npage);
-}
-
-/**
- *      psb_gtt_roll    -       set scrolling position
- *      @dev: our DRM device
- *      @r: the gtt mapping we are using
- *      @roll: roll offset
- *
- *      Roll an existing pinned mapping by moving the pages through the GTT.
- *      This allows us to implement hardware scrolling on the consoles without
- *      a 2D engine
- */
-void psb_gtt_roll(struct drm_device *dev, struct gtt_range *r, int roll)
-{
-        u32 *gtt_slot, pte;
-        int i;
-
-        if (roll >= r->npage) {
-                WARN_ON(1);
-                return;
-        }
-
-        r->roll = roll;
-
-        /* Not currently in the GTT - no worry we will write the mapping at
-           the right position when it gets pinned */
-        if (!r->stolen && !r->in_gart)
-                return;
-
-        gtt_slot = psb_gtt_entry(dev, r);
-
-        for (i = r->roll; i < r->npage; i++) {
-                pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-                iowrite32(pte, gtt_slot++);
-        }
-        for (i = 0; i < r->roll; i++) {
-                pte = psb_gtt_mask_pte(page_to_pfn(r->pages[i]), 0);
-                iowrite32(pte, gtt_slot++);
-        }
-        ioread32(gtt_slot - 1);
-}
-
-/**
- *      psb_gtt_attach_pages    -       attach and pin GEM pages
- *      @gt: the gtt range
- *
- *      Pin and build an in kernel list of the pages that back our GEM object.
- *      While we hold this the pages cannot be swapped out. This is protected
- *      via the gtt mutex which the caller must hold.
- */
-static int psb_gtt_attach_pages(struct gtt_range *gt)
-{
-        struct inode *inode;
-        struct address_space *mapping;
-        int i;
-        struct page *p;
-        int pages = gt->gem.size / PAGE_SIZE;
-
-        WARN_ON(gt->pages);
-
-        /* This is the shared memory object that backs the GEM resource */
-        inode = gt->gem.filp->f_path.dentry->d_inode;
-        mapping = inode->i_mapping;
-
-        gt->pages = kmalloc(pages * sizeof(struct page *), GFP_KERNEL);
-        if (gt->pages == NULL)
-                return -ENOMEM;
-        gt->npage = pages;
-
-        for (i = 0; i < pages; i++) {
-                /* FIXME: needs updating as per mail from Hugh Dickins */
-                p = read_cache_page_gfp(mapping, i,
-                                        __GFP_COLD | GFP_KERNEL);
-                if (IS_ERR(p))
-                        goto err;
-                gt->pages[i] = p;
-        }
-        return 0;
-
-err:
-        while (i--)
-                page_cache_release(gt->pages[i]);
-        kfree(gt->pages);
-        gt->pages = NULL;
-        return PTR_ERR(p);
-}
-
-/**
- *      psb_gtt_detach_pages    -       attach and pin GEM pages
- *      @gt: the gtt range
- *
- *      Undo the effect of psb_gtt_attach_pages. At this point the pages
- *      must have been removed from the GTT as they could now be paged out
- *      and move bus address. This is protected via the gtt mutex which the
- *      caller must hold.
- */
-static void psb_gtt_detach_pages(struct gtt_range *gt)
-{
-        int i;
-        for (i = 0; i < gt->npage; i++) {
-                /* FIXME: do we need to force dirty */
-                set_page_dirty(gt->pages[i]);
-                page_cache_release(gt->pages[i]);
-        }
-        kfree(gt->pages);
-        gt->pages = NULL;
-}
-
-/**
- *      psb_gtt_pin             -       pin pages into the GTT
- *      @gt: range to pin
- *
- *      Pin a set of pages into the GTT. The pins are refcounted so that
- *      multiple pins need multiple unpins to undo.
- *
- *      Non GEM backed objects treat this as a no-op as they are always GTT
- *      backed objects.
- */
-int psb_gtt_pin(struct gtt_range *gt)
-{
-        int ret = 0;
-        struct drm_device *dev = gt->gem.dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        mutex_lock(&dev_priv->gtt_mutex);
-
-        if (gt->in_gart == 0 && gt->stolen == 0) {
-                ret = psb_gtt_attach_pages(gt);
-                if (ret < 0)
-                        goto out;
-                ret = psb_gtt_insert(dev, gt);
-                if (ret < 0) {
-                        psb_gtt_detach_pages(gt);
-                        goto out;
-                }
-        }
-        gt->in_gart++;
-out:
-        mutex_unlock(&dev_priv->gtt_mutex);
-        return ret;
-}
-
-/**
- *      psb_gtt_unpin           -       Drop a GTT pin requirement
- *      @gt: range to pin
- *
- *      Undoes the effect of psb_gtt_pin. On the last drop the GEM object
- *      will be removed from the GTT which will also drop the page references
- *      and allow the VM to clean up or page stuff.
- *
- *      Non GEM backed objects treat this as a no-op as they are always GTT
- *      backed objects.
- */
-void psb_gtt_unpin(struct gtt_range *gt)
-{
-        struct drm_device *dev = gt->gem.dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        mutex_lock(&dev_priv->gtt_mutex);
-
-        WARN_ON(!gt->in_gart);
-
-        gt->in_gart--;
-        if (gt->in_gart == 0 && gt->stolen == 0) {
-                psb_gtt_remove(dev, gt);
-                psb_gtt_detach_pages(gt);
-        }
-        mutex_unlock(&dev_priv->gtt_mutex);
-}
-
-/*
- *      GTT resource allocator - allocate and manage GTT address space
- */
-
-/**
- *      psb_gtt_alloc_range     -       allocate GTT address space
- *      @dev: Our DRM device
- *      @len: length (bytes) of address space required
- *      @name: resource name
- *      @backed: resource should be backed by stolen pages
- *
- *      Ask the kernel core to find us a suitable range of addresses
- *      to use for a GTT mapping.
- *
- *      Returns a gtt_range structure describing the object, or NULL on
- *      error. On successful return the resource is both allocated and marked
- *      as in use.
- */
-struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
-                                                const char *name, int backed)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct gtt_range *gt;
-        struct resource *r = dev_priv->gtt_mem;
-        int ret;
-        unsigned long start, end;
-
-        if (backed) {
-                /* The start of the GTT is the stolen pages */
-                start = r->start;
-                end = r->start + dev_priv->gtt.stolen_size - 1;
-        } else {
-                /* The rest we will use for GEM backed objects */
-                start = r->start + dev_priv->gtt.stolen_size;
-                end = r->end;
-        }
-
-        gt = kzalloc(sizeof(struct gtt_range), GFP_KERNEL);
-        if (gt == NULL)
-                return NULL;
-        gt->resource.name = name;
-        gt->stolen = backed;
-        gt->in_gart = backed;
-        gt->roll = 0;
-        /* Ensure this is set for non GEM objects */
-        gt->gem.dev = dev;
-        ret = allocate_resource(dev_priv->gtt_mem, &gt->resource,
-                                len, start, end, PAGE_SIZE, NULL, NULL);
-        if (ret == 0) {
-                gt->offset = gt->resource.start - r->start;
-                return gt;
-        }
-        kfree(gt);
-        return NULL;
-}
-
-/**
- *      psb_gtt_free_range      -       release GTT address space
- *      @dev: our DRM device
- *      @gt: a mapping created with psb_gtt_alloc_range
- *
- *      Release a resource that was allocated with psb_gtt_alloc_range. If the
- *      object has been pinned by mmap users we clean this up here currently.
- */
-void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt)
-{
-        /* Undo the mmap pin if we are destroying the object */
-        if (gt->mmapping) {
-                psb_gtt_unpin(gt);
-                gt->mmapping = 0;
-        }
-        WARN_ON(gt->in_gart && !gt->stolen);
-        release_resource(&gt->resource);
-        kfree(gt);
-}
-
-void psb_gtt_alloc(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        init_rwsem(&dev_priv->gtt.sem);
-}
-
-void psb_gtt_takedown(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (dev_priv->gtt_map) {
-                iounmap(dev_priv->gtt_map);
-                dev_priv->gtt_map = NULL;
-        }
-        if (dev_priv->gtt_initialized) {
-                pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
-                                      dev_priv->gmch_ctrl);
-                PSB_WVDC32(dev_priv->pge_ctl, PSB_PGETBL_CTL);
-                (void) PSB_RVDC32(PSB_PGETBL_CTL);
-        }
-        if (dev_priv->vram_addr)
-                iounmap(dev_priv->gtt_map);
-}
-
-int psb_gtt_init(struct drm_device *dev, int resume)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned gtt_pages;
-        unsigned long stolen_size, vram_stolen_size;
-        unsigned i, num_pages;
-        unsigned pfn_base;
-        uint32_t vram_pages;
-        uint32_t dvmt_mode = 0;
-        struct psb_gtt *pg;
-
-        int ret = 0;
-        uint32_t pte;
-
-        mutex_init(&dev_priv->gtt_mutex);
-
-        psb_gtt_alloc(dev);
-        pg = &dev_priv->gtt;
-
-        /* Enable the GTT */
-        pci_read_config_word(dev->pdev, PSB_GMCH_CTRL, &dev_priv->gmch_ctrl);
-        pci_write_config_word(dev->pdev, PSB_GMCH_CTRL,
-                              dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
-
-        dev_priv->pge_ctl = PSB_RVDC32(PSB_PGETBL_CTL);
-        PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
-        (void) PSB_RVDC32(PSB_PGETBL_CTL);
-
-        /* The root resource we allocate address space from */
-        dev_priv->gtt_initialized = 1;
-
-        pg->gtt_phys_start = dev_priv->pge_ctl & PAGE_MASK;
-
-        /*
-         *      The video mmu has a hw bug when accessing 0x0D0000000.
-         *      Make gatt start at 0x0e000,0000. This doesn't actually
-         *      matter for us but may do if the video acceleration ever
-         *      gets opened up.
-         */
-        pg->mmu_gatt_start = 0xE0000000;
-
-        pg->gtt_start = pci_resource_start(dev->pdev, PSB_GTT_RESOURCE);
-        gtt_pages = pci_resource_len(dev->pdev, PSB_GTT_RESOURCE)
-                                                                >> PAGE_SHIFT;
-        /* Some CDV firmware doesn't report this currently. In which case the
-           system has 64 gtt pages */
-        if (pg->gtt_start == 0 || gtt_pages == 0) {
-                dev_err(dev->dev, "GTT PCI BAR not initialized.\n");
-                gtt_pages = 64;
-                pg->gtt_start = dev_priv->pge_ctl;
-        }
-
-        pg->gatt_start = pci_resource_start(dev->pdev, PSB_GATT_RESOURCE);
-        pg->gatt_pages = pci_resource_len(dev->pdev, PSB_GATT_RESOURCE)
-                                                                >> PAGE_SHIFT;
-        dev_priv->gtt_mem = &dev->pdev->resource[PSB_GATT_RESOURCE];
-
-        if (pg->gatt_pages == 0 || pg->gatt_start == 0) {
-                static struct resource fudge;   /* Preferably peppermint */
-                /* This can occur on CDV SDV systems. Fudge it in this case.
-                   We really don't care what imaginary space is being allocated
-                   at this point */
-                dev_err(dev->dev, "GATT PCI BAR not initialized.\n");
-                pg->gatt_start = 0x40000000;
-                pg->gatt_pages = (128 * 1024 * 1024) >> PAGE_SHIFT;
-                /* This is a little confusing but in fact the GTT is providing
-                   a view from the GPU into memory and not vice versa. As such
-                   this is really allocating space that is not the same as the
-                   CPU address space on CDV */
-                fudge.start = 0x40000000;
-                fudge.end = 0x40000000 + 128 * 1024 * 1024 - 1;
-                fudge.name = "fudge";
-                fudge.flags = IORESOURCE_MEM;
-                dev_priv->gtt_mem = &fudge;
-        }
-
-        pci_read_config_dword(dev->pdev, PSB_BSM, &dev_priv->stolen_base);
-        vram_stolen_size = pg->gtt_phys_start - dev_priv->stolen_base
-                                                                - PAGE_SIZE;
-
-        stolen_size = vram_stolen_size;
-
-        printk(KERN_INFO "Stolen memory information\n");
-        printk(KERN_INFO "       base in RAM: 0x%x\n", dev_priv->stolen_base);
-        printk(KERN_INFO "       size: %luK, calculated by (GTT RAM base) - (Stolen base), seems wrong\n",
-                vram_stolen_size/1024);
-        dvmt_mode = (dev_priv->gmch_ctrl >> 4) & 0x7;
-        printk(KERN_INFO "      the correct size should be: %dM(dvmt mode=%d)\n",
-                (dvmt_mode == 1) ? 1 : (2 << (dvmt_mode - 1)), dvmt_mode);
-
-        if (resume && (gtt_pages != pg->gtt_pages) &&
-            (stolen_size != pg->stolen_size)) {
-                dev_err(dev->dev, "GTT resume error.\n");
-                ret = -EINVAL;
-                goto out_err;
-        }
-
-        pg->gtt_pages = gtt_pages;
-        pg->stolen_size = stolen_size;
-        dev_priv->vram_stolen_size = vram_stolen_size;
-
-        /*
-         *      Map the GTT and the stolen memory area
-         */
-        dev_priv->gtt_map = ioremap_nocache(pg->gtt_phys_start,
-                                                gtt_pages << PAGE_SHIFT);
-        if (!dev_priv->gtt_map) {
-                dev_err(dev->dev, "Failure to map gtt.\n");
-                ret = -ENOMEM;
-                goto out_err;
-        }
-
-        dev_priv->vram_addr = ioremap_wc(dev_priv->stolen_base, stolen_size);
-        if (!dev_priv->vram_addr) {
-                dev_err(dev->dev, "Failure to map stolen base.\n");
-                ret = -ENOMEM;
-                goto out_err;
-        }
-
-        /*
-         * Insert vram stolen pages into the GTT
-         */
-
-        pfn_base = dev_priv->stolen_base >> PAGE_SHIFT;
-        vram_pages = num_pages = vram_stolen_size >> PAGE_SHIFT;
-        printk(KERN_INFO"Set up %d stolen pages starting at 0x%08x, GTT offset %dK\n",
-                num_pages, pfn_base << PAGE_SHIFT, 0);
-        for (i = 0; i < num_pages; ++i) {
-                pte = psb_gtt_mask_pte(pfn_base + i, 0);
-                iowrite32(pte, dev_priv->gtt_map + i);
-        }
-
-        /*
-         * Init rest of GTT to the scratch page to avoid accidents or scribbles
-         */
-
-        pfn_base = page_to_pfn(dev_priv->scratch_page);
-        pte = psb_gtt_mask_pte(pfn_base, 0);
-        for (; i < gtt_pages; ++i)
-                iowrite32(pte, dev_priv->gtt_map + i);
-
-        (void) ioread32(dev_priv->gtt_map + i - 1);
-        return 0;
-
-out_err:
-        psb_gtt_takedown(dev);
-        return ret;
-}
diff --git a/drivers/staging/gma500/gtt.h b/drivers/staging/gma500/gtt.h
deleted file mode 100644
index aa1742387f5a..000000000000
--- a/drivers/staging/gma500/gtt.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2008, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_GTT_H_
-#define _PSB_GTT_H_
-
-#include <drm/drmP.h>
-
-/* This wants cleaning up with respect to the psb_dev and un-needed stuff */
-struct psb_gtt {
-        uint32_t gatt_start;
-        uint32_t mmu_gatt_start;
-        uint32_t gtt_start;
-        uint32_t gtt_phys_start;
-        unsigned gtt_pages;
-        unsigned gatt_pages;
-        unsigned long stolen_size;
-        unsigned long vram_stolen_size;
-        struct rw_semaphore sem;
-};
-
-/* Exported functions */
-extern int psb_gtt_init(struct drm_device *dev, int resume);
-extern void psb_gtt_takedown(struct drm_device *dev);
-
-/* Each gtt_range describes an allocation in the GTT area */
-struct gtt_range {
-        struct resource resource;       /* Resource for our allocation */
-        u32 offset;                     /* GTT offset of our object */
-        struct drm_gem_object gem;      /* GEM high level stuff */
-        int in_gart;                    /* Currently in the GART (ref ct) */
-        bool stolen;                    /* Backed from stolen RAM */
-        bool mmapping;                  /* Is mmappable */
-        struct page **pages;            /* Backing pages if present */
-        int npage;                      /* Number of backing pages */
-        int roll;                       /* Roll applied to the GTT entries */
-};
-
-extern struct gtt_range *psb_gtt_alloc_range(struct drm_device *dev, int len,
-                                                const char *name, int backed);
-extern void psb_gtt_kref_put(struct gtt_range *gt);
-extern void psb_gtt_free_range(struct drm_device *dev, struct gtt_range *gt);
-extern int psb_gtt_pin(struct gtt_range *gt);
-extern void psb_gtt_unpin(struct gtt_range *gt);
-extern void psb_gtt_roll(struct drm_device *dev,
-                                        struct gtt_range *gt, int roll);
-
-#endif
diff --git a/drivers/staging/gma500/intel_bios.c b/drivers/staging/gma500/intel_bios.c
deleted file mode 100644
index 096757f9bc89..000000000000
--- a/drivers/staging/gma500/intel_bios.c
+++ /dev/null
@@ -1,303 +0,0 @@
-/*
- * Copyright (c) 2006 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *
- */
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-
-
-static void *find_section(struct bdb_header *bdb, int section_id)
-{
-        u8 *base = (u8 *)bdb;
-        int index = 0;
-        u16 total, current_size;
-        u8 current_id;
-
-        /* skip to first section */
-        index += bdb->header_size;
-        total = bdb->bdb_size;
-
-        /* walk the sections looking for section_id */
-        while (index < total) {
-                current_id = *(base + index);
-                index++;
-                current_size = *((u16 *)(base + index));
-                index += 2;
-                if (current_id == section_id)
-                        return base + index;
-                index += current_size;
-        }
-
-        return NULL;
-}
-
-static void fill_detail_timing_data(struct drm_display_mode *panel_fixed_mode,
-                        struct lvds_dvo_timing *dvo_timing)
-{
-        panel_fixed_mode->hdisplay = (dvo_timing->hactive_hi << 8) |
-                dvo_timing->hactive_lo;
-        panel_fixed_mode->hsync_start = panel_fixed_mode->hdisplay +
-                ((dvo_timing->hsync_off_hi << 8) | dvo_timing->hsync_off_lo);
-        panel_fixed_mode->hsync_end = panel_fixed_mode->hsync_start +
-                dvo_timing->hsync_pulse_width;
-        panel_fixed_mode->htotal = panel_fixed_mode->hdisplay +
-                ((dvo_timing->hblank_hi << 8) | dvo_timing->hblank_lo);
-
-        panel_fixed_mode->vdisplay = (dvo_timing->vactive_hi << 8) |
-                dvo_timing->vactive_lo;
-        panel_fixed_mode->vsync_start = panel_fixed_mode->vdisplay +
-                dvo_timing->vsync_off;
-        panel_fixed_mode->vsync_end = panel_fixed_mode->vsync_start +
-                dvo_timing->vsync_pulse_width;
-        panel_fixed_mode->vtotal = panel_fixed_mode->vdisplay +
-                ((dvo_timing->vblank_hi << 8) | dvo_timing->vblank_lo);
-        panel_fixed_mode->clock = dvo_timing->clock * 10;
-        panel_fixed_mode->type = DRM_MODE_TYPE_PREFERRED;
-
-        /* Some VBTs have bogus h/vtotal values */
-        if (panel_fixed_mode->hsync_end > panel_fixed_mode->htotal)
-                panel_fixed_mode->htotal = panel_fixed_mode->hsync_end + 1;
-        if (panel_fixed_mode->vsync_end > panel_fixed_mode->vtotal)
-                panel_fixed_mode->vtotal = panel_fixed_mode->vsync_end + 1;
-
-        drm_mode_set_name(panel_fixed_mode);
-}
-
-static void parse_backlight_data(struct drm_psb_private *dev_priv,
-                                struct bdb_header *bdb)
-{
-        struct bdb_lvds_backlight *vbt_lvds_bl = NULL;
-        struct bdb_lvds_backlight *lvds_bl;
-        u8 p_type = 0;
-        void *bl_start = NULL;
-        struct bdb_lvds_options *lvds_opts
-                                = find_section(bdb, BDB_LVDS_OPTIONS);
-
-        dev_priv->lvds_bl = NULL;
-
-        if (lvds_opts)
-                p_type = lvds_opts->panel_type;
-        else
-                return;
-
-        bl_start = find_section(bdb, BDB_LVDS_BACKLIGHT);
-        vbt_lvds_bl = (struct bdb_lvds_backlight *)(bl_start + 1) + p_type;
-
-        lvds_bl = kzalloc(sizeof(*vbt_lvds_bl), GFP_KERNEL);
-        if (!lvds_bl) {
-                dev_err(dev_priv->dev->dev, "out of memory for backlight data\n");
-                return;
-        }
-        memcpy(lvds_bl, vbt_lvds_bl, sizeof(*vbt_lvds_bl));
-        dev_priv->lvds_bl = lvds_bl;
-}
-
-/* Try to find integrated panel data */
-static void parse_lfp_panel_data(struct drm_psb_private *dev_priv,
-                            struct bdb_header *bdb)
-{
-        struct bdb_lvds_options *lvds_options;
-        struct bdb_lvds_lfp_data *lvds_lfp_data;
-        struct bdb_lvds_lfp_data_entry *entry;
-        struct lvds_dvo_timing *dvo_timing;
-        struct drm_display_mode *panel_fixed_mode;
-
-        /* Defaults if we can't find VBT info */
-        dev_priv->lvds_dither = 0;
-        dev_priv->lvds_vbt = 0;
-
-        lvds_options = find_section(bdb, BDB_LVDS_OPTIONS);
-        if (!lvds_options)
-                return;
-
-        dev_priv->lvds_dither = lvds_options->pixel_dither;
-        if (lvds_options->panel_type == 0xff)
-                return;
-
-        lvds_lfp_data = find_section(bdb, BDB_LVDS_LFP_DATA);
-        if (!lvds_lfp_data)
-                return;
-
-
-        entry = &lvds_lfp_data->data[lvds_options->panel_type];
-        dvo_timing = &entry->dvo_timing;
-
-        panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode),
-                                      GFP_KERNEL);
-        if (panel_fixed_mode == NULL) {
-                dev_err(dev_priv->dev->dev, "out of memory for fixed panel mode\n");
-                return;
-        }
-
-        dev_priv->lvds_vbt = 1;
-        fill_detail_timing_data(panel_fixed_mode, dvo_timing);
-
-        if (panel_fixed_mode->htotal > 0 && panel_fixed_mode->vtotal > 0) {
-                dev_priv->lfp_lvds_vbt_mode = panel_fixed_mode;
-                drm_mode_debug_printmodeline(panel_fixed_mode);
-        } else {
-                dev_dbg(dev_priv->dev->dev, "ignoring invalid LVDS VBT\n");
-                dev_priv->lvds_vbt = 0;
-                kfree(panel_fixed_mode);
-        }
-        return;
-}
-
-/* Try to find sdvo panel data */
-static void parse_sdvo_panel_data(struct drm_psb_private *dev_priv,
-                      struct bdb_header *bdb)
-{
-        struct bdb_sdvo_lvds_options *sdvo_lvds_options;
-        struct lvds_dvo_timing *dvo_timing;
-        struct drm_display_mode *panel_fixed_mode;
-
-        dev_priv->sdvo_lvds_vbt_mode = NULL;
-
-        sdvo_lvds_options = find_section(bdb, BDB_SDVO_LVDS_OPTIONS);
-        if (!sdvo_lvds_options)
-                return;
-
-        dvo_timing = find_section(bdb, BDB_SDVO_PANEL_DTDS);
-        if (!dvo_timing)
-                return;
-
-        panel_fixed_mode = kzalloc(sizeof(*panel_fixed_mode), GFP_KERNEL);
-
-        if (!panel_fixed_mode)
-                return;
-
-        fill_detail_timing_data(panel_fixed_mode,
-                        dvo_timing + sdvo_lvds_options->panel_type);
-
-        dev_priv->sdvo_lvds_vbt_mode = panel_fixed_mode;
-
-        return;
-}
-
-static void parse_general_features(struct drm_psb_private *dev_priv,
-                       struct bdb_header *bdb)
-{
-        struct bdb_general_features *general;
-
-        /* Set sensible defaults in case we can't find the general block */
-        dev_priv->int_tv_support = 1;
-        dev_priv->int_crt_support = 1;
-
-        general = find_section(bdb, BDB_GENERAL_FEATURES);
-        if (general) {
-                dev_priv->int_tv_support = general->int_tv_support;
-                dev_priv->int_crt_support = general->int_crt_support;
-                dev_priv->lvds_use_ssc = general->enable_ssc;
-
-                if (dev_priv->lvds_use_ssc) {
-                        dev_priv->lvds_ssc_freq
-                                = general->ssc_freq ? 100 : 96;
-                }
-        }
-}
-
-/**
- * psb_intel_init_bios - initialize VBIOS settings & find VBT
- * @dev: DRM device
- *
- * Loads the Video BIOS and checks that the VBT exists.  Sets scratch registers
- * to appropriate values.
- *
- * VBT existence is a sanity check that is relied on by other i830_bios.c code.
- * Note that it would be better to use a BIOS call to get the VBT, as BIOSes may
- * feed an updated VBT back through that, compared to what we'll fetch using
- * this method of groping around in the BIOS data.
- *
- * Returns 0 on success, nonzero on failure.
- */
-bool psb_intel_init_bios(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct pci_dev *pdev = dev->pdev;
-        struct vbt_header *vbt = NULL;
-        struct bdb_header *bdb;
-        u8 __iomem *bios;
-        size_t size;
-        int i;
-
-        bios = pci_map_rom(pdev, &size);
-        if (!bios)
-                return -1;
-
-        /* Scour memory looking for the VBT signature */
-        for (i = 0; i + 4 < size; i++) {
-                if (!memcmp(bios + i, "$VBT", 4)) {
-                        vbt = (struct vbt_header *)(bios + i);
-                        break;
-                }
-        }
-
-        if (!vbt) {
-                dev_err(dev->dev, "VBT signature missing\n");
-                pci_unmap_rom(pdev, bios);
-                return -1;
-        }
-
-        bdb = (struct bdb_header *)(bios + i + vbt->bdb_offset);
-
-        /* Grab useful general definitions */
-        parse_general_features(dev_priv, bdb);
-        parse_lfp_panel_data(dev_priv, bdb);
-        parse_sdvo_panel_data(dev_priv, bdb);
-        parse_backlight_data(dev_priv, bdb);
-
-        pci_unmap_rom(pdev, bios);
-
-        return 0;
-}
-
-/**
- * Destroy and free VBT data
- */
-void psb_intel_destroy_bios(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_display_mode *sdvo_lvds_vbt_mode =
-                                dev_priv->sdvo_lvds_vbt_mode;
-        struct drm_display_mode *lfp_lvds_vbt_mode =
-                                dev_priv->lfp_lvds_vbt_mode;
-        struct bdb_lvds_backlight *lvds_bl =
-                                dev_priv->lvds_bl;
-
-        /*free sdvo panel mode*/
-        if (sdvo_lvds_vbt_mode) {
-                dev_priv->sdvo_lvds_vbt_mode = NULL;
-                kfree(sdvo_lvds_vbt_mode);
-        }
-
-        if (lfp_lvds_vbt_mode) {
-                dev_priv->lfp_lvds_vbt_mode = NULL;
-                kfree(lfp_lvds_vbt_mode);
-        }
-
-        if (lvds_bl) {
-                dev_priv->lvds_bl = NULL;
-                kfree(lvds_bl);
-        }
-}
diff --git a/drivers/staging/gma500/intel_bios.h b/drivers/staging/gma500/intel_bios.h
deleted file mode 100644
index 70f1bf018183..000000000000
--- a/drivers/staging/gma500/intel_bios.h
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * Copyright (c) 2006 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Eric Anholt <eric@anholt.net>
- *
- */
-
-#ifndef _I830_BIOS_H_
-#define _I830_BIOS_H_
-
-#include <drm/drmP.h>
-
-struct vbt_header {
-        u8 signature[20];               /**< Always starts with 'VBT$' */
-        u16 version;                    /**< decimal */
-        u16 header_size;                /**< in bytes */
-        u16 vbt_size;                   /**< in bytes */
-        u8 vbt_checksum;
-        u8 reserved0;
-        u32 bdb_offset;                 /**< from beginning of VBT */
-        u32 aim_offset[4];              /**< from beginning of VBT */
-} __attribute__((packed));
-
-
-struct bdb_header {
-        u8 signature[16];               /**< Always 'BIOS_DATA_BLOCK' */
-        u16 version;                    /**< decimal */
-        u16 header_size;                /**< in bytes */
-        u16 bdb_size;                   /**< in bytes */
-};
-
-/* strictly speaking, this is a "skip" block, but it has interesting info */
-struct vbios_data {
-        u8 type; /* 0 == desktop, 1 == mobile */
-        u8 relstage;
-        u8 chipset;
-        u8 lvds_present:1;
-        u8 tv_present:1;
-        u8 rsvd2:6; /* finish byte */
-        u8 rsvd3[4];
-        u8 signon[155];
-        u8 copyright[61];
-        u16 code_segment;
-        u8 dos_boot_mode;
-        u8 bandwidth_percent;
-        u8 rsvd4; /* popup memory size */
-        u8 resize_pci_bios;
-        u8 rsvd5; /* is crt already on ddc2 */
-} __attribute__((packed));
-
-/*
- * There are several types of BIOS data blocks (BDBs), each block has
- * an ID and size in the first 3 bytes (ID in first, size in next 2).
- * Known types are listed below.
- */
-#define BDB_GENERAL_FEATURES      1
-#define BDB_GENERAL_DEFINITIONS   2
-#define BDB_OLD_TOGGLE_LIST       3
-#define BDB_MODE_SUPPORT_LIST     4
-#define BDB_GENERIC_MODE_TABLE    5
-#define BDB_EXT_MMIO_REGS         6
-#define BDB_SWF_IO                7
-#define BDB_SWF_MMIO              8
-#define BDB_DOT_CLOCK_TABLE       9
-#define BDB_MODE_REMOVAL_TABLE   10
-#define BDB_CHILD_DEVICE_TABLE   11
-#define BDB_DRIVER_FEATURES      12
-#define BDB_DRIVER_PERSISTENCE   13
-#define BDB_EXT_TABLE_PTRS       14
-#define BDB_DOT_CLOCK_OVERRIDE   15
-#define BDB_DISPLAY_SELECT       16
-/* 17 rsvd */
-#define BDB_DRIVER_ROTATION      18
-#define BDB_DISPLAY_REMOVE       19
-#define BDB_OEM_CUSTOM           20
-#define BDB_EFP_LIST             21 /* workarounds for VGA hsync/vsync */
-#define BDB_SDVO_LVDS_OPTIONS    22
-#define BDB_SDVO_PANEL_DTDS      23
-#define BDB_SDVO_LVDS_PNP_IDS    24
-#define BDB_SDVO_LVDS_POWER_SEQ  25
-#define BDB_TV_OPTIONS           26
-#define BDB_LVDS_OPTIONS         40
-#define BDB_LVDS_LFP_DATA_PTRS   41
-#define BDB_LVDS_LFP_DATA        42
-#define BDB_LVDS_BACKLIGHT       43
-#define BDB_LVDS_POWER           44
-#define BDB_SKIP                254 /* VBIOS private block, ignore */
-
-struct bdb_general_features {
-        /* bits 1 */
-        u8 panel_fitting:2;
-        u8 flexaim:1;
-        u8 msg_enable:1;
-        u8 clear_screen:3;
-        u8 color_flip:1;
-
-        /* bits 2 */
-        u8 download_ext_vbt:1;
-        u8 enable_ssc:1;
-        u8 ssc_freq:1;
-        u8 enable_lfp_on_override:1;
-        u8 disable_ssc_ddt:1;
-        u8 rsvd8:3; /* finish byte */
-
-        /* bits 3 */
-        u8 disable_smooth_vision:1;
-        u8 single_dvi:1;
-        u8 rsvd9:6; /* finish byte */
-
-        /* bits 4 */
-        u8 legacy_monitor_detect;
-
-        /* bits 5 */
-        u8 int_crt_support:1;
-        u8 int_tv_support:1;
-        u8 rsvd11:6; /* finish byte */
-} __attribute__((packed));
-
-struct bdb_general_definitions {
-        /* DDC GPIO */
-        u8 crt_ddc_gmbus_pin;
-
-        /* DPMS bits */
-        u8 dpms_acpi:1;
-        u8 skip_boot_crt_detect:1;
-        u8 dpms_aim:1;
-        u8 rsvd1:5; /* finish byte */
-
-        /* boot device bits */
-        u8 boot_display[2];
-        u8 child_dev_size;
-
-        /* device info */
-        u8 tv_or_lvds_info[33];
-        u8 dev1[33];
-        u8 dev2[33];
-        u8 dev3[33];
-        u8 dev4[33];
-        /* may be another device block here on some platforms */
-};
-
-struct bdb_lvds_options {
-        u8 panel_type;
-        u8 rsvd1;
-        /* LVDS capabilities, stored in a dword */
-        u8 pfit_mode:2;
-        u8 pfit_text_mode_enhanced:1;
-        u8 pfit_gfx_mode_enhanced:1;
-        u8 pfit_ratio_auto:1;
-        u8 pixel_dither:1;
-        u8 lvds_edid:1;
-        u8 rsvd2:1;
-        u8 rsvd4;
-} __attribute__((packed));
-
-struct bdb_lvds_backlight {
-        u8 type:2;
-        u8 pol:1;
-        u8 gpio:3;
-        u8 gmbus:2;
-        u16 freq;
-        u8 minbrightness;
-        u8 i2caddr;
-        u8 brightnesscmd;
-        /*FIXME: more...*/
-} __attribute__((packed));
-
-/* LFP pointer table contains entries to the struct below */
-struct bdb_lvds_lfp_data_ptr {
-        u16 fp_timing_offset; /* offsets are from start of bdb */
-        u8 fp_table_size;
-        u16 dvo_timing_offset;
-        u8 dvo_table_size;
-        u16 panel_pnp_id_offset;
-        u8 pnp_table_size;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data_ptrs {
-        u8 lvds_entries; /* followed by one or more lvds_data_ptr structs */
-        struct bdb_lvds_lfp_data_ptr ptr[16];
-} __attribute__((packed));
-
-/* LFP data has 3 blocks per entry */
-struct lvds_fp_timing {
-        u16 x_res;
-        u16 y_res;
-        u32 lvds_reg;
-        u32 lvds_reg_val;
-        u32 pp_on_reg;
-        u32 pp_on_reg_val;
-        u32 pp_off_reg;
-        u32 pp_off_reg_val;
-        u32 pp_cycle_reg;
-        u32 pp_cycle_reg_val;
-        u32 pfit_reg;
-        u32 pfit_reg_val;
-        u16 terminator;
-} __attribute__((packed));
-
-struct lvds_dvo_timing {
-        u16 clock;              /**< In 10khz */
-        u8 hactive_lo;
-        u8 hblank_lo;
-        u8 hblank_hi:4;
-        u8 hactive_hi:4;
-        u8 vactive_lo;
-        u8 vblank_lo;
-        u8 vblank_hi:4;
-        u8 vactive_hi:4;
-        u8 hsync_off_lo;
-        u8 hsync_pulse_width;
-        u8 vsync_pulse_width:4;
-        u8 vsync_off:4;
-        u8 rsvd0:6;
-        u8 hsync_off_hi:2;
-        u8 h_image;
-        u8 v_image;
-        u8 max_hv;
-        u8 h_border;
-        u8 v_border;
-        u8 rsvd1:3;
-        u8 digital:2;
-        u8 vsync_positive:1;
-        u8 hsync_positive:1;
-        u8 rsvd2:1;
-} __attribute__((packed));
-
-struct lvds_pnp_id {
-        u16 mfg_name;
-        u16 product_code;
-        u32 serial;
-        u8 mfg_week;
-        u8 mfg_year;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data_entry {
-        struct lvds_fp_timing fp_timing;
-        struct lvds_dvo_timing dvo_timing;
-        struct lvds_pnp_id pnp_id;
-} __attribute__((packed));
-
-struct bdb_lvds_lfp_data {
-        struct bdb_lvds_lfp_data_entry data[16];
-} __attribute__((packed));
-
-struct aimdb_header {
-        char signature[16];
-        char oem_device[20];
-        u16 aimdb_version;
-        u16 aimdb_header_size;
-        u16 aimdb_size;
-} __attribute__((packed));
-
-struct aimdb_block {
-        u8 aimdb_id;
-        u16 aimdb_size;
-} __attribute__((packed));
-
-struct vch_panel_data {
-        u16 fp_timing_offset;
-        u8 fp_timing_size;
-        u16 dvo_timing_offset;
-        u8 dvo_timing_size;
-        u16 text_fitting_offset;
-        u8 text_fitting_size;
-        u16 graphics_fitting_offset;
-        u8 graphics_fitting_size;
-} __attribute__((packed));
-
-struct vch_bdb_22 {
-        struct aimdb_block aimdb_block;
-        struct vch_panel_data panels[16];
-} __attribute__((packed));
-
-struct bdb_sdvo_lvds_options {
-        u8 panel_backlight;
-        u8 h40_set_panel_type;
-        u8 panel_type;
-        u8 ssc_clk_freq;
-        u16 als_low_trip;
-        u16 als_high_trip;
-        u8 sclalarcoeff_tab_row_num;
-        u8 sclalarcoeff_tab_row_size;
-        u8 coefficient[8];
-        u8 panel_misc_bits_1;
-        u8 panel_misc_bits_2;
-        u8 panel_misc_bits_3;
-        u8 panel_misc_bits_4;
-} __attribute__((packed));
-
-
-extern bool psb_intel_init_bios(struct drm_device *dev);
-extern void psb_intel_destroy_bios(struct drm_device *dev);
-
-/*
- * Driver<->VBIOS interaction occurs through scratch bits in
- * GR18 & SWF*.
- */
-
-/* GR18 bits are set on display switch and hotkey events */
-#define GR18_DRIVER_SWITCH_EN   (1<<7) /* 0: VBIOS control, 1: driver control */
-#define GR18_HOTKEY_MASK        0x78 /* See also SWF4 15:0 */
-#define   GR18_HK_NONE          (0x0<<3)
-#define   GR18_HK_LFP_STRETCH   (0x1<<3)
-#define   GR18_HK_TOGGLE_DISP   (0x2<<3)
-#define   GR18_HK_DISP_SWITCH   (0x4<<3) /* see SWF14 15:0 for what to enable */
-#define   GR18_HK_POPUP_DISABLED (0x6<<3)
-#define   GR18_HK_POPUP_ENABLED (0x7<<3)
-#define   GR18_HK_PFIT          (0x8<<3)
-#define   GR18_HK_APM_CHANGE    (0xa<<3)
-#define   GR18_HK_MULTIPLE      (0xc<<3)
-#define GR18_USER_INT_EN        (1<<2)
-#define GR18_A0000_FLUSH_EN     (1<<1)
-#define GR18_SMM_EN             (1<<0)
-
-/* Set by driver, cleared by VBIOS */
-#define SWF00_YRES_SHIFT        16
-#define SWF00_XRES_SHIFT        0
-#define SWF00_RES_MASK          0xffff
-
-/* Set by VBIOS at boot time and driver at runtime */
-#define SWF01_TV2_FORMAT_SHIFT  8
-#define SWF01_TV1_FORMAT_SHIFT  0
-#define SWF01_TV_FORMAT_MASK    0xffff
-
-#define SWF10_VBIOS_BLC_I2C_EN  (1<<29)
-#define SWF10_GTT_OVERRIDE_EN   (1<<28)
-#define SWF10_LFP_DPMS_OVR      (1<<27) /* override DPMS on display switch */
-#define SWF10_ACTIVE_TOGGLE_LIST_MASK (7<<24)
-#define   SWF10_OLD_TOGGLE      0x0
-#define   SWF10_TOGGLE_LIST_1   0x1
-#define   SWF10_TOGGLE_LIST_2   0x2
-#define   SWF10_TOGGLE_LIST_3   0x3
-#define   SWF10_TOGGLE_LIST_4   0x4
-#define SWF10_PANNING_EN        (1<<23)
-#define SWF10_DRIVER_LOADED     (1<<22)
-#define SWF10_EXTENDED_DESKTOP  (1<<21)
-#define SWF10_EXCLUSIVE_MODE    (1<<20)
-#define SWF10_OVERLAY_EN        (1<<19)
-#define SWF10_PLANEB_HOLDOFF    (1<<18)
-#define SWF10_PLANEA_HOLDOFF    (1<<17)
-#define SWF10_VGA_HOLDOFF       (1<<16)
-#define SWF10_ACTIVE_DISP_MASK  0xffff
-#define   SWF10_PIPEB_LFP2      (1<<15)
-#define   SWF10_PIPEB_EFP2      (1<<14)
-#define   SWF10_PIPEB_TV2       (1<<13)
-#define   SWF10_PIPEB_CRT2      (1<<12)
-#define   SWF10_PIPEB_LFP       (1<<11)
-#define   SWF10_PIPEB_EFP       (1<<10)
-#define   SWF10_PIPEB_TV        (1<<9)
-#define   SWF10_PIPEB_CRT       (1<<8)
-#define   SWF10_PIPEA_LFP2      (1<<7)
-#define   SWF10_PIPEA_EFP2      (1<<6)
-#define   SWF10_PIPEA_TV2       (1<<5)
-#define   SWF10_PIPEA_CRT2      (1<<4)
-#define   SWF10_PIPEA_LFP       (1<<3)
-#define   SWF10_PIPEA_EFP       (1<<2)
-#define   SWF10_PIPEA_TV        (1<<1)
-#define   SWF10_PIPEA_CRT       (1<<0)
-
-#define SWF11_MEMORY_SIZE_SHIFT 16
-#define SWF11_SV_TEST_EN        (1<<15)
-#define SWF11_IS_AGP            (1<<14)
-#define SWF11_DISPLAY_HOLDOFF   (1<<13)
-#define SWF11_DPMS_REDUCED      (1<<12)
-#define SWF11_IS_VBE_MODE       (1<<11)
-#define SWF11_PIPEB_ACCESS      (1<<10) /* 0 here means pipe a */
-#define SWF11_DPMS_MASK         0x07
-#define   SWF11_DPMS_OFF        (1<<2)
-#define   SWF11_DPMS_SUSPEND    (1<<1)
-#define   SWF11_DPMS_STANDBY    (1<<0)
-#define   SWF11_DPMS_ON         0
-
-#define SWF14_GFX_PFIT_EN       (1<<31)
-#define SWF14_TEXT_PFIT_EN      (1<<30)
-#define SWF14_LID_STATUS_CLOSED (1<<29) /* 0 here means open */
-#define SWF14_POPUP_EN          (1<<28)
-#define SWF14_DISPLAY_HOLDOFF   (1<<27)
-#define SWF14_DISP_DETECT_EN    (1<<26)
-#define SWF14_DOCKING_STATUS_DOCKED (1<<25) /* 0 here means undocked */
-#define SWF14_DRIVER_STATUS     (1<<24)
-#define SWF14_OS_TYPE_WIN9X     (1<<23)
-#define SWF14_OS_TYPE_WINNT     (1<<22)
-/* 21:19 rsvd */
-#define SWF14_PM_TYPE_MASK      0x00070000
-#define   SWF14_PM_ACPI_VIDEO   (0x4 << 16)
-#define   SWF14_PM_ACPI         (0x3 << 16)
-#define   SWF14_PM_APM_12       (0x2 << 16)
-#define   SWF14_PM_APM_11       (0x1 << 16)
-#define SWF14_HK_REQUEST_MASK   0x0000ffff /* see GR18 6:3 for event type */
-          /* if GR18 indicates a display switch */
-#define   SWF14_DS_PIPEB_LFP2_EN (1<<15)
-#define   SWF14_DS_PIPEB_EFP2_EN (1<<14)
-#define   SWF14_DS_PIPEB_TV2_EN  (1<<13)
-#define   SWF14_DS_PIPEB_CRT2_EN (1<<12)
-#define   SWF14_DS_PIPEB_LFP_EN  (1<<11)
-#define   SWF14_DS_PIPEB_EFP_EN  (1<<10)
-#define   SWF14_DS_PIPEB_TV_EN   (1<<9)
-#define   SWF14_DS_PIPEB_CRT_EN  (1<<8)
-#define   SWF14_DS_PIPEA_LFP2_EN (1<<7)
-#define   SWF14_DS_PIPEA_EFP2_EN (1<<6)
-#define   SWF14_DS_PIPEA_TV2_EN  (1<<5)
-#define   SWF14_DS_PIPEA_CRT2_EN (1<<4)
-#define   SWF14_DS_PIPEA_LFP_EN  (1<<3)
-#define   SWF14_DS_PIPEA_EFP_EN  (1<<2)
-#define   SWF14_DS_PIPEA_TV_EN   (1<<1)
-#define   SWF14_DS_PIPEA_CRT_EN  (1<<0)
-          /* if GR18 indicates a panel fitting request */
-#define   SWF14_PFIT_EN         (1<<0) /* 0 means disable */
-          /* if GR18 indicates an APM change request */
-#define   SWF14_APM_HIBERNATE   0x4
-#define   SWF14_APM_SUSPEND     0x3
-#define   SWF14_APM_STANDBY     0x1
-#define   SWF14_APM_RESTORE     0x0
-
-#endif /* _I830_BIOS_H_ */
diff --git a/drivers/staging/gma500/intel_i2c.c b/drivers/staging/gma500/intel_i2c.c
deleted file mode 100644
index 51cbf65268e6..000000000000
--- a/drivers/staging/gma500/intel_i2c.c
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <linux/export.h>
-
-#include "psb_drv.h"
-#include "psb_intel_reg.h"
-
-/*
- * Intel GPIO access functions
- */
-
-#define I2C_RISEFALL_TIME 20
-
-static int get_clock(void *data)
-{
-        struct psb_intel_i2c_chan *chan = data;
-        struct drm_device *dev = chan->drm_dev;
-        u32 val;
-
-        val = REG_READ(chan->reg);
-        return (val & GPIO_CLOCK_VAL_IN) != 0;
-}
-
-static int get_data(void *data)
-{
-        struct psb_intel_i2c_chan *chan = data;
-        struct drm_device *dev = chan->drm_dev;
-        u32 val;
-
-        val = REG_READ(chan->reg);
-        return (val & GPIO_DATA_VAL_IN) != 0;
-}
-
-static void set_clock(void *data, int state_high)
-{
-        struct psb_intel_i2c_chan *chan = data;
-        struct drm_device *dev = chan->drm_dev;
-        u32 reserved = 0, clock_bits;
-
-        /* On most chips, these bits must be preserved in software. */
-        reserved =
-                    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
-                                           GPIO_CLOCK_PULLUP_DISABLE);
-
-        if (state_high)
-                clock_bits = GPIO_CLOCK_DIR_IN | GPIO_CLOCK_DIR_MASK;
-        else
-                clock_bits = GPIO_CLOCK_DIR_OUT | GPIO_CLOCK_DIR_MASK |
-                    GPIO_CLOCK_VAL_MASK;
-        REG_WRITE(chan->reg, reserved | clock_bits);
-        udelay(I2C_RISEFALL_TIME);      /* wait for the line to change state */
-}
-
-static void set_data(void *data, int state_high)
-{
-        struct psb_intel_i2c_chan *chan = data;
-        struct drm_device *dev = chan->drm_dev;
-        u32 reserved = 0, data_bits;
-
-        /* On most chips, these bits must be preserved in software. */
-        reserved =
-                    REG_READ(chan->reg) & (GPIO_DATA_PULLUP_DISABLE |
-                                           GPIO_CLOCK_PULLUP_DISABLE);
-
-        if (state_high)
-                data_bits = GPIO_DATA_DIR_IN | GPIO_DATA_DIR_MASK;
-        else
-                data_bits =
-                    GPIO_DATA_DIR_OUT | GPIO_DATA_DIR_MASK |
-                    GPIO_DATA_VAL_MASK;
-
-        REG_WRITE(chan->reg, reserved | data_bits);
-        udelay(I2C_RISEFALL_TIME);      /* wait for the line to change state */
-}
-
-/**
- * psb_intel_i2c_create - instantiate an Intel i2c bus using the specified GPIO reg
- * @dev: DRM device
- * @output: driver specific output device
- * @reg: GPIO reg to use
- * @name: name for this bus
- *
- * Creates and registers a new i2c bus with the Linux i2c layer, for use
- * in output probing and control (e.g. DDC or SDVO control functions).
- *
- * Possible values for @reg include:
- *   %GPIOA
- *   %GPIOB
- *   %GPIOC
- *   %GPIOD
- *   %GPIOE
- *   %GPIOF
- *   %GPIOG
- *   %GPIOH
- * see PRM for details on how these different busses are used.
- */
-struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
-                                        const u32 reg, const char *name)
-{
-        struct psb_intel_i2c_chan *chan;
-
-        chan = kzalloc(sizeof(struct psb_intel_i2c_chan), GFP_KERNEL);
-        if (!chan)
-                goto out_free;
-
-        chan->drm_dev = dev;
-        chan->reg = reg;
-        snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name);
-        chan->adapter.owner = THIS_MODULE;
-        chan->adapter.algo_data = &chan->algo;
-        chan->adapter.dev.parent = &dev->pdev->dev;
-        chan->algo.setsda = set_data;
-        chan->algo.setscl = set_clock;
-        chan->algo.getsda = get_data;
-        chan->algo.getscl = get_clock;
-        chan->algo.udelay = 20;
-        chan->algo.timeout = usecs_to_jiffies(2200);
-        chan->algo.data = chan;
-
-        i2c_set_adapdata(&chan->adapter, chan);
-
-        if (i2c_bit_add_bus(&chan->adapter))
-                goto out_free;
-
-        /* JJJ:  raise SCL and SDA? */
-        set_data(chan, 1);
-        set_clock(chan, 1);
-        udelay(20);
-
-        return chan;
-
-out_free:
-        kfree(chan);
-        return NULL;
-}
-
-/**
- * psb_intel_i2c_destroy - unregister and free i2c bus resources
- * @output: channel to free
- *
- * Unregister the adapter from the i2c layer, then free the structure.
- */
-void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan)
-{
-        if (!chan)
-                return;
-
-        i2c_del_adapter(&chan->adapter);
-        kfree(chan);
-}
diff --git a/drivers/staging/gma500/intel_opregion.c b/drivers/staging/gma500/intel_opregion.c
deleted file mode 100644
index d946bc1b17bf..000000000000
--- a/drivers/staging/gma500/intel_opregion.c
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- * Copyright 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * FIXME: resolve with the i915 version
- */
-
-#include "psb_drv.h"
-
-struct opregion_header {
-        u8 signature[16];
-        u32 size;
-        u32 opregion_ver;
-        u8 bios_ver[32];
-        u8 vbios_ver[16];
-        u8 driver_ver[16];
-        u32 mboxes;
-        u8 reserved[164];
-} __packed;
-
-struct opregion_apci {
-        /*FIXME: add it later*/
-} __packed;
-
-struct opregion_swsci {
-        /*FIXME: add it later*/
-} __packed;
-
-struct opregion_acpi {
-        /*FIXME: add it later*/
-} __packed;
-
-int gma_intel_opregion_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 opregion_phy;
-        void *base;
-        u32 *lid_state;
-
-        dev_priv->lid_state = NULL;
-
-        pci_read_config_dword(dev->pdev, 0xfc, &opregion_phy);
-        if (opregion_phy == 0)
-                return -ENOTSUPP;
-
-        base = ioremap(opregion_phy, 8*1024);
-        if (!base)
-                return -ENOMEM;
-
-        lid_state = base + 0x01ac;
-
-        dev_priv->lid_state = lid_state;
-        dev_priv->lid_last_state = readl(lid_state);
-        return 0;
-}
-
-int gma_intel_opregion_exit(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        if (dev_priv->lid_state)
-                iounmap(dev_priv->lid_state);
-        return 0;
-}
diff --git a/drivers/staging/gma500/mdfld_device.c b/drivers/staging/gma500/mdfld_device.c
deleted file mode 100644
index f47aeb7a2039..000000000000
--- a/drivers/staging/gma500/mdfld_device.c
+++ /dev/null
@@ -1,714 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_output.h"
-#include "mid_bios.h"
-
-/*
- *      Provide the Medfield specific backlight management
- */
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-static int mdfld_brightness;
-struct backlight_device *mdfld_backlight_device;
-
-static int mfld_set_brightness(struct backlight_device *bd)
-{
-        struct drm_device *dev = bl_get_data(mdfld_backlight_device);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int level = bd->props.brightness;
-
-        /* Percentage 1-100% being valid */
-        if (level < 1)
-                level = 1;
-
-        if (gma_power_begin(dev, 0)) {
-                /* Calculate and set the brightness value */
-                u32 adjusted_level;
-
-                /* Adjust the backlight level with the percent in
-                 * dev_priv->blc_adj2;
-                 */
-                adjusted_level = level * dev_priv->blc_adj2;
-                adjusted_level = adjusted_level / 100;
-#if 0
-#ifndef CONFIG_MDFLD_DSI_DPU
-                if(!(dev_priv->dsr_fb_update & MDFLD_DSR_MIPI_CONTROL) && 
-                        (dev_priv->dbi_panel_on || dev_priv->dbi_panel_on2)){
-                        mdfld_dsi_dbi_exit_dsr(dev,MDFLD_DSR_MIPI_CONTROL, 0, 0);
-                        dev_dbg(dev->dev, "Out of DSR before set brightness to %d.\n",adjusted_level);
-                }
-#endif
-                mdfld_dsi_brightness_control(dev, 0, adjusted_level);
-
-                if ((dev_priv->dbi_panel_on2) || (dev_priv->dpi_panel_on2))
-                        mdfld_dsi_brightness_control(dev, 2, adjusted_level);
-#endif
-                gma_power_end(dev);
-        }
-        mdfld_brightness = level;
-        return 0;
-}
-
-int psb_get_brightness(struct backlight_device *bd)
-{
-        /* return locally cached var instead of HW read (due to DPST etc.) */
-        /* FIXME: ideally return actual value in case firmware fiddled with
-           it */
-        return mdfld_brightness;
-}
-
-static const struct backlight_ops mfld_ops = {
-        .get_brightness = psb_get_brightness,
-        .update_status  = mfld_set_brightness,
-};
-
-static int mdfld_backlight_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct backlight_properties props;
-        memset(&props, 0, sizeof(struct backlight_properties));
-        props.max_brightness = 100;
-        props.type = BACKLIGHT_PLATFORM;
-
-        mdfld_backlight_device = backlight_device_register("mfld-bl",
-                                        NULL, (void *)dev, &mfld_ops, &props);
-                                        
-        if (IS_ERR(mdfld_backlight_device))
-                return PTR_ERR(mdfld_backlight_device);
-
-        dev_priv->blc_adj1 = 100;
-        dev_priv->blc_adj2 = 100;
-        mdfld_backlight_device->props.brightness = 100;
-        mdfld_backlight_device->props.max_brightness = 100;
-        backlight_update_status(mdfld_backlight_device);
-        dev_priv->backlight_device = mdfld_backlight_device;
-        return 0;
-}
-
-#endif
-
-/*
- *      Provide the Medfield specific chip logic and low level methods for
- *      power management.
- */
-
-static void mdfld_init_pm(struct drm_device *dev)
-{
-        /* No work needed here yet */
-}
-
-/**
- * mdfld_save_display_registers -       save registers for pipe
- * @dev: our device
- * @pipe: pipe to save
- *
- * Save the pipe state of the device before we power it off. Keep everything
- * we need to put it back again
- */
-static int mdfld_save_display_registers(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int i;
-
-        /* register */
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 fp_reg = MRST_FPA0;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 htot_reg = HTOTAL_A;
-        u32 hblank_reg = HBLANK_A;
-        u32 hsync_reg = HSYNC_A;
-        u32 vtot_reg = VTOTAL_A;
-        u32 vblank_reg = VBLANK_A;
-        u32 vsync_reg = VSYNC_A;
-        u32 pipesrc_reg = PIPEASRC;
-        u32 dspstride_reg = DSPASTRIDE;
-        u32 dsplinoff_reg = DSPALINOFF;
-        u32 dsptileoff_reg = DSPATILEOFF;
-        u32 dspsize_reg = DSPASIZE;
-        u32 dsppos_reg = DSPAPOS;
-        u32 dspsurf_reg = DSPASURF;
-        u32 mipi_reg = MIPI;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 dspstatus_reg = PIPEASTAT;
-        u32 palette_reg = PALETTE_A;
-
-        /* pointer to values */
-        u32 *dpll_val = &dev_priv->saveDPLL_A;
-        u32 *fp_val = &dev_priv->saveFPA0;
-        u32 *pipeconf_val = &dev_priv->savePIPEACONF;
-        u32 *htot_val = &dev_priv->saveHTOTAL_A;
-        u32 *hblank_val = &dev_priv->saveHBLANK_A;
-        u32 *hsync_val = &dev_priv->saveHSYNC_A;
-        u32 *vtot_val = &dev_priv->saveVTOTAL_A;
-        u32 *vblank_val = &dev_priv->saveVBLANK_A;
-        u32 *vsync_val = &dev_priv->saveVSYNC_A;
-        u32 *pipesrc_val = &dev_priv->savePIPEASRC;
-        u32 *dspstride_val = &dev_priv->saveDSPASTRIDE;
-        u32 *dsplinoff_val = &dev_priv->saveDSPALINOFF;
-        u32 *dsptileoff_val = &dev_priv->saveDSPATILEOFF;
-        u32 *dspsize_val = &dev_priv->saveDSPASIZE;
-        u32 *dsppos_val = &dev_priv->saveDSPAPOS;
-        u32 *dspsurf_val = &dev_priv->saveDSPASURF;
-        u32 *mipi_val = &dev_priv->saveMIPI;
-        u32 *dspcntr_val = &dev_priv->saveDSPACNTR;
-        u32 *dspstatus_val = &dev_priv->saveDSPASTATUS;
-        u32 *palette_val = dev_priv->save_palette_a;
-
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                /* register */
-                dpll_reg = MDFLD_DPLL_B;
-                fp_reg = MDFLD_DPLL_DIV0;
-                pipeconf_reg = PIPEBCONF;
-                htot_reg = HTOTAL_B;
-                hblank_reg = HBLANK_B;
-                hsync_reg = HSYNC_B;
-                vtot_reg = VTOTAL_B;
-                vblank_reg = VBLANK_B;
-                vsync_reg = VSYNC_B;
-                pipesrc_reg = PIPEBSRC;
-                dspstride_reg = DSPBSTRIDE;
-                dsplinoff_reg = DSPBLINOFF;
-                dsptileoff_reg = DSPBTILEOFF;
-                dspsize_reg = DSPBSIZE;
-                dsppos_reg = DSPBPOS;
-                dspsurf_reg = DSPBSURF;
-                dspcntr_reg = DSPBCNTR;
-                dspstatus_reg = PIPEBSTAT;
-                palette_reg = PALETTE_B;
-
-                /* values */
-                dpll_val = &dev_priv->saveDPLL_B;
-                fp_val = &dev_priv->saveFPB0;
-                pipeconf_val = &dev_priv->savePIPEBCONF;
-                htot_val = &dev_priv->saveHTOTAL_B;
-                hblank_val = &dev_priv->saveHBLANK_B;
-                hsync_val = &dev_priv->saveHSYNC_B;
-                vtot_val = &dev_priv->saveVTOTAL_B;
-                vblank_val = &dev_priv->saveVBLANK_B;
-                vsync_val = &dev_priv->saveVSYNC_B;
-                pipesrc_val = &dev_priv->savePIPEBSRC;
-                dspstride_val = &dev_priv->saveDSPBSTRIDE;
-                dsplinoff_val = &dev_priv->saveDSPBLINOFF;
-                dsptileoff_val = &dev_priv->saveDSPBTILEOFF;
-                dspsize_val = &dev_priv->saveDSPBSIZE;
-                dsppos_val = &dev_priv->saveDSPBPOS;
-                dspsurf_val = &dev_priv->saveDSPBSURF;
-                dspcntr_val = &dev_priv->saveDSPBCNTR;
-                dspstatus_val = &dev_priv->saveDSPBSTATUS;
-                palette_val = dev_priv->save_palette_b;
-                break;
-        case 2:
-                /* register */
-                pipeconf_reg = PIPECCONF;
-                htot_reg = HTOTAL_C;
-                hblank_reg = HBLANK_C;
-                hsync_reg = HSYNC_C;
-                vtot_reg = VTOTAL_C;
-                vblank_reg = VBLANK_C;
-                vsync_reg = VSYNC_C;
-                pipesrc_reg = PIPECSRC;
-                dspstride_reg = DSPCSTRIDE;
-                dsplinoff_reg = DSPCLINOFF;
-                dsptileoff_reg = DSPCTILEOFF;
-                dspsize_reg = DSPCSIZE;
-                dsppos_reg = DSPCPOS;
-                dspsurf_reg = DSPCSURF;
-                mipi_reg = MIPI_C;
-                dspcntr_reg = DSPCCNTR;
-                dspstatus_reg = PIPECSTAT;
-                palette_reg = PALETTE_C;
-
-                /* pointer to values */
-                pipeconf_val = &dev_priv->savePIPECCONF;
-                htot_val = &dev_priv->saveHTOTAL_C;
-                hblank_val = &dev_priv->saveHBLANK_C;
-                hsync_val = &dev_priv->saveHSYNC_C;
-                vtot_val = &dev_priv->saveVTOTAL_C;
-                vblank_val = &dev_priv->saveVBLANK_C;
-                vsync_val = &dev_priv->saveVSYNC_C;
-                pipesrc_val = &dev_priv->savePIPECSRC;
-                dspstride_val = &dev_priv->saveDSPCSTRIDE;
-                dsplinoff_val = &dev_priv->saveDSPCLINOFF;
-                dsptileoff_val = &dev_priv->saveDSPCTILEOFF;
-                dspsize_val = &dev_priv->saveDSPCSIZE;
-                dsppos_val = &dev_priv->saveDSPCPOS;
-                dspsurf_val = &dev_priv->saveDSPCSURF;
-                mipi_val = &dev_priv->saveMIPI_C;
-                dspcntr_val = &dev_priv->saveDSPCCNTR;
-                dspstatus_val = &dev_priv->saveDSPCSTATUS;
-                palette_val = dev_priv->save_palette_c;
-                break;
-        default:
-                DRM_ERROR("%s, invalid pipe number.\n", __func__);
-                return -EINVAL;
-        }
-
-        /* Pipe & plane A info */
-        *dpll_val = PSB_RVDC32(dpll_reg);
-        *fp_val = PSB_RVDC32(fp_reg);
-        *pipeconf_val = PSB_RVDC32(pipeconf_reg);
-        *htot_val = PSB_RVDC32(htot_reg);
-        *hblank_val = PSB_RVDC32(hblank_reg);
-        *hsync_val = PSB_RVDC32(hsync_reg);
-        *vtot_val = PSB_RVDC32(vtot_reg);
-        *vblank_val = PSB_RVDC32(vblank_reg);
-        *vsync_val = PSB_RVDC32(vsync_reg);
-        *pipesrc_val = PSB_RVDC32(pipesrc_reg);
-        *dspstride_val = PSB_RVDC32(dspstride_reg);
-        *dsplinoff_val = PSB_RVDC32(dsplinoff_reg);
-        *dsptileoff_val = PSB_RVDC32(dsptileoff_reg);
-        *dspsize_val = PSB_RVDC32(dspsize_reg);
-        *dsppos_val = PSB_RVDC32(dsppos_reg);
-        *dspsurf_val = PSB_RVDC32(dspsurf_reg);
-        *dspcntr_val = PSB_RVDC32(dspcntr_reg);
-        *dspstatus_val = PSB_RVDC32(dspstatus_reg);
-
-        /*save palette (gamma) */
-        for (i = 0; i < 256; i++)
-                palette_val[i] = PSB_RVDC32(palette_reg + (i<<2));
-
-        if (pipe == 1) {
-                dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
-                dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
-                dev_priv->saveHDMIPHYMISCCTL = PSB_RVDC32(HDMIPHYMISCCTL);
-                dev_priv->saveHDMIB_CONTROL = PSB_RVDC32(HDMIB_CONTROL);
-                return 0;
-        }
-        *mipi_val = PSB_RVDC32(mipi_reg);
-        return 0;
-}
-
-/**
- * mdfld_save_cursor_overlay_registers  -       save cursor overlay info
- * @dev: our device
- *
- * Save the cursor and overlay register state
- */
-static int mdfld_save_cursor_overlay_registers(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        /* Save cursor regs */
-        dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
-        dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
-        dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
-
-        dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
-        dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
-        dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
-
-        dev_priv->saveDSPCCURSOR_CTRL = PSB_RVDC32(CURCCNTR);
-        dev_priv->saveDSPCCURSOR_BASE = PSB_RVDC32(CURCBASE);
-        dev_priv->saveDSPCCURSOR_POS = PSB_RVDC32(CURCPOS);
-
-        /* HW overlay */
-        dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
-        dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-        dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-        dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-        dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-        dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-        dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-
-        dev_priv->saveOV_OVADD_C = PSB_RVDC32(OV_OVADD + OV_C_OFFSET);
-        dev_priv->saveOV_OGAMC0_C = PSB_RVDC32(OV_OGAMC0 + OV_C_OFFSET);
-        dev_priv->saveOV_OGAMC1_C = PSB_RVDC32(OV_OGAMC1 + OV_C_OFFSET);
-        dev_priv->saveOV_OGAMC2_C = PSB_RVDC32(OV_OGAMC2 + OV_C_OFFSET);
-        dev_priv->saveOV_OGAMC3_C = PSB_RVDC32(OV_OGAMC3 + OV_C_OFFSET);
-        dev_priv->saveOV_OGAMC4_C = PSB_RVDC32(OV_OGAMC4 + OV_C_OFFSET);
-        dev_priv->saveOV_OGAMC5_C = PSB_RVDC32(OV_OGAMC5 + OV_C_OFFSET);
-
-        return 0;
-}
-/*
- * mdfld_restore_display_registers      -       restore the state of a pipe
- * @dev: our device
- * @pipe: the pipe to restore
- *
- * Restore the state of a pipe to that which was saved by the register save
- * functions.
- */
-static int mdfld_restore_display_registers(struct drm_device *dev, int pipe)
-{
-        /* To get  panel out of ULPS mode */
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dsi_config *dsi_config = NULL;
-        u32 i = 0;
-        u32 dpll = 0;
-        u32 timeout = 0;
-        u32 reg_offset = 0;
-
-        /* register */
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 fp_reg = MRST_FPA0;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 htot_reg = HTOTAL_A;
-        u32 hblank_reg = HBLANK_A;
-        u32 hsync_reg = HSYNC_A;
-        u32 vtot_reg = VTOTAL_A;
-        u32 vblank_reg = VBLANK_A;
-        u32 vsync_reg = VSYNC_A;
-        u32 pipesrc_reg = PIPEASRC;
-        u32 dspstride_reg = DSPASTRIDE;
-        u32 dsplinoff_reg = DSPALINOFF;
-        u32 dsptileoff_reg = DSPATILEOFF;
-        u32 dspsize_reg = DSPASIZE;
-        u32 dsppos_reg = DSPAPOS;
-        u32 dspsurf_reg = DSPASURF;
-        u32 dspstatus_reg = PIPEASTAT;
-        u32 mipi_reg = MIPI;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 palette_reg = PALETTE_A;
-
-        /* values */
-        u32 dpll_val = dev_priv->saveDPLL_A & ~DPLL_VCO_ENABLE;
-        u32 fp_val = dev_priv->saveFPA0;
-        u32 pipeconf_val = dev_priv->savePIPEACONF;
-        u32 htot_val = dev_priv->saveHTOTAL_A;
-        u32 hblank_val = dev_priv->saveHBLANK_A;
-        u32 hsync_val = dev_priv->saveHSYNC_A;
-        u32 vtot_val = dev_priv->saveVTOTAL_A;
-        u32 vblank_val = dev_priv->saveVBLANK_A;
-        u32 vsync_val = dev_priv->saveVSYNC_A;
-        u32 pipesrc_val = dev_priv->savePIPEASRC;
-        u32 dspstride_val = dev_priv->saveDSPASTRIDE;
-        u32 dsplinoff_val = dev_priv->saveDSPALINOFF;
-        u32 dsptileoff_val = dev_priv->saveDSPATILEOFF;
-        u32 dspsize_val = dev_priv->saveDSPASIZE;
-        u32 dsppos_val = dev_priv->saveDSPAPOS;
-        u32 dspsurf_val = dev_priv->saveDSPASURF;
-        u32 dspstatus_val = dev_priv->saveDSPASTATUS;
-        u32 mipi_val = dev_priv->saveMIPI;
-        u32 dspcntr_val = dev_priv->saveDSPACNTR;
-        u32 *palette_val = dev_priv->save_palette_a;
-
-        switch (pipe) {
-        case 0:
-                dsi_config = dev_priv->dsi_configs[0];
-                break;
-        case 1:
-                /* register */
-                dpll_reg = MDFLD_DPLL_B;
-                fp_reg = MDFLD_DPLL_DIV0;
-                pipeconf_reg = PIPEBCONF;
-                htot_reg = HTOTAL_B;
-                hblank_reg = HBLANK_B;
-                hsync_reg = HSYNC_B;
-                vtot_reg = VTOTAL_B;
-                vblank_reg = VBLANK_B;
-                vsync_reg = VSYNC_B;
-                pipesrc_reg = PIPEBSRC;
-                dspstride_reg = DSPBSTRIDE;
-                dsplinoff_reg = DSPBLINOFF;
-                dsptileoff_reg = DSPBTILEOFF;
-                dspsize_reg = DSPBSIZE;
-                dsppos_reg = DSPBPOS;
-                dspsurf_reg = DSPBSURF;
-                dspcntr_reg = DSPBCNTR;
-                palette_reg = PALETTE_B;
-                dspstatus_reg = PIPEBSTAT;
-
-                /* values */
-                dpll_val = dev_priv->saveDPLL_B & ~DPLL_VCO_ENABLE;
-                fp_val = dev_priv->saveFPB0;
-                pipeconf_val = dev_priv->savePIPEBCONF;
-                htot_val = dev_priv->saveHTOTAL_B;
-                hblank_val = dev_priv->saveHBLANK_B;
-                hsync_val = dev_priv->saveHSYNC_B;
-                vtot_val = dev_priv->saveVTOTAL_B;
-                vblank_val = dev_priv->saveVBLANK_B;
-                vsync_val = dev_priv->saveVSYNC_B;
-                pipesrc_val = dev_priv->savePIPEBSRC;
-                dspstride_val = dev_priv->saveDSPBSTRIDE;
-                dsplinoff_val = dev_priv->saveDSPBLINOFF;
-                dsptileoff_val = dev_priv->saveDSPBTILEOFF;
-                dspsize_val = dev_priv->saveDSPBSIZE;
-                dsppos_val = dev_priv->saveDSPBPOS;
-                dspsurf_val = dev_priv->saveDSPBSURF;
-                dspcntr_val = dev_priv->saveDSPBCNTR;
-                dspstatus_val = dev_priv->saveDSPBSTATUS;
-                palette_val = dev_priv->save_palette_b;
-                break;
-        case 2:
-                reg_offset = MIPIC_REG_OFFSET;
-
-                /* register */
-                pipeconf_reg = PIPECCONF;
-                htot_reg = HTOTAL_C;
-                hblank_reg = HBLANK_C;
-                hsync_reg = HSYNC_C;
-                vtot_reg = VTOTAL_C;
-                vblank_reg = VBLANK_C;
-                vsync_reg = VSYNC_C;
-                pipesrc_reg = PIPECSRC;
-                dspstride_reg = DSPCSTRIDE;
-                dsplinoff_reg = DSPCLINOFF;
-                dsptileoff_reg = DSPCTILEOFF;
-                dspsize_reg = DSPCSIZE;
-                dsppos_reg = DSPCPOS;
-                dspsurf_reg = DSPCSURF;
-                mipi_reg = MIPI_C;
-                dspcntr_reg = DSPCCNTR;
-                palette_reg = PALETTE_C;
-                dspstatus_reg = PIPECSTAT;
-
-                /* values */
-                pipeconf_val = dev_priv->savePIPECCONF;
-                htot_val = dev_priv->saveHTOTAL_C;
-                hblank_val = dev_priv->saveHBLANK_C;
-                hsync_val = dev_priv->saveHSYNC_C;
-                vtot_val = dev_priv->saveVTOTAL_C;
-                vblank_val = dev_priv->saveVBLANK_C;
-                vsync_val = dev_priv->saveVSYNC_C;
-                pipesrc_val = dev_priv->savePIPECSRC;
-                dspstride_val = dev_priv->saveDSPCSTRIDE;
-                dsplinoff_val = dev_priv->saveDSPCLINOFF;
-                dsptileoff_val = dev_priv->saveDSPCTILEOFF;
-                dspsize_val = dev_priv->saveDSPCSIZE;
-                dsppos_val = dev_priv->saveDSPCPOS;
-                dspsurf_val = dev_priv->saveDSPCSURF;
-                dspstatus_val = dev_priv->saveDSPCSTATUS;
-                mipi_val = dev_priv->saveMIPI_C;
-                dspcntr_val = dev_priv->saveDSPCCNTR;
-                palette_val = dev_priv->save_palette_c;
-
-                dsi_config = dev_priv->dsi_configs[1];
-                break;
-        default:
-                DRM_ERROR("%s, invalid pipe number.\n", __func__);
-                return -EINVAL;
-        }
-
-        /* Make sure VGA plane is off. it initializes to on after reset!*/
-        PSB_WVDC32(0x80000000, VGACNTRL);
-        if (pipe == 1) {
-                PSB_WVDC32(dpll_val & ~DPLL_VCO_ENABLE, dpll_reg);
-                PSB_RVDC32(dpll_reg);
-
-                PSB_WVDC32(fp_val, fp_reg);
-        } else {
-                dpll = PSB_RVDC32(dpll_reg);
-
-                if (!(dpll & DPLL_VCO_ENABLE)) {
-
-                        /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-                        if (dpll & MDFLD_PWR_GATE_EN) {
-                                dpll &= ~MDFLD_PWR_GATE_EN;
-                                PSB_WVDC32(dpll, dpll_reg);
-                                udelay(500);    /* FIXME: 1 ? */
-                        }
-
-                        PSB_WVDC32(fp_val, fp_reg);
-                        PSB_WVDC32(dpll_val, dpll_reg);
-                        /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                        udelay(500);
-
-                        dpll_val |= DPLL_VCO_ENABLE;
-                        PSB_WVDC32(dpll_val, dpll_reg);
-                        PSB_RVDC32(dpll_reg);
-
-                        /* wait for DSI PLL to lock */
-                        while ((timeout < 20000) && !(PSB_RVDC32(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-                                udelay(150);
-                                timeout++;
-                        }
-
-                        if (timeout == 20000) {
-                                DRM_ERROR("%s, can't lock DSIPLL.\n",
-                                                        __func__);
-                                return -EINVAL;
-                        }
-                }
-        }
-        /* Restore mode */
-        PSB_WVDC32(htot_val, htot_reg);
-        PSB_WVDC32(hblank_val, hblank_reg);
-        PSB_WVDC32(hsync_val, hsync_reg);
-        PSB_WVDC32(vtot_val, vtot_reg);
-        PSB_WVDC32(vblank_val, vblank_reg);
-        PSB_WVDC32(vsync_val, vsync_reg);
-        PSB_WVDC32(pipesrc_val, pipesrc_reg);
-        PSB_WVDC32(dspstatus_val, dspstatus_reg);
-
-        /* Set up the plane */
-        PSB_WVDC32(dspstride_val, dspstride_reg);
-        PSB_WVDC32(dsplinoff_val, dsplinoff_reg);
-        PSB_WVDC32(dsptileoff_val, dsptileoff_reg);
-        PSB_WVDC32(dspsize_val, dspsize_reg);
-        PSB_WVDC32(dsppos_val, dsppos_reg);
-        PSB_WVDC32(dspsurf_val, dspsurf_reg);
-
-        if (pipe == 1) {
-                PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
-                PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
-                PSB_WVDC32(dev_priv->saveHDMIPHYMISCCTL, HDMIPHYMISCCTL);
-                PSB_WVDC32(dev_priv->saveHDMIB_CONTROL, HDMIB_CONTROL);
-
-        } else {
-                /* Set up pipe related registers */
-                PSB_WVDC32(mipi_val, mipi_reg);
-                /* Setup MIPI adapter + MIPI IP registers */
-                mdfld_dsi_controller_init(dsi_config, pipe);
-                msleep(20);
-        }
-        /* Enable the plane */
-        PSB_WVDC32(dspcntr_val, dspcntr_reg);
-        msleep(20);
-        /* Enable the pipe */
-        PSB_WVDC32(pipeconf_val, pipeconf_reg);
-
-        for (i = 0; i < 256; i++)
-                PSB_WVDC32(palette_val[i], palette_reg + (i<<2));
-        if (pipe == 1)
-                return 0;
-        if (!mdfld_panel_dpi(dev))
-                mdfld_enable_te(dev, pipe);
-        return 0;
-}
-
-/**
- * mdfld_restore_cursor_overlay_registers       -       restore cursor
- * @dev: our device
- *
- * Restore the cursor and overlay state that was saved earlier
- */
-static int mdfld_restore_cursor_overlay_registers(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        /* Enable Cursor A */
-        PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
-        PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
-        PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
-
-        PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
-        PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
-        PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
-
-        PSB_WVDC32(dev_priv->saveDSPCCURSOR_CTRL, CURCCNTR);
-        PSB_WVDC32(dev_priv->saveDSPCCURSOR_POS, CURCPOS);
-        PSB_WVDC32(dev_priv->saveDSPCCURSOR_BASE, CURCBASE);
-
-        /* Restore HW overlay */
-        PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
-
-        PSB_WVDC32(dev_priv->saveOV_OVADD_C, OV_OVADD + OV_C_OFFSET);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC0_C, OV_OGAMC0 + OV_C_OFFSET);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC1_C, OV_OGAMC1 + OV_C_OFFSET);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC2_C, OV_OGAMC2 + OV_C_OFFSET);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC3_C, OV_OGAMC3 + OV_C_OFFSET);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC4_C, OV_OGAMC4 + OV_C_OFFSET);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC5_C, OV_OGAMC5 + OV_C_OFFSET);
-
-        return 0;
-}
-
-/**
- *      mdfld_save_display_registers    -       save registers lost on suspend
- *      @dev: our DRM device
- *
- *      Save the state we need in order to be able to restore the interface
- *      upon resume from suspend
- */
-static int mdfld_save_registers(struct drm_device *dev)
-{
-        /* FIXME: We need to shut down panels here if using them
-           and once the right bits are merged */
-        mdfld_save_cursor_overlay_registers(dev);
-        mdfld_save_display_registers(dev, 0);
-        mdfld_save_display_registers(dev, 0);
-        mdfld_save_display_registers(dev, 2);
-        mdfld_save_display_registers(dev, 1);
-        mdfld_disable_crtc(dev, 0);
-        mdfld_disable_crtc(dev, 2);
-        mdfld_disable_crtc(dev, 1);
-        return 0;
-}
-
-/**
- *      mdfld_restore_display_registers -       restore lost register state
- *      @dev: our DRM device
- *
- *      Restore register state that was lost during suspend and resume.
- */
-static int mdfld_restore_registers(struct drm_device *dev)
-{
-        mdfld_restore_display_registers(dev, 1);
-        mdfld_restore_display_registers(dev, 0);
-        mdfld_restore_display_registers(dev, 2);
-        mdfld_restore_cursor_overlay_registers(dev);
-        return 0;
-}
-
-static int mdfld_power_down(struct drm_device *dev)
-{
-        /* FIXME */
-        return 0;
-}
-
-static int mdfld_power_up(struct drm_device *dev)
-{
-        /* FIXME */
-        return 0;
-}
-
-const struct psb_ops mdfld_chip_ops = {
-        .name = "Medfield",
-        .accel_2d = 0,
-        .pipes = 3,
-        .crtcs = 2,
-        .sgx_offset = MRST_SGX_OFFSET,
-
-        .chip_setup = mid_chip_setup,
-
-        .crtc_helper = &mdfld_helper_funcs,
-        .crtc_funcs = &mdfld_intel_crtc_funcs,
-
-        .output_init = mdfld_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        .backlight_init = mdfld_backlight_init,
-#endif
-
-        .init_pm = mdfld_init_pm,
-        .save_regs = mdfld_save_registers,
-        .restore_regs = mdfld_restore_registers,
-        .power_down = mdfld_power_down,
-        .power_up = mdfld_power_up,
-};
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.c b/drivers/staging/gma500/mdfld_dsi_dbi.c
deleted file mode 100644
index fd211f3467c4..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi.c
+++ /dev/null
@@ -1,761 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *  jim liu <jim.liu@intel.com>
- *  Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-int enable_gfx_rtpm;
-
-extern struct drm_device *gpDrmDevice;
-extern int gfxrtdelay;
-int enter_dsr;
-struct mdfld_dsi_dbi_output *gdbi_output;
-extern bool gbgfxsuspended;
-extern int enable_gfx_rtpm;
-extern int gfxrtdelay;
-
-#define MDFLD_DSR_MAX_IDLE_COUNT        2
-
-/*
- * set refreshing area
- */
-int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output,
-                                u16 x1, u16 y1, u16 x2, u16 y2)
-{
-        struct mdfld_dsi_pkg_sender *sender =
-                mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-        u8 param[4];
-        u8 cmd;
-        int err;
-
-        if (!sender) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
-        /* Set column */
-        cmd = DCS_SET_COLUMN_ADDRESS;
-        param[0] = x1 >> 8;
-        param[1] = x1;
-        param[2] = x2 >> 8;
-        param[3] = x2;
-
-        err = mdfld_dsi_send_dcs(sender,
-                                 cmd,
-                                 param,
-                                 4,
-                                 CMD_DATA_SRC_SYSTEM_MEM,
-                                 MDFLD_DSI_QUEUE_PACKAGE);
-        if (err) {
-                dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-                goto err_out;
-        }
-
-        /* Set page */
-        cmd = DCS_SET_PAGE_ADDRESS;
-        param[0] = y1 >> 8;
-        param[1] = y1;
-        param[2] = y2 >> 8;
-        param[3] = y2;
-
-        err = mdfld_dsi_send_dcs(sender,
-                                 cmd,
-                                 param,
-                                 4,
-                                 CMD_DATA_SRC_SYSTEM_MEM,
-                                 MDFLD_DSI_QUEUE_PACKAGE);
-        if (err) {
-                dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-                goto err_out;
-        }
-
-        /*update screen*/
-        err = mdfld_dsi_send_dcs(sender,
-                                 write_mem_start,
-                                 NULL,
-                                 0,
-                                 CMD_DATA_SRC_PIPE,
-                                 MDFLD_DSI_QUEUE_PACKAGE);
-        if (err) {
-                dev_err(sender->dev->dev, "DCS 0x%x sent failed\n", cmd);
-                goto err_out;
-        }
-        mdfld_dsi_cmds_kick_out(sender);
-err_out:
-        return err;
-}
-
-/*
- * set panel's power state
- */
-int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output,
-                                                                int mode)
-{
-        struct drm_device *dev = dbi_output->dev;
-        struct mdfld_dsi_pkg_sender *sender =
-                mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-        u8 param = 0;
-        u32 err = 0;
-
-        if (!sender) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
-        if (mode == DRM_MODE_DPMS_ON) {
-                /* Exit sleep mode */
-                err = mdfld_dsi_send_dcs(sender,
-                                         DCS_EXIT_SLEEP_MODE,
-                                         NULL,
-                                         0,
-                                         CMD_DATA_SRC_SYSTEM_MEM,
-                                         MDFLD_DSI_QUEUE_PACKAGE);
-                if (err) {
-                        dev_err(dev->dev, "DCS 0x%x sent failed\n",
-                                                DCS_EXIT_SLEEP_MODE);
-                        goto power_err;
-                }
-
-                /* Set display on */
-                err = mdfld_dsi_send_dcs(sender,
-                                         DCS_SET_DISPLAY_ON,
-                                         NULL,
-                                         0,
-                                         CMD_DATA_SRC_SYSTEM_MEM,
-                                         MDFLD_DSI_QUEUE_PACKAGE);
-                if (err) {
-                        dev_err(dev->dev, "DCS 0x%x sent failed\n",
-                                                        DCS_SET_DISPLAY_ON);
-                        goto power_err;
-                }
-
-                /* set tear effect on */
-                err = mdfld_dsi_send_dcs(sender,
-                                         DCS_SET_TEAR_ON,
-                                         &param,
-                                         1,
-                                         CMD_DATA_SRC_SYSTEM_MEM,
-                                         MDFLD_DSI_QUEUE_PACKAGE);
-                if (err) {
-                        dev_err(dev->dev, "DCS 0x%x sent failed\n",
-                                                        set_tear_on);
-                        goto power_err;
-                }
-
-                /**
-                 * FIXME: remove this later
-                 */
-                err = mdfld_dsi_send_dcs(sender,
-                                         DCS_WRITE_MEM_START,
-                                         NULL,
-                                         0,
-                                         CMD_DATA_SRC_PIPE,
-                                         MDFLD_DSI_QUEUE_PACKAGE);
-                if (err) {
-                        dev_err(dev->dev, "DCS 0x%x sent failed\n",
-                                                DCS_WRITE_MEM_START);
-                        goto power_err;
-                }
-        } else {
-                /* Set tear effect off */
-                err = mdfld_dsi_send_dcs(sender,
-                                         DCS_SET_TEAR_OFF,
-                                         NULL,
-                                         0,
-                                         CMD_DATA_SRC_SYSTEM_MEM,
-                                         MDFLD_DSI_QUEUE_PACKAGE);
-                if (err) {
-                        dev_err(dev->dev, "DCS 0x%x sent failed\n",
-                                                        DCS_SET_TEAR_OFF);
-                        goto power_err;
-                }
-
-                /* Turn display off */
-                err = mdfld_dsi_send_dcs(sender,
-                                         DCS_SET_DISPLAY_OFF,
-                                         NULL,
-                                         0,
-                                         CMD_DATA_SRC_SYSTEM_MEM,
-                                         MDFLD_DSI_QUEUE_PACKAGE);
-                if (err) {
-                        dev_err(dev->dev, "DCS 0x%x sent failed\n",
-                                                DCS_SET_DISPLAY_OFF);
-                        goto power_err;
-                }
-
-                /* Now enter sleep mode */
-                err = mdfld_dsi_send_dcs(sender,
-                                         DCS_ENTER_SLEEP_MODE,
-                                         NULL,
-                                         0,
-                                         CMD_DATA_SRC_SYSTEM_MEM,
-                                         MDFLD_DSI_QUEUE_PACKAGE);
-                if (err) {
-                        dev_err(dev->dev, "DCS 0x%x sent failed\n",
-                                                        DCS_ENTER_SLEEP_MODE);
-                        goto power_err;
-                }
-        }
-        mdfld_dsi_cmds_kick_out(sender);
-power_err:
-        return err;
-}
-
-/*
- * send a generic DCS command with a parameter list
- */
-int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output,
-                        u8 dcs,  u8 *param, u32 num, u8 data_src)
-{
-        struct mdfld_dsi_pkg_sender *sender =
-                mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-        int ret;
-
-        if (!sender) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
-        ret = mdfld_dsi_send_dcs(sender,
-                                 dcs,
-                                 param,
-                                 num,
-                                 data_src,
-                                 MDFLD_DSI_SEND_PACKAGE);
-
-        return ret;
-}
-
-/*
- * Enter DSR
- */
-void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
-{
-        u32 reg_val;
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_crtc *crtc = dbi_output->base.base.crtc;
-        struct psb_intel_crtc *psb_crtc = (crtc) ?
-                                        to_psb_intel_crtc(crtc) : NULL;
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 dspcntr_reg = DSPACNTR;
-
-        if (!dbi_output)
-                return;
-
-        /* FIXME check if can go */
-        dev_priv->is_in_idle = true;
-
-        gdbi_output = dbi_output;
-        if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-                (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-                return;
-
-        if (pipe == 2) {
-                dpll_reg = MRST_DPLL_A;
-                pipeconf_reg = PIPECCONF;
-                dspcntr_reg = DSPCCNTR;
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-        /* Disable te interrupts */
-        mdfld_disable_te(dev, pipe);
-
-        /* Disable plane */
-        reg_val = REG_READ(dspcntr_reg);
-        if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-                REG_WRITE(dspcntr_reg, reg_val & ~DISPLAY_PLANE_ENABLE);
-                REG_READ(dspcntr_reg);
-        }
-
-        /* Disable pipe */
-        reg_val = REG_READ(pipeconf_reg);
-        if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-                reg_val &= ~DISPLAY_PLANE_ENABLE;
-                reg_val |= (PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF);
-                REG_WRITE(pipeconf_reg, reg_val);
-                REG_READ(pipeconf_reg);
-                mdfldWaitForPipeDisable(dev, pipe);
-        }
-
-        /* Disable DPLL */
-        reg_val = REG_READ(dpll_reg);
-        if (!(reg_val & DPLL_VCO_ENABLE)) {
-                reg_val &= ~DPLL_VCO_ENABLE;
-                REG_WRITE(dpll_reg, reg_val);
-                REG_READ(dpll_reg);
-                udelay(500);
-        }
-
-        gma_power_end(dev);
-        dbi_output->mode_flags |= MODE_SETTING_IN_DSR;
-        if (pipe == 2) {
-                enter_dsr = 1;
-                /* pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */
-        }
-}
-
-static void mdfld_dbi_output_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-                        int pipe)
-{
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_crtc *crtc = dbi_output->base.base.crtc;
-        struct psb_intel_crtc *psb_crtc = (crtc) ?
-                                        to_psb_intel_crtc(crtc) : NULL;
-        u32 reg_val;
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 reg_offset = 0;
-
-        /*if mode setting on-going, back off*/
-        if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-                (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-                return;
-
-        if (pipe == 2) {
-                dpll_reg = MRST_DPLL_A;
-                pipeconf_reg = PIPECCONF;
-                dspcntr_reg = DSPCCNTR;
-                reg_offset = MIPIC_REG_OFFSET;
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-
-        /* Enable DPLL */
-        reg_val = REG_READ(dpll_reg);
-        if (!(reg_val & DPLL_VCO_ENABLE)) {
-                if (reg_val & MDFLD_PWR_GATE_EN) {
-                        reg_val &= ~MDFLD_PWR_GATE_EN;
-                        REG_WRITE(dpll_reg, reg_val);
-                        REG_READ(dpll_reg);
-                        udelay(500);
-                }
-
-                reg_val |= DPLL_VCO_ENABLE;
-                REG_WRITE(dpll_reg, reg_val);
-                REG_READ(dpll_reg);
-                udelay(500);
-
-                /* Add timeout */
-                while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK))
-                        cpu_relax();
-        }
-
-        /* Enable pipe */
-        reg_val = REG_READ(pipeconf_reg);
-        if (!(reg_val & PIPEACONF_ENABLE)) {
-                reg_val |= PIPEACONF_ENABLE;
-                REG_WRITE(pipeconf_reg, reg_val);
-                REG_READ(pipeconf_reg);
-                udelay(500);
-                mdfldWaitForPipeEnable(dev, pipe);
-        }
-
-        /* Enable plane */
-        reg_val = REG_READ(dspcntr_reg);
-        if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-                reg_val |= DISPLAY_PLANE_ENABLE;
-                REG_WRITE(dspcntr_reg, reg_val);
-                REG_READ(dspcntr_reg);
-                udelay(500);
-        }
-
-        /* Enable TE interrupt on this pipe */
-        mdfld_enable_te(dev, pipe);
-        gma_power_end(dev);
-
-        /*clean IN_DSR flag*/
-        dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-}
-
-/*
- * Exit from DSR
- */
-void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-        struct mdfld_dsi_dbi_output **dbi_output;
-        int i;
-        int pipe;
-
-        /* FIXME can go ? */
-        dev_priv->is_in_idle = false;
-        dbi_output = dsr_info->dbi_outputs;
-
-#ifdef CONFIG_PM_RUNTIME
-         if (!enable_gfx_rtpm) {
-/*                pm_runtime_allow(&gpDrmDevice->pdev->dev); */
-/*              schedule_delayed_work(&rtpm_work, 30 * 1000);*/ /* FIXME: HZ ? */
-        }
-#endif
-
-        /* For each output, exit dsr */
-        for (i = 0; i < dsr_info->dbi_output_num; i++) {
-                /* If panel has been turned off, skip */
-                if (!dbi_output[i] || !dbi_output[i]->dbi_panel_on)
-                        continue;
-                pipe = dbi_output[i]->channel_num ? 2 : 0;
-                enter_dsr = 0;
-                mdfld_dbi_output_exit_dsr(dbi_output[i], pipe);
-        }
-        dev_priv->dsr_fb_update |= update_src;
-}
-
-static bool mdfld_dbi_is_in_dsr(struct drm_device *dev)
-{
-        if (REG_READ(MRST_DPLL_A) & DPLL_VCO_ENABLE)
-                return false;
-        if ((REG_READ(PIPEACONF) & PIPEACONF_ENABLE) ||
-           (REG_READ(PIPECCONF) & PIPEACONF_ENABLE))
-                return false;
-        if ((REG_READ(DSPACNTR) & DISPLAY_PLANE_ENABLE) ||
-           (REG_READ(DSPCCNTR) & DISPLAY_PLANE_ENABLE))
-                return false;
-
-        return true;
-}
-
-/* Periodically update dbi panel */
-void mdfld_dbi_update_panel(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-        struct mdfld_dsi_dbi_output **dbi_outputs;
-        struct mdfld_dsi_dbi_output *dbi_output;
-        int i;
-        int can_enter_dsr = 0;
-        u32 damage_mask;
-
-        dbi_outputs = dsr_info->dbi_outputs;
-        dbi_output = pipe ? dbi_outputs[1] : dbi_outputs[0];
-
-        if (!dbi_output)
-                return;
-
-        if (pipe == 0)
-                damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_0;
-        else if (pipe == 2)
-                damage_mask = dev_priv->dsr_fb_update & MDFLD_DSR_DAMAGE_MASK_2;
-        else
-                return;
-
-        /* If FB is damaged and panel is on update on-panel FB */
-        if (damage_mask && dbi_output->dbi_panel_on) {
-                dbi_output->dsr_fb_update_done = false;
-
-                if (dbi_output->p_funcs->update_fb)
-                        dbi_output->p_funcs->update_fb(dbi_output, pipe);
-
-                if (dev_priv->dsr_enable && dbi_output->dsr_fb_update_done)
-                        dev_priv->dsr_fb_update &= ~damage_mask;
-
-                /*clean IN_DSR flag*/
-                dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-
-                dbi_output->dsr_idle_count = 0;
-        } else {
-                dbi_output->dsr_idle_count++;
-        }
-
-        switch (dsr_info->dbi_output_num) {
-        case 1:
-                if (dbi_output->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT)
-                        can_enter_dsr = 1;
-                break;
-        case 2:
-                if (dbi_outputs[0]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT
-                   && dbi_outputs[1]->dsr_idle_count > MDFLD_DSR_MAX_IDLE_COUNT)
-                        can_enter_dsr = 1;
-                break;
-        default:
-                DRM_ERROR("Wrong DBI output number\n");
-        }
-
-        /* Try to enter DSR */
-        if (can_enter_dsr) {
-                for (i = 0; i < dsr_info->dbi_output_num; i++) {
-                        if (!mdfld_dbi_is_in_dsr(dev) && dbi_outputs[i] &&
-                           !(dbi_outputs[i]->mode_flags & MODE_SETTING_ON_GOING)) {
-                                mdfld_dsi_dbi_enter_dsr(dbi_outputs[i],
-                                        dbi_outputs[i]->channel_num ? 2 : 0);
-#if 0
-                                enter_dsr = 1;
-                                pr_err("%s: enter_dsr = 1\n", __func__);
-#endif
-                        }
-                }
-        /*schedule rpm suspend after gfxrtdelay*/
-#ifdef CONFIG_GFX_RTPM
-                if (!dev_priv->rpm_enabled
-                        || !enter_dsr
-        /*              || (REG_READ(HDMIB_CONTROL) & HDMIB_PORT_EN) */
-                        || pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay))
-                        dev_warn(dev->dev,
-                                "Runtime PM schedule suspend failed, rpm %d\n",
-                                        dev_priv->rpm_enabled);
-#endif
-        }
-}
-
-int mdfld_dbi_dsr_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-
-        if (!dsr_info || IS_ERR(dsr_info)) {
-                dsr_info = kzalloc(sizeof(struct mdfld_dbi_dsr_info),
-                                                                GFP_KERNEL);
-                if (!dsr_info) {
-                        dev_err(dev->dev, "No memory\n");
-                        return -ENOMEM;
-                }
-                dev_priv->dbi_dsr_info = dsr_info;
-        }
-        return 0;
-}
-
-void mdfld_dbi_dsr_exit(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dsr_info *dsr_info = dev_priv->dbi_dsr_info;
-
-        if (dsr_info) {
-                kfree(dsr_info);
-                dev_priv->dbi_dsr_info = NULL;
-        }
-}
-
-void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-                                                                int pipe)
-{
-        struct drm_device *dev = dsi_config->dev;
-        u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        int lane_count = dsi_config->lane_count;
-        u32 val = 0;
-
-        dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe);
-
-        /* Un-ready device */
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-        /* Init dsi adapter before kicking off */
-        REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-        /* TODO: figure out how to setup these registers */
-        REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-        REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset),
-                                                        0x000a0014);
-        REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-        REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001);
-        REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-        /* Enable all interrupts */
-        REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-        /* Max value: 20 clock cycles of txclkesc */
-        REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-        /* Min 21 txclkesc, max: ffffh */
-        REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-        /* Min: 7d0 max: 4e20 */
-        REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-        /* Set up func_prg */
-        val |= lane_count;
-        val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-        val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-        REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-        REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-        REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-        /* De-assert dbi_stall when half of DBI FIFO is empty */
-        /* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */
-
-        REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-        REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-        REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-#if 0
-/*DBI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = {
-        .dpms = mdfld_dsi_dbi_dpms,
-        .mode_fixup = mdfld_dsi_dbi_mode_fixup,
-        .prepare = mdfld_dsi_dbi_prepare,
-        .mode_set = mdfld_dsi_dbi_mode_set,
-        .commit = mdfld_dsi_dbi_commit,
-};
-
-/*DBI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-        .destroy = drm_encoder_cleanup,
-};
-
-#endif
-
-/*
- * Init DSI DBI encoder.
- * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
- * return pointer of newly allocated DBI encoder, NULL on error
- */
-struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
-                                struct mdfld_dsi_connector *dsi_connector,
-                                struct panel_funcs *p_funcs)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dsi_dbi_output *dbi_output = NULL;
-        struct mdfld_dsi_config *dsi_config;
-        struct drm_connector *connector = NULL;
-        struct drm_encoder *encoder = NULL;
-        struct drm_display_mode *fixed_mode = NULL;
-        struct psb_gtt *pg = dev_priv ? (&dev_priv->gtt) : NULL;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv ? (dev_priv->dbi_dpu_info) : NULL;
-        struct mdfld_dbi_dsr_info *dsr_info = dev_priv ? (dev_priv->dbi_dsr_info) : NULL;
-        u32 data = 0;
-        int pipe;
-        int ret;
-
-        if (!pg || !dsi_connector || !p_funcs) {
-                WARN_ON(1);
-                return NULL;
-        }
-
-        dsi_config = mdfld_dsi_get_config(dsi_connector);
-        pipe = dsi_connector->pipe;
-
-        /*panel hard-reset*/
-        if (p_funcs->reset) {
-                ret = p_funcs->reset(pipe);
-                if (ret) {
-                        DRM_ERROR("Panel %d hard-reset failed\n", pipe);
-                        return NULL;
-                }
-        }
-        /* Panel drvIC init */
-        if (p_funcs->drv_ic_init)
-                p_funcs->drv_ic_init(dsi_config, pipe);
-
-        /* Panel power mode detect */
-        ret = mdfld_dsi_get_power_mode(dsi_config,
-                                       &data,
-                                       MDFLD_DSI_HS_TRANSMISSION);
-        if (ret) {
-                DRM_ERROR("Panel %d get power mode failed\n", pipe);
-                dsi_connector->status = connector_status_disconnected;
-        } else {
-                DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
-                dsi_connector->status = connector_status_connected;
-        }
-
-        /*TODO: get panel info from DDB*/
-
-        dbi_output = kzalloc(sizeof(struct mdfld_dsi_dbi_output), GFP_KERNEL);
-        if (!dbi_output) {
-                dev_err(dev->dev, "No memory\n");
-                return NULL;
-        }
-
-        if (dsi_connector->pipe == 0) {
-                dbi_output->channel_num = 0;
-                dev_priv->dbi_output = dbi_output;
-        } else if (dsi_connector->pipe == 2) {
-                dbi_output->channel_num = 1;
-                dev_priv->dbi_output2 = dbi_output;
-        } else {
-                dev_err(dev->dev, "only support 2 DSI outputs\n");
-                goto out_err1;
-        }
-
-        dbi_output->dev = dev;
-        dbi_output->p_funcs = p_funcs;
-        fixed_mode = dsi_config->fixed_mode;
-        dbi_output->panel_fixed_mode = fixed_mode;
-
-        /* Create drm encoder object */
-        connector = &dsi_connector->base.base;
-        encoder = &dbi_output->base.base;
-        /* Review this if we ever get MIPI-HDMI bridges or similar */
-        drm_encoder_init(dev,
-                        encoder,
-                        p_funcs->encoder_funcs,
-                        DRM_MODE_ENCODER_LVDS);
-        drm_encoder_helper_add(encoder, p_funcs->encoder_helper_funcs);
-
-        /* Attach to given connector */
-        drm_mode_connector_attach_encoder(connector, encoder);
-
-        /* Set possible CRTCs and clones */
-        if (dsi_connector->pipe) {
-                encoder->possible_crtcs = (1 << 2);
-                encoder->possible_clones = (1 << 1);
-        } else {
-                encoder->possible_crtcs = (1 << 0);
-                encoder->possible_clones = (1 << 0);
-        }
-
-        dev_priv->dsr_fb_update = 0;
-        dev_priv->dsr_enable = false;
-        dev_priv->exit_idle = mdfld_dsi_dbi_exit_dsr;
-
-        dbi_output->first_boot = true;
-        dbi_output->mode_flags = MODE_SETTING_IN_ENCODER;
-
-        /* Add this output to dpu_info if in DPU mode */
-        if (dpu_info && dsi_connector->status == connector_status_connected) {
-                if (dsi_connector->pipe == 0)
-                        dpu_info->dbi_outputs[0] = dbi_output;
-                else
-                        dpu_info->dbi_outputs[1] = dbi_output;
-
-                dpu_info->dbi_output_num++;
-        } else if (dsi_connector->status == connector_status_connected) {
-                /* Add this output to dsr_info if not */
-                if (dsi_connector->pipe == 0)
-                        dsr_info->dbi_outputs[0] = dbi_output;
-                else
-                        dsr_info->dbi_outputs[1] = dbi_output;
-
-                dsr_info->dbi_output_num++;
-        }
-        return &dbi_output->base;
-out_err1:
-        kfree(dbi_output);
-        return NULL;
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi.h b/drivers/staging/gma500/mdfld_dsi_dbi.h
deleted file mode 100644
index f0fa986fd934..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi.h
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DBI_H__
-#define __MDFLD_DSI_DBI_H__
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-/*
- * DBI encoder which inherits from mdfld_dsi_encoder
- */
-struct mdfld_dsi_dbi_output {
-        struct mdfld_dsi_encoder base;
-        struct drm_display_mode *panel_fixed_mode;
-        u8 last_cmd;
-        u8 lane_count;
-        u8 channel_num;
-        struct drm_device *dev;
-
-        /* Backlight operations */
-
-        /* DSR timer */
-        u32 dsr_idle_count;
-        bool dsr_fb_update_done;
-
-        /* Mode setting flags */
-        u32 mode_flags;
-
-        /* Panel status */
-        bool dbi_panel_on;
-        bool first_boot;
-        struct panel_funcs *p_funcs;
-
-        /* DPU */
-        u32 *dbi_cb_addr;
-        u32 dbi_cb_phy;
-        spinlock_t cb_lock;
-        u32 cb_write;
-};
-
-#define MDFLD_DSI_DBI_OUTPUT(dsi_encoder) \
-        container_of(dsi_encoder, struct mdfld_dsi_dbi_output, base)
-
-struct mdfld_dbi_dsr_info {
-        int dbi_output_num;
-        struct mdfld_dsi_dbi_output *dbi_outputs[2];
-
-        u32 dsr_idle_count;
-};
-
-#define DBI_CB_TIMEOUT_COUNT    0xffff
-
-/* Offsets */
-#define CMD_MEM_ADDR_OFFSET     0
-
-#define CMD_DATA_SRC_SYSTEM_MEM 0
-#define CMD_DATA_SRC_PIPE       1
-
-static inline int mdfld_dsi_dbi_fifo_ready(struct mdfld_dsi_dbi_output *dbi_output)
-{
-        struct drm_device *dev = dbi_output->dev;
-        u32 retry = DBI_CB_TIMEOUT_COUNT;
-        int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0;
-        int ret = 0;
-
-        /* Query the dbi fifo status*/
-        while (retry--) {
-                if (REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset) & (1 << 27))
-                        break;
-        }
-
-        if (!retry) {
-                DRM_ERROR("Timeout waiting for DBI FIFO empty\n");
-                ret = -EAGAIN;
-        }
-        return ret;
-}
-
-static inline int mdfld_dsi_dbi_cmd_sent(struct mdfld_dsi_dbi_output *dbi_output)
-{
-        struct drm_device *dev = dbi_output->dev;
-        u32 retry = DBI_CB_TIMEOUT_COUNT;
-        int reg_offset = (dbi_output->channel_num == 1) ? MIPIC_REG_OFFSET : 0;
-        int ret = 0;
-
-        /* Query the command execution status */
-        while (retry--)
-                if (!(REG_READ(MIPIA_CMD_ADD_REG + reg_offset) & (1 << 0)))
-                        break;
-
-        if (!retry) {
-                DRM_ERROR("Timeout waiting for DBI command status\n");
-                ret = -EAGAIN;
-        }
-
-        return ret;
-}
-
-static inline int mdfld_dsi_dbi_cb_ready(struct mdfld_dsi_dbi_output *dbi_output)
-{
-        int ret = 0;
-
-        /* Query the command execution status*/
-        ret = mdfld_dsi_dbi_cmd_sent(dbi_output);
-        if (ret) {
-                DRM_ERROR("Peripheral is busy\n");
-                ret = -EAGAIN;
-        }
-        /* Query the dbi fifo status*/
-        ret = mdfld_dsi_dbi_fifo_ready(dbi_output);
-        if (ret) {
-                DRM_ERROR("DBI FIFO is not empty\n");
-                ret = -EAGAIN;
-        }
-        return ret;
-}
-
-extern void mdfld_dsi_dbi_output_init(struct drm_device *dev,
-                        struct psb_intel_mode_device *mode_dev, int pipe);
-extern void mdfld_dsi_dbi_exit_dsr(struct drm_device *dev, u32 update_src);
-extern void mdfld_dsi_dbi_enter_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-                        int pipe);
-extern int mdfld_dbi_dsr_init(struct drm_device *dev);
-extern void mdfld_dbi_dsr_exit(struct drm_device *dev);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dbi_init(struct drm_device *dev,
-                        struct mdfld_dsi_connector *dsi_connector,
-                        struct panel_funcs *p_funcs);
-extern int mdfld_dsi_dbi_send_dcs(struct mdfld_dsi_dbi_output *dbi_output,
-                        u8 dcs, u8 *param, u32 num, u8 data_src);
-extern int mdfld_dsi_dbi_update_area(struct mdfld_dsi_dbi_output *dbi_output,
-                        u16 x1, u16 y1, u16 x2, u16 y2);
-extern int mdfld_dsi_dbi_update_power(struct mdfld_dsi_dbi_output *dbi_output,
-                        int mode);
-extern void mdfld_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-                        int pipe);
-
-#endif /*__MDFLD_DSI_DBI_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
deleted file mode 100644
index a4e2ff442b1f..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.c
+++ /dev/null
@@ -1,778 +0,0 @@
-/*
- * Copyright © 2010-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_dbi.h"
-
-/*
- * NOTE: all mdlfd_x_damage funcs should be called by holding dpu_update_lock
- */
-
-static int mdfld_cursor_damage(struct mdfld_dbi_dpu_info *dpu_info,
-                           mdfld_plane_t plane,
-                           struct psb_drm_dpu_rect *damaged_rect)
-{
-        int x, y;
-        int new_x, new_y;
-        struct psb_drm_dpu_rect *rect;
-        struct psb_drm_dpu_rect *pipe_rect;
-        int cursor_size;
-        struct mdfld_cursor_info *cursor;
-        mdfld_plane_t fb_plane;
-
-        if (plane == MDFLD_CURSORA) {
-                cursor = &dpu_info->cursors[0];
-                x = dpu_info->cursors[0].x;
-                y = dpu_info->cursors[0].y;
-                cursor_size = dpu_info->cursors[0].size;
-                pipe_rect = &dpu_info->damage_pipea;
-                fb_plane = MDFLD_PLANEA;
-        } else {
-                cursor = &dpu_info->cursors[1];
-                x = dpu_info->cursors[1].x;
-                y = dpu_info->cursors[1].y;
-                cursor_size = dpu_info->cursors[1].size;
-                pipe_rect = &dpu_info->damage_pipec;
-                fb_plane = MDFLD_PLANEC;
-        }
-        new_x = damaged_rect->x;
-        new_y = damaged_rect->y;
-
-        if (x == new_x && y == new_y)
-                return 0;
-
-        rect = &dpu_info->damaged_rects[plane];
-        /* Move to right */
-        if (new_x >= x) {
-                if (new_y > y) {
-                        rect->x = x;
-                        rect->y = y;
-                        rect->width = (new_x + cursor_size) - x;
-                        rect->height = (new_y + cursor_size) - y;
-                        goto cursor_out;
-                } else {
-                        rect->x = x;
-                        rect->y = new_y;
-                        rect->width = (new_x + cursor_size) - x;
-                        rect->height = (y - new_y);
-                        goto cursor_out;
-                }
-        } else {
-                if (new_y > y) {
-                        rect->x = new_x;
-                        rect->y = y;
-                        rect->width = (x + cursor_size) - new_x;
-                        rect->height = new_y - y;
-                        goto cursor_out;
-                } else {
-                        rect->x = new_x;
-                        rect->y = new_y;
-                        rect->width = (x + cursor_size) - new_x;
-                        rect->height = (y + cursor_size) - new_y;
-                }
-        }
-cursor_out:
-        if (new_x < 0)
-                cursor->x = 0;
-        else if (new_x > 864)
-                cursor->x = 864;
-        else
-                cursor->x = new_x;
-
-        if (new_y < 0)
-                cursor->y = 0;
-        else if (new_y > 480)
-                cursor->y = 480;
-        else
-                cursor->y = new_y;
-
-        /*
-         * FIXME: this is a workaround for cursor plane update,
-         * remove it later!
-         */
-        rect->x = 0;
-        rect->y = 0;
-        rect->width = 864;
-        rect->height = 480;
-
-        mdfld_check_boundary(dpu_info, rect);
-        mdfld_dpu_region_extent(pipe_rect, rect);
-
-        /* Update pending status of dpu_info */
-        dpu_info->pending |= (1 << plane);
-        /* Update fb panel as well */
-        dpu_info->pending |= (1 << fb_plane);
-        return 0;
-}
-
-static int mdfld_fb_damage(struct mdfld_dbi_dpu_info *dpu_info,
-                                   mdfld_plane_t plane,
-                                   struct psb_drm_dpu_rect *damaged_rect)
-{
-        struct psb_drm_dpu_rect *rect;
-
-        if (plane == MDFLD_PLANEA)
-                rect = &dpu_info->damage_pipea;
-        else
-                rect = &dpu_info->damage_pipec;
-
-        mdfld_check_boundary(dpu_info, damaged_rect);
-
-        /* Add fb damage area to this pipe */
-        mdfld_dpu_region_extent(rect, damaged_rect);
-
-        /* Update pending status of dpu_info */
-        dpu_info->pending |= (1 << plane);
-        return 0;
-}
-
-/* Do nothing here, right now */
-static int mdfld_overlay_damage(struct mdfld_dbi_dpu_info *dpu_info,
-                                mdfld_plane_t plane,
-                                struct psb_drm_dpu_rect *damaged_rect)
-{
-        return 0;
-}
-
-int mdfld_dbi_dpu_report_damage(struct drm_device *dev,
-                                mdfld_plane_t plane,
-                                struct psb_drm_dpu_rect *rect)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-        int ret = 0;
-
-        /* DPU not in use, no damage reporting needed */
-        if (dpu_info == NULL)
-                return 0;
-
-        spin_lock(&dpu_info->dpu_update_lock);
-
-        switch (plane) {
-        case MDFLD_PLANEA:
-        case MDFLD_PLANEC:
-                mdfld_fb_damage(dpu_info, plane, rect);
-                break;
-        case MDFLD_CURSORA:
-        case MDFLD_CURSORC:
-                mdfld_cursor_damage(dpu_info, plane, rect);
-                break;
-        case MDFLD_OVERLAYA:
-        case MDFLD_OVERLAYC:
-                mdfld_overlay_damage(dpu_info, plane, rect);
-                break;
-        default:
-                DRM_ERROR("Invalid plane type %d\n", plane);
-                ret = -EINVAL;
-        }
-        spin_unlock(&dpu_info->dpu_update_lock);
-        return ret;
-}
-
-int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv;
-        struct mdfld_dbi_dpu_info *dpu_info;
-        struct mdfld_dsi_config  *dsi_config;
-        struct psb_drm_dpu_rect rect;
-        int i;
-
-        if (!dev) {
-                DRM_ERROR("Invalid parameter\n");
-                return -EINVAL;
-        }
-
-        dev_priv = dev->dev_private;
-        dpu_info = dev_priv->dbi_dpu_info;
-
-        /* This is fine - we may be in non DPU mode */
-        if (!dpu_info)
-                return -EINVAL;
-
-        for (i = 0; i < dpu_info->dbi_output_num; i++) {
-                dsi_config = dev_priv->dsi_configs[i];
-                if (dsi_config) {
-                        rect.x = rect.y = 0;
-                        rect.width = dsi_config->fixed_mode->hdisplay;
-                        rect.height = dsi_config->fixed_mode->vdisplay;
-                        mdfld_dbi_dpu_report_damage(dev,
-                                    i ? (MDFLD_PLANEC) : (MDFLD_PLANEA),
-                                    &rect);
-                }
-        }
-        /* Exit DSR state */
-        mdfld_dpu_exit_dsr(dev);
-        return 0;
-}
-
-int mdfld_dsi_dbi_dsr_off(struct drm_device *dev,
-                                        struct psb_drm_dpu_rect *rect)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-        mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, rect);
-
-        /* If dual display mode */
-        if (dpu_info->dbi_output_num == 2)
-                mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, rect);
-
-        /* Force dsi to exit DSR mode */
-        mdfld_dpu_exit_dsr(dev);
-        return 0;
-}
-
-static void mdfld_dpu_cursor_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-                                                 mdfld_plane_t plane)
-{
-        struct drm_device *dev = dpu_info->dev;
-        u32 curpos_reg = CURAPOS;
-        u32 curbase_reg = CURABASE;
-        u32 curcntr_reg = CURACNTR;
-        struct mdfld_cursor_info *cursor = &dpu_info->cursors[0];
-
-        if (plane == MDFLD_CURSORC) {
-                curpos_reg = CURCPOS;
-                curbase_reg = CURCBASE;
-                curcntr_reg = CURCCNTR;
-                cursor = &dpu_info->cursors[1];
-        }
-
-        REG_WRITE(curcntr_reg, REG_READ(curcntr_reg));
-        REG_WRITE(curpos_reg,
-                (((cursor->x & CURSOR_POS_MASK) << CURSOR_X_SHIFT) |
-                ((cursor->y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT)));
-        REG_WRITE(curbase_reg, REG_READ(curbase_reg));
-}
-
-static void mdfld_dpu_fb_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-                                                 mdfld_plane_t plane)
-{
-        u32 pipesrc_reg = PIPEASRC;
-        u32 dspsize_reg = DSPASIZE;
-        u32 dspoff_reg = DSPALINOFF;
-        u32 dspsurf_reg = DSPASURF;
-        u32 dspstride_reg = DSPASTRIDE;
-        u32 stride;
-        struct psb_drm_dpu_rect *rect = &dpu_info->damage_pipea;
-        struct drm_device *dev = dpu_info->dev;
-
-        if (plane == MDFLD_PLANEC) {
-                pipesrc_reg = PIPECSRC;
-                dspsize_reg = DSPCSIZE;
-                dspoff_reg = DSPCLINOFF;
-                dspsurf_reg = DSPCSURF;
-                dspstride_reg = DSPCSTRIDE;
-                rect = &dpu_info->damage_pipec;
-        }
-
-        stride = REG_READ(dspstride_reg);
-        /* FIXME: should I do the pipe src update here? */
-        REG_WRITE(pipesrc_reg, ((rect->width - 1) << 16) | (rect->height - 1));
-        /* Flush plane */
-        REG_WRITE(dspsize_reg, ((rect->height - 1) << 16) | (rect->width - 1));
-        REG_WRITE(dspoff_reg, ((rect->x * 4) + (rect->y * stride)));
-        REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-
-        /*
-         * TODO: wait for flip finished and restore the pipesrc reg,
-         * or cursor will be show at a wrong position
-         */
-}
-
-static void mdfld_dpu_overlay_plane_flush(struct mdfld_dbi_dpu_info *dpu_info,
-                                                  mdfld_plane_t plane)
-{
-}
-
-/*
- * TODO: we are still in dbi normal mode now, we will try to use partial
- * mode later.
- */
-static int mdfld_dbi_prepare_cb(struct mdfld_dsi_dbi_output *dbi_output,
-                                struct mdfld_dbi_dpu_info *dpu_info, int pipe)
-{
-        u8 *cb_addr = (u8 *)dbi_output->dbi_cb_addr;
-        u32 *index;
-        struct psb_drm_dpu_rect *rect = pipe ?
-                (&dpu_info->damage_pipec) : (&dpu_info->damage_pipea);
-
-        /* FIXME: lock command buffer, this may lead to a deadlock,
-           as we already hold the dpu_update_lock */
-        if (!spin_trylock(&dbi_output->cb_lock)) {
-                DRM_ERROR("lock command buffer failed, try again\n");
-                return -EAGAIN;
-        }
-
-        index = &dbi_output->cb_write;
-
-        if (*index) {
-                DRM_ERROR("DBI command buffer unclean\n");
-                return -EAGAIN;
-        }
-
-        /* Column address */
-        *(cb_addr + ((*index)++)) = set_column_address;
-        *(cb_addr + ((*index)++)) = rect->x >> 8;
-        *(cb_addr + ((*index)++)) = rect->x;
-        *(cb_addr + ((*index)++)) = (rect->x + rect->width - 1) >> 8;
-        *(cb_addr + ((*index)++)) = (rect->x + rect->width - 1);
-
-        *index = 8;
-
-        /* Page address */
-        *(cb_addr + ((*index)++)) = set_page_addr;
-        *(cb_addr + ((*index)++)) = rect->y >> 8;
-        *(cb_addr + ((*index)++)) = rect->y;
-        *(cb_addr + ((*index)++)) = (rect->y + rect->height - 1) >> 8;
-        *(cb_addr + ((*index)++)) = (rect->y + rect->height - 1);
-
-        *index = 16;
-
-        /*write memory*/
-        *(cb_addr + ((*index)++)) = write_mem_start;
-
-        return 0;
-}
-
-static int mdfld_dbi_flush_cb(struct mdfld_dsi_dbi_output *dbi_output, int pipe)
-{
-        u32 cmd_phy = dbi_output->dbi_cb_phy;
-        u32 *index = &dbi_output->cb_write;
-        int reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        struct drm_device *dev = dbi_output->dev;
-
-        if (*index == 0 || !dbi_output)
-                return 0;
-
-        REG_WRITE((MIPIA_CMD_LEN_REG + reg_offset), 0x010505);
-        REG_WRITE((MIPIA_CMD_ADD_REG + reg_offset), cmd_phy | 3);
-
-        *index = 0;
-
-        /* FIXME: unlock command buffer */
-        spin_unlock(&dbi_output->cb_lock);
-        return 0;
-}
-
-static int mdfld_dpu_update_pipe(struct mdfld_dsi_dbi_output *dbi_output,
-                                 struct mdfld_dbi_dpu_info *dpu_info, int pipe)
-{
-        struct drm_device *dev =  dbi_output->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        mdfld_plane_t cursor_plane = MDFLD_CURSORA;
-        mdfld_plane_t fb_plane = MDFLD_PLANEA;
-        mdfld_plane_t overlay_plane = MDFLD_OVERLAYA;
-        int ret = 0;
-        u32 plane_mask = MDFLD_PIPEA_PLANE_MASK;
-
-        /* Damaged rects on this pipe */
-        if (pipe) {
-                cursor_plane = MDFLD_CURSORC;
-                fb_plane = MDFLD_PLANEC;
-                overlay_plane = MDFLD_OVERLAYC;
-                plane_mask = MDFLD_PIPEC_PLANE_MASK;
-        }
-
-        /*update cursor which assigned to @pipe*/
-        if (dpu_info->pending & (1 << cursor_plane))
-                mdfld_dpu_cursor_plane_flush(dpu_info, cursor_plane);
-
-        /*update fb which assigned to @pipe*/
-        if (dpu_info->pending & (1 << fb_plane))
-                mdfld_dpu_fb_plane_flush(dpu_info, fb_plane);
-
-        /* TODO: update overlay */
-        if (dpu_info->pending & (1 << overlay_plane))
-                mdfld_dpu_overlay_plane_flush(dpu_info, overlay_plane);
-
-        /* Flush damage area to panel fb */
-        if (dpu_info->pending & plane_mask) {
-                ret = mdfld_dbi_prepare_cb(dbi_output, dpu_info, pipe);
-                /*
-                 * TODO: remove b_dsr_enable later,
-                 * added it so that text console could boot smoothly
-                 */
-                /* Clean pending flags on this pipe */
-                if (!ret && dev_priv->dsr_enable) {
-                        dpu_info->pending &= ~plane_mask;
-                        /* Reset overlay pipe damage rect */
-                        mdfld_dpu_init_damage(dpu_info, pipe);
-                }
-        }
-        return ret;
-}
-
-static int mdfld_dpu_update_fb(struct drm_device *dev)
-{
-        struct drm_crtc *crtc;
-        struct psb_intel_crtc *psb_crtc;
-        struct mdfld_dsi_dbi_output **dbi_output;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-        bool pipe_updated[2];
-        unsigned long irq_flags;
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 dsplinoff_reg = DSPALINOFF;
-        u32 dspsurf_reg = DSPASURF;
-        u32 mipi_state_reg = MIPIA_INTR_STAT_REG;
-        u32 reg_offset = 0;
-        int pipe;
-        int i;
-        int ret;
-
-        dbi_output = dpu_info->dbi_outputs;
-        pipe_updated[0] = pipe_updated[1] = false;
-
-        if (!gma_power_begin(dev, true))
-                return -EAGAIN;
-
-        /* Try to prevent any new damage reports */
-        if (!spin_trylock_irqsave(&dpu_info->dpu_update_lock, irq_flags))
-                return -EAGAIN;
-
-        for (i = 0; i < dpu_info->dbi_output_num; i++) {
-                crtc = dbi_output[i]->base.base.crtc;
-                psb_crtc = (crtc) ? to_psb_intel_crtc(crtc) : NULL;
-
-                pipe = dbi_output[i]->channel_num ? 2 : 0;
-
-                if (pipe == 2) {
-                        dspcntr_reg = DSPCCNTR;
-                        pipeconf_reg = PIPECCONF;
-                        dsplinoff_reg = DSPCLINOFF;
-                        dspsurf_reg = DSPCSURF;
-                        reg_offset = MIPIC_REG_OFFSET;
-                }
-
-                if (!(REG_READ((MIPIA_GEN_FIFO_STAT_REG + reg_offset))
-                                                        & (1 << 27)) ||
-                        !(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) ||
-                        !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) ||
-                        !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE)) {
-                        dev_err(dev->dev,
-                                "DBI FIFO is busy, DSI %d state %x\n",
-                                pipe,
-                                REG_READ(mipi_state_reg + reg_offset));
-                        continue;
-                }
-
-                /*
-                 *      If DBI output is in a exclusive state then the pipe
-                 *      change won't be updated
-                 */
-                if (dbi_output[i]->dbi_panel_on &&
-                   !(dbi_output[i]->mode_flags & MODE_SETTING_ON_GOING) &&
-                   !(psb_crtc &&
-                        psb_crtc->mode_flags & MODE_SETTING_ON_GOING) &&
-                   !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
-                        ret = mdfld_dpu_update_pipe(dbi_output[i],
-                                dpu_info, dbi_output[i]->channel_num ? 2 : 0);
-                        if (!ret)
-                                pipe_updated[i] = true;
-                }
-        }
-
-        for (i = 0; i < dpu_info->dbi_output_num; i++)
-                if (pipe_updated[i])
-                        mdfld_dbi_flush_cb(dbi_output[i],
-                                dbi_output[i]->channel_num ? 2 : 0);
-
-        spin_unlock_irqrestore(&dpu_info->dpu_update_lock, irq_flags);
-        gma_power_end(dev);
-        return 0;
-}
-
-static int __mdfld_dbi_exit_dsr(struct mdfld_dsi_dbi_output *dbi_output,
-                                                                int pipe)
-{
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_crtc *crtc = dbi_output->base.base.crtc;
-        struct psb_intel_crtc *psb_crtc = (crtc) ? to_psb_intel_crtc(crtc)
-                                                                : NULL;
-        u32 reg_val;
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 dspbase_reg = DSPABASE;
-        u32 dspsurf_reg = DSPASURF;
-        u32 reg_offset = 0;
-
-        if (!dbi_output)
-                return 0;
-
-        /* If mode setting on-going, back off */
-        if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-                (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING))
-                return -EAGAIN;
-
-        if (pipe == 2) {
-                dpll_reg = MRST_DPLL_A;
-                pipeconf_reg = PIPECCONF;
-                dspcntr_reg = DSPCCNTR;
-                dspbase_reg = MDFLD_DSPCBASE;
-                dspsurf_reg = DSPCSURF;
-
-                reg_offset = MIPIC_REG_OFFSET;
-        }
-
-        if (!gma_power_begin(dev, true))
-                return -EAGAIN;
-
-        /* Enable DPLL */
-        reg_val = REG_READ(dpll_reg);
-        if (!(reg_val & DPLL_VCO_ENABLE)) {
-
-                if (reg_val & MDFLD_PWR_GATE_EN) {
-                        reg_val &= ~MDFLD_PWR_GATE_EN;
-                        REG_WRITE(dpll_reg, reg_val);
-                        REG_READ(dpll_reg);
-                        udelay(500);
-                }
-
-                reg_val |= DPLL_VCO_ENABLE;
-                REG_WRITE(dpll_reg, reg_val);
-                REG_READ(dpll_reg);
-                udelay(500);
-
-                /* FIXME: add timeout */
-                while (!(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK))
-                        cpu_relax();
-        }
-
-        /* Enable pipe */
-        reg_val = REG_READ(pipeconf_reg);
-        if (!(reg_val & PIPEACONF_ENABLE)) {
-                reg_val |= PIPEACONF_ENABLE;
-                REG_WRITE(pipeconf_reg, reg_val);
-                REG_READ(pipeconf_reg);
-                udelay(500);
-                mdfldWaitForPipeEnable(dev, pipe);
-        }
-
-        /* Enable plane */
-        reg_val = REG_READ(dspcntr_reg);
-        if (!(reg_val & DISPLAY_PLANE_ENABLE)) {
-                reg_val |= DISPLAY_PLANE_ENABLE;
-                REG_WRITE(dspcntr_reg, reg_val);
-                REG_READ(dspcntr_reg);
-                udelay(500);
-        }
-
-        gma_power_end(dev);
-
-        /* Clean IN_DSR flag */
-        dbi_output->mode_flags &= ~MODE_SETTING_IN_DSR;
-
-        return 0;
-}
-
-int mdfld_dpu_exit_dsr(struct drm_device *dev)
-{
-        struct mdfld_dsi_dbi_output **dbi_output;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-        int i;
-        int pipe;
-
-        dbi_output = dpu_info->dbi_outputs;
-
-        for (i = 0; i < dpu_info->dbi_output_num; i++) {
-                /* If this output is not in DSR mode, don't call exit dsr */
-                if (dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)
-                        __mdfld_dbi_exit_dsr(dbi_output[i],
-                                        dbi_output[i]->channel_num ? 2 : 0);
-        }
-
-        /* Enable TE interrupt */
-        for (i = 0; i < dpu_info->dbi_output_num; i++) {
-                /* If this output is not in DSR mode, don't call exit dsr */
-                pipe = dbi_output[i]->channel_num ? 2 : 0;
-                if (dbi_output[i]->dbi_panel_on && pipe) {
-                        mdfld_disable_te(dev, 0);
-                        mdfld_enable_te(dev, 2);
-                } else if (dbi_output[i]->dbi_panel_on && !pipe) {
-                        mdfld_disable_te(dev, 2);
-                        mdfld_enable_te(dev, 0);
-                }
-        }
-        return 0;
-}
-
-static int mdfld_dpu_enter_dsr(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-        struct mdfld_dsi_dbi_output **dbi_output;
-        int i;
-
-        dbi_output = dpu_info->dbi_outputs;
-
-        for (i = 0; i < dpu_info->dbi_output_num; i++) {
-                /* If output is off or already in DSR state, don't re-enter */
-                if (dbi_output[i]->dbi_panel_on &&
-                   !(dbi_output[i]->mode_flags & MODE_SETTING_IN_DSR)) {
-                        mdfld_dsi_dbi_enter_dsr(dbi_output[i],
-                                dbi_output[i]->channel_num ? 2 : 0);
-                }
-        }
-
-        return 0;
-}
-
-static void mdfld_dbi_dpu_timer_func(unsigned long data)
-{
-        struct drm_device *dev = (struct drm_device *)data;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-        struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-        unsigned long flags;
-
-        if (dpu_info->pending) {
-                dpu_info->idle_count = 0;
-                /* Update panel fb with damaged area */
-                mdfld_dpu_update_fb(dev);
-        } else {
-                dpu_info->idle_count++;
-        }
-
-        if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
-                mdfld_dpu_enter_dsr(dev);
-                /* Stop timer by return */
-                return;
-        }
-
-        spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-        if (!timer_pending(dpu_timer)) {
-                dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-                add_timer(dpu_timer);
-        }
-        spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-}
-
-void mdfld_dpu_update_panel(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-        if (dpu_info->pending) {
-                dpu_info->idle_count = 0;
-
-                /*update panel fb with damaged area*/
-                mdfld_dpu_update_fb(dev);
-        } else {
-                dpu_info->idle_count++;
-        }
-
-        if (dpu_info->idle_count >= MDFLD_MAX_IDLE_COUNT) {
-                /*enter dsr*/
-                mdfld_dpu_enter_dsr(dev);
-        }
-}
-
-static int mdfld_dbi_dpu_timer_init(struct drm_device *dev,
-                                struct mdfld_dbi_dpu_info *dpu_info)
-{
-        struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-        unsigned long flags;
-
-        spin_lock_init(&dpu_info->dpu_timer_lock);
-        spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-
-        init_timer(dpu_timer);
-
-        dpu_timer->data = (unsigned long)dev;
-        dpu_timer->function = mdfld_dbi_dpu_timer_func;
-        dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-
-        spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-
-        return 0;
-}
-
-void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info)
-{
-        struct timer_list *dpu_timer = &dpu_info->dpu_timer;
-        unsigned long flags;
-
-        spin_lock_irqsave(&dpu_info->dpu_timer_lock, flags);
-        if (!timer_pending(dpu_timer)) {
-                dpu_timer->expires = jiffies + MDFLD_DSR_DELAY;
-                add_timer(dpu_timer);
-        }
-        spin_unlock_irqrestore(&dpu_info->dpu_timer_lock, flags);
-}
-
-int mdfld_dbi_dpu_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-        if (!dpu_info || IS_ERR(dpu_info)) {
-                dpu_info = kzalloc(sizeof(struct mdfld_dbi_dpu_info),
-                                                                GFP_KERNEL);
-                if (!dpu_info) {
-                        DRM_ERROR("No memory\n");
-                        return -ENOMEM;
-                }
-                dev_priv->dbi_dpu_info = dpu_info;
-        }
-
-        dpu_info->dev = dev;
-
-        dpu_info->cursors[0].size = MDFLD_CURSOR_SIZE;
-        dpu_info->cursors[1].size = MDFLD_CURSOR_SIZE;
-
-        /*init dpu_update_lock*/
-        spin_lock_init(&dpu_info->dpu_update_lock);
-
-        /*init dpu refresh timer*/
-        mdfld_dbi_dpu_timer_init(dev, dpu_info);
-
-        /*init pipe damage area*/
-        mdfld_dpu_init_damage(dpu_info, 0);
-        mdfld_dpu_init_damage(dpu_info, 2);
-
-        return 0;
-}
-
-void mdfld_dbi_dpu_exit(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-
-        if (!dpu_info)
-                return;
-
-        del_timer_sync(&dpu_info->dpu_timer);
-        kfree(dpu_info);
-        dev_priv->dbi_dpu_info = NULL;
-}
-
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h b/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h
deleted file mode 100644
index 42367ed48c08..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dbi_dpu.h
+++ /dev/null
@@ -1,154 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DBI_DPU_H__
-#define __MDFLD_DSI_DBI_DPU_H__
-
-#include "mdfld_dsi_dbi.h"
-
-typedef enum {
-        MDFLD_PLANEA,
-        MDFLD_PLANEC,
-        MDFLD_CURSORA,
-        MDFLD_CURSORC,
-        MDFLD_OVERLAYA,
-        MDFLD_OVERLAYC,
-        MDFLD_PLANE_NUM,
-} mdfld_plane_t;
-
-#define MDFLD_PIPEA_PLANE_MASK  0x15
-#define MDFLD_PIPEC_PLANE_MASK  0x2A
-
-struct mdfld_cursor_info {
-        int x, y;
-        int size;
-};
-
-#define MDFLD_CURSOR_SIZE       64
-
-/*
- * enter DSR mode if screen has no update for 2 frames.
- */
-#define MDFLD_MAX_IDLE_COUNT    2
-
-struct mdfld_dbi_dpu_info {
-        struct drm_device *dev;
-        /* Lock */
-        spinlock_t dpu_update_lock;
-
-        /* Cursor postion */
-        struct mdfld_cursor_info cursors[2];
-
-        /* Damaged area for each plane */
-        struct psb_drm_dpu_rect damaged_rects[MDFLD_PLANE_NUM];
-
-        /* Final damaged area */
-        struct psb_drm_dpu_rect damage_pipea;
-        struct psb_drm_dpu_rect damage_pipec;
-
-        /* Pending */
-        u32 pending;
-
-        /* DPU timer */
-        struct timer_list dpu_timer;
-        spinlock_t dpu_timer_lock;
-
-        /* DPU idle count */
-        u32 idle_count;
-
-        /* DSI outputs */
-        struct mdfld_dsi_dbi_output *dbi_outputs[2];
-        int dbi_output_num;
-};
-
-static inline int mdfld_dpu_region_extent(struct psb_drm_dpu_rect *origin,
-                         struct psb_drm_dpu_rect *rect)
-{
-        int x1, y1, x2, y2;
-
-        x1 = origin->x + origin->width;
-        y1 = origin->y + origin->height;
-
-        x2 = rect->x + rect->width;
-        y2 = rect->y + rect->height;
-
-        origin->x = min(origin->x, rect->x);
-        origin->y = min(origin->y, rect->y);
-        origin->width = max(x1, x2) - origin->x;
-        origin->height = max(y1, y2) - origin->y;
-
-        return 0;
-}
-
-static inline void mdfld_check_boundary(struct mdfld_dbi_dpu_info *dpu_info,
-                                struct psb_drm_dpu_rect *rect)
-{
-        if (rect->x < 0)
-                rect->x = 0;
-        if (rect->y < 0)
-                rect->y = 0;
-
-        if (rect->x + rect->width > 864)
-                rect->width = 864 - rect->x;
-        if (rect->y + rect->height > 480)
-                rect->height = 480 - rect->height;
-
-        if (!rect->width)
-                rect->width = 1;
-        if (!rect->height)
-                rect->height = 1;
-}
-
-static inline void mdfld_dpu_init_damage(struct mdfld_dbi_dpu_info *dpu_info,
-                                int pipe)
-{
-        struct psb_drm_dpu_rect *rect;
-
-        if (pipe == 0)
-                rect = &dpu_info->damage_pipea;
-        else
-                rect = &dpu_info->damage_pipec;
-
-        rect->x = 864;
-        rect->y = 480;
-        rect->width = -864;
-        rect->height = -480;
-}
-
-extern int mdfld_dsi_dbi_dsr_off(struct drm_device *dev,
-                                struct psb_drm_dpu_rect *rect);
-extern int mdfld_dbi_dpu_report_damage(struct drm_device *dev,
-                                mdfld_plane_t plane,
-                                struct psb_drm_dpu_rect *rect);
-extern int mdfld_dbi_dpu_report_fullscreen_damage(struct drm_device *dev);
-extern int mdfld_dpu_exit_dsr(struct drm_device *dev);
-extern void mdfld_dbi_dpu_timer_start(struct mdfld_dbi_dpu_info *dpu_info);
-extern int mdfld_dbi_dpu_init(struct drm_device *dev);
-extern void mdfld_dbi_dpu_exit(struct drm_device *dev);
-extern void mdfld_dpu_update_panel(struct drm_device *dev);
-
-#endif /*__MDFLD_DSI_DBI_DPU_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.c b/drivers/staging/gma500/mdfld_dsi_dpi.c
deleted file mode 100644
index e685f1217baa..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dpi.c
+++ /dev/null
@@ -1,805 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-
-static void mdfld_wait_for_HS_DATA_FIFO(struct drm_device *dev, u32 pipe)
-{
-        u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-        int timeout = 0;
-
-        if (pipe == 2)
-                gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_DATA_FULL)) {
-                udelay(100);
-                timeout++;
-        }
-
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: HS Data FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_HS_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
-        u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-        int timeout = 0;
-
-        if (pipe == 2)
-                gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && (REG_READ(gen_fifo_stat_reg) & DSI_FIFO_GEN_HS_CTRL_FULL)) {
-                udelay(100);
-                timeout++;
-        }
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: HS CMD FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_DPI_CTRL_FIFO(struct drm_device *dev, u32 pipe)
-{
-        u32 gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-        int timeout = 0;
-
-        if (pipe == 2)
-                gen_fifo_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && ((REG_READ(gen_fifo_stat_reg) & DPI_FIFO_EMPTY)
-                                                        != DPI_FIFO_EMPTY)) {
-                udelay(100);
-                timeout++;
-        }
-
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: DPI FIFO was never cleared!\n");
-}
-
-static void mdfld_wait_for_SPL_PKG_SENT(struct drm_device *dev, u32 pipe)
-{
-        u32 intr_stat_reg = MIPIA_INTR_STAT_REG;
-        int timeout = 0;
-
-        if (pipe == 2)
-                intr_stat_reg += MIPIC_REG_OFFSET;
-
-        udelay(500);
-
-        /* This will time out after approximately 2+ seconds */
-        while ((timeout < 20000) && (!(REG_READ(intr_stat_reg) & DSI_INTR_STATE_SPL_PKG_SENT))) {
-                udelay(100);
-                timeout++;
-        }
-
-        if (timeout == 20000)
-                dev_warn(dev->dev, "MIPI: SPL_PKT_SENT_INTERRUPT was not sent successfully!\n");
-}
-
-
-/* ************************************************************************* *\
- * FUNCTION: mdfld_dsi_tpo_ic_init
- *
- * DESCRIPTION:  This function is called only by mrst_dsi_mode_set and
- *               restore_display_registers.  since this function does not
- *               acquire the mutex, it is important that the calling function
- *               does!
-\* ************************************************************************* */
-void mdfld_dsi_tpo_ic_init(struct mdfld_dsi_config *dsi_config, u32 pipe)
-{
-        struct drm_device *dev = dsi_config->dev;
-        u32 dcsChannelNumber = dsi_config->channel_num;
-        u32 gen_data_reg = MIPIA_HS_GEN_DATA_REG; 
-        u32 gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG;
-        u32 gen_ctrl_val = GEN_LONG_WRITE;
-
-        if (pipe == 2) {
-                gen_data_reg = HS_GEN_DATA_REG + MIPIC_REG_OFFSET; 
-                gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-        }
-
-        gen_ctrl_val |= dcsChannelNumber << DCS_CHANNEL_NUMBER_POS;
-
-        /* Flip page order */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x00008036);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
-        /* 0xF0 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x005a5af0);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-        /* Write protection key */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x005a5af1);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-        /* 0xFC */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x005a5afc);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-        /* 0xB7 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x770000b7);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x00000044);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x05 << WORD_COUNTS_POS));
-
-        /* 0xB6 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x000a0ab6);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-
-        /* 0xF2 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x081010f2);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x4a070708);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x000000c5);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-        /* 0xF8 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x024003f8);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x01030a04);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x0e020220);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x00000004);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x0d << WORD_COUNTS_POS));
-
-        /* 0xE2 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x398fc3e2);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x0000916f);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x06 << WORD_COUNTS_POS));
-
-        /* 0xB0 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x000000b0);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x02 << WORD_COUNTS_POS));
-
-        /* 0xF4 */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x240242f4);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x78ee2002);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x2a071050);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x507fee10);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x10300710);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x14 << WORD_COUNTS_POS));
-
-        /* 0xBA */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x19fe07ba);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x101c0a31);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x00000010);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-        /* 0xBB */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x28ff07bb);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x24280a31);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x00000034);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x09 << WORD_COUNTS_POS));
-
-        /* 0xFB */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x535d05fb);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x1b1a2130);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x221e180e);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x131d2120);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x535d0508);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x1c1a2131);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x231f160d);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x111b2220);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x535c2008);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x1f1d2433);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x2c251a10);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x2c34372d);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x00000023);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
-        /* 0xFA */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x525c0bfa);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x1c1c232f);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x2623190e);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x18212625);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x545d0d0e);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x1e1d2333);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x26231a10);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x1a222725);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x545d280f);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x21202635);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x31292013);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x31393d33);
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x00000029);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x31 << WORD_COUNTS_POS));
-
-        /* Set DM */
-        mdfld_wait_for_HS_DATA_FIFO(dev, pipe);
-        REG_WRITE(gen_data_reg, 0x000100f7);
-        mdfld_wait_for_HS_CTRL_FIFO(dev, pipe);
-        REG_WRITE(gen_ctrl_reg, gen_ctrl_val | (0x03 << WORD_COUNTS_POS));
-}
-
-static u16 mdfld_dsi_dpi_to_byte_clock_count(int pixel_clock_count,
-                                                int num_lane, int bpp)
-{
-        return (u16)((pixel_clock_count * bpp) / (num_lane * 8)); 
-}
-
-/*
- * Calculate the dpi time basing on a given drm mode @mode
- * return 0 on success.
- * FIXME: I was using proposed mode value for calculation, may need to 
- * use crtc mode values later 
- */
-int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode, 
-                        struct mdfld_dsi_dpi_timing *dpi_timing,
-                        int num_lane, int bpp)
-{
-        int pclk_hsync, pclk_hfp, pclk_hbp, pclk_hactive;
-        int pclk_vsync, pclk_vfp, pclk_vbp, pclk_vactive;
-        
-        if(!mode || !dpi_timing) {
-                DRM_ERROR("Invalid parameter\n");
-                return -EINVAL;
-        }
-        
-        pclk_hactive = mode->hdisplay;
-        pclk_hfp = mode->hsync_start - mode->hdisplay;
-        pclk_hsync = mode->hsync_end - mode->hsync_start;
-        pclk_hbp = mode->htotal - mode->hsync_end;
-        
-        pclk_vactive = mode->vdisplay;
-        pclk_vfp = mode->vsync_start - mode->vdisplay;
-        pclk_vsync = mode->vsync_end - mode->vsync_start;
-        pclk_vbp = mode->vtotal - mode->vsync_end;
-
-        /*
-         * byte clock counts were calculated by following formula
-         * bclock_count = pclk_count * bpp / num_lane / 8
-         */
-        dpi_timing->hsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hsync, num_lane, bpp);
-        dpi_timing->hbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hbp, num_lane, bpp);
-        dpi_timing->hfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hfp, num_lane, bpp);
-        dpi_timing->hactive_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_hactive, num_lane, bpp);
-        dpi_timing->vsync_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vsync, num_lane, bpp);
-        dpi_timing->vbp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vbp, num_lane, bpp);
-        dpi_timing->vfp_count = mdfld_dsi_dpi_to_byte_clock_count(pclk_vfp, num_lane, bpp);
-
-        return 0; 
-}
-
-void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-        struct drm_device *dev = dsi_config->dev;
-        u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        int lane_count = dsi_config->lane_count;
-        struct mdfld_dsi_dpi_timing dpi_timing;
-        struct drm_display_mode *mode = dsi_config->mode;
-        u32 val = 0;
-        
-        /*un-ready device*/
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-        
-        /*init dsi adapter before kicking off*/
-        REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-        
-        /*enable all interrupts*/
-        REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-        
-
-        /*set up func_prg*/
-        val |= lane_count;
-        val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
-                
-        switch(dsi_config->bpp) {
-        case 16:
-                val |= DSI_DPI_COLOR_FORMAT_RGB565;
-                break;
-        case 18:
-                val |= DSI_DPI_COLOR_FORMAT_RGB666;
-                break;
-        case 24:
-                val |= DSI_DPI_COLOR_FORMAT_RGB888;
-                break;
-        default:
-                DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp);
-        }
-        REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-        
-        REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 
-                        (mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
-        REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK);
-        
-        /*max value: 20 clock cycles of txclkesc*/
-        REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
-        
-        /*min 21 txclkesc, max: ffffh*/
-        REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK);
-
-        REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay);
-        
-        /*set DPI timing registers*/
-        mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp);
-        
-        REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-        
-        REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-        
-        /*min: 7d0 max: 4e20*/
-        REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0);
-        
-        /*set up video mode*/
-        val = 0;
-        val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
-        REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val);
-        
-        REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-        
-        REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-        
-        /*TODO: figure out how to setup these registers*/
-        REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-        
-        REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14);
-        /*set device ready*/
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output, int pipe)
-{
-        struct drm_device *dev = output->dev;
-        u32 reg_offset = 0;
-        
-        if(output->panel_on) 
-                return;
-                
-        if(pipe) 
-                reg_offset = MIPIC_REG_OFFSET;
-
-        /* clear special packet sent bit */
-        if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-                REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-        }
-                
-        /*send turn on package*/
-        REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON);
-        
-        /*wait for SPL_PKG_SENT interrupt*/
-        mdfld_wait_for_SPL_PKG_SENT(dev, pipe);
-        
-        if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-                REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-        }
-
-        output->panel_on = 1;
-
-        /* FIXME the following is disabled to WA the X slow start issue for TMD panel */
-        /* if(pipe == 2) */
-        /*      dev_priv->dpi_panel_on2 = true; */
-        /* else if (pipe == 0) */
-        /*      dev_priv->dpi_panel_on = true; */
-}
-
-static void mdfld_dsi_dpi_shut_down(struct mdfld_dsi_dpi_output *output, int pipe)
-{
-        struct drm_device *dev = output->dev;
-        u32 reg_offset = 0;
-        
-        /*if output is on, or mode setting didn't happen, ignore this*/
-        if((!output->panel_on) || output->first_boot) {
-                output->first_boot = 0; 
-                return;
-        }
-        
-        if(pipe)
-                reg_offset = MIPIC_REG_OFFSET;
-
-        /* Wait for dpi fifo to empty */
-        mdfld_wait_for_DPI_CTRL_FIFO(dev, pipe);
-
-        /* Clear the special packet interrupt bit if set */
-        if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-                REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-        }
-        
-        if(REG_READ(MIPIA_DPI_CONTROL_REG + reg_offset) == DSI_DPI_CTRL_HS_SHUTDOWN) {
-                dev_warn(dev->dev, "try to send the same package again, abort!");
-                goto shutdown_out;
-        }
-        
-        REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN);
-
-shutdown_out:
-        output->panel_on = 0;
-        output->first_boot = 0;
-
-        /* FIXME the following is disabled to WA the X slow start issue for TMD panel */
-        /* if(pipe == 2) */
-        /*      dev_priv->dpi_panel_on2 = false; */
-        /* else if (pipe == 0) */
-        /*      dev_priv->dpi_panel_on = false;  */
-        /* #ifdef CONFIG_PM_RUNTIME*/ 
-        /*      if (drm_psb_ospm && !enable_gfx_rtpm) { */
-        /*              pm_runtime_allow(&gpDrmDevice->pdev->dev); */
-        /*      schedule_delayed_work(&dev_priv->rtpm_work, 30 * 1000); */
-        /* } */
-        /*if (enable_gfx_rtpm) */
-        /*              pm_schedule_suspend(&dev->pdev->dev, gfxrtdelay); */
-        /* #endif */
-}
-
-void mdfld_dsi_dpi_set_power(struct drm_encoder *encoder, bool on)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
-        struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-        int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
-        struct drm_device *dev = dsi_config->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 mipi_reg = MIPI;
-        u32 pipeconf_reg = PIPEACONF;
-        
-        if(pipe) {
-                mipi_reg = MIPI_C;
-                pipeconf_reg = PIPECCONF;
-        }
-        
-        /* Start up display island if it was shutdown */
-        if (!gma_power_begin(dev, true))
-                return;
-
-        if(on) {
-                if (mdfld_get_panel_type(dev, pipe) == TMD_VID){
-                        mdfld_dsi_dpi_turn_on(dpi_output, pipe);
-                } else {
-                        /* Enable mipi port */
-                        REG_WRITE(mipi_reg, (REG_READ(mipi_reg) | (1 << 31)));
-                        REG_READ(mipi_reg);
-
-                        mdfld_dsi_dpi_turn_on(dpi_output, pipe);
-                        mdfld_dsi_tpo_ic_init(dsi_config, pipe);
-                }
-
-                if(pipe == 2) {
-                        dev_priv->dpi_panel_on2 = true;
-                }
-                else {
-                        dev_priv->dpi_panel_on  = true;
-                }
-
-        } else {
-                if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
-                        mdfld_dsi_dpi_shut_down(dpi_output, pipe);
-                } else {
-                        mdfld_dsi_dpi_shut_down(dpi_output, pipe);
-                        /* Disable mipi port */
-                        REG_WRITE(mipi_reg, (REG_READ(mipi_reg) & ~(1<<31)));
-                        REG_READ(mipi_reg);
-                }
-
-                if(pipe == 2)
-                        dev_priv->dpi_panel_on2 = false;
-                else
-                        dev_priv->dpi_panel_on  = false;
-        }
-        gma_power_end(dev);
-}
-
-void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode)
-{
-        dev_dbg(encoder->dev->dev, "DPMS %s\n",
-                        (mode == DRM_MODE_DPMS_ON ? "on":"off"));
-
-        if (mode == DRM_MODE_DPMS_ON)
-                mdfld_dsi_dpi_set_power(encoder, true);
-        else {
-                mdfld_dsi_dpi_set_power(encoder, false);
-#if 0 /* FIXME */
-#ifdef CONFIG_PM_RUNTIME
-                if (enable_gfx_rtpm)
-                        pm_schedule_suspend(&gpDrmDevice->pdev->dev, gfxrtdelay);
-#endif
-#endif
-        }
-}
-
-bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
-                                     struct drm_display_mode *mode,
-                                     struct drm_display_mode *adjusted_mode)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-        struct drm_display_mode *fixed_mode = dsi_config->fixed_mode;
-
-        if(fixed_mode) {
-                adjusted_mode->hdisplay = fixed_mode->hdisplay;
-                adjusted_mode->hsync_start = fixed_mode->hsync_start;
-                adjusted_mode->hsync_end = fixed_mode->hsync_end;
-                adjusted_mode->htotal = fixed_mode->htotal;
-                adjusted_mode->vdisplay = fixed_mode->vdisplay;
-                adjusted_mode->vsync_start = fixed_mode->vsync_start;
-                adjusted_mode->vsync_end = fixed_mode->vsync_end;
-                adjusted_mode->vtotal = fixed_mode->vtotal;
-                adjusted_mode->clock = fixed_mode->clock;
-                drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-        }
-        
-        return true;
-}
-
-void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder) 
-{
-        mdfld_dsi_dpi_set_power(encoder, false);
-}
-
-void mdfld_dsi_dpi_commit(struct drm_encoder *encoder) 
-{
-        mdfld_dsi_dpi_set_power(encoder, true);
-}
-
-void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
-                                   struct drm_display_mode *mode,
-                                   struct drm_display_mode *adjusted_mode)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dpi_output *dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
-        struct mdfld_dsi_config *dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
-        struct drm_device *dev = dsi_config->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int pipe = mdfld_dsi_encoder_get_pipe(dsi_encoder);
-        
-        u32 pipeconf_reg = PIPEACONF;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 mipi_reg = MIPI;
-        u32 reg_offset = 0;
-        
-        u32 pipeconf = dev_priv->pipeconf;
-        u32 dspcntr = dev_priv->dspcntr;
-        u32 mipi = MIPI_PORT_EN | PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-        
-        dev_dbg(dev->dev, "set mode %dx%d on pipe %d\n",
-                                mode->hdisplay, mode->vdisplay, pipe);
-
-        if(pipe) {
-                pipeconf_reg = PIPECCONF;
-                dspcntr_reg = DSPCCNTR;
-                mipi_reg = MIPI_C;
-                reg_offset = MIPIC_REG_OFFSET;
-        } else {
-                mipi |= 2;
-        }
-        
-        if (!gma_power_begin(dev, true))
-                return;
-
-        /* Set up mipi port FIXME: do at init time */
-        REG_WRITE(mipi_reg, mipi);
-        REG_READ(mipi_reg);
-
-        /* Set up DSI controller DPI interface */
-        mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-
-        if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
-                /* Turn on DPI interface */
-                mdfld_dsi_dpi_turn_on(dpi_output, pipe);
-        }
-        
-        /* Set up pipe */
-        REG_WRITE(pipeconf_reg, pipeconf);
-        REG_READ(pipeconf_reg);
-        
-        /* Set up display plane */
-        REG_WRITE(dspcntr_reg, dspcntr);
-        REG_READ(dspcntr_reg);
-        
-        msleep(20); /* FIXME: this should wait for vblank */
-        
-        dev_dbg(dev->dev, "State %x, power %d\n",
-                REG_READ(MIPIA_INTR_STAT_REG + reg_offset),
-                dpi_output->panel_on);
-
-        if (mdfld_get_panel_type(dev, pipe) != TMD_VID) {
-                /* Init driver ic */
-                mdfld_dsi_tpo_ic_init(dsi_config, pipe);
-                /* Init backlight */
-                mdfld_dsi_brightness_init(dsi_config, pipe);
-        }
-        gma_power_end(dev);
-}
-
-
-/*
- * Init DSI DPI encoder. 
- * Allocate an mdfld_dsi_encoder and attach it to given @dsi_connector
- * return pointer of newly allocated DPI encoder, NULL on error
- */ 
-struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev, 
-                                struct mdfld_dsi_connector *dsi_connector,
-                                struct panel_funcs *p_funcs)
-{
-        struct mdfld_dsi_dpi_output *dpi_output = NULL;
-        struct mdfld_dsi_config *dsi_config;
-        struct drm_connector *connector = NULL;
-        struct drm_encoder *encoder = NULL;
-        struct drm_display_mode *fixed_mode = NULL;
-        int pipe;
-        u32 data;
-        int ret;
-
-        if (!dsi_connector || !p_funcs) {
-                WARN_ON(1);
-                return NULL;
-        }
-
-        dsi_config = mdfld_dsi_get_config(dsi_connector);
-        pipe = dsi_connector->pipe;
-
-        /* Panel hard-reset */
-        if (p_funcs->reset) {
-                ret = p_funcs->reset(pipe);
-                if (ret) {
-                        DRM_ERROR("Panel %d hard-reset failed\n", pipe);
-                        return NULL;
-                }
-        }
-
-        /* Panel drvIC init */
-        if (p_funcs->drv_ic_init)
-                p_funcs->drv_ic_init(dsi_config, pipe);
-
-        /* Panel power mode detect */
-        ret = mdfld_dsi_get_power_mode(dsi_config,
-                                        &data,
-                                        MDFLD_DSI_LP_TRANSMISSION);
-        if (ret) {
-                DRM_ERROR("Panel %d get power mode failed\n", pipe);
-                dsi_connector->status = connector_status_disconnected;
-        } else {
-                DRM_INFO("pipe %d power mode 0x%x\n", pipe, data);
-                dsi_connector->status = connector_status_connected;
-        }
-
-        dpi_output = kzalloc(sizeof(struct mdfld_dsi_dpi_output), GFP_KERNEL);
-        if(!dpi_output) {
-                dev_err(dev->dev, "No memory for dsi_dpi_output\n");
-                return NULL;
-        }
-
-        if(dsi_connector->pipe) 
-                dpi_output->panel_on = 0;
-        else
-                dpi_output->panel_on = 0;
-        
-        dpi_output->dev = dev;
-        dpi_output->p_funcs = p_funcs;
-        dpi_output->first_boot = 1;
-        
-        /* Get fixed mode */
-        dsi_config = mdfld_dsi_get_config(dsi_connector);
-        fixed_mode = dsi_config->fixed_mode;
-        
-        /* Create drm encoder object */
-        connector = &dsi_connector->base.base;
-        encoder = &dpi_output->base.base;
-        /*
-         * On existing hardware this will be a panel of some form,
-         * if future devices also have HDMI bridges this will need
-         * revisiting
-         */
-        drm_encoder_init(dev,
-                        encoder,
-                        p_funcs->encoder_funcs,
-                        DRM_MODE_ENCODER_LVDS);
-        drm_encoder_helper_add(encoder,
-                                p_funcs->encoder_helper_funcs);
-        
-        /* Attach to given connector */
-        drm_mode_connector_attach_encoder(connector, encoder);
-        
-        /* Set possible crtcs and clones */
-        if(dsi_connector->pipe) {
-                encoder->possible_crtcs = (1 << 2);
-                encoder->possible_clones = (1 << 1);
-        } else {
-                encoder->possible_crtcs = (1 << 0);
-                encoder->possible_clones = (1 << 0);
-        }
-        return &dpi_output->base;
-}
-
diff --git a/drivers/staging/gma500/mdfld_dsi_dpi.h b/drivers/staging/gma500/mdfld_dsi_dpi.h
deleted file mode 100644
index ed92d45ee74a..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_dpi.h
+++ /dev/null
@@ -1,78 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_DPI_H__
-#define __MDFLD_DSI_DPI_H__
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-struct mdfld_dsi_dpi_timing {
-        u16 hsync_count;
-        u16 hbp_count;
-        u16 hfp_count;
-        u16 hactive_count;
-        u16 vsync_count;
-        u16 vbp_count;
-        u16 vfp_count;
-};
-
-struct mdfld_dsi_dpi_output {
-        struct mdfld_dsi_encoder base;
-        struct drm_device *dev;
-
-        int panel_on;
-        int first_boot;
-
-        struct panel_funcs *p_funcs;
-};
-
-#define MDFLD_DSI_DPI_OUTPUT(dsi_encoder) \
-        container_of(dsi_encoder, struct mdfld_dsi_dpi_output, base)
-
-extern int mdfld_dsi_dpi_timing_calculation(struct drm_display_mode *mode,
-                        struct mdfld_dsi_dpi_timing *dpi_timing,
-                        int num_lane, int bpp);
-extern struct mdfld_dsi_encoder *mdfld_dsi_dpi_init(struct drm_device *dev,
-                        struct mdfld_dsi_connector *dsi_connector,
-                        struct panel_funcs *p_funcs);
-
-/* Medfield DPI helper functions */
-extern void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode);
-extern bool mdfld_dsi_dpi_mode_fixup(struct drm_encoder *encoder,
-                        struct drm_display_mode *mode,
-                        struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_prepare(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_commit(struct drm_encoder *encoder);
-extern void mdfld_dsi_dpi_mode_set(struct drm_encoder *encoder,
-                        struct drm_display_mode *mode,
-                        struct drm_display_mode *adjusted_mode);
-extern void mdfld_dsi_dpi_turn_on(struct mdfld_dsi_dpi_output *output,
-                        int pipe);
-extern void mdfld_dsi_dpi_controller_init(struct mdfld_dsi_config *si_config,
-                        int pipe);
-#endif /*__MDFLD_DSI_DPI_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_output.c b/drivers/staging/gma500/mdfld_dsi_output.c
deleted file mode 100644
index 3f979db2c3a5..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_output.c
+++ /dev/null
@@ -1,1014 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_output.h"
-#include <asm/intel_scu_ipc.h>
-#include "mdfld_dsi_pkg_sender.h"
-#include <linux/pm_runtime.h>
-#include <linux/moduleparam.h>
-
-#define MDFLD_DSI_BRIGHTNESS_MAX_LEVEL 100
-
-static int CABC_control = 1;
-static int LABC_control = 1;
-
-module_param (CABC_control, int, 0644);
-module_param (LABC_control, int, 0644);
-
-/**
- * make these MCS command global 
- * we don't need 'movl' everytime we send them.
- * FIXME: these datas were provided by OEM, we should get them from GCT.
- **/
-static u32 mdfld_dbi_mcs_hysteresis[] = {
-        0x42000f57, 0x8c006400, 0xff00bf00, 0xffffffff,
-        0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
-        0x38000aff, 0x82005000, 0xff00ab00, 0xffffffff,
-        0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff,
-        0x000000ff,
-};
-
-static u32 mdfld_dbi_mcs_display_profile[] = {
-        0x50281450, 0x0000c882, 0x00000000, 0x00000000,
-        0x00000000,
-};
-
-static u32 mdfld_dbi_mcs_kbbc_profile[] = {
-        0x00ffcc60, 0x00000000, 0x00000000, 0x00000000,
-}; 
-        
-static u32 mdfld_dbi_mcs_gamma_profile[] = {
-        0x81111158, 0x88888888, 0x88888888,
-}; 
-
-/*
- * write hysteresis values.
- */
-static void mdfld_dsi_write_hysteresis (struct mdfld_dsi_config *dsi_config,
-                                                                int pipe)
-{
-        struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-        if(!sender) {
-                WARN_ON(1);
-                return;
-        }
-        mdfld_dsi_send_mcs_long_hs(sender,
-                                   mdfld_dbi_mcs_hysteresis,
-                                   17,
-                                   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write display profile values.
- */
-static void mdfld_dsi_write_display_profile(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-        struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-        if(!sender) {
-                WARN_ON(1);
-                return;
-        }
-        mdfld_dsi_send_mcs_long_hs(sender,
-                                   mdfld_dbi_mcs_display_profile,
-                                   5,
-                                   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write KBBC profile values.
- */
-static void mdfld_dsi_write_kbbc_profile (struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-        if(!sender) {
-                WARN_ON(1);
-                return;
-        }
-        mdfld_dsi_send_mcs_long_hs(sender,
-                                   mdfld_dbi_mcs_kbbc_profile,
-                                   4,
-                                   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * write gamma setting.
- */
-static void mdfld_dsi_write_gamma_setting (struct mdfld_dsi_config *dsi_config, int pipe)
-{
-        struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-        if(!sender) {
-                WARN_ON(1);
-                return;
-        }
-        mdfld_dsi_send_mcs_long_hs(sender,
-                                   mdfld_dbi_mcs_gamma_profile,
-                                   3,
-                                   MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * Check and see if the generic control or data buffer is empty and ready.
- */
-void mdfld_dsi_gen_fifo_ready (struct drm_device *dev, u32 gen_fifo_stat_reg, u32 fifo_stat)
-{
-        u32 GEN_BF_time_out_count = 0;
-        
-        /* Check MIPI Adatper command registers */
-        for (GEN_BF_time_out_count = 0; GEN_BF_time_out_count < GEN_FB_TIME_OUT; GEN_BF_time_out_count++)
-        {
-                if ((REG_READ(gen_fifo_stat_reg) & fifo_stat) == fifo_stat)
-                        break;
-                udelay (100);
-        }
-
-        if (GEN_BF_time_out_count == GEN_FB_TIME_OUT)
-                dev_err(dev->dev,
-        "mdfld_dsi_gen_fifo_ready, Timeout. gen_fifo_stat_reg = 0x%x. \n",
-                                                gen_fifo_stat_reg);
-}
-
-/*
- * Manage the DSI MIPI keyboard and display brightness.
- * FIXME: this is exported to OSPM code. should work out an specific 
- * display interface to OSPM. 
- */
-void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-        struct mdfld_dsi_pkg_sender *sender = mdfld_dsi_get_pkg_sender(dsi_config);
-        struct drm_device *dev = sender->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 gen_ctrl_val;
-        
-        if(!sender) {
-                WARN_ON(1);
-                return;
-        }
-        /* Set default display backlight value to 85% (0xd8)*/
-        mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_display_brightness,
-                                    0xd8,
-                                    1,
-                                    MDFLD_DSI_SEND_PACKAGE);
-
-        /* Set minimum brightness setting of CABC function to 20% (0x33)*/
-        mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_cabc_min_bright,
-                                    0x33,
-                                    1,
-                                    MDFLD_DSI_SEND_PACKAGE);
-
-        mdfld_dsi_write_hysteresis(dsi_config, pipe);
-        mdfld_dsi_write_display_profile (dsi_config, pipe);
-        mdfld_dsi_write_kbbc_profile (dsi_config, pipe);
-        mdfld_dsi_write_gamma_setting (dsi_config, pipe);
-
-        /* Enable backlight or/and LABC */
-        gen_ctrl_val = BRIGHT_CNTL_BLOCK_ON | DISPLAY_DIMMING_ON| BACKLIGHT_ON;
-        if (LABC_control == 1 || CABC_control == 1)
-                gen_ctrl_val |= DISPLAY_DIMMING_ON| DISPLAY_BRIGHTNESS_AUTO | GAMMA_AUTO;
-
-        if (LABC_control == 1)
-                gen_ctrl_val |= AMBIENT_LIGHT_SENSE_ON;
-
-        dev_priv->mipi_ctrl_display = gen_ctrl_val;
-
-        mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_ctrl_display,
-                                    (u8)gen_ctrl_val,
-                                    1,
-                                    MDFLD_DSI_SEND_PACKAGE);
-
-        if (CABC_control == 0)
-                return;
-        mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_ctrl_cabc,
-                                    UI_IMAGE,
-                                    1,
-                                    MDFLD_DSI_SEND_PACKAGE);
-}
-
-/*
- * Manage the mipi display brightness.
- * TODO: refine this interface later
- */
-void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe, int level)
-{
-        struct mdfld_dsi_pkg_sender *sender;
-        struct drm_psb_private *dev_priv;
-        struct mdfld_dsi_config *dsi_config;
-        u32 gen_ctrl_val;
-        int p_type;     
-        
-        if (!dev || (pipe != 0 && pipe != 2)) {
-                dev_err(dev->dev, "Invalid parameter\n");
-                return;
-        }
-
-        p_type = mdfld_get_panel_type(dev, 0);
-
-        dev_priv = dev->dev_private;
-
-        if(pipe)
-                dsi_config = dev_priv->dsi_configs[1];
-        else
-                dsi_config = dev_priv->dsi_configs[0];
-
-        sender = mdfld_dsi_get_pkg_sender(dsi_config);
-
-        if(!sender) {
-                WARN_ON(1);
-                return;
-        }
-
-        gen_ctrl_val = ((level * 0xff) / MDFLD_DSI_BRIGHTNESS_MAX_LEVEL) & 0xff;
-
-        dev_dbg(dev->dev,
-                "pipe = %d, gen_ctrl_val = %d.  \n", pipe, gen_ctrl_val);
-        
-        if(p_type == TMD_VID || p_type == TMD_CMD){
-                /* Set display backlight value */
-                mdfld_dsi_send_mcs_short_hs(sender, 
-                                        tmd_write_display_brightness, 
-                                        (u8)gen_ctrl_val, 
-                                         1, 
-                                        MDFLD_DSI_SEND_PACKAGE);                
-        } else {                        
-                /* Set display backlight value */
-                mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_display_brightness,
-                                    (u8)gen_ctrl_val,
-                                    1,
-                                    MDFLD_DSI_SEND_PACKAGE);
-
-
-                /* Enable backlight control */
-                if (level == 0)
-                        gen_ctrl_val = 0;
-                else 
-                        gen_ctrl_val = dev_priv->mipi_ctrl_display;
-
-                mdfld_dsi_send_mcs_short_hs(sender,
-                                    write_ctrl_display,
-                                   (u8)gen_ctrl_val,
-                                   1,
-                                   MDFLD_DSI_SEND_PACKAGE);
-        }
-}
-
-/*
- * shut down DSI controller
- */ 
-void mdfld_dsi_controller_shutdown(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        struct drm_device * dev;
-        u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        int retry = 100;
-        
-        if (!dsi_config) {
-                WARN_ON(1);
-                return;
-        }
-        
-        dev = dsi_config->dev;
-        
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-                
-        if(!(REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) &  DSI_DEVICE_READY)) 
-                goto shutdown_out;
-        
-        /* Send shut down package, clean packet send bit first */
-        if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-                REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), 
-                                (REG_READ(MIPIA_INTR_STAT_REG + reg_offset) | DSI_INTR_STATE_SPL_PKG_SENT));
-        }
-        
-        /*send shut down package in HS*/
-        REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_SHUTDOWN);
-        
-        
-        /*
-         * make sure shut down is sent.
-         * FIXME: add max retry counter
-         */
-        while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) {
-                retry--;
-                
-                if(!retry) {
-                        dev_err(dev->dev, "timeout\n");
-                        break;
-                }
-        }
-        
-        /*sleep 1 ms to ensure shutdown finished*/
-        msleep(100);
-        
-        /*un-ready device*/
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset),
-                           (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & ~DSI_DEVICE_READY));
-
-shutdown_out:                      
-        gma_power_end(dev);
-}
-
-void mdfld_dsi_controller_startup(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        struct drm_device * dev;
-        u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        int retry = 100;
-        
-        
-        if (!dsi_config) {
-                WARN_ON(1);
-                return;
-        }
-        
-        dev = dsi_config->dev;
-        dev_dbg(dev->dev, "starting up DSI controller on pipe %d...\n", pipe);
-        
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-        
-        if((REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) & DSI_DEVICE_READY)) 
-                goto startup_out;
-        
-        /*if config DPI, turn on DPI interface*/
-        if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) {
-                if(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT) {
-                        REG_WRITE((MIPIA_INTR_STAT_REG + reg_offset), DSI_INTR_STATE_SPL_PKG_SENT);
-                }
-                
-                REG_WRITE((MIPIA_DPI_CONTROL_REG + reg_offset), DSI_DPI_CTRL_HS_TURN_ON);
-                
-                /*
-                 * make sure shut down is sent.
-                 * FIXME: add max retry counter
-                 */
-                while(!(REG_READ(MIPIA_INTR_STAT_REG + reg_offset) & DSI_INTR_STATE_SPL_PKG_SENT)) {
-                        retry--;
-                        if(!retry) {
-                                dev_err(dev->dev, "timeout\n");
-                                break;
-                        }
-                }
-                
-                msleep(100);
-        }
-        
-        /*set device ready*/
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset),
-                           (REG_READ(MIPIA_DEVICE_READY_REG + reg_offset) | DSI_DEVICE_READY));
-
-startup_out:    
-        gma_power_end(dev);
-}
-
-
-static int mdfld_dsi_get_panel_status(struct mdfld_dsi_config *dsi_config,
-                                        u8 dcs,
-                                        u32 *data,
-                                        u8 transmission)
-{
-        struct mdfld_dsi_pkg_sender *sender
-                = mdfld_dsi_get_pkg_sender(dsi_config);
-
-        if (!sender || !data) {
-                DRM_ERROR("Invalid parameter\n");
-                return -EINVAL;
-        }
-
-        if (transmission == MDFLD_DSI_HS_TRANSMISSION)
-                return mdfld_dsi_read_mcs_hs(sender, dcs, data, 1);
-        else if (transmission == MDFLD_DSI_LP_TRANSMISSION)
-                return mdfld_dsi_read_mcs_lp(sender, dcs, data, 1);
-        else
-                return -EINVAL;
-}
-
-int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
-                                u32 *mode,
-                                u8 transmission)
-{
-        if (!dsi_config || !mode) {
-                DRM_ERROR("Invalid parameter\n");
-                return -EINVAL;
-        }
-
-        return mdfld_dsi_get_panel_status(dsi_config, 0x0a, mode, transmission);
-}
-
-int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config,
-                                        u32 *result,
-                                        u8 transmission)
-{
-        if (!dsi_config || !result) {
-                DRM_ERROR("Invalid parameter\n");
-                return -EINVAL;
-        }
-
-        return mdfld_dsi_get_panel_status(dsi_config, 0x0f, result,
-                                          transmission);
-}
-
-/*
- * NOTE: this function was used by OSPM.
- * TODO: will be removed later, should work out display interfaces for OSPM
- */
-void mdfld_dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        if(!dsi_config || ((pipe != 0) && (pipe != 2))) {
-                WARN_ON(1);
-                return;
-        }
-
-        if(dsi_config->type)
-                mdfld_dsi_dpi_controller_init(dsi_config, pipe);
-        else
-                mdfld_dsi_controller_dbi_init(dsi_config, pipe);
-}
-
-static void mdfld_dsi_connector_save(struct drm_connector * connector)
-{
-}
-
-static void mdfld_dsi_connector_restore(struct drm_connector * connector)
-{
-}
-
-static enum drm_connector_status mdfld_dsi_connector_detect(struct drm_connector * connector, bool force)
-{
-        struct psb_intel_output *psb_output
-                                        = to_psb_intel_output(connector);
-        struct mdfld_dsi_connector *dsi_connector
-                                        = MDFLD_DSI_CONNECTOR(psb_output);
-        return dsi_connector->status;
-}
-
-static int mdfld_dsi_connector_set_property(struct drm_connector *connector,
-                                        struct drm_property *property,
-                                        uint64_t value)
-{
-        struct drm_encoder *encoder = connector->encoder;
-
-        if (!strcmp(property->name, "scaling mode") && encoder) {
-                struct psb_intel_crtc * psb_crtc = to_psb_intel_crtc(encoder->crtc);
-                bool bTransitionFromToCentered;
-                uint64_t curValue;
-
-                if (!psb_crtc)
-                        goto set_prop_error;
-
-                switch (value) {
-                case DRM_MODE_SCALE_FULLSCREEN:
-                        break;
-                case DRM_MODE_SCALE_NO_SCALE:
-                        break;
-                case DRM_MODE_SCALE_ASPECT:
-                        break;
-                default:
-                        goto set_prop_error;
-                }
-
-                if (drm_connector_property_get_value(connector, property, &curValue))
-                        goto set_prop_error;
-
-                if (curValue == value)
-                        goto set_prop_done;
-
-                if (drm_connector_property_set_value(connector, property, value))
-                        goto set_prop_error;
-
-                bTransitionFromToCentered = (curValue == DRM_MODE_SCALE_NO_SCALE) ||
-                        (value == DRM_MODE_SCALE_NO_SCALE);
-
-                if (psb_crtc->saved_mode.hdisplay != 0 &&
-                    psb_crtc->saved_mode.vdisplay != 0) {
-                        if (bTransitionFromToCentered) {
-                                if (!drm_crtc_helper_set_mode(encoder->crtc, &psb_crtc->saved_mode,
-                                            encoder->crtc->x, encoder->crtc->y, encoder->crtc->fb))
-                                        goto set_prop_error;
-                        } else {
-                                struct drm_encoder_helper_funcs *pEncHFuncs  = encoder->helper_private;
-                                pEncHFuncs->mode_set(encoder, &psb_crtc->saved_mode,
-                                                     &psb_crtc->saved_adjusted_mode);
-                        }
-                }
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        } else if (!strcmp(property->name, "backlight") && encoder) {
-                struct drm_psb_private *dev_priv = encoder->dev->dev_private;
-                struct backlight_device *psb_bd = dev_priv->backlight_device;
-                dev_dbg(encoder->dev->dev, "backlight level = %d\n", (int)value);
-                if (drm_connector_property_set_value(connector, property, value))
-                        goto set_prop_error;
-                else {
-                        dev_dbg(encoder->dev->dev,
-                                        "set brightness to %d", (int)value);
-                        if (psb_bd) {
-                                psb_bd->props.brightness = value;
-                                backlight_update_status(psb_bd);
-                        }
-                }
-#endif
-        }
-set_prop_done:
-    return 0;
-set_prop_error:
-    return -1;
-}
-
-static void mdfld_dsi_connector_destroy(struct drm_connector *connector)
-{
-        struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-        struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-        struct mdfld_dsi_pkg_sender * sender;
-        
-        if(!dsi_connector)
-                return;
-        
-        drm_sysfs_connector_remove(connector);
-        drm_connector_cleanup(connector);
-        
-        sender = dsi_connector->pkg_sender;
-
-        mdfld_dsi_pkg_sender_destroy(sender);
-
-        kfree(dsi_connector);
-}
-
-static int mdfld_dsi_connector_get_modes(struct drm_connector * connector)
-{
-        struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-        struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-        struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-        struct drm_display_mode * fixed_mode = dsi_config->fixed_mode;
-        struct drm_display_mode * dup_mode = NULL;
-        struct drm_device * dev = connector->dev;
-        
-        connector->display_info.min_vfreq = 0;
-        connector->display_info.max_vfreq = 200;
-        connector->display_info.min_hfreq = 0;
-        connector->display_info.max_hfreq = 200;
-
-        if(fixed_mode) {
-                dev_dbg(dev->dev, "fixed_mode %dx%d\n",
-                        fixed_mode->hdisplay, fixed_mode->vdisplay);
-                
-                dup_mode = drm_mode_duplicate(dev, fixed_mode);
-                drm_mode_probed_add(connector, dup_mode);
-                return 1;
-        }
-        dev_err(dev->dev, "Didn't get any modes!\n");
-        return 0;
-}
-
-static int mdfld_dsi_connector_mode_valid(struct drm_connector * connector, struct drm_display_mode * mode)
-{
-        struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-        struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-        struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-        struct drm_display_mode * fixed_mode = dsi_config->fixed_mode;
-
-        dev_dbg(connector->dev->dev, "mode %p, fixed mode %p\n",
-                                                        mode, fixed_mode);
-
-        if(mode->flags & DRM_MODE_FLAG_DBLSCAN) 
-                return MODE_NO_DBLESCAN;
-
-        if(mode->flags & DRM_MODE_FLAG_INTERLACE)
-                return MODE_NO_INTERLACE;
-
-        /**
-         * FIXME: current DC has no fitting unit, reject any mode setting request
-         * will figure out a way to do up-scaling(pannel fitting) later.  
-         **/
-        if(fixed_mode) {
-                if(mode->hdisplay != fixed_mode->hdisplay)
-                        return MODE_PANEL;
-
-                if(mode->vdisplay != fixed_mode->vdisplay)
-                        return MODE_PANEL;
-        }
-        dev_dbg(connector->dev->dev, "mode ok\n");
-
-        return MODE_OK;
-}
-
-static void mdfld_dsi_connector_dpms(struct drm_connector *connector, int mode)
-{
-#ifdef CONFIG_PM_RUNTIME
-        struct drm_device * dev = connector->dev;
-        struct drm_psb_private * dev_priv = dev->dev_private;
-        bool panel_on, panel_on2;
-#endif
-        /* First, execute DPMS */
-        drm_helper_connector_dpms(connector, mode);
-
-#ifdef CONFIG_PM_RUNTIME
-        if(mdfld_panel_dpi(dev)) {
-                /* DPI panel */
-                panel_on = dev_priv->dpi_panel_on;
-                panel_on2 = dev_priv->dpi_panel_on2;
-        } else {
-                /* DBI panel */
-                panel_on = dev_priv->dbi_panel_on;
-                panel_on2 = dev_priv->dbi_panel_on2;
-        }
-
-        /* Then check all display panels + monitors status */
-        /* Make sure that the Display (B) sub-system status isn't i3 when
-         * R/W the DC register, otherwise "Fabric error" issue would occur
-         * during S0i3 state. */
-        if(!panel_on && !panel_on2 && !(REG_READ(HDMIB_CONTROL)
-                                                & HDMIB_PORT_EN)) {
-                /* Request rpm idle */
-                if(dev_priv->rpm_enabled)
-                        pm_request_idle(&dev->pdev->dev);
-        }
-        /*
-         * if rpm wasn't enabled yet, try to allow it
-         * FIXME: won't enable rpm for DPI since DPI
-         * CRTC setting is a little messy now.
-         * Enable it later!
-         */
-#if 0
-        if(!dev_priv->rpm_enabled && !mdfld_panel_dpi(dev))
-                ospm_runtime_pm_allow(dev);
-#endif
-#endif
-}
-
-static struct drm_encoder *mdfld_dsi_connector_best_encoder(
-                                        struct drm_connector *connector) 
-{
-        struct psb_intel_output * psb_output = to_psb_intel_output(connector);
-        struct mdfld_dsi_connector * dsi_connector = MDFLD_DSI_CONNECTOR(psb_output);
-        struct mdfld_dsi_config * dsi_config = mdfld_dsi_get_config(dsi_connector);
-        struct mdfld_dsi_encoder * encoder = NULL;
-        
-        if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) 
-                encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DBI];
-        else if (dsi_config->type == MDFLD_DSI_ENCODER_DPI) 
-                encoder = dsi_config->encoders[MDFLD_DSI_ENCODER_DPI];
-        
-        dev_dbg(connector->dev->dev, "get encoder %p\n", encoder);
-        
-        if(!encoder) {
-                dev_err(connector->dev->dev,
-                        "Invalid encoder for type %d\n", dsi_config->type);
-                return NULL;
-        }
-        dsi_config->encoder = encoder;  
-        return &encoder->base;  
-}
-
-/* DSI connector funcs */
-static const struct drm_connector_funcs mdfld_dsi_connector_funcs = {
-        .dpms = /*drm_helper_connector_dpms*/mdfld_dsi_connector_dpms,
-        .save = mdfld_dsi_connector_save,
-        .restore = mdfld_dsi_connector_restore,
-        .detect = mdfld_dsi_connector_detect,
-        .fill_modes = drm_helper_probe_single_connector_modes,
-        .set_property = mdfld_dsi_connector_set_property,
-        .destroy = mdfld_dsi_connector_destroy,
-};
-
-/* DSI connector helper funcs */
-static const struct drm_connector_helper_funcs mdfld_dsi_connector_helper_funcs = {
-        .get_modes = mdfld_dsi_connector_get_modes,
-        .mode_valid = mdfld_dsi_connector_mode_valid,
-        .best_encoder = mdfld_dsi_connector_best_encoder,
-};
-
-static int mdfld_dsi_get_default_config(struct drm_device * dev, 
-                                                                                struct mdfld_dsi_config * config, int pipe)
-{
-        if(!dev || !config) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        
-        config->bpp = 24;
-        config->type = mdfld_panel_dpi(dev);
-        config->lane_count = 2;
-        config->channel_num = 0;
-        /*NOTE: video mode is ignored when type is MDFLD_DSI_ENCODER_DBI*/
-        if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
-                config->video_mode = MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE;
-        } else {
-                config->video_mode = MDFLD_DSI_VIDEO_BURST_MODE;
-        }
-        
-        return 0;
-}
-
-/*
- * Returns the panel fixed mode from configuration. 
- */
-struct drm_display_mode *
-mdfld_dsi_get_configuration_mode(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        struct drm_device *dev = dsi_config->dev;
-        struct drm_display_mode *mode;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-        bool use_gct = false;
-
-        mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-        if (!mode) {
-                dev_err(dev->dev, "Out of memory for mode\n");
-                return NULL;
-        }
-        if (use_gct) {
-                dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-                mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-                mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-                mode->hsync_start = mode->hdisplay + \
-                                ((ti->hsync_offset_hi << 8) | \
-                                ti->hsync_offset_lo);
-                mode->hsync_end = mode->hsync_start + \
-                                ((ti->hsync_pulse_width_hi << 8) | \
-                                ti->hsync_pulse_width_lo);
-                mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-                                                                ti->hblank_lo);
-                mode->vsync_start = \
-                        mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-                                                ti->vsync_offset_lo);
-                mode->vsync_end = \
-                        mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-                                                ti->vsync_pulse_width_lo);
-                mode->vtotal = mode->vdisplay + \
-                                ((ti->vblank_hi << 8) | ti->vblank_lo);
-                mode->clock = ti->pixel_clock * 10;
-        } else {
-                if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) { 
-                        if (mdfld_get_panel_type(dev, pipe) == TMD_VID) {
-                                mode->hdisplay = 480;
-                                mode->vdisplay = 854;
-                                mode->hsync_start = 487;
-                                mode->hsync_end = 490;
-                                mode->htotal = 499;
-                                mode->vsync_start = 861;
-                                mode->vsync_end = 865;
-                                mode->vtotal = 873;
-                                mode->clock = 33264;
-                        } else {
-                                mode->hdisplay = 864;
-                                mode->vdisplay = 480;
-                                mode->hsync_start = 873;
-                                mode->hsync_end = 876;
-                                mode->htotal = 887;
-                                mode->vsync_start = 487;
-                                mode->vsync_end = 490;
-                                mode->vtotal = 499;
-                                mode->clock = 33264;
-                        }
-                } else if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-                        mode->hdisplay = 864;
-                        mode->vdisplay = 480;
-                        mode->hsync_start = 872;
-                        mode->hsync_end = 876;
-                        mode->htotal = 884;
-                        mode->vsync_start = 482;
-                        mode->vsync_end = 494;
-                        mode->vtotal = 486;
-                        mode->clock = 25777;
-                        
-                }
-        }
-
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-        
-        mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-        return mode;
-}
-
-int mdfld_dsi_panel_reset(int pipe)
-{
-        unsigned gpio;
-        int ret = 0;
-
-        switch (pipe) {
-        case 0:
-                gpio = 128;
-                break;
-        case 2:
-                gpio = 34;
-                break;
-        default:
-                DRM_ERROR("Invalid output\n");
-                return -EINVAL;
-        }
-
-        ret = gpio_request(gpio, "gfx");
-        if (ret) {
-                DRM_ERROR("gpio_rqueset failed\n");
-                return ret;
-        }
-
-        ret = gpio_direction_output(gpio, 1);
-        if (ret) {
-                DRM_ERROR("gpio_direction_output failed\n");
-                goto gpio_error;
-        }
-
-        gpio_get_value(128);
-
-gpio_error:
-        if (gpio_is_valid(gpio))
-                gpio_free(gpio);
-
-        return ret;
-}
-
-/*
- * MIPI output init
- * @dev drm device
- * @pipe pipe number. 0 or 2
- * @config 
- * 
- * Do the initialization of a MIPI output, including create DRM mode objects
- * initialization of DSI output on @pipe 
- */
-void mdfld_dsi_output_init(struct drm_device *dev,
-                           int pipe, 
-                           struct mdfld_dsi_config *config,
-                           struct panel_funcs* p_cmd_funcs,
-                           struct panel_funcs* p_vid_funcs)
-{
-        struct mdfld_dsi_config * dsi_config;
-        struct mdfld_dsi_connector * dsi_connector;
-        struct psb_intel_output * psb_output;
-        struct drm_connector * connector;
-        struct mdfld_dsi_encoder * encoder;
-        struct drm_psb_private * dev_priv = dev->dev_private;
-        struct panel_info dsi_panel_info;
-        u32 width_mm, height_mm;
-
-        dev_dbg(dev->dev, "init DSI output on pipe %d\n", pipe);
-        
-        if(!dev || ((pipe != 0) && (pipe != 2))) {
-                WARN_ON(1);
-                return;
-        }
-        
-        /*create a new connetor*/
-        dsi_connector = kzalloc(sizeof(struct mdfld_dsi_connector), GFP_KERNEL);
-        if(!dsi_connector) {
-                DRM_ERROR("No memory");
-                return;
-        }
-        
-        dsi_connector->pipe =  pipe;
-        
-        /*set DSI config*/
-        if(config) { 
-                dsi_config = config;
-        } else {
-                dsi_config = kzalloc(sizeof(struct mdfld_dsi_config), GFP_KERNEL);
-                if(!dsi_config) {
-                        dev_err(dev->dev,
-                                "cannot allocate memory for DSI config\n");
-                        goto dsi_init_err0;
-                }
-                
-                mdfld_dsi_get_default_config(dev, dsi_config, pipe);
-        }
-        
-        dsi_connector->private = dsi_config;
-        
-        dsi_config->changed = 1;
-        dsi_config->dev = dev;
-        
-        /* Init fixed mode basing on DSI config type */
-        if(dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-                dsi_config->fixed_mode = p_cmd_funcs->get_config_mode(dev);
-                if(p_cmd_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
-                        goto dsi_init_err0;
-        } else if(dsi_config->type == MDFLD_DSI_ENCODER_DPI) {
-                dsi_config->fixed_mode = p_vid_funcs->get_config_mode(dev);
-                if(p_vid_funcs->get_panel_info(dev, pipe, &dsi_panel_info))
-                        goto dsi_init_err0;
-        }
-
-        width_mm = dsi_panel_info.width_mm;
-        height_mm = dsi_panel_info.height_mm;
-
-        dsi_config->mode = dsi_config->fixed_mode;
-        dsi_config->connector = dsi_connector;
-        
-        if(!dsi_config->fixed_mode) {
-                dev_err(dev->dev, "No pannel fixed mode was found\n");
-                goto dsi_init_err0;
-        }
-        
-        if(pipe && dev_priv->dsi_configs[0]) {
-                dsi_config->dvr_ic_inited = 0;
-                dev_priv->dsi_configs[1] = dsi_config;
-        } else if(pipe == 0) {
-                dsi_config->dvr_ic_inited = 1;
-                dev_priv->dsi_configs[0] = dsi_config;
-        } else {
-                dev_err(dev->dev, "Trying to init MIPI1 before MIPI0\n");
-                goto dsi_init_err0;
-        }
-
-        /*init drm connector object*/
-        psb_output = &dsi_connector->base;
-        
-        psb_output->type = (pipe == 0) ? INTEL_OUTPUT_MIPI : INTEL_OUTPUT_MIPI2;
-
-        connector = &psb_output->base;
-        /* Revisit type if MIPI/HDMI bridges ever appear on Medfield */
-        drm_connector_init(dev, connector, &mdfld_dsi_connector_funcs,
-                                                DRM_MODE_CONNECTOR_LVDS);
-        drm_connector_helper_add(connector, &mdfld_dsi_connector_helper_funcs);
-        
-        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-        connector->display_info.width_mm = width_mm;
-        connector->display_info.height_mm = height_mm;
-        connector->interlace_allowed = false;
-        connector->doublescan_allowed = false;
-        
-        /* Attach properties */
-        drm_connector_attach_property(connector, dev->mode_config.scaling_mode_property, DRM_MODE_SCALE_FULLSCREEN);
-        drm_connector_attach_property(connector, dev_priv->backlight_property, MDFLD_DSI_BRIGHTNESS_MAX_LEVEL);
-
-        /* Init DSI package sender on this output */
-        if (mdfld_dsi_pkg_sender_init(dsi_connector, pipe)) {
-                DRM_ERROR("Package Sender initialization failed on pipe %d\n", pipe);
-                goto dsi_init_err0;
-        }
-
-        /* Init DBI & DPI encoders */
-        if (p_cmd_funcs) {
-                encoder = mdfld_dsi_dbi_init(dev, dsi_connector, p_cmd_funcs);
-                if(!encoder) {
-                        dev_err(dev->dev, "Create DBI encoder failed\n");
-                        goto dsi_init_err1;
-                }
-                encoder->private = dsi_config;
-                dsi_config->encoders[MDFLD_DSI_ENCODER_DBI] = encoder;
-        }
-        
-        if(p_vid_funcs) {
-                encoder = mdfld_dsi_dpi_init(dev, dsi_connector, p_vid_funcs);
-                if(!encoder) {
-                        dev_err(dev->dev, "Create DPI encoder failed\n");
-                        goto dsi_init_err1;
-                }
-                encoder->private = dsi_config;
-                dsi_config->encoders[MDFLD_DSI_ENCODER_DPI] = encoder;
-        }
-        
-        drm_sysfs_connector_add(connector);
-        return;
-        
-        /*TODO: add code to destroy outputs on error*/
-dsi_init_err1:
-        /*destroy sender*/
-        mdfld_dsi_pkg_sender_destroy(dsi_connector->pkg_sender);
-
-        drm_connector_cleanup(connector);
-        kfree(dsi_config->fixed_mode);
-        kfree(dsi_config);
-dsi_init_err0:
-        kfree(dsi_connector);
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_output.h b/drivers/staging/gma500/mdfld_dsi_output.h
deleted file mode 100644
index 4699267efd60..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_output.h
+++ /dev/null
@@ -1,138 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#ifndef __MDFLD_DSI_OUTPUT_H__
-#define __MDFLD_DSI_OUTPUT_H__
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_edid.h>
-
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "mdfld_output.h"
-
-#include <asm/mrst.h>
-
-
-static inline struct mdfld_dsi_config *
-        mdfld_dsi_get_config(struct mdfld_dsi_connector *connector)
-{
-        if (!connector)
-                return NULL;
-        return (struct mdfld_dsi_config *)connector->private;
-}
-
-static inline void *mdfld_dsi_get_pkg_sender(struct mdfld_dsi_config *config)
-{
-        struct mdfld_dsi_connector *dsi_connector;
-
-        if (!config)
-                return NULL;
-
-        dsi_connector = config->connector;
-
-        if (!dsi_connector)
-                return NULL;
-
-        return dsi_connector->pkg_sender;
-}
-
-static inline struct mdfld_dsi_config *
-        mdfld_dsi_encoder_get_config(struct mdfld_dsi_encoder *encoder)
-{
-        if (!encoder)
-                return NULL;
-        return (struct mdfld_dsi_config *)encoder->private;
-}
-
-static inline struct mdfld_dsi_connector *
-        mdfld_dsi_encoder_get_connector(struct mdfld_dsi_encoder *encoder)
-{
-        struct mdfld_dsi_config *config;
-
-        if (!encoder)
-                return NULL;
-
-        config = mdfld_dsi_encoder_get_config(encoder);
-        if (!config)
-                return NULL;
-
-        return config->connector;
-}
-
-static inline void *mdfld_dsi_encoder_get_pkg_sender(
-        struct mdfld_dsi_encoder *encoder)
-{
-        struct mdfld_dsi_config *dsi_config;
-
-        dsi_config = mdfld_dsi_encoder_get_config(encoder);
-        if (!dsi_config)
-                return NULL;
-
-        return mdfld_dsi_get_pkg_sender(dsi_config);
-}
-
-static inline int mdfld_dsi_encoder_get_pipe(struct mdfld_dsi_encoder *encoder)
-{
-        struct mdfld_dsi_connector *connector;
-
-        if (!encoder)
-                return -1;
-
-        connector = mdfld_dsi_encoder_get_connector(encoder);
-        if (!connector)
-                return -1;
-
-        return connector->pipe;
-}
-
-extern void mdfld_dsi_gen_fifo_ready(struct drm_device *dev,
-                                u32 gen_fifo_stat_reg, u32 fifo_stat);
-extern void mdfld_dsi_brightness_init(struct mdfld_dsi_config *dsi_config,
-                                int pipe);
-extern void mdfld_dsi_brightness_control(struct drm_device *dev, int pipe,
-                                int level);
-extern void mdfld_dsi_output_init(struct drm_device *dev, int pipe,
-                                struct mdfld_dsi_config *config,
-                                struct panel_funcs *p_cmd_funcs,
-                                struct panel_funcs *p_vid_funcs);
-extern void mdfld_dsi_controller_init(struct mdfld_dsi_config *dsi_config,
-                                int pipe);
-extern int mdfld_dsi_get_power_mode(struct mdfld_dsi_config *dsi_config,
-                                u32 *mode,
-                                u8 transmission);
-extern int mdfld_dsi_get_diagnostic_result(struct mdfld_dsi_config *dsi_config,
-                                u32 *result,
-                                u8 transmission);
-extern int mdfld_dsi_panel_reset(int pipe);
-
-#endif /*__MDFLD_DSI_OUTPUT_H__*/
diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c b/drivers/staging/gma500/mdfld_dsi_pkg_sender.c
deleted file mode 100644
index 9b96a5c9abcd..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.c
+++ /dev/null
@@ -1,1484 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include <linux/freezer.h>
-
-#include "mdfld_dsi_output.h"
-#include "mdfld_dsi_pkg_sender.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-
-#define MDFLD_DSI_DBI_FIFO_TIMEOUT              100
-#define MDFLD_DSI_MAX_RETURN_PACKET_SIZE        512
-#define MDFLD_DSI_READ_MAX_COUNT                5000
-
-static const char * const dsi_errors[] = {
-        "RX SOT Error",
-        "RX SOT Sync Error",
-        "RX EOT Sync Error",
-        "RX Escape Mode Entry Error",
-        "RX LP TX Sync Error",
-        "RX HS Receive Timeout Error",
-        "RX False Control Error",
-        "RX ECC Single Bit Error",
-        "RX ECC Multibit Error",
-        "RX Checksum Error",
-        "RX DSI Data Type Not Recognised",
-        "RX DSI VC ID Invalid",
-        "TX False Control Error",
-        "TX ECC Single Bit Error",
-        "TX ECC Multibit Error",
-        "TX Checksum Error",
-        "TX DSI Data Type Not Recognised",
-        "TX DSI VC ID invalid",
-        "High Contention",
-        "Low contention",
-        "DPI FIFO Under run",
-        "HS TX Timeout",
-        "LP RX Timeout",
-        "Turn Around ACK Timeout",
-        "ACK With No Error",
-        "RX Invalid TX Length",
-        "RX Prot Violation",
-        "HS Generic Write FIFO Full",
-        "LP Generic Write FIFO Full",
-        "Generic Read Data Avail",
-        "Special Packet Sent",
-        "Tearing Effect",
-};
-
-static int wait_for_gen_fifo_empty(struct mdfld_dsi_pkg_sender *sender,
-                                                                u32 mask)
-{
-        struct drm_device *dev = sender->dev;
-        u32 gen_fifo_stat_reg = sender->mipi_gen_fifo_stat_reg;
-        int retry = 0xffff;
-
-        while (retry--) {
-                if ((mask & REG_READ(gen_fifo_stat_reg)) == mask)
-                        return 0;
-                udelay(100);
-        }
-        dev_err(dev->dev, "fifo is NOT empty 0x%08x\n",
-                                        REG_READ(gen_fifo_stat_reg));
-        return -EIO;
-}
-
-static int wait_for_all_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-        return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 10) | (1 << 18)
-                | (1 << 26) | (1 << 27) | (1 << 28));
-}
-
-static int wait_for_lp_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-        return wait_for_gen_fifo_empty(sender, (1 << 10) | (1 << 26));
-}
-
-static int wait_for_hs_fifos_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-        return wait_for_gen_fifo_empty(sender, (1 << 2) | (1 << 18));
-}
-
-static int wait_for_dbi_fifo_empty(struct mdfld_dsi_pkg_sender *sender)
-{
-        return wait_for_gen_fifo_empty(sender, (1 << 27));
-}
-
-static int handle_dsi_error(struct mdfld_dsi_pkg_sender *sender, u32 mask)
-{
-        u32 intr_stat_reg = sender->mipi_intr_stat_reg;
-        struct drm_device *dev = sender->dev;
-
-        switch (mask) {
-        case (1 << 0):
-        case (1 << 1):
-        case (1 << 2):
-        case (1 << 3):
-        case (1 << 4):
-        case (1 << 5):
-        case (1 << 6):
-        case (1 << 7):
-        case (1 << 8):
-        case (1 << 9):
-        case (1 << 10):
-        case (1 << 11):
-        case (1 << 12):
-        case (1 << 13):
-                break;
-        case (1 << 14):
-                /*wait for all fifo empty*/
-                /*wait_for_all_fifos_empty(sender)*/;
-                break;
-        case (1 << 15):
-                break;
-        case (1 << 16):
-                break;
-        case (1 << 17):
-                break;
-        case (1 << 18):
-        case (1 << 19):
-                /*wait for contention recovery time*/
-                /*mdelay(10);*/
-                /*wait for all fifo empty*/
-                if (0)
-                        wait_for_all_fifos_empty(sender);
-                break;
-        case (1 << 20):
-                break;
-        case (1 << 21):
-                /*wait for all fifo empty*/
-                /*wait_for_all_fifos_empty(sender);*/
-                break;
-        case (1 << 22):
-                break;
-        case (1 << 23):
-        case (1 << 24):
-        case (1 << 25):
-        case (1 << 26):
-        case (1 << 27):
-                /* HS Gen fifo full */
-                REG_WRITE(intr_stat_reg, mask);
-                wait_for_hs_fifos_empty(sender);
-                break;
-        case (1 << 28):
-                /* LP Gen fifo full\n */
-                REG_WRITE(intr_stat_reg, mask);
-                wait_for_lp_fifos_empty(sender);
-                break;
-        case (1 << 29):
-        case (1 << 30):
-        case (1 << 31):
-                break;
-        }
-
-        if (mask & REG_READ(intr_stat_reg))
-                dev_warn(dev->dev, "Cannot clean interrupt 0x%08x\n", mask);
-
-        return 0;
-}
-
-static int dsi_error_handler(struct mdfld_dsi_pkg_sender *sender)
-{
-        struct drm_device *dev = sender->dev;
-        u32 intr_stat_reg = sender->mipi_intr_stat_reg;
-        u32 mask;
-        u32 intr_stat;
-        int i;
-        int err = 0;
-
-        intr_stat = REG_READ(intr_stat_reg);
-
-        for (i = 0; i < 32; i++) {
-                mask = (0x00000001UL) << i;
-                if (intr_stat & mask) {
-                        dev_dbg(dev->dev, "[DSI]: %s\n", dsi_errors[i]);
-                        err = handle_dsi_error(sender, mask);
-                        if (err)
-                                dev_err(dev->dev, "Cannot handle error\n");
-                }
-        }
-        return err;
-}
-
-static inline int dbi_cmd_sent(struct mdfld_dsi_pkg_sender *sender)
-{
-        struct drm_device *dev = sender->dev;
-        u32 retry = 0xffff;
-        u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg;
-
-        /* Query the command execution status */
-        while (retry--) {
-                if (!(REG_READ(dbi_cmd_addr_reg) & (1 << 0)))
-                        break;
-        }
-
-        if (!retry) {
-                dev_err(dev->dev, "Timeout waiting for DBI Command status\n");
-                return -EAGAIN;
-        }
-        return 0;
-}
-
-/*
- * NOTE: this interface is abandoned expect for write_mem_start DCS
- * other DCS are sent via generic pkg interfaces
- */
-static int send_dcs_pkg(struct mdfld_dsi_pkg_sender *sender,
-                        struct mdfld_dsi_pkg *pkg)
-{
-        struct drm_device *dev = sender->dev;
-        struct mdfld_dsi_dcs_pkg *dcs_pkg = &pkg->pkg.dcs_pkg;
-        u32 dbi_cmd_len_reg = sender->mipi_cmd_len_reg;
-        u32 dbi_cmd_addr_reg = sender->mipi_cmd_addr_reg;
-        u32 cb_phy = sender->dbi_cb_phy;
-        u32 index = 0;
-        u8 *cb = (u8 *)sender->dbi_cb_addr;
-        int i;
-        int ret;
-
-        if (!sender->dbi_pkg_support) {
-                dev_err(dev->dev, "Trying to send DCS on a non DBI output, abort!\n");
-                return -ENOTSUPP;
-        }
-
-        /*wait for DBI fifo empty*/
-        wait_for_dbi_fifo_empty(sender);
-
-        *(cb + (index++)) = dcs_pkg->cmd;
-        if (dcs_pkg->param_num) {
-                for (i = 0; i < dcs_pkg->param_num; i++)
-                        *(cb + (index++)) = *(dcs_pkg->param + i);
-        }
-
-        REG_WRITE(dbi_cmd_len_reg, (1 + dcs_pkg->param_num));
-        REG_WRITE(dbi_cmd_addr_reg,
-                (cb_phy << CMD_MEM_ADDR_OFFSET)
-                | (1 << 0)
-                | ((dcs_pkg->data_src == CMD_DATA_SRC_PIPE) ? (1 << 1) : 0));
-
-        ret = dbi_cmd_sent(sender);
-        if (ret) {
-                dev_err(dev->dev, "command 0x%x not complete\n", dcs_pkg->cmd);
-                return -EAGAIN;
-        }
-        return 0;
-}
-
-static int __send_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        struct drm_device *dev = sender->dev;
-        u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
-        u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
-        u32 gen_ctrl_val = 0;
-        struct mdfld_dsi_gen_short_pkg *short_pkg = &pkg->pkg.short_pkg;
-
-        gen_ctrl_val |= short_pkg->cmd << MCS_COMMANDS_POS;
-        gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS;
-        gen_ctrl_val |= pkg->pkg_type;
-        gen_ctrl_val |= short_pkg->param << MCS_PARAMETER_POS;
-
-        if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) {
-                /* wait for hs fifo empty */
-                /* wait_for_hs_fifos_empty(sender); */
-                /* Send pkg */
-                REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val);
-        } else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) {
-                /* wait_for_lp_fifos_empty(sender); */
-                /* Send pkg*/
-                REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val);
-        } else {
-                dev_err(dev->dev, "Unknown transmission type %d\n",
-                                                        pkg->transmission_type);
-                return -EINVAL;
-        }
-
-        return 0;
-}
-
-static int __send_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        struct drm_device *dev = sender->dev;
-        u32 hs_gen_ctrl_reg = sender->mipi_hs_gen_ctrl_reg;
-        u32 hs_gen_data_reg = sender->mipi_hs_gen_data_reg;
-        u32 lp_gen_ctrl_reg = sender->mipi_lp_gen_ctrl_reg;
-        u32 lp_gen_data_reg = sender->mipi_lp_gen_data_reg;
-        u32 gen_ctrl_val = 0;
-        u32 *dp;
-        int i;
-        struct mdfld_dsi_gen_long_pkg *long_pkg = &pkg->pkg.long_pkg;
-
-        dp = long_pkg->data;
-
-        /*
-         * Set up word count for long pkg
-         * FIXME: double check word count field.
-         * currently, using the byte counts of the payload as the word count.
-         * ------------------------------------------------------------
-         * | DI |   WC   | ECC|         PAYLOAD              |CHECKSUM|
-         * ------------------------------------------------------------
-         */
-        gen_ctrl_val |= (long_pkg->len << 2) << WORD_COUNTS_POS;
-        gen_ctrl_val |= 0 << DCS_CHANNEL_NUMBER_POS;
-        gen_ctrl_val |= pkg->pkg_type;
-
-        if (pkg->transmission_type == MDFLD_DSI_HS_TRANSMISSION) {
-                /* Wait for hs ctrl and data fifos to be empty */
-                /* wait_for_hs_fifos_empty(sender); */
-                for (i = 0; i < long_pkg->len; i++)
-                        REG_WRITE(hs_gen_data_reg, *(dp + i));
-                REG_WRITE(hs_gen_ctrl_reg, gen_ctrl_val);
-        } else if (pkg->transmission_type == MDFLD_DSI_LP_TRANSMISSION) {
-                /* wait_for_lp_fifos_empty(sender); */
-                for (i = 0; i < long_pkg->len; i++)
-                        REG_WRITE(lp_gen_data_reg, *(dp + i));
-                REG_WRITE(lp_gen_ctrl_reg, gen_ctrl_val);
-        } else {
-                dev_err(dev->dev, "Unknown transmission type %d\n",
-                                                pkg->transmission_type);
-                return -EINVAL;
-        }
-
-        return 0;
-
-}
-
-static int send_mcs_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        return __send_short_pkg(sender, pkg);
-}
-
-static int send_mcs_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        return __send_long_pkg(sender, pkg);
-}
-
-static int send_gen_short_pkg(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        return __send_short_pkg(sender, pkg);
-}
-
-static int send_gen_long_pkg(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        return __send_long_pkg(sender, pkg);
-}
-
-static int send_pkg_prepare(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        u8 cmd;
-        u8 *data;
-
-        switch (pkg->pkg_type) {
-        case MDFLD_DSI_PKG_DCS:
-                cmd = pkg->pkg.dcs_pkg.cmd;
-                break;
-        case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-        case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-                cmd = pkg->pkg.short_pkg.cmd;
-                break;
-        case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-                data = (u8 *)pkg->pkg.long_pkg.data;
-                cmd = *data;
-                break;
-        default:
-                return 0;
-        }
-
-        /* This prevents other package sending while doing msleep */
-        sender->status = MDFLD_DSI_PKG_SENDER_BUSY;
-
-        /* Check panel mode v.s. sending command */
-        if ((sender->panel_mode & MDFLD_DSI_PANEL_MODE_SLEEP) &&
-                cmd != exit_sleep_mode) {
-                dev_err(sender->dev->dev,
-                                "sending 0x%x when panel sleep in\n", cmd);
-                sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-                return -EINVAL;
-        }
-
-        /* Wait for 120 milliseconds in case exit_sleep_mode just be sent */
-        if (cmd == DCS_ENTER_SLEEP_MODE) {
-                /*TODO: replace it with msleep later*/
-                mdelay(120);
-        }
-        return 0;
-}
-
-static int send_pkg_done(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg)
-{
-        u8 cmd;
-        u8 *data;
-
-        switch (pkg->pkg_type) {
-        case MDFLD_DSI_PKG_DCS:
-                cmd = pkg->pkg.dcs_pkg.cmd;
-                break;
-        case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-        case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-                cmd = pkg->pkg.short_pkg.cmd;
-                break;
-        case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-                data = (u8 *)pkg->pkg.long_pkg.data;
-                cmd = *data;
-                break;
-        default:
-                return 0;
-        }
-
-        /* Update panel status */
-        if (cmd == DCS_ENTER_SLEEP_MODE) {
-                sender->panel_mode |= MDFLD_DSI_PANEL_MODE_SLEEP;
-                /*TODO: replace it with msleep later*/
-                mdelay(120);
-        } else if (cmd == DCS_EXIT_SLEEP_MODE) {
-                sender->panel_mode &= ~MDFLD_DSI_PANEL_MODE_SLEEP;
-                /*TODO: replace it with msleep later*/
-                mdelay(120);
-        } else if (unlikely(cmd == DCS_SOFT_RESET)) {
-                /*TODO: replace it with msleep later*/
-                mdelay(5);
-        }
-        sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-        return 0;
-
-}
-
-static int do_send_pkg(struct mdfld_dsi_pkg_sender *sender,
-                        struct mdfld_dsi_pkg *pkg)
-{
-        int ret;
-
-        if (sender->status == MDFLD_DSI_PKG_SENDER_BUSY) {
-                dev_err(sender->dev->dev, "sender is busy\n");
-                return -EAGAIN;
-        }
-
-        ret = send_pkg_prepare(sender, pkg);
-        if (ret) {
-                dev_err(sender->dev->dev, "send_pkg_prepare error\n");
-                return ret;
-        }
-
-        switch (pkg->pkg_type) {
-        case MDFLD_DSI_PKG_DCS:
-                ret = send_dcs_pkg(sender, pkg);
-                break;
-        case MDFLD_DSI_PKG_GEN_SHORT_WRITE_0:
-        case MDFLD_DSI_PKG_GEN_SHORT_WRITE_1:
-        case MDFLD_DSI_PKG_GEN_SHORT_WRITE_2:
-        case MDFLD_DSI_PKG_GEN_READ_0:
-        case MDFLD_DSI_PKG_GEN_READ_1:
-        case MDFLD_DSI_PKG_GEN_READ_2:
-                ret = send_gen_short_pkg(sender, pkg);
-                break;
-        case MDFLD_DSI_PKG_GEN_LONG_WRITE:
-                ret = send_gen_long_pkg(sender, pkg);
-                break;
-        case MDFLD_DSI_PKG_MCS_SHORT_WRITE_0:
-        case MDFLD_DSI_PKG_MCS_SHORT_WRITE_1:
-        case MDFLD_DSI_PKG_MCS_READ:
-                ret = send_mcs_short_pkg(sender, pkg);
-                break;
-        case MDFLD_DSI_PKG_MCS_LONG_WRITE:
-                ret = send_mcs_long_pkg(sender, pkg);
-                break;
-        default:
-                dev_err(sender->dev->dev, "Invalid pkg type 0x%x\n",
-                                                        pkg->pkg_type);
-                ret = -EINVAL;
-        }
-        send_pkg_done(sender, pkg);
-        return ret;
-}
-
-static int send_pkg(struct mdfld_dsi_pkg_sender *sender,
-                        struct mdfld_dsi_pkg *pkg)
-{
-        int err ;
-
-        /* Handle DSI error */
-        err = dsi_error_handler(sender);
-        if (err) {
-                dev_err(sender->dev->dev, "Error handling failed\n");
-                err = -EAGAIN;
-                goto send_pkg_err;
-        }
-
-        /* Send pkg */
-        err = do_send_pkg(sender, pkg);
-        if (err) {
-                dev_err(sender->dev->dev, "sent pkg failed\n");
-                err = -EAGAIN;
-                goto send_pkg_err;
-        }
-
-        /* FIXME: should I query complete and fifo empty here? */
-send_pkg_err:
-        return err;
-}
-
-static struct mdfld_dsi_pkg *pkg_sender_get_pkg_locked(
-                                        struct mdfld_dsi_pkg_sender *sender)
-{
-        struct mdfld_dsi_pkg *pkg;
-
-        if (list_empty(&sender->free_list)) {
-                dev_err(sender->dev->dev, "No free pkg left\n");
-                return NULL;
-        }
-        pkg = list_first_entry(&sender->free_list, struct mdfld_dsi_pkg, entry);
-        /* Detach from free list */
-        list_del_init(&pkg->entry);
-        return pkg;
-}
-
-static void pkg_sender_put_pkg_locked(struct mdfld_dsi_pkg_sender *sender,
-                                        struct mdfld_dsi_pkg *pkg)
-{
-        memset(pkg, 0, sizeof(struct mdfld_dsi_pkg));
-        INIT_LIST_HEAD(&pkg->entry);
-        list_add_tail(&pkg->entry, &sender->free_list);
-}
-
-static int mdfld_dbi_cb_init(struct mdfld_dsi_pkg_sender *sender,
-                                        struct psb_gtt *pg, int pipe)
-{
-        unsigned long phys;
-        void *virt_addr = NULL;
-
-        switch (pipe) {
-        case 0:
-                /* FIXME: Doesn't this collide with stolen space ? */
-                phys = pg->gtt_phys_start - 0x1000;
-                break;
-        case 2:
-                phys = pg->gtt_phys_start - 0x800;
-                break;
-        default:
-                dev_err(sender->dev->dev, "Unsupported channel %d\n", pipe);
-                return -EINVAL;
-        }
-
-        virt_addr = ioremap_nocache(phys, 0x800);
-        if (!virt_addr) {
-                dev_err(sender->dev->dev, "Map DBI command buffer error\n");
-                return -ENOMEM;
-        }
-        sender->dbi_cb_phy = phys;
-        sender->dbi_cb_addr = virt_addr;
-        return 0;
-}
-
-static void mdfld_dbi_cb_destroy(struct mdfld_dsi_pkg_sender *sender)
-{
-        if (sender && sender->dbi_cb_addr)
-                iounmap(sender->dbi_cb_addr);
-}
-
-static void pkg_sender_queue_pkg(struct mdfld_dsi_pkg_sender *sender,
-                                        struct mdfld_dsi_pkg *pkg,
-                                        int delay)
-{
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-
-        if (!delay) {
-                send_pkg(sender, pkg);
-                pkg_sender_put_pkg_locked(sender, pkg);
-        } else {
-                /* Queue it */
-                list_add_tail(&pkg->entry, &sender->pkg_list);
-        }
-        spin_unlock_irqrestore(&sender->lock, flags);
-}
-
-static void process_pkg_list(struct mdfld_dsi_pkg_sender *sender)
-{
-        struct mdfld_dsi_pkg *pkg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-
-        while (!list_empty(&sender->pkg_list)) {
-                pkg = list_first_entry(&sender->pkg_list,
-                                        struct mdfld_dsi_pkg, entry);
-                send_pkg(sender, pkg);
-                list_del_init(&pkg->entry);
-                pkg_sender_put_pkg_locked(sender, pkg);
-        }
-
-        spin_unlock_irqrestore(&sender->lock, flags);
-}
-
-static int mdfld_dsi_send_mcs_long(struct mdfld_dsi_pkg_sender *sender,
-        u32 *data, u32 len, u8 transmission, int delay)
-{
-        struct mdfld_dsi_pkg *pkg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-        pkg = pkg_sender_get_pkg_locked(sender);
-        spin_unlock_irqrestore(&sender->lock, flags);
-
-        if (!pkg) {
-                dev_err(sender->dev->dev, "No memory\n");
-                return -ENOMEM;
-        }
-        pkg->pkg_type = MDFLD_DSI_PKG_MCS_LONG_WRITE;
-        pkg->transmission_type = transmission;
-        pkg->pkg.long_pkg.data = data;
-        pkg->pkg.long_pkg.len = len;
-        INIT_LIST_HEAD(&pkg->entry);
-
-        pkg_sender_queue_pkg(sender, pkg, delay);
-        return 0;
-}
-
-static int mdfld_dsi_send_mcs_short(struct mdfld_dsi_pkg_sender *sender,
-                                        u8 cmd, u8 param, u8 param_num,
-                                        u8 transmission,
-                                        int delay)
-{
-        struct mdfld_dsi_pkg *pkg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-        pkg = pkg_sender_get_pkg_locked(sender);
-        spin_unlock_irqrestore(&sender->lock, flags);
-
-        if (!pkg) {
-                dev_err(sender->dev->dev, "No memory\n");
-                return -ENOMEM;
-        }
-
-        if (param_num) {
-                pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_1;
-                pkg->pkg.short_pkg.param = param;
-        } else {
-                pkg->pkg_type = MDFLD_DSI_PKG_MCS_SHORT_WRITE_0;
-                pkg->pkg.short_pkg.param = 0;
-        }
-        pkg->transmission_type = transmission;
-        pkg->pkg.short_pkg.cmd = cmd;
-        INIT_LIST_HEAD(&pkg->entry);
-
-        pkg_sender_queue_pkg(sender, pkg, delay);
-        return 0;
-}
-
-static int mdfld_dsi_send_gen_short(struct mdfld_dsi_pkg_sender *sender,
-                                        u8 param0, u8 param1, u8 param_num,
-                                        u8 transmission,
-                                        int delay)
-{
-        struct mdfld_dsi_pkg *pkg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-        pkg = pkg_sender_get_pkg_locked(sender);
-        spin_unlock_irqrestore(&sender->lock, flags);
-
-        if (!pkg) {
-                dev_err(sender->dev->dev, "No pkg memory\n");
-                return -ENOMEM;
-        }
-
-        switch (param_num) {
-        case 0:
-                pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_0;
-                pkg->pkg.short_pkg.cmd = 0;
-                pkg->pkg.short_pkg.param = 0;
-                break;
-        case 1:
-                pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_1;
-                pkg->pkg.short_pkg.cmd = param0;
-                pkg->pkg.short_pkg.param = 0;
-                break;
-        case 2:
-                pkg->pkg_type = MDFLD_DSI_PKG_GEN_SHORT_WRITE_2;
-                pkg->pkg.short_pkg.cmd = param0;
-                pkg->pkg.short_pkg.param = param1;
-                break;
-        }
-
-        pkg->transmission_type = transmission;
-        INIT_LIST_HEAD(&pkg->entry);
-
-        pkg_sender_queue_pkg(sender, pkg, delay);
-        return 0;
-}
-
-static int mdfld_dsi_send_gen_long(struct mdfld_dsi_pkg_sender *sender,
-                                u32 *data, u32 len, u8 transmission, int delay)
-{
-        struct mdfld_dsi_pkg *pkg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-        pkg = pkg_sender_get_pkg_locked(sender);
-        spin_unlock_irqrestore(&sender->lock, flags);
-
-        if (!pkg) {
-                dev_err(sender->dev->dev, "No pkg memory\n");
-                return -ENOMEM;
-        }
-
-        pkg->pkg_type = MDFLD_DSI_PKG_GEN_LONG_WRITE;
-        pkg->transmission_type = transmission;
-        pkg->pkg.long_pkg.data = data;
-        pkg->pkg.long_pkg.len = len;
-
-        INIT_LIST_HEAD(&pkg->entry);
-
-        pkg_sender_queue_pkg(sender, pkg, delay);
-
-        return 0;
-}
-
-static int __read_panel_data(struct mdfld_dsi_pkg_sender *sender,
-                                struct mdfld_dsi_pkg *pkg,
-                                u32 *data,
-                                u16 len)
-{
-        unsigned long flags;
-        struct drm_device *dev = sender->dev;
-        int i;
-        u32 gen_data_reg;
-        int retry = MDFLD_DSI_READ_MAX_COUNT;
-        u8 transmission = pkg->transmission_type;
-
-        /*
-         * do reading.
-         * 0) send out generic read request
-         * 1) polling read data avail interrupt
-         * 2) read data
-         */
-        spin_lock_irqsave(&sender->lock, flags);
-
-        REG_WRITE(sender->mipi_intr_stat_reg, 1 << 29);
-
-        if ((REG_READ(sender->mipi_intr_stat_reg) & (1 << 29)))
-                DRM_ERROR("Can NOT clean read data valid interrupt\n");
-
-        /*send out read request*/
-        send_pkg(sender, pkg);
-
-        pkg_sender_put_pkg_locked(sender, pkg);
-
-        /*polling read data avail interrupt*/
-        while (retry && !(REG_READ(sender->mipi_intr_stat_reg) & (1 << 29))) {
-                udelay(100);
-                retry--;
-        }
-
-        if (!retry) {
-                spin_unlock_irqrestore(&sender->lock, flags);
-                return -ETIMEDOUT;
-        }
-
-        REG_WRITE(sender->mipi_intr_stat_reg, (1 << 29));
-
-        /*read data*/
-        if (transmission == MDFLD_DSI_HS_TRANSMISSION)
-                gen_data_reg = sender->mipi_hs_gen_data_reg;
-        else if (transmission == MDFLD_DSI_LP_TRANSMISSION)
-                gen_data_reg = sender->mipi_lp_gen_data_reg;
-        else {
-                DRM_ERROR("Unknown transmission");
-                spin_unlock_irqrestore(&sender->lock, flags);
-                return -EINVAL;
-        }
-
-        for (i=0; i<len; i++)
-                *(data + i) = REG_READ(gen_data_reg);
-
-        spin_unlock_irqrestore(&sender->lock, flags);
- 
-        return 0;
-}
-
-static int mdfld_dsi_read_gen(struct mdfld_dsi_pkg_sender *sender,
-                                u8 param0,
-                                u8 param1,
-                                u8 param_num,
-                                u32 *data,
-                                u16 len,
-                                u8 transmission)
-{
-        struct mdfld_dsi_pkg *pkg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-
-        pkg = pkg_sender_get_pkg_locked(sender);
-
-        spin_unlock_irqrestore(&sender->lock,flags);
-
-        if (!pkg) {
-                dev_err(sender->dev->dev, "No pkg memory\n");
-                return -ENOMEM;
-        }
-
-        switch (param_num) {
-        case 0:
-                pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_0;
-                pkg->pkg.short_pkg.cmd = 0;
-                pkg->pkg.short_pkg.param = 0;
-                break;
-        case 1:
-                pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_1;
-                pkg->pkg.short_pkg.cmd = param0;
-                pkg->pkg.short_pkg.param = 0;
-                break;
-        case 2:
-                pkg->pkg_type = MDFLD_DSI_PKG_GEN_READ_2;
-                pkg->pkg.short_pkg.cmd = param0;
-                pkg->pkg.short_pkg.param = param1;
-                break;
-        }
-
-        pkg->transmission_type = transmission;
-
-        INIT_LIST_HEAD(&pkg->entry);
-
-        return __read_panel_data(sender, pkg, data, len);
-}
- 
-static int mdfld_dsi_read_mcs(struct mdfld_dsi_pkg_sender *sender,
-                                u8 cmd,
-                                u32 *data,
-                                u16 len,
-                                u8 transmission)
-{
-        struct mdfld_dsi_pkg *pkg;
-        unsigned long flags;
-
-        spin_lock_irqsave(&sender->lock, flags);
-
-        pkg = pkg_sender_get_pkg_locked(sender);
-
-        spin_unlock_irqrestore(&sender->lock, flags);
- 
-        if (!pkg) {
-                dev_err(sender->dev->dev, "No pkg memory\n");
-                return -ENOMEM;
-        }
-
-        pkg->pkg_type = MDFLD_DSI_PKG_MCS_READ;
-        pkg->pkg.short_pkg.cmd = cmd;
-        pkg->pkg.short_pkg.param = 0;
-
-        pkg->transmission_type = transmission;
- 
-        INIT_LIST_HEAD(&pkg->entry);
-
-        return __read_panel_data(sender, pkg, data, len);
-}
-
-void dsi_controller_dbi_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        struct drm_device * dev = dsi_config->dev;
-        u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        int lane_count = dsi_config->lane_count;
-        u32 val = 0;
-
-        /*un-ready device*/
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-        /*init dsi adapter before kicking off*/
-        REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-        /*TODO: figure out how to setup these registers*/
-        REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-        REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), 0x000a0014);
-        REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-        REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000001);
-        REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-        /*enable all interrupts*/
-        REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-        /*max value: 20 clock cycles of txclkesc*/
-        REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-        /*min 21 txclkesc, max: ffffh*/
-        REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-        /*min: 7d0 max: 4e20*/
-        REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-        /*set up max return packet size*/
-        REG_WRITE((MIPIA_MAX_RETURN_PACK_SIZE_REG + reg_offset),
-                        MDFLD_DSI_MAX_RETURN_PACKET_SIZE);
-
-        /*set up func_prg*/
-        val |= lane_count;
-        val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-        val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-        REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-        REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-        REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-        REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-        REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-        REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-void dsi_controller_dpi_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        struct drm_device * dev = dsi_config->dev;
-        u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        int lane_count = dsi_config->lane_count;
-        struct mdfld_dsi_dpi_timing dpi_timing;
-        struct drm_display_mode * mode = dsi_config->mode;
-        u32 val = 0;
-
-        /*un-ready device*/
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-        /*init dsi adapter before kicking off*/
-        REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-        /*enable all interrupts*/
-        REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-
-        /*set up func_prg*/
-        val |= lane_count;
-        val |= dsi_config->channel_num << DSI_DPI_VIRT_CHANNEL_OFFSET;
-
-        switch(dsi_config->bpp) {
-        case 16:
-                val |= DSI_DPI_COLOR_FORMAT_RGB565;
-                break;
-        case 18:
-                val |= DSI_DPI_COLOR_FORMAT_RGB666;
-                break;
-        case 24:
-                val |= DSI_DPI_COLOR_FORMAT_RGB888;
-                break;
-        default:
-                DRM_ERROR("unsupported color format, bpp = %d\n", dsi_config->bpp);
-        }
-
-        REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-        REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset),
-                        (mode->vtotal * mode->htotal * dsi_config->bpp / (8 * lane_count)) & DSI_HS_TX_TIMEOUT_MASK);
-        REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff & DSI_LP_RX_TIMEOUT_MASK);
-
-        /*max value: 20 clock cycles of txclkesc*/
-        REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x14 & DSI_TURN_AROUND_TIMEOUT_MASK);
-
-        /*min 21 txclkesc, max: ffffh*/
-        REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0xffff & DSI_RESET_TIMER_MASK);
-
-        REG_WRITE((MIPIA_DPI_RESOLUTION_REG + reg_offset), mode->vdisplay << 16 | mode->hdisplay);
-
-        /*set DPI timing registers*/
-        mdfld_dsi_dpi_timing_calculation(mode, &dpi_timing, dsi_config->lane_count, dsi_config->bpp);
-
-        REG_WRITE((MIPIA_HSYNC_COUNT_REG + reg_offset), dpi_timing.hsync_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_HBP_COUNT_REG + reg_offset), dpi_timing.hbp_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_HFP_COUNT_REG + reg_offset), dpi_timing.hfp_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_HACTIVE_COUNT_REG + reg_offset), dpi_timing.hactive_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_VSYNC_COUNT_REG + reg_offset), dpi_timing.vsync_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_VBP_COUNT_REG + reg_offset), dpi_timing.vbp_count & DSI_DPI_TIMING_MASK);
-        REG_WRITE((MIPIA_VFP_COUNT_REG + reg_offset), dpi_timing.vfp_count & DSI_DPI_TIMING_MASK);
-
-        REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-
-        /*min: 7d0 max: 4e20*/
-        REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x000007d0);
-
-        /*set up video mode*/
-        val = dsi_config->video_mode | DSI_DPI_COMPLETE_LAST_LINE;
-        REG_WRITE((MIPIA_VIDEO_MODE_FORMAT_REG + reg_offset), val);
-
-        REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000000);
-
-        REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-
-        /*TODO: figure out how to setup these registers*/
-        REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c3408);
-
-        REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset), (0xa << 16) | 0x14);
-
-        /*set device ready*/
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-static void dsi_controller_init(struct mdfld_dsi_config * dsi_config, int pipe)
-{
-        if (!dsi_config || ((pipe != 0) && (pipe != 2))) {
-                DRM_ERROR("Invalid parameters\n");
-                return;
-        }
-
-        if (dsi_config->type == MDFLD_DSI_ENCODER_DPI)
-                dsi_controller_dpi_init(dsi_config, pipe);
-        else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI)
-                dsi_controller_dbi_init(dsi_config, pipe);
-        else
-                DRM_ERROR("Bad DSI encoder type\n");
-}
-
-void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender)
-{
-        process_pkg_list(sender);
-}
-
-int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender,
-                        u8 dcs, u8 *param, u32 param_num, u8 data_src,
-                        int delay)
-{
-        struct mdfld_dsi_pkg *pkg;
-        u32 cb_phy = sender->dbi_cb_phy;
-        struct drm_device *dev = sender->dev;
-        u32 index = 0;
-        u8 *cb = (u8 *)sender->dbi_cb_addr;
-        unsigned long flags;
-        int retry;
-        u8 *dst = NULL;
-        u32 len;
-
-        if (!sender) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
-        if (!sender->dbi_pkg_support) {
-                dev_err(dev->dev, "No DBI pkg sending on this sender\n");
-                return -ENOTSUPP;
-        }
-
-        if (param_num > MDFLD_MAX_DCS_PARAM) {
-                dev_err(dev->dev, "Sender only supports up to %d DCS params\n",
-                                                        MDFLD_MAX_DCS_PARAM);
-                return -EINVAL;
-        }
-
-        /*
-         * If dcs is write_mem_start, send it directly using DSI adapter
-         * interface
-         */
-        if (dcs == DCS_WRITE_MEM_START) {
-                if (!spin_trylock(&sender->lock))
-                        return -EAGAIN;
-
-                /*
-                 * query whether DBI FIFO is empty,
-                 * if not wait it becoming empty
-                 */
-                retry = MDFLD_DSI_DBI_FIFO_TIMEOUT;
-                while (retry &&
-                    !(REG_READ(sender->mipi_gen_fifo_stat_reg) & (1 << 27))) {
-                        udelay(500);
-                        retry--;
-                }
-
-                /* If DBI FIFO timeout, drop this frame */
-                if (!retry) {
-                        spin_unlock(&sender->lock);
-                        return 0;
-                }
-
-                *(cb + (index++)) = write_mem_start;
-
-                REG_WRITE(sender->mipi_cmd_len_reg, 1);
-                REG_WRITE(sender->mipi_cmd_addr_reg,
-                                        cb_phy | (1 << 0) | (1 << 1));
-
-                retry = MDFLD_DSI_DBI_FIFO_TIMEOUT;
-                while (retry &&
-                        (REG_READ(sender->mipi_cmd_addr_reg) & (1 << 0))) {
-                        udelay(1);
-                        retry--;
-                }
-
-                spin_unlock(&sender->lock);
-                return 0;
-        }
-
-        /* Get a free pkg */
-        spin_lock_irqsave(&sender->lock, flags);
-        pkg = pkg_sender_get_pkg_locked(sender);
-        spin_unlock_irqrestore(&sender->lock, flags);
-
-        if (!pkg) {
-                dev_err(dev->dev, "No packages memory\n");
-                return -ENOMEM;
-        }
-
-        dst = pkg->pkg.dcs_pkg.param;
-        memcpy(dst, param, param_num);
-
-        pkg->pkg_type = MDFLD_DSI_PKG_DCS;
-        pkg->transmission_type = MDFLD_DSI_DCS;
-        pkg->pkg.dcs_pkg.cmd = dcs;
-        pkg->pkg.dcs_pkg.param_num = param_num;
-        pkg->pkg.dcs_pkg.data_src = data_src;
-
-        INIT_LIST_HEAD(&pkg->entry);
-
-        if (param_num == 0)
-                return mdfld_dsi_send_mcs_short_hs(sender, dcs, 0, 0, delay);
-        else if (param_num == 1)
-                return mdfld_dsi_send_mcs_short_hs(sender, dcs,
-                                                        param[0], 1, delay);
-        else if (param_num > 1) {
-                len = (param_num + 1) / 4;
-                if ((param_num + 1) % 4)
-                        len++;
-                return mdfld_dsi_send_mcs_long_hs(sender,
-                                (u32 *)&pkg->pkg.dcs_pkg, len, delay);
-        }
-        return 0;
-}
-
-int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
-                                u8 cmd, u8 param, u8 param_num, int delay)
-{
-        if (!sender) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num,
-                                        MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
-                                u8 cmd, u8 param, u8 param_num, int delay)
-{
-        if (!sender) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_mcs_short(sender, cmd, param, param_num,
-                                        MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
-                                u32 *data,
-                                u32 len,
-                                int delay)
-{
-        if (!sender || !data || !len) {
-                DRM_ERROR("Invalid parameters\n");
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_mcs_long(sender, data, len,
-                                        MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
-                                u32 *data,
-                                u32 len,
-                                int delay)
-{
-        if (!sender || !data || !len) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_mcs_long(sender, data, len,
-                                MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
-                                u8 param0, u8 param1, u8 param_num, int delay)
-{
-        if (!sender) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_gen_short(sender, param0, param1, param_num,
-                                        MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
-                                u8 param0, u8 param1, u8 param_num, int delay)
-{
-        if (!sender || param_num < 0 || param_num > 2) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_gen_short(sender, param0, param1, param_num,
-                                        MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
-                                u32 *data,
-                                u32 len,
-                                int delay)
-{
-        if (!sender || !data || !len) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_gen_long(sender, data, len,
-                                        MDFLD_DSI_HS_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
-                                u32 *data,
-                                u32 len,
-                                int delay)
-{
-        if (!sender || !data || !len) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-        return mdfld_dsi_send_gen_long(sender, data, len,
-                                        MDFLD_DSI_LP_TRANSMISSION, delay);
-}
-
-int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u8 param0,
-                        u8 param1,
-                        u8 param_num,
-                        u32 *data,
-                        u16 len)
-{
-        if (!sender || !data || param_num < 0 || param_num > 2
-                || !data || !len) {
-                DRM_ERROR("Invalid parameters\n");
-                return -EINVAL;
-        }
-
-        return mdfld_dsi_read_gen(sender, param0, param1, param_num,
-                                data, len, MDFLD_DSI_HS_TRANSMISSION);
-
-}
-
-int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u8 param0,
-                        u8 param1,
-                        u8 param_num,
-                        u32 *data,
-                        u16 len)
-{
-        if (!sender || !data || param_num < 0 || param_num > 2
-                || !data || !len) {
-                DRM_ERROR("Invalid parameters\n");
-                return -EINVAL;
-        }
-
-        return mdfld_dsi_read_gen(sender, param0, param1, param_num,
-                                data, len, MDFLD_DSI_LP_TRANSMISSION);
-}
-
-int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u8 cmd,
-                        u32 *data,
-                        u16 len)
-{
-        if (!sender || !data || !len) {
-                DRM_ERROR("Invalid parameters\n");
-                return -EINVAL;
-        }
-
-        return mdfld_dsi_read_mcs(sender, cmd, data, len,
-                                MDFLD_DSI_HS_TRANSMISSION);
-}
-
-int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u8 cmd,
-                        u32 *data,
-                        u16 len)
-{
-        if (!sender || !data || !len) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
-        return mdfld_dsi_read_mcs(sender, cmd, data, len,
-                                MDFLD_DSI_LP_TRANSMISSION);
-}
- 
-int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
-                                                                int pipe)
-{
-        int ret;
-        struct mdfld_dsi_pkg_sender *pkg_sender;
-        struct mdfld_dsi_config *dsi_config =
-                                        mdfld_dsi_get_config(dsi_connector);
-        struct drm_device *dev = dsi_config->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_gtt *pg = &dev_priv->gtt;
-        int i;
-        struct mdfld_dsi_pkg *pkg, *tmp;
-        u32 mipi_val = 0;
-
-        if (!dsi_connector) {
-                WARN_ON(1);
-                return -EINVAL;
-        }
-
-        pkg_sender = dsi_connector->pkg_sender;
-
-        if (!pkg_sender || IS_ERR(pkg_sender)) {
-                pkg_sender = kzalloc(sizeof(struct mdfld_dsi_pkg_sender),
-                                                                GFP_KERNEL);
-                if (!pkg_sender) {
-                        dev_err(dev->dev, "Create DSI pkg sender failed\n");
-                        return -ENOMEM;
-                }
-
-                dsi_connector->pkg_sender = (void *)pkg_sender;
-        }
-
-        pkg_sender->dev = dev;
-        pkg_sender->dsi_connector = dsi_connector;
-        pkg_sender->pipe = pipe;
-        pkg_sender->pkg_num = 0;
-        pkg_sender->panel_mode = 0;
-        pkg_sender->status = MDFLD_DSI_PKG_SENDER_FREE;
-
-        /* Init dbi command buffer*/
-
-        if (dsi_config->type == MDFLD_DSI_ENCODER_DBI) {
-                pkg_sender->dbi_pkg_support = 1;
-                ret = mdfld_dbi_cb_init(pkg_sender, pg, pipe);
-                if (ret) {
-                        dev_err(dev->dev, "DBI command buffer map failed\n");
-                        goto mapping_err;
-                }
-        }
-
-        /* Init regs */
-        if (pipe == 0) {
-                pkg_sender->dpll_reg = MRST_DPLL_A;
-                pkg_sender->dspcntr_reg = DSPACNTR;
-                pkg_sender->pipeconf_reg = PIPEACONF;
-                pkg_sender->dsplinoff_reg = DSPALINOFF;
-                pkg_sender->dspsurf_reg = DSPASURF;
-                pkg_sender->pipestat_reg = PIPEASTAT;
-
-                pkg_sender->mipi_intr_stat_reg = MIPIA_INTR_STAT_REG;
-                pkg_sender->mipi_lp_gen_data_reg = MIPIA_LP_GEN_DATA_REG;
-                pkg_sender->mipi_hs_gen_data_reg = MIPIA_HS_GEN_DATA_REG;
-                pkg_sender->mipi_lp_gen_ctrl_reg = MIPIA_LP_GEN_CTRL_REG;
-                pkg_sender->mipi_hs_gen_ctrl_reg = MIPIA_HS_GEN_CTRL_REG;
-                pkg_sender->mipi_gen_fifo_stat_reg = MIPIA_GEN_FIFO_STAT_REG;
-                pkg_sender->mipi_data_addr_reg = MIPIA_DATA_ADD_REG;
-                pkg_sender->mipi_data_len_reg = MIPIA_DATA_LEN_REG;
-                pkg_sender->mipi_cmd_addr_reg = MIPIA_CMD_ADD_REG;
-                pkg_sender->mipi_cmd_len_reg = MIPIA_CMD_LEN_REG;
-        } else if (pipe == 2) {
-                pkg_sender->dpll_reg = MRST_DPLL_A;
-                pkg_sender->dspcntr_reg = DSPCCNTR;
-                pkg_sender->pipeconf_reg = PIPECCONF;
-                pkg_sender->dsplinoff_reg = DSPCLINOFF;
-                pkg_sender->dspsurf_reg = DSPCSURF;
-                pkg_sender->pipestat_reg = PIPECSTAT;
-
-                pkg_sender->mipi_intr_stat_reg =
-                                MIPIA_INTR_STAT_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_lp_gen_data_reg =
-                                MIPIA_LP_GEN_DATA_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_hs_gen_data_reg =
-                                MIPIA_HS_GEN_DATA_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_lp_gen_ctrl_reg =
-                                MIPIA_LP_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_hs_gen_ctrl_reg =
-                                MIPIA_HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_gen_fifo_stat_reg =
-                                MIPIA_GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_data_addr_reg =
-                                MIPIA_DATA_ADD_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_data_len_reg =
-                                MIPIA_DATA_LEN_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_cmd_addr_reg =
-                                MIPIA_CMD_ADD_REG + MIPIC_REG_OFFSET;
-                pkg_sender->mipi_cmd_len_reg =
-                                MIPIA_CMD_LEN_REG + MIPIC_REG_OFFSET;
-        }
-
-        /* Init pkg list */
-        INIT_LIST_HEAD(&pkg_sender->pkg_list);
-        INIT_LIST_HEAD(&pkg_sender->free_list);
-
-        spin_lock_init(&pkg_sender->lock);
-
-        /* Allocate free pkg pool */
-        for (i = 0; i < MDFLD_MAX_PKG_NUM; i++) {
-                pkg = kzalloc(sizeof(struct mdfld_dsi_pkg), GFP_KERNEL);
-                if (!pkg) {
-                        dev_err(dev->dev, "Out of memory allocating pkg pool");
-                        ret = -ENOMEM;
-                        goto pkg_alloc_err;
-                }
-                INIT_LIST_HEAD(&pkg->entry);
-                list_add_tail(&pkg->entry, &pkg_sender->free_list);
-        }
-
-        /*
-         * For video mode, don't enable DPI timing output here,
-         * will init the DPI timing output during mode setting.
-         */
-        if (dsi_config->type == MDFLD_DSI_ENCODER_DPI)
-                mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX;
-        else if (dsi_config->type == MDFLD_DSI_ENCODER_DBI)
-                mipi_val = PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX
-                        | TE_TRIGGER_GPIO_PIN;
-        else
-                DRM_ERROR("Bad DSI encoder type\n");
-
-        if (pipe == 0) {
-                mipi_val |= 0x2;
-                REG_WRITE(MIPI, mipi_val);
-                REG_READ(MIPI);
-        } else if (pipe == 2) {
-                REG_WRITE(MIPI_C, mipi_val);
-                REG_READ(MIPI_C);
-        }
-
-        /*do dsi controller init*/
-        dsi_controller_init(dsi_config, pipe);
-        
-        return 0;
-
-pkg_alloc_err:
-        list_for_each_entry_safe(pkg, tmp, &pkg_sender->free_list, entry) {
-                list_del(&pkg->entry);
-                kfree(pkg);
-        }
-
-        /* Free mapped command buffer */
-        mdfld_dbi_cb_destroy(pkg_sender);
-mapping_err:
-        kfree(pkg_sender);
-        dsi_connector->pkg_sender = NULL;
-        return ret;
-}
-
-void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender)
-{
-        struct mdfld_dsi_pkg *pkg, *tmp;
-
-        if (!sender || IS_ERR(sender))
-                return;
-
-        /* Free pkg pool */
-        list_for_each_entry_safe(pkg, tmp, &sender->free_list, entry) {
-                list_del(&pkg->entry);
-                kfree(pkg);
-        }
-        /* Free pkg list */
-        list_for_each_entry_safe(pkg, tmp, &sender->pkg_list, entry) {
-                list_del(&pkg->entry);
-                kfree(pkg);
-        }
-        mdfld_dbi_cb_destroy(sender);   /* free mapped command buffer */
-        kfree(sender);
-}
diff --git a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h b/drivers/staging/gma500/mdfld_dsi_pkg_sender.h
deleted file mode 100644
index f24abc700684..000000000000
--- a/drivers/staging/gma500/mdfld_dsi_pkg_sender.h
+++ /dev/null
@@ -1,184 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jackie Li<yaodong.li@intel.com>
- */
-#ifndef __MDFLD_DSI_PKG_SENDER_H__
-#define __MDFLD_DSI_PKG_SENDER_H__
-
-#include <linux/kthread.h>
-
-#define MDFLD_MAX_DCS_PARAM     8
-#define MDFLD_MAX_PKG_NUM       2048
-
-enum {
-        MDFLD_DSI_PKG_DCS,
-        MDFLD_DSI_PKG_GEN_SHORT_WRITE_0 = 0x03,
-        MDFLD_DSI_PKG_GEN_SHORT_WRITE_1 = 0x13,
-        MDFLD_DSI_PKG_GEN_SHORT_WRITE_2 = 0x23,
-        MDFLD_DSI_PKG_GEN_READ_0 = 0x04,
-        MDFLD_DSI_PKG_GEN_READ_1 = 0x14,
-        MDFLD_DSI_PKG_GEN_READ_2 = 0x24,
-        MDFLD_DSI_PKG_GEN_LONG_WRITE = 0x29,
-        MDFLD_DSI_PKG_MCS_SHORT_WRITE_0 = 0x05,
-        MDFLD_DSI_PKG_MCS_SHORT_WRITE_1 = 0x15,
-        MDFLD_DSI_PKG_MCS_READ = 0x06,
-        MDFLD_DSI_PKG_MCS_LONG_WRITE = 0x39,
-};
-
-enum {
-        MDFLD_DSI_LP_TRANSMISSION,
-        MDFLD_DSI_HS_TRANSMISSION,
-        MDFLD_DSI_DCS,
-};
-
-enum {
-        MDFLD_DSI_PANEL_MODE_SLEEP = 0x1,
-};
-
-enum {
-        MDFLD_DSI_PKG_SENDER_FREE = 0x0,
-        MDFLD_DSI_PKG_SENDER_BUSY = 0x1,
-};
-
-enum {
-        MDFLD_DSI_SEND_PACKAGE,
-        MDFLD_DSI_QUEUE_PACKAGE,
-};
-
-struct mdfld_dsi_gen_short_pkg {
-        u8 cmd;
-        u8 param;
-};
-
-struct mdfld_dsi_gen_long_pkg {
-        u32 *data;
-        u32 len;
-};
-
-struct mdfld_dsi_dcs_pkg {
-        u8 cmd;
-        u8 param[MDFLD_MAX_DCS_PARAM];
-        u32 param_num;
-        u8 data_src;
-};
-
-struct mdfld_dsi_pkg {
-        u8 pkg_type;
-        u8 transmission_type;
-
-        union {
-                struct mdfld_dsi_gen_short_pkg short_pkg;
-                struct mdfld_dsi_gen_long_pkg long_pkg;
-                struct mdfld_dsi_dcs_pkg dcs_pkg;
-        } pkg;
-
-        struct list_head entry;
-};
-
-struct mdfld_dsi_pkg_sender {
-        struct drm_device *dev;
-        struct mdfld_dsi_connector *dsi_connector;
-        u32 status;
-
-        u32 panel_mode;
-
-        int pipe;
-
-        spinlock_t lock;
-        struct list_head pkg_list;
-        struct list_head free_list;
-
-        u32 pkg_num;
-
-        int dbi_pkg_support;
-
-        u32 dbi_cb_phy;
-        void *dbi_cb_addr;
-
-        /* Registers */
-        u32 dpll_reg;
-        u32 dspcntr_reg;
-        u32 pipeconf_reg;
-        u32 pipestat_reg;
-        u32 dsplinoff_reg;
-        u32 dspsurf_reg;
-
-        u32 mipi_intr_stat_reg;
-        u32 mipi_lp_gen_data_reg;
-        u32 mipi_hs_gen_data_reg;
-        u32 mipi_lp_gen_ctrl_reg;
-        u32 mipi_hs_gen_ctrl_reg;
-        u32 mipi_gen_fifo_stat_reg;
-        u32 mipi_data_addr_reg;
-        u32 mipi_data_len_reg;
-        u32 mipi_cmd_addr_reg;
-        u32 mipi_cmd_len_reg;
-};
-
-/* DCS definitions */
-#define DCS_SOFT_RESET                  0x01
-#define DCS_ENTER_SLEEP_MODE            0x10
-#define DCS_EXIT_SLEEP_MODE             0x11
-#define DCS_SET_DISPLAY_OFF             0x28
-#define DCS_SET_DISPLAY_ON              0x29
-#define DCS_SET_COLUMN_ADDRESS          0x2a
-#define DCS_SET_PAGE_ADDRESS            0x2b
-#define DCS_WRITE_MEM_START             0x2c
-#define DCS_SET_TEAR_OFF                0x34
-#define DCS_SET_TEAR_ON                 0x35
-
-extern int mdfld_dsi_pkg_sender_init(struct mdfld_dsi_connector *dsi_connector,
-                        int pipe);
-extern void mdfld_dsi_pkg_sender_destroy(struct mdfld_dsi_pkg_sender *sender);
-extern int mdfld_dsi_send_dcs(struct mdfld_dsi_pkg_sender *sender, u8 dcs,
-                        u8 *param, u32 param_num, u8 data_src, int delay);
-extern int mdfld_dsi_send_mcs_short_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u8 cmd, u8 param, u8 param_num, int delay);
-extern int mdfld_dsi_send_mcs_short_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u8 cmd, u8 param, u8 param_num, int delay);
-extern int mdfld_dsi_send_mcs_long_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_mcs_long_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_gen_short_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u8 param0, u8 param1, u8 param_num, int delay);
-extern int mdfld_dsi_send_gen_short_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u8 param0, u8 param1, u8 param_num, int delay);
-extern int mdfld_dsi_send_gen_long_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u32 *data, u32 len, int delay);
-extern int mdfld_dsi_send_gen_long_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u32 *data, u32 len, int delay);
-
-extern int mdfld_dsi_read_gen_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
-extern int mdfld_dsi_read_gen_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u8 param0, u8 param1, u8 param_num, u32 *data, u16 len);
-extern int mdfld_dsi_read_mcs_hs(struct mdfld_dsi_pkg_sender *sender,
-                        u8 cmd, u32 *data, u16 len);
-extern int mdfld_dsi_read_mcs_lp(struct mdfld_dsi_pkg_sender *sender,
-                        u8 cmd, u32 *data, u16 len);
-
-extern void mdfld_dsi_cmds_kick_out(struct mdfld_dsi_pkg_sender *sender);
-
-#endif /* __MDFLD_DSI_PKG_SENDER_H__ */
diff --git a/drivers/staging/gma500/mdfld_intel_display.c b/drivers/staging/gma500/mdfld_intel_display.c
deleted file mode 100644
index 0b37b7b6b02a..000000000000
--- a/drivers/staging/gma500/mdfld_intel_display.c
+++ /dev/null
@@ -1,1404 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- */
-
-#include "framebuffer.h"
-#include "psb_intel_display.h"
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_dbi_dpu.h"
-
-#include <linux/pm_runtime.h>
-
-#ifdef MIN
-#undef MIN
-#endif
-
-#define MIN(x, y) (((x) < (y)) ? (x) : (y))
-
-/* Hardcoded currently */
-static int ksel = KSEL_CRYSTAL_19;
-
-extern void mdfld_save_display(struct drm_device *dev);
-extern bool gbgfxsuspended;
-
-struct psb_intel_range_t {
-        int min, max;
-};
-
-struct mdfld_limit_t {
-        struct psb_intel_range_t dot, m, p1;
-};
-
-struct mdfld_intel_clock_t {
-        /* given values */
-        int n;
-        int m1, m2;
-        int p1, p2;
-        /* derived values */
-        int dot;
-        int vco;
-        int m;
-        int p;
-};
-
-
-
-#define COUNT_MAX 0x10000000
-
-void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe)
-{
-        int count, temp;
-        u32 pipeconf_reg = PIPEACONF;
-        
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                pipeconf_reg = PIPEBCONF;
-                break;
-        case 2:
-                pipeconf_reg = PIPECCONF;
-                break;
-        default:
-                DRM_ERROR("Illegal Pipe Number. \n");
-                return;
-        }
-
-        /* FIXME JLIU7_PO */
-        psb_intel_wait_for_vblank(dev);
-        return;
-
-        /* Wait for for the pipe disable to take effect. */
-        for (count = 0; count < COUNT_MAX; count++) {
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_PIPE_STATE) == 0)
-                        break;
-        }
-}
-
-void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe)
-{
-        int count, temp;
-        u32 pipeconf_reg = PIPEACONF;
-        
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                pipeconf_reg = PIPEBCONF;
-                break;
-        case 2:
-                pipeconf_reg = PIPECCONF;
-                break;
-        default:
-                dev_err(dev->dev, "Illegal Pipe Number.\n");
-                return;
-        }
-
-        /* FIXME JLIU7_PO */
-        psb_intel_wait_for_vblank(dev);
-        return;
-
-        /* Wait for for the pipe enable to take effect. */
-        for (count = 0; count < COUNT_MAX; count++) {
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_PIPE_STATE) == 1)
-                        break;
-        }
-}
-
-
-static int mdfld_intel_crtc_cursor_set(struct drm_crtc *crtc,
-                                 struct drm_file *file_priv,
-                                 uint32_t handle,
-                                 uint32_t width, uint32_t height)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        uint32_t control = CURACNTR;
-        uint32_t base = CURABASE;
-        uint32_t temp;
-        size_t addr = 0;
-        struct gtt_range *gt;
-        struct drm_gem_object *obj;
-        int ret;
-
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                control = CURBCNTR;
-                base = CURBBASE;
-                break;
-        case 2:
-                control = CURCCNTR;
-                base = CURCBASE;
-                break;
-        default:
-                dev_err(dev->dev, "Illegal Pipe Number. \n");
-                return -EINVAL;
-        }
-        
-#if 1 /* FIXME_JLIU7 can't enalbe cursorB/C HW issue. need to remove after HW fix */
-        if (pipe != 0)
-                return 0;
-#endif 
-        /* if we want to turn of the cursor ignore width and height */
-        if (!handle) {
-                dev_dbg(dev->dev, "cursor off\n");
-                /* turn off the cursor */
-                temp = 0;
-                temp |= CURSOR_MODE_DISABLE;
-
-                if (gma_power_begin(dev, true)) {
-                        REG_WRITE(control, temp);
-                        REG_WRITE(base, 0);
-                        gma_power_end(dev);
-                }
-                /* Unpin the old GEM object */
-                if (psb_intel_crtc->cursor_obj) {
-                        gt = container_of(psb_intel_crtc->cursor_obj,
-                                                        struct gtt_range, gem);
-                        psb_gtt_unpin(gt);
-                        drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                        psb_intel_crtc->cursor_obj = NULL;
-                }
-                return 0;
-        }
-
-        /* Currently we only support 64x64 cursors */
-        if (width != 64 || height != 64) {
-                DRM_ERROR("we currently only support 64x64 cursors\n");
-                return -EINVAL;
-        }
-
-        obj = drm_gem_object_lookup(dev, file_priv, handle);
-        if (!obj)
-                return -ENOENT;
-
-        if (obj->size < width * height * 4) {
-                dev_dbg(dev->dev, "buffer is to small\n");
-                return -ENOMEM;
-        }
-
-        gt = container_of(obj, struct gtt_range, gem);
-
-        /* Pin the memory into the GTT */
-        ret = psb_gtt_pin(gt);
-        if (ret) {
-                dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-                return ret;
-        }
-
-
-        addr = gt->offset;      /* Or resource.start ??? */
-
-        psb_intel_crtc->cursor_addr = addr;
-
-        temp = 0;
-        /* set the pipe for the cursor */
-        temp |= (pipe << 28);
-        temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-        if (gma_power_begin(dev, true)) {
-                REG_WRITE(control, temp);
-                REG_WRITE(base, addr);
-                gma_power_end(dev);
-        }
-        /* unpin the old GEM object */
-        if (psb_intel_crtc->cursor_obj) {
-                gt = container_of(psb_intel_crtc->cursor_obj,
-                                                        struct gtt_range, gem);
-                psb_gtt_unpin(gt);
-                drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                psb_intel_crtc->cursor_obj = obj;
-        }
-        return 0;
-}
-
-static int mdfld_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-        struct drm_device *dev = crtc->dev;
-        struct drm_psb_private * dev_priv = (struct drm_psb_private *)dev->dev_private;
-        struct mdfld_dbi_dpu_info *dpu_info = dev_priv->dbi_dpu_info;
-        struct psb_drm_dpu_rect rect;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        uint32_t pos = CURAPOS;
-        uint32_t base = CURABASE;
-        uint32_t temp = 0;
-        uint32_t addr;
-
-        switch (pipe) {
-        case 0:
-                if (dpu_info) {
-                        rect.x = x;
-                        rect.y = y;
-                
-                        mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORA, &rect);
-                        mdfld_dpu_exit_dsr(dev);
-                } else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_0))
-                        mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_0);
-                break;
-        case 1:
-                pos = CURBPOS;
-                base = CURBBASE;
-                break;
-        case 2:
-                if (dpu_info) {
-                        mdfld_dbi_dpu_report_damage(dev, MDFLD_CURSORC, &rect);
-                        mdfld_dpu_exit_dsr(dev);
-                } else if (!(dev_priv->dsr_fb_update & MDFLD_DSR_CURSOR_2))
-                        mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_CURSOR_2);
-                pos = CURCPOS;
-                base = CURCBASE;
-                break;
-        default:
-                DRM_ERROR("Illegal Pipe Number. \n");
-                return -EINVAL;
-        }
-                
-#if 1 /* FIXME_JLIU7 can't enable cursorB/C HW issue. need to remove after HW fix */
-        if (pipe != 0)
-                return 0;
-#endif 
-        if (x < 0) {
-                temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-                x = -x;
-        }
-        if (y < 0) {
-                temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-                y = -y;
-        }
-
-        temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-        temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-        addr = psb_intel_crtc->cursor_addr;
-
-        if (gma_power_begin(dev, true)) {
-                REG_WRITE(pos, temp);
-                REG_WRITE(base, addr);
-                gma_power_end(dev);
-        }
-
-        return 0;
-}
-
-const struct drm_crtc_funcs mdfld_intel_crtc_funcs = {
-        .cursor_set = mdfld_intel_crtc_cursor_set,
-        .cursor_move = mdfld_intel_crtc_cursor_move,
-        .gamma_set = psb_intel_crtc_gamma_set,
-        .set_config = drm_crtc_helper_set_config,
-        .destroy = psb_intel_crtc_destroy,
-};
-
-static struct drm_device globle_dev;
-
-void mdfld__intel_plane_set_alpha(int enable)
-{
-        struct drm_device *dev = &globle_dev;
-        int dspcntr_reg = DSPACNTR;
-        u32 dspcntr;
-
-        dspcntr = REG_READ(dspcntr_reg);
-
-        if (enable) {
-                dspcntr &= ~DISPPLANE_32BPP_NO_ALPHA;
-                dspcntr |= DISPPLANE_32BPP;
-        } else {
-                dspcntr &= ~DISPPLANE_32BPP;
-                dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-        }
-
-        REG_WRITE(dspcntr_reg, dspcntr);
-}
-
-int mdfld__intel_pipe_set_base(struct drm_crtc *crtc, int x, int y, struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        /* struct drm_i915_master_private *master_priv; */
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-        int pipe = psb_intel_crtc->pipe;
-        unsigned long start, offset;
-        int dsplinoff = DSPALINOFF;
-        int dspsurf = DSPASURF;
-        int dspstride = DSPASTRIDE;
-        int dspcntr_reg = DSPACNTR;
-        u32 dspcntr;
-        int ret = 0;
-
-        memcpy(&globle_dev, dev, sizeof(struct drm_device));
-
-        if (!gma_power_begin(dev, true))
-                return 0;
-
-        /* no fb bound */
-        if (!crtc->fb) {
-                dev_err(dev->dev, "No FB bound\n");
-                goto psb_intel_pipe_cleaner;
-        }
-
-        switch (pipe) {
-        case 0:
-                dsplinoff = DSPALINOFF;
-                break;
-        case 1:
-                dsplinoff = DSPBLINOFF;
-                dspsurf = DSPBSURF;
-                dspstride = DSPBSTRIDE;
-                dspcntr_reg = DSPBCNTR;
-                break;
-        case 2:
-                dsplinoff = DSPCLINOFF;
-                dspsurf = DSPCSURF;
-                dspstride = DSPCSTRIDE;
-                dspcntr_reg = DSPCCNTR;
-                break;
-        default:
-                dev_err(dev->dev, "Illegal Pipe Number.\n");
-                return -EINVAL;
-        }
-
-        ret = psb_gtt_pin(psbfb->gtt);
-        if (ret < 0)
-                goto psb_intel_pipe_set_base_exit;
-
-        start = psbfb->gtt->offset;
-        offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-        REG_WRITE(dspstride, crtc->fb->pitches[0]);
-        dspcntr = REG_READ(dspcntr_reg);
-        dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-        switch (crtc->fb->bits_per_pixel) {
-        case 8:
-                dspcntr |= DISPPLANE_8BPP;
-                break;
-        case 16:
-                if (crtc->fb->depth == 15)
-                        dspcntr |= DISPPLANE_15_16BPP;
-                else
-                        dspcntr |= DISPPLANE_16BPP;
-                break;
-        case 24:
-        case 32:
-                dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-                break;
-        default:
-                dev_err(dev->dev, "Unknown color depth\n");
-                ret = -EINVAL;
-                goto psb_intel_pipe_set_base_exit;
-        }
-        REG_WRITE(dspcntr_reg, dspcntr);
-
-        dev_dbg(dev->dev, "Writing base %08lX %08lX %d %d\n",
-                                                start, offset, x, y);
-
-        REG_WRITE(dsplinoff, offset);
-        REG_READ(dsplinoff);
-        REG_WRITE(dspsurf, start);
-        REG_READ(dspsurf);
-
-psb_intel_pipe_cleaner:
-        /* If there was a previous display we can now unpin it */
-        if (old_fb)
-                psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-        gma_power_end(dev);
-        return ret;
-}
-
-/**
- * Disable the pipe, plane and pll.
- *
- */
-void mdfld_disable_crtc (struct drm_device *dev, int pipe)
-{
-        int dpll_reg = MRST_DPLL_A;
-        int dspcntr_reg = DSPACNTR;
-        int dspbase_reg = MRST_DSPABASE;
-        int pipeconf_reg = PIPEACONF;
-        u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-        u32 temp;
-
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                dpll_reg = MDFLD_DPLL_B;
-                dspcntr_reg = DSPBCNTR;
-                dspbase_reg = DSPBSURF;
-                pipeconf_reg = PIPEBCONF;
-                break;
-        case 2:
-                dpll_reg = MRST_DPLL_A;
-                dspcntr_reg = DSPCCNTR;
-                dspbase_reg = MDFLD_DSPCBASE;
-                pipeconf_reg = PIPECCONF;
-                gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-                break;
-        default:
-                dev_err(dev->dev, "Illegal Pipe Number. \n");
-                return;
-        }
-
-        if (pipe != 1)
-                mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-        /* Disable display plane */
-        temp = REG_READ(dspcntr_reg);
-        if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-                REG_WRITE(dspcntr_reg,
-                          temp & ~DISPLAY_PLANE_ENABLE);
-                /* Flush the plane changes */
-                REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                REG_READ(dspbase_reg);
-        }
-
-        /* FIXME_JLIU7 MDFLD_PO revisit */
-        /* Wait for vblank for the disable to take effect */
-/* MDFLD_PO_JLIU7               psb_intel_wait_for_vblank(dev); */
-
-        /* Next, disable display pipes */
-        temp = REG_READ(pipeconf_reg);
-        if ((temp & PIPEACONF_ENABLE) != 0) {
-                temp &= ~PIPEACONF_ENABLE;
-                temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
-                REG_WRITE(pipeconf_reg, temp);
-                REG_READ(pipeconf_reg);
-
-                /* Wait for for the pipe disable to take effect. */
-                mdfldWaitForPipeDisable(dev, pipe);
-        }
-
-        temp = REG_READ(dpll_reg);
-        if (temp & DPLL_VCO_ENABLE) {
-                if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
-                                || (pipe == 1)){
-                        temp &= ~(DPLL_VCO_ENABLE);
-                        REG_WRITE(dpll_reg, temp);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to turn off. */
-                        /* FIXME_MDFLD PO may need more delay */
-                        udelay(500);
-
-                        if (!(temp & MDFLD_PWR_GATE_EN)) {
-                                /* gating power of DPLL */
-                                REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN);
-                                /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                                udelay(5000);
-                        }
-                }
-        }
-
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void mdfld_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-        struct drm_device *dev = crtc->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        int dpll_reg = MRST_DPLL_A;
-        int dspcntr_reg = DSPACNTR;
-        int dspbase_reg = MRST_DSPABASE;
-        int pipeconf_reg = PIPEACONF;
-        u32 pipestat_reg = PIPEASTAT;
-        u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-        u32 pipeconf = dev_priv->pipeconf;
-        u32 dspcntr = dev_priv->dspcntr;
-        u32 mipi_enable_reg = MIPIA_DEVICE_READY_REG;
-        u32 temp;
-        bool enabled;
-        int timeout = 0;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-         /* Ignore if system is already in DSR and in suspended state. */
-        if(/*gbgfxsuspended */0 && dev_priv->dispstatus == false && mode == 3){
-            if(dev_priv->rpm_enabled && pipe == 1){
-        //          dev_priv->is_mipi_on = false;
-                  pm_request_idle(&dev->pdev->dev);
-            }
-            return;
-        }else if(mode == 0) {
-                //do not need to set gbdispstatus=true in crtc.
-                //this will be set in encoder such as mdfld_dsi_dbi_dpms
-            //gbdispstatus = true;
-        }
-
-/* FIXME_JLIU7 MDFLD_PO replaced w/ the following function */
-/* mdfld_dbi_dpms (struct drm_device *dev, int pipe, bool enabled) */
-
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                dpll_reg = DPLL_B;
-                dspcntr_reg = DSPBCNTR;
-                dspbase_reg = MRST_DSPBBASE;
-                pipeconf_reg = PIPEBCONF;
-                pipeconf = dev_priv->pipeconf1;
-                dspcntr = dev_priv->dspcntr1;
-                dpll_reg = MDFLD_DPLL_B;
-                break;
-        case 2:
-                dpll_reg = MRST_DPLL_A;
-                dspcntr_reg = DSPCCNTR;
-                dspbase_reg = MDFLD_DSPCBASE;
-                pipeconf_reg = PIPECCONF;
-                pipestat_reg = PIPECSTAT;
-                pipeconf = dev_priv->pipeconf2;
-                dspcntr = dev_priv->dspcntr2;
-                gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET;
-                mipi_enable_reg = MIPIA_DEVICE_READY_REG + MIPIC_REG_OFFSET;
-                break;
-        default:
-                dev_err(dev->dev, "Illegal Pipe Number.\n");
-                return;
-        }
-
-        /* XXX: When our outputs are all unaware of DPMS modes other than off
-         * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-         */
-        switch (mode) {
-        case DRM_MODE_DPMS_ON:
-        case DRM_MODE_DPMS_STANDBY:
-        case DRM_MODE_DPMS_SUSPEND:
-                /* Enable the DPLL */
-                temp = REG_READ(dpll_reg);
-
-                if ((temp & DPLL_VCO_ENABLE) == 0) {
-                        /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-                        if (temp & MDFLD_PWR_GATE_EN) {
-                                temp &= ~MDFLD_PWR_GATE_EN;
-                                REG_WRITE(dpll_reg, temp);
-                                /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                                udelay(500);
-                        }
-
-                        REG_WRITE(dpll_reg, temp);
-                        REG_READ(dpll_reg);
-                        /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                        udelay(500);
-                        
-                        REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-
-                        /**
-                         * wait for DSI PLL to lock
-                         * NOTE: only need to poll status of pipe 0 and pipe 1,
-                         * since both MIPI pipes share the same PLL.
-                         */
-                        while ((pipe != 2) && (timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-                                udelay(150);
-                                timeout ++;
-                        }
-                }
-
-                /* Enable the plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-                        REG_WRITE(dspcntr_reg,
-                                temp | DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                }
-
-                /* Enable the pipe */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) == 0) {
-                        REG_WRITE(pipeconf_reg, pipeconf);
-
-                        /* Wait for for the pipe enable to take effect. */
-                        mdfldWaitForPipeEnable(dev, pipe);
-                }
-
-                /*workaround for sighting 3741701 Random X blank display*/
-                /*perform w/a in video mode only on pipe A or C*/
-                if ((pipe == 0 || pipe == 2) &&
-                        (mdfld_panel_dpi(dev) == true)) {
-                        REG_WRITE(pipestat_reg, REG_READ(pipestat_reg));
-                        msleep(100);
-                        if(PIPE_VBLANK_STATUS & REG_READ(pipestat_reg)) {
-                                printk(KERN_ALERT "OK");
-                        } else {
-                                printk(KERN_ALERT "STUCK!!!!");
-                                /*shutdown controller*/
-                                temp = REG_READ(dspcntr_reg);
-                                REG_WRITE(dspcntr_reg, temp & ~DISPLAY_PLANE_ENABLE);
-                                REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                                /*mdfld_dsi_dpi_shut_down(dev, pipe);*/
-                                REG_WRITE(0xb048, 1);
-                                msleep(100);
-                                temp = REG_READ(pipeconf_reg);
-                                temp &= ~PIPEACONF_ENABLE;
-                                REG_WRITE(pipeconf_reg, temp);
-                                msleep(100); /*wait for pipe disable*/
-                        /*printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008));
-                        printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));*/
-                                REG_WRITE(mipi_enable_reg, 0);
-                                msleep(100);
-                        printk(KERN_ALERT "70008 is %x\n", REG_READ(0x70008));
-                        printk(KERN_ALERT "b074 is %x\n", REG_READ(0xb074));
-                                REG_WRITE(0xb004, REG_READ(0xb004));
-                                /* try to bring the controller back up again*/
-                                REG_WRITE(mipi_enable_reg, 1);
-                                temp = REG_READ(dspcntr_reg);
-                                REG_WRITE(dspcntr_reg, temp | DISPLAY_PLANE_ENABLE);
-                                REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                                /*mdfld_dsi_dpi_turn_on(dev, pipe);*/
-                                REG_WRITE(0xb048, 2);
-                                msleep(100);
-                                temp = REG_READ(pipeconf_reg);
-                                temp |= PIPEACONF_ENABLE;
-                                REG_WRITE(pipeconf_reg, temp);
-                        }
-                }
-
-                psb_intel_crtc_load_lut(crtc);
-
-                /* Give the overlay scaler a chance to enable
-                   if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, true); TODO */
-
-                break;
-        case DRM_MODE_DPMS_OFF:
-                /* Give the overlay scaler a chance to disable
-                 * if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-                if (pipe != 1)
-                        mdfld_dsi_gen_fifo_ready (dev, gen_fifo_stat_reg, HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-                /* Disable the VGA plane that we never use */
-                REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-                /* Disable display plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-                        REG_WRITE(dspcntr_reg,
-                                  temp & ~DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                        REG_READ(dspbase_reg);
-                }
-
-                /* FIXME_JLIU7 MDFLD_PO revisit */
-                /* Wait for vblank for the disable to take effect */
-// MDFLD_PO_JLIU7               psb_intel_wait_for_vblank(dev);
-
-                /* Next, disable display pipes */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) != 0) {
-                        temp &= ~PIPEACONF_ENABLE;
-                        temp |= PIPECONF_PLANE_OFF | PIPECONF_CURSOR_OFF;
-                        REG_WRITE(pipeconf_reg, temp);
-//                      REG_WRITE(pipeconf_reg, 0);
-                        REG_READ(pipeconf_reg);
-
-                        /* Wait for for the pipe disable to take effect. */
-                        mdfldWaitForPipeDisable(dev, pipe);
-                }
-
-                temp = REG_READ(dpll_reg);
-                if (temp & DPLL_VCO_ENABLE) {
-                        if (((pipe != 1) && !((REG_READ(PIPEACONF) | REG_READ(PIPECCONF)) & PIPEACONF_ENABLE))
-                                        || (pipe == 1)){
-                                temp &= ~(DPLL_VCO_ENABLE);
-                                REG_WRITE(dpll_reg, temp);
-                                REG_READ(dpll_reg);
-                                /* Wait for the clocks to turn off. */
-                                /* FIXME_MDFLD PO may need more delay */
-                                udelay(500);
-#if 0 /* MDFLD_PO_JLIU7 */      
-                if (!(temp & MDFLD_PWR_GATE_EN)) {
-                        /* gating power of DPLL */
-                        REG_WRITE(dpll_reg, temp | MDFLD_PWR_GATE_EN);
-                        /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                        udelay(5000);
-                }
-#endif  /* MDFLD_PO_JLIU7 */    
-                        }
-                }
-                break;
-        }
-
-        enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-#if 0                           /* JB: Add vblank support later */
-        if (enabled)
-                dev_priv->vblank_pipe |= (1 << pipe);
-        else
-                dev_priv->vblank_pipe &= ~(1 << pipe);
-#endif
-
-        gma_power_end(dev);
-}
-
-
-#define MDFLD_LIMT_DPLL_19          0
-#define MDFLD_LIMT_DPLL_25          1
-#define MDFLD_LIMT_DPLL_83          2
-#define MDFLD_LIMT_DPLL_100         3
-#define MDFLD_LIMT_DSIPLL_19        4
-#define MDFLD_LIMT_DSIPLL_25        5
-#define MDFLD_LIMT_DSIPLL_83        6
-#define MDFLD_LIMT_DSIPLL_100       7
-
-#define MDFLD_DOT_MIN             19750  /* FIXME_MDFLD JLIU7 need to find out  min & max for MDFLD */
-#define MDFLD_DOT_MAX             120000
-#define MDFLD_DPLL_M_MIN_19         113
-#define MDFLD_DPLL_M_MAX_19         155
-#define MDFLD_DPLL_P1_MIN_19        2
-#define MDFLD_DPLL_P1_MAX_19        10
-#define MDFLD_DPLL_M_MIN_25         101
-#define MDFLD_DPLL_M_MAX_25         130
-#define MDFLD_DPLL_P1_MIN_25        2
-#define MDFLD_DPLL_P1_MAX_25        10
-#define MDFLD_DPLL_M_MIN_83         64
-#define MDFLD_DPLL_M_MAX_83         64
-#define MDFLD_DPLL_P1_MIN_83        2
-#define MDFLD_DPLL_P1_MAX_83        2
-#define MDFLD_DPLL_M_MIN_100        64
-#define MDFLD_DPLL_M_MAX_100        64
-#define MDFLD_DPLL_P1_MIN_100       2
-#define MDFLD_DPLL_P1_MAX_100       2
-#define MDFLD_DSIPLL_M_MIN_19       131
-#define MDFLD_DSIPLL_M_MAX_19       175
-#define MDFLD_DSIPLL_P1_MIN_19      3
-#define MDFLD_DSIPLL_P1_MAX_19      8
-#define MDFLD_DSIPLL_M_MIN_25       97
-#define MDFLD_DSIPLL_M_MAX_25       140
-#define MDFLD_DSIPLL_P1_MIN_25      3
-#define MDFLD_DSIPLL_P1_MAX_25      9
-#define MDFLD_DSIPLL_M_MIN_83       33
-#define MDFLD_DSIPLL_M_MAX_83       92
-#define MDFLD_DSIPLL_P1_MIN_83      2
-#define MDFLD_DSIPLL_P1_MAX_83      3
-#define MDFLD_DSIPLL_M_MIN_100      97
-#define MDFLD_DSIPLL_M_MAX_100      140
-#define MDFLD_DSIPLL_P1_MIN_100     3
-#define MDFLD_DSIPLL_P1_MAX_100     9
-
-static const struct mdfld_limit_t mdfld_limits[] = {
-        {                       /* MDFLD_LIMT_DPLL_19 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DPLL_M_MIN_19, .max = MDFLD_DPLL_M_MAX_19},
-         .p1 = {.min = MDFLD_DPLL_P1_MIN_19, .max = MDFLD_DPLL_P1_MAX_19},
-         },
-        {                       /* MDFLD_LIMT_DPLL_25 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DPLL_M_MIN_25, .max = MDFLD_DPLL_M_MAX_25},
-         .p1 = {.min = MDFLD_DPLL_P1_MIN_25, .max = MDFLD_DPLL_P1_MAX_25},
-         },
-        {                       /* MDFLD_LIMT_DPLL_83 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DPLL_M_MIN_83, .max = MDFLD_DPLL_M_MAX_83},
-         .p1 = {.min = MDFLD_DPLL_P1_MIN_83, .max = MDFLD_DPLL_P1_MAX_83},
-         },
-        {                       /* MDFLD_LIMT_DPLL_100 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DPLL_M_MIN_100, .max = MDFLD_DPLL_M_MAX_100},
-         .p1 = {.min = MDFLD_DPLL_P1_MIN_100, .max = MDFLD_DPLL_P1_MAX_100},
-         },
-        {                       /* MDFLD_LIMT_DSIPLL_19 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DSIPLL_M_MIN_19, .max = MDFLD_DSIPLL_M_MAX_19},
-         .p1 = {.min = MDFLD_DSIPLL_P1_MIN_19, .max = MDFLD_DSIPLL_P1_MAX_19},
-         },
-        {                       /* MDFLD_LIMT_DSIPLL_25 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DSIPLL_M_MIN_25, .max = MDFLD_DSIPLL_M_MAX_25},
-         .p1 = {.min = MDFLD_DSIPLL_P1_MIN_25, .max = MDFLD_DSIPLL_P1_MAX_25},
-         },
-        {                       /* MDFLD_LIMT_DSIPLL_83 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DSIPLL_M_MIN_83, .max = MDFLD_DSIPLL_M_MAX_83},
-         .p1 = {.min = MDFLD_DSIPLL_P1_MIN_83, .max = MDFLD_DSIPLL_P1_MAX_83},
-         },
-        {                       /* MDFLD_LIMT_DSIPLL_100 */
-         .dot = {.min = MDFLD_DOT_MIN, .max = MDFLD_DOT_MAX},
-         .m = {.min = MDFLD_DSIPLL_M_MIN_100, .max = MDFLD_DSIPLL_M_MAX_100},
-         .p1 = {.min = MDFLD_DSIPLL_P1_MIN_100, .max = MDFLD_DSIPLL_P1_MAX_100},
-         },
-};
-
-#define MDFLD_M_MIN         21
-#define MDFLD_M_MAX         180
-static const u32 mdfld_m_converts[] = {
-/* M configuration table from 9-bit LFSR table */
-        224, 368, 440, 220, 366, 439, 219, 365, 182, 347, /* 21 - 30 */
-        173, 342, 171, 85, 298, 149, 74, 37, 18, 265,   /* 31 - 40 */
-        388, 194, 353, 432, 216, 108, 310, 155, 333, 166, /* 41 - 50 */
-        83, 41, 276, 138, 325, 162, 337, 168, 340, 170, /* 51 - 60 */
-        341, 426, 469, 234, 373, 442, 221, 110, 311, 411, /* 61 - 70 */
-        461, 486, 243, 377, 188, 350, 175, 343, 427, 213, /* 71 - 80 */
-        106, 53, 282, 397, 354, 227, 113, 56, 284, 142, /* 81 - 90 */
-        71, 35, 273, 136, 324, 418, 465, 488, 500, 506, /* 91 - 100 */
-        253, 126, 63, 287, 399, 455, 483, 241, 376, 444, /* 101 - 110 */
-        478, 495, 503, 251, 381, 446, 479, 239, 375, 443, /* 111 - 120 */
-        477, 238, 119, 315, 157, 78, 295, 147, 329, 420, /* 121 - 130 */
-        210, 105, 308, 154, 77, 38, 275, 137, 68, 290, /* 131 - 140 */
-        145, 328, 164, 82, 297, 404, 458, 485, 498, 249, /* 141 - 150 */
-        380, 190, 351, 431, 471, 235, 117, 314, 413, 206, /* 151 - 160 */
-        103, 51, 25, 12, 262, 387, 193, 96, 48, 280, /* 161 - 170 */
-        396, 198, 99, 305, 152, 76, 294, 403, 457, 228, /* 171 - 180 */
-};
-
-static const struct mdfld_limit_t *mdfld_limit(struct drm_crtc *crtc)
-{
-        const struct mdfld_limit_t *limit = NULL;
-        struct drm_device *dev = crtc->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)
-            || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI2)) {
-                if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-                        limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_19];
-                else if (ksel == KSEL_BYPASS_25) 
-                        limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_25];
-                else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166))
-                        limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_83];
-                else if ((ksel == KSEL_BYPASS_83_100) &&
-                         (dev_priv->core_freq == 100 || dev_priv->core_freq == 200))
-                        limit = &mdfld_limits[MDFLD_LIMT_DSIPLL_100];
-        } else if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI)) {
-                if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-                        limit = &mdfld_limits[MDFLD_LIMT_DPLL_19];
-                else if (ksel == KSEL_BYPASS_25) 
-                        limit = &mdfld_limits[MDFLD_LIMT_DPLL_25];
-                else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166))
-                        limit = &mdfld_limits[MDFLD_LIMT_DPLL_83];
-                else if ((ksel == KSEL_BYPASS_83_100) &&
-                         (dev_priv->core_freq == 100 || dev_priv->core_freq == 200))
-                        limit = &mdfld_limits[MDFLD_LIMT_DPLL_100];
-        } else {
-                limit = NULL;
-                dev_err(dev->dev, "mdfld_limit Wrong display type.\n");
-        }
-
-        return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-static void mdfld_clock(int refclk, struct mdfld_intel_clock_t *clock)
-{
-        clock->dot = (refclk * clock->m) / clock->p1;
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given refclk,
- * or FALSE.  Divisor values are the actual divisors for
- */
-static bool
-mdfldFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
-                struct mdfld_intel_clock_t *best_clock)
-{
-        struct mdfld_intel_clock_t clock;
-        const struct mdfld_limit_t *limit = mdfld_limit(crtc);
-        int err = target;
-
-        memset(best_clock, 0, sizeof(*best_clock));
-
-        for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
-                for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
-                     clock.p1++) {
-                        int this_err;
-
-                        mdfld_clock(refclk, &clock);
-
-                        this_err = abs(clock.dot - target);
-                        if (this_err < err) {
-                                *best_clock = clock;
-                                err = this_err;
-                        }
-                }
-        }
-        return err != target;
-}
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int mdfld_panel_fitter_pipe(struct drm_device *dev)
-{
-        u32 pfit_control;
-
-        pfit_control = REG_READ(PFIT_CONTROL);
-
-        /* See if the panel fitter is in use */
-        if ((pfit_control & PFIT_ENABLE) == 0)
-                return -1;
-        return (pfit_control >> 29) & 3;
-}
-
-static int mdfld_crtc_mode_set(struct drm_crtc *crtc,
-                              struct drm_display_mode *mode,
-                              struct drm_display_mode *adjusted_mode,
-                              int x, int y,
-                              struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int pipe = psb_intel_crtc->pipe;
-        int fp_reg = MRST_FPA0;
-        int dpll_reg = MRST_DPLL_A;
-        int dspcntr_reg = DSPACNTR;
-        int pipeconf_reg = PIPEACONF;
-        int htot_reg = HTOTAL_A;
-        int hblank_reg = HBLANK_A;
-        int hsync_reg = HSYNC_A;
-        int vtot_reg = VTOTAL_A;
-        int vblank_reg = VBLANK_A;
-        int vsync_reg = VSYNC_A;
-        int dspsize_reg = DSPASIZE; 
-        int dsppos_reg = DSPAPOS; 
-        int pipesrc_reg = PIPEASRC;
-        u32 *pipeconf = &dev_priv->pipeconf;
-        u32 *dspcntr = &dev_priv->dspcntr;
-        int refclk = 0;
-        int clk_n = 0, clk_p2 = 0, clk_byte = 1, clk = 0, m_conv = 0, clk_tmp = 0;
-        struct mdfld_intel_clock_t clock;
-        bool ok;
-        u32 dpll = 0, fp = 0;
-        bool is_crt = false, is_lvds = false, is_tv = false;
-        bool is_mipi = false, is_mipi2 = false, is_hdmi = false;
-        struct drm_mode_config *mode_config = &dev->mode_config;
-        struct psb_intel_output *psb_intel_output = NULL;
-        uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
-        struct drm_encoder *encoder;
-        struct drm_connector *connector;
-        int timeout = 0;
-
-        dev_dbg(dev->dev, "pipe = 0x%x \n", pipe);
-
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                fp_reg = FPB0;
-                dpll_reg = DPLL_B;
-                dspcntr_reg = DSPBCNTR;
-                pipeconf_reg = PIPEBCONF;
-                htot_reg = HTOTAL_B;
-                hblank_reg = HBLANK_B;
-                hsync_reg = HSYNC_B;
-                vtot_reg = VTOTAL_B;
-                vblank_reg = VBLANK_B;
-                vsync_reg = VSYNC_B;
-                dspsize_reg = DSPBSIZE; 
-                dsppos_reg = DSPBPOS; 
-                pipesrc_reg = PIPEBSRC;
-                pipeconf = &dev_priv->pipeconf1;
-                dspcntr = &dev_priv->dspcntr1;
-                fp_reg = MDFLD_DPLL_DIV0;
-                dpll_reg = MDFLD_DPLL_B;
-                break;
-        case 2:
-                dpll_reg = MRST_DPLL_A;
-                dspcntr_reg = DSPCCNTR;
-                pipeconf_reg = PIPECCONF;
-                htot_reg = HTOTAL_C;
-                hblank_reg = HBLANK_C;
-                hsync_reg = HSYNC_C;
-                vtot_reg = VTOTAL_C;
-                vblank_reg = VBLANK_C;
-                vsync_reg = VSYNC_C;
-                dspsize_reg = DSPCSIZE; 
-                dsppos_reg = DSPCPOS; 
-                pipesrc_reg = PIPECSRC;
-                pipeconf = &dev_priv->pipeconf2;
-                dspcntr = &dev_priv->dspcntr2;
-                break;
-        default:
-                DRM_ERROR("Illegal Pipe Number. \n");
-                return 0;
-        }
-
-        dev_dbg(dev->dev, "adjusted_hdisplay = %d\n",
-                 adjusted_mode->hdisplay);
-        dev_dbg(dev->dev, "adjusted_vdisplay = %d\n",
-                 adjusted_mode->vdisplay);
-        dev_dbg(dev->dev, "adjusted_hsync_start = %d\n",
-                 adjusted_mode->hsync_start);
-        dev_dbg(dev->dev, "adjusted_hsync_end = %d\n",
-                 adjusted_mode->hsync_end);
-        dev_dbg(dev->dev, "adjusted_htotal = %d\n",
-                 adjusted_mode->htotal);
-        dev_dbg(dev->dev, "adjusted_vsync_start = %d\n",
-                 adjusted_mode->vsync_start);
-        dev_dbg(dev->dev, "adjusted_vsync_end = %d\n",
-                 adjusted_mode->vsync_end);
-        dev_dbg(dev->dev, "adjusted_vtotal = %d\n",
-                 adjusted_mode->vtotal);
-        dev_dbg(dev->dev, "adjusted_clock = %d\n",
-                 adjusted_mode->clock);
-        dev_dbg(dev->dev, "hdisplay = %d\n",
-                 mode->hdisplay);
-        dev_dbg(dev->dev, "vdisplay = %d\n",
-                 mode->vdisplay);
-
-        if (!gma_power_begin(dev, true))
-                return 0;
-
-        memcpy(&psb_intel_crtc->saved_mode, mode, sizeof(struct drm_display_mode));
-        memcpy(&psb_intel_crtc->saved_adjusted_mode, adjusted_mode, sizeof(struct drm_display_mode));
-
-        list_for_each_entry(connector, &mode_config->connector_list, head) {
-                        
-                encoder = connector->encoder;
-                
-                if(!encoder)
-                        continue;
-
-                if (encoder->crtc != crtc)
-                        continue;
-
-                psb_intel_output = to_psb_intel_output(connector);
-                
-                dev_dbg(dev->dev, "output->type = 0x%x \n", psb_intel_output->type);
-
-                switch (psb_intel_output->type) {
-                case INTEL_OUTPUT_LVDS:
-                        is_lvds = true;
-                        break;
-                case INTEL_OUTPUT_TVOUT:
-                        is_tv = true;
-                        break;
-                case INTEL_OUTPUT_ANALOG:
-                        is_crt = true;
-                        break;
-                case INTEL_OUTPUT_MIPI:
-                        is_mipi = true;
-                        break;
-                case INTEL_OUTPUT_MIPI2:
-                        is_mipi2 = true;
-                        break;
-                case INTEL_OUTPUT_HDMI:
-                        is_hdmi = true;
-                        break;
-                }
-        }
-
-        /* Disable the VGA plane that we never use */
-        REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-        /* Disable the panel fitter if it was on our pipe */
-        if (mdfld_panel_fitter_pipe(dev) == pipe)
-                REG_WRITE(PFIT_CONTROL, 0);
-
-        /* pipesrc and dspsize control the size that is scaled from,
-         * which should always be the user's requested size.
-         */
-        if (pipe == 1) {
-                /* FIXME: To make HDMI display with 864x480 (TPO), 480x864 (PYR) or 480x854 (TMD), set the sprite
-                 * width/height and souce image size registers with the adjusted mode for pipe B. */
-
-                /* The defined sprite rectangle must always be completely contained within the displayable
-                 * area of the screen image (frame buffer). */
-                REG_WRITE(dspsize_reg, ((MIN(mode->crtc_vdisplay, adjusted_mode->crtc_vdisplay) - 1) << 16)
-                                | (MIN(mode->crtc_hdisplay, adjusted_mode->crtc_hdisplay) - 1));
-                /* Set the CRTC with encoder mode. */
-                REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16)
-                                 | (mode->crtc_vdisplay - 1));
-        } else {
-                REG_WRITE(dspsize_reg, ((mode->crtc_vdisplay - 1) << 16) | (mode->crtc_hdisplay - 1));
-                REG_WRITE(pipesrc_reg, ((mode->crtc_hdisplay - 1) << 16) | (mode->crtc_vdisplay - 1));
-        }
-
-        REG_WRITE(dsppos_reg, 0);
-
-        if (psb_intel_output)
-                drm_connector_property_get_value(&psb_intel_output->base,
-                        dev->mode_config.scaling_mode_property, &scalingType);
-
-        if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
-                /*
-                 *      Medfield doesn't have register support for centering so
-                 *      we need to mess with the h/vblank and h/vsync start and
-                 *      ends to get central
-                 */
-                int offsetX = 0, offsetY = 0;
-
-                offsetX = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
-                offsetY = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
-
-                REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) |
-                        ((adjusted_mode->crtc_htotal - 1) << 16));
-                REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) |
-                        ((adjusted_mode->crtc_vtotal - 1) << 16));
-                REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - offsetX - 1) |
-                        ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
-                REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - offsetX - 1) |
-                        ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
-                REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - offsetY - 1) |
-                        ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
-                REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - offsetY - 1) |
-                        ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
-        } else {
-                REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-                        ((adjusted_mode->crtc_htotal - 1) << 16));
-                REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-                        ((adjusted_mode->crtc_vtotal - 1) << 16));
-                REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-                        ((adjusted_mode->crtc_hblank_end - 1) << 16));
-                REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-                        ((adjusted_mode->crtc_hsync_end - 1) << 16));
-                REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-                        ((adjusted_mode->crtc_vblank_end - 1) << 16));
-                REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-                        ((adjusted_mode->crtc_vsync_end - 1) << 16));
-        }
-
-        /* Flush the plane changes */
-        {
-                struct drm_crtc_helper_funcs *crtc_funcs =
-                    crtc->helper_private;
-                crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-        }
-
-        /* setup pipeconf */
-        *pipeconf = PIPEACONF_ENABLE; /* FIXME_JLIU7 REG_READ(pipeconf_reg); */
-
-        /* Set up the display plane register */
-        *dspcntr = REG_READ(dspcntr_reg);
-        *dspcntr |= pipe << DISPPLANE_SEL_PIPE_POS;
-        *dspcntr |= DISPLAY_PLANE_ENABLE;
-/* MDFLD_PO_JLIU7       dspcntr |= DISPPLANE_BOTTOM; */
-/* MDFLD_PO_JLIU7       dspcntr |= DISPPLANE_GAMMA_ENABLE; */
-
-        if (is_mipi2)
-        {
-                goto mrst_crtc_mode_set_exit;
-        }
-/* FIXME JLIU7 Add MDFLD HDMI supports */
-/* FIXME_MDFLD JLIU7 DSIPLL clock *= 8? */
-/* FIXME_MDFLD JLIU7 need to revist for dual MIPI supports */
-        clk = adjusted_mode->clock;
-
-        if (is_hdmi) {
-                if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19))
-                {
-                        refclk = 19200;
-
-                        if (is_mipi || is_mipi2)
-                        {
-                                clk_n = 1, clk_p2 = 8;
-                        } else if (is_hdmi) {
-                                clk_n = 1, clk_p2 = 10;
-                        }
-                } else if (ksel == KSEL_BYPASS_25) { 
-                        refclk = 25000;
-
-                        if (is_mipi || is_mipi2)
-                        {
-                                clk_n = 1, clk_p2 = 8;
-                        } else if (is_hdmi) {
-                                clk_n = 1, clk_p2 = 10;
-                        }
-                } else if ((ksel == KSEL_BYPASS_83_100) && (dev_priv->core_freq == 166)) {
-                        refclk = 83000;
-
-                        if (is_mipi || is_mipi2)
-                        {
-                                clk_n = 4, clk_p2 = 8;
-                        } else if (is_hdmi) {
-                                clk_n = 4, clk_p2 = 10;
-                        }
-                } else if ((ksel == KSEL_BYPASS_83_100) &&
-                           (dev_priv->core_freq == 100 || dev_priv->core_freq == 200)) {
-                        refclk = 100000;
-                        if (is_mipi || is_mipi2)
-                        {
-                                clk_n = 4, clk_p2 = 8;
-                        } else if (is_hdmi) {
-                                clk_n = 4, clk_p2 = 10;
-                        }
-                }
-
-                if (is_mipi)
-                        clk_byte = dev_priv->bpp / 8;
-                else if (is_mipi2)
-                        clk_byte = dev_priv->bpp2 / 8;
-        
-                clk_tmp = clk * clk_n * clk_p2 * clk_byte;
-
-                dev_dbg(dev->dev, "clk = %d, clk_n = %d, clk_p2 = %d. \n", clk, clk_n, clk_p2);
-                dev_dbg(dev->dev, "adjusted_mode->clock = %d, clk_tmp = %d. \n", adjusted_mode->clock, clk_tmp);
-
-                ok = mdfldFindBestPLL(crtc, clk_tmp, refclk, &clock);
-
-                if (!ok) {
-                        dev_err(dev->dev, 
-                           "mdfldFindBestPLL fail in mdfld_crtc_mode_set. \n");
-                } else {
-                        m_conv = mdfld_m_converts[(clock.m - MDFLD_M_MIN)];
-
-                        dev_dbg(dev->dev, "dot clock = %d,"
-                                 "m = %d, p1 = %d, m_conv = %d. \n", clock.dot, clock.m,
-                                 clock.p1, m_conv);
-                }
-
-                dpll = REG_READ(dpll_reg);
-
-                if (dpll & DPLL_VCO_ENABLE) {
-                        dpll &= ~DPLL_VCO_ENABLE;
-                        REG_WRITE(dpll_reg, dpll);
-                        REG_READ(dpll_reg);
-
-                        /* FIXME jliu7 check the DPLL lock bit PIPEACONF[29] */
-                        /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                        udelay(500);
-
-                        /* reset M1, N1 & P1 */
-                        REG_WRITE(fp_reg, 0);
-                        dpll &= ~MDFLD_P1_MASK;
-                        REG_WRITE(dpll_reg, dpll);
-                        /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                        udelay(500);
-                }
-
-                /* When ungating power of DPLL, needs to wait 0.5us before enable the VCO */
-                if (dpll & MDFLD_PWR_GATE_EN) {
-                        dpll &= ~MDFLD_PWR_GATE_EN;
-                        REG_WRITE(dpll_reg, dpll);
-                        /* FIXME_MDFLD PO - change 500 to 1 after PO */
-                        udelay(500);
-                }       
-
-                dpll = 0; 
-
-#if 0 /* FIXME revisit later */
-                if ((ksel == KSEL_CRYSTAL_19) || (ksel == KSEL_BYPASS_19) || (ksel == KSEL_BYPASS_25)) {
-                        dpll &= ~MDFLD_INPUT_REF_SEL;   
-                } else if (ksel == KSEL_BYPASS_83_100) { 
-                        dpll |= MDFLD_INPUT_REF_SEL;    
-                }
-#endif /* FIXME revisit later */
-
-                if (is_hdmi)
-                        dpll |= MDFLD_VCO_SEL;  
-
-                fp = (clk_n / 2) << 16;
-                fp |= m_conv; 
-
-                /* compute bitmask from p1 value */
-                dpll |= (1 << (clock.p1 - 2)) << 17;
-
-#if 0 /* 1080p30 & 720p */
-                dpll = 0x00050000;
-                fp = 0x000001be;
-#endif 
-#if 0 /* 480p */
-                dpll = 0x02010000;
-                fp = 0x000000d2;
-#endif 
-        } else {
-#if 0 /*DBI_TPO_480x864*/
-                dpll = 0x00020000;
-                fp = 0x00000156; 
-#endif /* DBI_TPO_480x864 */ /* get from spec. */
-
-                dpll = 0x00800000;
-                fp = 0x000000c1;
-}
-
-        REG_WRITE(fp_reg, fp);
-        REG_WRITE(dpll_reg, dpll);
-        /* FIXME_MDFLD PO - change 500 to 1 after PO */
-        udelay(500);
-
-        dpll |= DPLL_VCO_ENABLE;
-        REG_WRITE(dpll_reg, dpll);
-        REG_READ(dpll_reg);
-
-        /* wait for DSI PLL to lock */
-        while ((timeout < 20000) && !(REG_READ(pipeconf_reg) & PIPECONF_DSIPLL_LOCK)) {
-                udelay(150);
-                timeout ++;
-        }
-
-        if (is_mipi)
-                goto mrst_crtc_mode_set_exit;
-
-        dev_dbg(dev->dev, "is_mipi = 0x%x \n", is_mipi);
-
-        REG_WRITE(pipeconf_reg, *pipeconf);
-        REG_READ(pipeconf_reg);
-
-        /* Wait for for the pipe enable to take effect. */
-//FIXME_JLIU7 HDMI      mrstWaitForPipeEnable(dev);
-
-        REG_WRITE(dspcntr_reg, *dspcntr);
-        psb_intel_wait_for_vblank(dev);
-
-mrst_crtc_mode_set_exit:
-
-        gma_power_end(dev);
-
-        return 0;
-}
-
-static void mdfld_crtc_prepare(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void mdfld_crtc_commit(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-static bool mdfld_crtc_mode_fixup(struct drm_crtc *crtc,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        return true;
-}
-
-const struct drm_crtc_helper_funcs mdfld_helper_funcs = {
-        .dpms = mdfld_crtc_dpms,
-        .mode_fixup = mdfld_crtc_mode_fixup,
-        .mode_set = mdfld_crtc_mode_set,
-        .mode_set_base = mdfld__intel_pipe_set_base,
-        .prepare = mdfld_crtc_prepare,
-        .commit = mdfld_crtc_commit,
-};
diff --git a/drivers/staging/gma500/mdfld_msic.h b/drivers/staging/gma500/mdfld_msic.h
deleted file mode 100644
index a7ad65472491..000000000000
--- a/drivers/staging/gma500/mdfld_msic.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *      Jim Liu <jim.liu@intel.com>
- */
-
-#define MSIC_PCI_DEVICE_ID      0x831
-
-int msic_regsiter_driver(void);
-int msic_unregister_driver(void);
-extern void hpd_notify_um(void);
diff --git a/drivers/staging/gma500/mdfld_output.c b/drivers/staging/gma500/mdfld_output.c
deleted file mode 100644
index eabf53d58f92..000000000000
--- a/drivers/staging/gma500/mdfld_output.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include <linux/init.h>
-#include <linux/moduleparam.h>
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-
-#include "displays/tpo_cmd.h"
-#include "displays/tpo_vid.h"
-#include "displays/tmd_cmd.h"
-#include "displays/tmd_vid.h"
-#include "displays/pyr_cmd.h"
-#include "displays/pyr_vid.h"
-/* #include "displays/hdmi.h" */
-
-static int mdfld_dual_mipi;
-static int mdfld_hdmi;
-static int mdfld_dpu;
-
-module_param(mdfld_dual_mipi, int, 0600);
-MODULE_PARM_DESC(mdfld_dual_mipi, "Enable dual MIPI configuration");
-module_param(mdfld_hdmi, int, 0600);
-MODULE_PARM_DESC(mdfld_hdmi, "Enable Medfield HDMI");
-module_param(mdfld_dpu, int, 0600);
-MODULE_PARM_DESC(mdfld_dpu, "Enable Medfield DPU");
-
-/* For now a single type per device is all we cope with */
-int mdfld_get_panel_type(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        return dev_priv->panel_id;
-}
-
-int mdfld_panel_dpi(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        switch (dev_priv->panel_id) {
-        case TMD_VID:
-        case TPO_VID:
-        case PYR_VID:
-                return true;
-        case TMD_CMD:
-        case TPO_CMD:
-        case PYR_CMD:
-        default:
-                return false;
-        }
-}
-
-static int init_panel(struct drm_device *dev, int mipi_pipe, int p_type)
-{
-        struct panel_funcs *p_cmd_funcs;
-        struct panel_funcs *p_vid_funcs;
-
-        /* Oh boy ... FIXME */
-        p_cmd_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
-        if (p_cmd_funcs == NULL)
-                return -ENODEV;
-        p_vid_funcs = kzalloc(sizeof(struct panel_funcs), GFP_KERNEL);
-        if (p_vid_funcs == NULL) {
-                kfree(p_cmd_funcs);
-                return -ENODEV;
-        }
-
-        switch (p_type) {
-        case TPO_CMD:
-                tpo_cmd_init(dev, p_cmd_funcs);
-                mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-                break;
-        case TPO_VID:
-                tpo_vid_init(dev, p_vid_funcs);
-                mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-                break;
-        case TMD_CMD:
-                /*tmd_cmd_init(dev, p_cmd_funcs); */
-                mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-                break;
-        case TMD_VID:
-                tmd_vid_init(dev, p_vid_funcs);
-                mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-                break;
-        case PYR_CMD:
-                pyr_cmd_init(dev, p_cmd_funcs);
-                mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs, NULL);
-                break;
-        case PYR_VID:
-                mdfld_dsi_output_init(dev, mipi_pipe, NULL, NULL, p_vid_funcs);
-                break;
-        case TPO:       /* TPO panel supports both cmd & vid interfaces */
-                tpo_cmd_init(dev, p_cmd_funcs);
-                tpo_vid_init(dev, p_vid_funcs);
-                mdfld_dsi_output_init(dev, mipi_pipe, NULL, p_cmd_funcs,
-                                      p_vid_funcs);
-                break;
-        case TMD:
-                break;
-        case PYR:
-                break;
-#if 0
-        case HDMI:
-                dev_dbg(dev->dev, "Initializing HDMI");
-                mdfld_hdmi_init(dev, &dev_priv->mode_dev);
-                break;
-#endif
-        default:
-                dev_err(dev->dev, "Unsupported interface %d", p_type);
-                return -ENODEV;
-        }
-        return 0;
-}
-
-int mdfld_output_init(struct drm_device *dev)
-{
-        int type;
-
-        /* MIPI panel 1 */
-        type = mdfld_get_panel_type(dev, 0);
-        dev_info(dev->dev, "panel 1: type is %d\n", type);
-        init_panel(dev, 0, type);
-
-        if (mdfld_dual_mipi) {
-                /* MIPI panel 2 */
-                type = mdfld_get_panel_type(dev, 2);
-                dev_info(dev->dev, "panel 2: type is %d\n", type);
-                init_panel(dev, 2, type);
-        }
-        if (mdfld_hdmi)
-                /* HDMI panel */
-                init_panel(dev, 0, HDMI);
-        return 0;
-}
-
-void mdfld_output_setup(struct drm_device *dev)
-{
-        /* FIXME: this is not the right place for this stuff ! */
-        if (IS_MFLD(dev)) {
-                if (mdfld_dpu)
-                        mdfld_dbi_dpu_init(dev);
-                else
-                        mdfld_dbi_dsr_init(dev);
-        }
-}
diff --git a/drivers/staging/gma500/mdfld_output.h b/drivers/staging/gma500/mdfld_output.h
deleted file mode 100644
index daf33e7df9d5..000000000000
--- a/drivers/staging/gma500/mdfld_output.h
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#ifndef MDFLD_OUTPUT_H
-#define MDFLD_OUTPUT_H
-
-int mdfld_output_init(struct drm_device *dev);
-int mdfld_panel_dpi(struct drm_device *dev);
-int mdfld_get_panel_type(struct drm_device *dev, int pipe);
-void mdfld_disable_crtc (struct drm_device *dev, int pipe);
-
-extern const struct drm_crtc_helper_funcs mdfld_helper_funcs;
-extern const struct drm_crtc_funcs mdfld_intel_crtc_funcs;
-
-extern void mdfld_output_setup(struct drm_device *dev);
-
-#endif
diff --git a/drivers/staging/gma500/mdfld_pyr_cmd.c b/drivers/staging/gma500/mdfld_pyr_cmd.c
deleted file mode 100644
index 523f2d8fe4f1..000000000000
--- a/drivers/staging/gma500/mdfld_pyr_cmd.c
+++ /dev/null
@@ -1,558 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
-*/
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/pyr_cmd.h"
-
-static struct drm_display_mode *pyr_cmd_get_config_mode(struct drm_device *dev)
-{
-        struct drm_display_mode *mode;
-
-        mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-        if (!mode) {
-                dev_err(dev->dev, "Out of memory\n");
-                return NULL;
-        }
-
-        dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-        dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-        dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-        dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-        dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-        dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-        dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-        dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-        dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-
-        mode->hdisplay = 480;
-        mode->vdisplay = 864;
-        mode->hsync_start = 487;
-        mode->hsync_end = 490;
-        mode->htotal = 499;
-        mode->vsync_start = 874;
-        mode->vsync_end = 878;
-        mode->vtotal = 886;
-        mode->clock = 25777;
-
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-
-        mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-        return mode;
-}
-
-static bool pyr_dsi_dbi_mode_fixup(struct drm_encoder *encoder,
-                                struct drm_display_mode *mode,
-                                struct drm_display_mode *adjusted_mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct drm_display_mode *fixed_mode = pyr_cmd_get_config_mode(dev);
-
-        if (fixed_mode) {
-                adjusted_mode->hdisplay = fixed_mode->hdisplay;
-                adjusted_mode->hsync_start = fixed_mode->hsync_start;
-                adjusted_mode->hsync_end = fixed_mode->hsync_end;
-                adjusted_mode->htotal = fixed_mode->htotal;
-                adjusted_mode->vdisplay = fixed_mode->vdisplay;
-                adjusted_mode->vsync_start = fixed_mode->vsync_start;
-                adjusted_mode->vsync_end = fixed_mode->vsync_end;
-                adjusted_mode->vtotal = fixed_mode->vtotal;
-                adjusted_mode->clock = fixed_mode->clock;
-                drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-                kfree(fixed_mode);
-        }
-        return true;
-}
-
-static void pyr_dsi_dbi_set_power(struct drm_encoder *encoder, bool on)
-{
-        int ret = 0;
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output =
-                                MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 reg_offset = 0;
-        int pipe = (dbi_output->channel_num == 0) ? 0 : 2;
-
-        dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n", pipe,
-                        on ? "On" : "Off",
-                        dbi_output->dbi_panel_on ? "True" : "False");
-
-        if (pipe == 2) {
-                if (on)
-                        dev_priv->dual_mipi = true;
-                else
-                        dev_priv->dual_mipi = false;
-
-                reg_offset = MIPIC_REG_OFFSET;
-        } else {
-                if (!on)
-                        dev_priv->dual_mipi = false;
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-
-
-        if (on) {
-                if (dbi_output->dbi_panel_on)
-                        goto out_err;
-
-                ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON);
-                if (ret) {
-                        dev_err(dev->dev, "power on error\n");
-                        goto out_err;
-                }
-
-                dbi_output->dbi_panel_on = true;
-
-                if (pipe == 2) {
-                        dev_priv->dbi_panel_on2 = true;
-                } else {
-                        dev_priv->dbi_panel_on = true;
-                        mdfld_enable_te(dev, 0);
-                }
-        } else {
-                if (!dbi_output->dbi_panel_on && !dbi_output->first_boot)
-                        goto out_err;
-
-                dbi_output->dbi_panel_on = false;
-                dbi_output->first_boot = false;
-
-                if (pipe == 2) {
-                        dev_priv->dbi_panel_on2 = false;
-                        mdfld_disable_te(dev, 2);
-                } else {
-                        dev_priv->dbi_panel_on = false;
-                        mdfld_disable_te(dev, 0);
-
-                        if (dev_priv->dbi_panel_on2)
-                                mdfld_enable_te(dev, 2);
-                }
-
-                ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF);
-                if (ret) {
-                        dev_err(dev->dev, "power on error\n");
-                        goto out_err;
-                }
-        }
-
-out_err:
-        gma_power_end(dev);
-
-        if (ret)
-                dev_err(dev->dev, "failed\n");
-}
-
-static void pyr_dsi_controller_dbi_init(struct mdfld_dsi_config *dsi_config,
-                                                                int pipe)
-{
-        struct drm_device *dev = dsi_config->dev;
-        u32 reg_offset = pipe ? MIPIC_REG_OFFSET : 0;
-        int lane_count = dsi_config->lane_count;
-        u32 val = 0;
-
-        dev_dbg(dev->dev, "Init DBI interface on pipe %d...\n", pipe);
-
-        /* Un-ready device */
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000000);
-
-        /* Init dsi adapter before kicking off */
-        REG_WRITE((MIPIA_CONTROL_REG + reg_offset), 0x00000018);
-
-        /* TODO: figure out how to setup these registers */
-        REG_WRITE((MIPIA_DPHY_PARAM_REG + reg_offset), 0x150c600F);
-        REG_WRITE((MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG + reg_offset),
-                                                                0x000a0014);
-        REG_WRITE((MIPIA_DBI_BW_CTRL_REG + reg_offset), 0x00000400);
-        REG_WRITE((MIPIA_HS_LS_DBI_ENABLE_REG + reg_offset), 0x00000000);
-
-        /* Enable all interrupts */
-        REG_WRITE((MIPIA_INTR_EN_REG + reg_offset), 0xffffffff);
-        /* Max value: 20 clock cycles of txclkesc */
-        REG_WRITE((MIPIA_TURN_AROUND_TIMEOUT_REG + reg_offset), 0x0000001f);
-        /* Min 21 txclkesc, max: ffffh */
-        REG_WRITE((MIPIA_DEVICE_RESET_TIMER_REG + reg_offset), 0x0000ffff);
-        /* Min: 7d0 max: 4e20 */
-        REG_WRITE((MIPIA_INIT_COUNT_REG + reg_offset), 0x00000fa0);
-
-        /* Set up func_prg */
-        val |= lane_count;
-        val |= (dsi_config->channel_num << DSI_DBI_VIRT_CHANNEL_OFFSET);
-        val |= DSI_DBI_COLOR_FORMAT_OPTION2;
-        REG_WRITE((MIPIA_DSI_FUNC_PRG_REG + reg_offset), val);
-
-        REG_WRITE((MIPIA_HS_TX_TIMEOUT_REG + reg_offset), 0x3fffff);
-        REG_WRITE((MIPIA_LP_RX_TIMEOUT_REG + reg_offset), 0xffff);
-
-        /* De-assert dbi_stall when half of DBI FIFO is empty */
-        /* REG_WRITE((MIPIA_DBI_FIFO_THROTTLE_REG + reg_offset), 0x00000000); */
-
-        REG_WRITE((MIPIA_HIGH_LOW_SWITCH_COUNT_REG + reg_offset), 0x46);
-        REG_WRITE((MIPIA_EOT_DISABLE_REG + reg_offset), 0x00000002);
-        REG_WRITE((MIPIA_LP_BYTECLK_REG + reg_offset), 0x00000004);
-        REG_WRITE((MIPIA_DEVICE_READY_REG + reg_offset), 0x00000001);
-}
-
-static void pyr_dsi_dbi_mode_set(struct drm_encoder *encoder,
-                                struct drm_display_mode *mode,
-                                struct drm_display_mode *adjusted_mode)
-{
-        int ret = 0;
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dsi_output =
-                                        MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct mdfld_dsi_config *dsi_config =
-                                mdfld_dsi_encoder_get_config(dsi_encoder);
-        struct mdfld_dsi_connector *dsi_connector = dsi_config->connector;
-        int pipe = dsi_connector->pipe;
-        u8 param = 0;
-
-        /* Regs */
-        u32 mipi_reg = MIPI;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 reg_offset = 0;
-
-        /* Values */
-        u32 dspcntr_val = dev_priv->dspcntr;
-        u32 pipeconf_val = dev_priv->pipeconf;
-        u32 h_active_area = mode->hdisplay;
-        u32 v_active_area = mode->vdisplay;
-        u32 mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX |
-                                                        TE_TRIGGER_GPIO_PIN);
-
-        dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val);
-
-        dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI");
-        dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay);
-
-        if (pipe == 2) {
-                mipi_reg = MIPI_C;
-                dspcntr_reg = DSPCCNTR;
-                pipeconf_reg = PIPECCONF;
-
-                reg_offset = MIPIC_REG_OFFSET;
-
-                dspcntr_val = dev_priv->dspcntr2;
-                pipeconf_val = dev_priv->pipeconf2;
-        } else {
-                mipi_val |= 0x2; /* Two lanes for port A and C respectively */
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-
-        /* Set up pipe related registers */
-        REG_WRITE(mipi_reg, mipi_val);
-        REG_READ(mipi_reg);
-
-        pyr_dsi_controller_dbi_init(dsi_config, pipe);
-
-        msleep(20);
-
-        REG_WRITE(dspcntr_reg, dspcntr_val);
-        REG_READ(dspcntr_reg);
-
-        /* 20ms delay before sending exit_sleep_mode */
-        msleep(20);
-
-        /* Send exit_sleep_mode DCS */
-        ret = mdfld_dsi_dbi_send_dcs(dsi_output, exit_sleep_mode, NULL,
-                                                0, CMD_DATA_SRC_SYSTEM_MEM);
-        if (ret) {
-                dev_err(dev->dev, "sent exit_sleep_mode faild\n");
-                goto out_err;
-        }
-
-        /*send set_tear_on DCS*/
-        ret = mdfld_dsi_dbi_send_dcs(dsi_output, set_tear_on,
-                                        &param, 1, CMD_DATA_SRC_SYSTEM_MEM);
-        if (ret) {
-                dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__);
-                goto out_err;
-        }
-
-        /* Do some init stuff */
-        mdfld_dsi_brightness_init(dsi_config, pipe);
-        mdfld_dsi_gen_fifo_ready(dev, (MIPIA_GEN_FIFO_STAT_REG + reg_offset),
-                                HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-
-        REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR);
-        REG_READ(pipeconf_reg);
-
-        /* TODO: this looks ugly, try to move it to CRTC mode setting */
-        if (pipe == 2)
-                dev_priv->pipeconf2 |= PIPEACONF_DSR;
-        else
-                dev_priv->pipeconf |= PIPEACONF_DSR;
-
-        dev_dbg(dev->dev, "pipeconf %x\n",  REG_READ(pipeconf_reg));
-
-        ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0,
-                                h_active_area - 1, v_active_area - 1);
-        if (ret) {
-                dev_err(dev->dev, "update area failed\n");
-                goto out_err;
-        }
-
-out_err:
-        gma_power_end(dev);
-
-        if (ret)
-                dev_err(dev->dev, "mode set failed\n");
-        else
-                dev_dbg(dev->dev, "mode set done successfully\n");
-}
-
-static void pyr_dsi_dbi_prepare(struct drm_encoder *encoder)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output =
-                                        MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-
-        dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER;
-        dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE;
-
-        pyr_dsi_dbi_set_power(encoder, false);
-}
-
-static void pyr_dsi_dbi_commit(struct drm_encoder *encoder)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output =
-                                        MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_drm_dpu_rect rect;
-
-        pyr_dsi_dbi_set_power(encoder, true);
-
-        dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER;
-
-        rect.x = rect.y = 0;
-        rect.width = 864;
-        rect.height = 480;
-
-        if (dbi_output->channel_num == 1) {
-                dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-                /* If DPU enabled report a fullscreen damage */
-                mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-        } else {
-                dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-                mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-        }
-        dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
-}
-
-static void pyr_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output =
-                                        MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct drm_device *dev = dbi_output->dev;
-
-        dev_dbg(dev->dev, "%s\n",  (mode == DRM_MODE_DPMS_ON ? "on" : "off"));
-
-        if (mode == DRM_MODE_DPMS_ON)
-                pyr_dsi_dbi_set_power(encoder, true);
-        else
-                pyr_dsi_dbi_set_power(encoder, false);
-}
-
-/*
- * Update the DBI MIPI Panel Frame Buffer.
- */
-static void pyr_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output,
-                                                                int pipe)
-{
-        struct mdfld_dsi_pkg_sender *sender =
-                mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_crtc *crtc = dbi_output->base.base.crtc;
-        struct psb_intel_crtc *psb_crtc = (crtc) ?
-                                to_psb_intel_crtc(crtc) : NULL;
-
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 dsplinoff_reg = DSPALINOFF;
-        u32 dspsurf_reg = DSPASURF;
-        u32 hs_gen_ctrl_reg = HS_GEN_CTRL_REG;
-        u32 gen_fifo_stat_reg = GEN_FIFO_STAT_REG;
-        u32 reg_offset = 0;
-
-        u32 intr_status;
-        u32 fifo_stat_reg_val;
-        u32 dpll_reg_val;
-        u32 dspcntr_reg_val;
-        u32 pipeconf_reg_val;
-
-        /* If mode setting on-going, back off */
-        if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-                (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) ||
-                !(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE))
-                return;
-
-        /*
-         * Look for errors here.  In particular we're checking for whatever
-         * error status might have appeared during the last frame transmit
-         * (memory write).
-         *
-         * Normally, the bits we're testing here would be set infrequently,
-         * if at all.  However, one panel (at least) returns at least one
-         * error bit on most frames.  So we've disabled the kernel message
-         * for now.
-         *
-         * Still clear whatever error bits are set, except don't clear the
-         * ones that would make the Penwell DSI controller reset if we
-         * cleared them.
-         */
-        intr_status = REG_READ(INTR_STAT_REG);
-        if ((intr_status & 0x26FFFFFF) != 0) {
-                /* dev_err(dev->dev, "DSI status: 0x%08X\n", intr_status); */
-                intr_status &= 0x26F3FFFF;
-                REG_WRITE(INTR_STAT_REG, intr_status);
-        }
-
-        if (pipe == 2) {
-                dspcntr_reg = DSPCCNTR;
-                pipeconf_reg = PIPECCONF;
-                dsplinoff_reg = DSPCLINOFF;
-                dspsurf_reg = DSPCSURF;
-
-                hs_gen_ctrl_reg = HS_GEN_CTRL_REG + MIPIC_REG_OFFSET;
-                gen_fifo_stat_reg = GEN_FIFO_STAT_REG + MIPIC_REG_OFFSET,
-
-                reg_offset = MIPIC_REG_OFFSET;
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-
-        fifo_stat_reg_val = REG_READ(MIPIA_GEN_FIFO_STAT_REG + reg_offset);
-        dpll_reg_val = REG_READ(dpll_reg);
-        dspcntr_reg_val = REG_READ(dspcntr_reg);
-        pipeconf_reg_val = REG_READ(pipeconf_reg);
-
-        if (!(fifo_stat_reg_val & (1 << 27)) ||
-                (dpll_reg_val & DPLL_VCO_ENABLE) ||
-                !(dspcntr_reg_val & DISPLAY_PLANE_ENABLE) ||
-                !(pipeconf_reg_val & DISPLAY_PLANE_ENABLE)) {
-                goto update_fb_out0;
-        }
-
-        /* Refresh plane changes */
-        REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg));
-        REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-        REG_READ(dspsurf_reg);
-
-        mdfld_dsi_send_dcs(sender,
-                           write_mem_start,
-                           NULL,
-                           0,
-                           CMD_DATA_SRC_PIPE,
-                           MDFLD_DSI_SEND_PACKAGE);
-
-        /*
-         * The idea here is to transmit a Generic Read command after the
-         * Write Memory Start/Continue commands finish.  This asks for
-         * the panel to return an "ACK No Errors," or (if it has errors
-         * to report) an Error Report.  This allows us to monitor the
-         * panel's perception of the health of the DSI.
-         */
-        mdfld_dsi_gen_fifo_ready(dev, gen_fifo_stat_reg,
-                                HS_CTRL_FIFO_EMPTY | HS_DATA_FIFO_EMPTY);
-        REG_WRITE(hs_gen_ctrl_reg, (1 << WORD_COUNTS_POS) | GEN_READ_0);
-
-        dbi_output->dsr_fb_update_done = true;
-update_fb_out0:
-        gma_power_end(dev);
-}
-
-/*
- * TODO: will be removed later, should work out display interfaces for power
- */
-void pyr_dsi_adapter_init(struct mdfld_dsi_config *dsi_config, int pipe)
-{
-        if (!dsi_config || (pipe != 0 && pipe != 2)) {
-                WARN_ON(1);
-                return;
-        }
-        pyr_dsi_controller_dbi_init(dsi_config, pipe);
-}
-
-static int pyr_cmd_get_panel_info(struct drm_device *dev, int pipe,
-                                                        struct panel_info *pi)
-{
-        if (!dev || !pi)
-                return -EINVAL;
-
-        pi->width_mm = PYR_PANEL_WIDTH;
-        pi->height_mm = PYR_PANEL_HEIGHT;
-
-        return 0;
-}
-
-/* PYR DBI encoder helper funcs */
-static const struct drm_encoder_helper_funcs pyr_dsi_dbi_helper_funcs = {
-        .dpms = pyr_dsi_dbi_dpms,
-        .mode_fixup = pyr_dsi_dbi_mode_fixup,
-        .prepare = pyr_dsi_dbi_prepare,
-        .mode_set = pyr_dsi_dbi_mode_set,
-        .commit = pyr_dsi_dbi_commit,
-};
-
-/* PYR DBI encoder funcs */
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-        .destroy = drm_encoder_cleanup,
-};
-
-void pyr_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-        p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs;
-        p_funcs->encoder_helper_funcs = &pyr_dsi_dbi_helper_funcs;
-        p_funcs->get_config_mode = &pyr_cmd_get_config_mode;
-        p_funcs->update_fb = pyr_dsi_dbi_update_fb;
-        p_funcs->get_panel_info = pyr_cmd_get_panel_info;
-}
diff --git a/drivers/staging/gma500/mdfld_tmd_vid.c b/drivers/staging/gma500/mdfld_tmd_vid.c
deleted file mode 100644
index affdc09c6769..000000000000
--- a/drivers/staging/gma500/mdfld_tmd_vid.c
+++ /dev/null
@@ -1,206 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Jim Liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- * Gideon Eaton <eaton.
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tmd_vid.h"
-
-/* FIXME: static ? */
-struct drm_display_mode *tmd_vid_get_config_mode(struct drm_device *dev)
-{
-        struct drm_display_mode *mode;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-        bool use_gct = false; /*Disable GCT for now*/
-
-        mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-        if (!mode) {
-                dev_err(dev->dev, "Out of memory\n");
-                return NULL;
-        }
-
-        if (use_gct) {
-                dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-                mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-                mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-                mode->hsync_start = mode->hdisplay +
-                                ((ti->hsync_offset_hi << 8) |
-                                ti->hsync_offset_lo);
-                mode->hsync_end = mode->hsync_start +
-                                ((ti->hsync_pulse_width_hi << 8) |
-                                ti->hsync_pulse_width_lo);
-                mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) |
-                                                                ti->hblank_lo);
-                mode->vsync_start = \
-                        mode->vdisplay + ((ti->vsync_offset_hi << 8) |
-                                                ti->vsync_offset_lo);
-                mode->vsync_end = \
-                        mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-                                                ti->vsync_pulse_width_lo);
-                mode->vtotal = mode->vdisplay +
-                                ((ti->vblank_hi << 8) | ti->vblank_lo);
-                mode->clock = ti->pixel_clock * 10;
-
-                dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-                dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-                dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-                dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-                dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-                dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-                dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-                dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-                dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-        } else {
-                mode->hdisplay = 480;
-                mode->vdisplay = 854;
-                mode->hsync_start = 487;
-                mode->hsync_end = 490;
-                mode->htotal = 499;
-                mode->vsync_start = 861;
-                mode->vsync_end = 865;
-                mode->vtotal = 873;
-                mode->clock = 33264;
-        }
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-
-        mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-        return mode;
-}
-
-static int tmd_vid_get_panel_info(struct drm_device *dev,
-                                int pipe,
-                                struct panel_info *pi)
-{
-        if (!dev || !pi)
-                return -EINVAL;
-
-        pi->width_mm = TMD_PANEL_WIDTH;
-        pi->height_mm = TMD_PANEL_HEIGHT;
-
-        return 0;
-}
-
-/*
- *      mdfld_init_TMD_MIPI     -       initialise a TMD interface
- *      @dsi_config: configuration
- *      @pipe: pipe to configure
- *
- *      This function is called only by mrst_dsi_mode_set and
- *      restore_display_registers.  since this function does not
- *      acquire the mutex, it is important that the calling function
- *      does!
- */
-
-
-static void mdfld_dsi_tmd_drv_ic_init(struct mdfld_dsi_config *dsi_config,
-                                      int pipe)
-{
-        static u32 tmd_cmd_mcap_off[] = {0x000000b2};
-        static u32 tmd_cmd_enable_lane_switch[] = {0x000101ef};
-        static u32 tmd_cmd_set_lane_num[] = {0x006360ef};
-        static u32 tmd_cmd_pushing_clock0[] = {0x00cc2fef};
-        static u32 tmd_cmd_pushing_clock1[] = {0x00dd6eef};
-        static u32 tmd_cmd_set_mode[] = {0x000000b3};
-        static u32 tmd_cmd_set_sync_pulse_mode[] = {0x000961ef};
-        static u32 tmd_cmd_set_column[] = {0x0100002a, 0x000000df};
-        static u32 tmd_cmd_set_page[] = {0x0300002b, 0x00000055};
-        static u32 tmd_cmd_set_video_mode[] = {0x00000153};
-        /*no auto_bl,need add in furture*/
-        static u32 tmd_cmd_enable_backlight[] = {0x00005ab4};
-        static u32 tmd_cmd_set_backlight_dimming[] = {0x00000ebd};
-
-        struct mdfld_dsi_pkg_sender *sender
-                        = mdfld_dsi_get_pkg_sender(dsi_config);
-
-        DRM_INFO("Enter mdfld init TMD MIPI display.\n");
-
-        if (!sender) {
-                DRM_ERROR("Cannot get sender\n");
-                return;
-        }
-
-        if (dsi_config->dvr_ic_inited)
-                return;
-
-        msleep(3);
-
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_mcap_off, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_lane_switch, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_lane_num, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock0, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_pushing_clock1, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_mode, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_sync_pulse_mode, 1, 0);
-        mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_column, 2, 0);
-        mdfld_dsi_send_mcs_long_lp(sender, tmd_cmd_set_page, 2, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_video_mode, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_enable_backlight, 1, 0);
-        mdfld_dsi_send_gen_long_lp(sender, tmd_cmd_set_backlight_dimming, 1, 0);
-
-        dsi_config->dvr_ic_inited = 1;
-}
-
-/* TMD DPI encoder helper funcs */
-static const struct drm_encoder_helper_funcs
-                                        mdfld_tpo_dpi_encoder_helper_funcs = {
-        .dpms = mdfld_dsi_dpi_dpms,
-        .mode_fixup = mdfld_dsi_dpi_mode_fixup,
-        .prepare = mdfld_dsi_dpi_prepare,
-        .mode_set = mdfld_dsi_dpi_mode_set,
-        .commit = mdfld_dsi_dpi_commit,
-};
-
-/* TMD DPI encoder funcs */
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
-        .destroy = drm_encoder_cleanup,
-};
-
-void tmd_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-        if (!dev || !p_funcs) {
-                dev_err(dev->dev, "Invalid parameters\n");
-                return;
-        }
-
-        p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs;
-        p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs;
-        p_funcs->get_config_mode = &tmd_vid_get_config_mode;
-        p_funcs->update_fb = NULL;
-        p_funcs->get_panel_info = tmd_vid_get_panel_info;
-        p_funcs->reset = mdfld_dsi_panel_reset;
-        p_funcs->drv_ic_init = mdfld_dsi_tmd_drv_ic_init;
-}
diff --git a/drivers/staging/gma500/mdfld_tpo_cmd.c b/drivers/staging/gma500/mdfld_tpo_cmd.c
deleted file mode 100644
index c7f7c9c19bc1..000000000000
--- a/drivers/staging/gma500/mdfld_tpo_cmd.c
+++ /dev/null
@@ -1,509 +0,0 @@
-/*
- * Copyright (c)  2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicensen
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Thomas Eaton <thomas.g.eaton@intel.com>
- * Scott Rowe <scott.m.rowe@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-#include "mdfld_dsi_dbi_dpu.h"
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tpo_cmd.h"
-
-static struct drm_display_mode *tpo_cmd_get_config_mode(struct drm_device *dev)
-{
-        struct drm_display_mode *mode;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-        bool use_gct = false;
-
-        mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-        if (!mode)
-                return NULL;
-
-        if (use_gct) {
-                dev_dbg(dev->dev, "gct find MIPI panel.\n");
-
-                mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-                mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-                mode->hsync_start = mode->hdisplay + \
-                                ((ti->hsync_offset_hi << 8) | \
-                                ti->hsync_offset_lo);
-                mode->hsync_end = mode->hsync_start + \
-                                ((ti->hsync_pulse_width_hi << 8) | \
-                                ti->hsync_pulse_width_lo);
-                mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-                                                                ti->hblank_lo);
-                mode->vsync_start = \
-                        mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-                                                ti->vsync_offset_lo);
-                mode->vsync_end = \
-                        mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-                                                ti->vsync_pulse_width_lo);
-                mode->vtotal = mode->vdisplay + \
-                                ((ti->vblank_hi << 8) | ti->vblank_lo);
-                mode->clock = ti->pixel_clock * 10;
-
-                dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-                dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-                dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-                dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-                dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-                dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-                dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-                dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-                dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-        } else {
-                mode->hdisplay = 864;
-                mode->vdisplay = 480;
-                mode->hsync_start = 872;
-                mode->hsync_end = 876;
-                mode->htotal = 884;
-                mode->vsync_start = 482;
-                mode->vsync_end = 494;
-                mode->vtotal = 486;
-                mode->clock = 25777;
-        }
-
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-
-        mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-        return mode;
-}
-
-static bool mdfld_dsi_dbi_mode_fixup(struct drm_encoder *encoder,
-                                     struct drm_display_mode *mode,
-                                     struct drm_display_mode *adjusted_mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct drm_display_mode *fixed_mode = tpo_cmd_get_config_mode(dev);
-
-        if (fixed_mode) {
-                adjusted_mode->hdisplay = fixed_mode->hdisplay;
-                adjusted_mode->hsync_start = fixed_mode->hsync_start;
-                adjusted_mode->hsync_end = fixed_mode->hsync_end;
-                adjusted_mode->htotal = fixed_mode->htotal;
-                adjusted_mode->vdisplay = fixed_mode->vdisplay;
-                adjusted_mode->vsync_start = fixed_mode->vsync_start;
-                adjusted_mode->vsync_end = fixed_mode->vsync_end;
-                adjusted_mode->vtotal = fixed_mode->vtotal;
-                adjusted_mode->clock = fixed_mode->clock;
-                drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
-                kfree(fixed_mode);
-        }
-        return true;
-}
-
-static void mdfld_dsi_dbi_set_power(struct drm_encoder *encoder, bool on)
-{
-        int ret = 0;
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output =
-                                MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct mdfld_dsi_config *dsi_config =
-                mdfld_dsi_encoder_get_config(dsi_encoder);
-        struct mdfld_dsi_pkg_sender *sender =
-                mdfld_dsi_encoder_get_pkg_sender(dsi_encoder);
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 reg_offset = 0;
-        int pipe = (dbi_output->channel_num == 0) ? 0 : 2;
-        u32 data = 0;
-
-        dev_dbg(dev->dev, "pipe %d : %s, panel on: %s\n",
-                        pipe, on ? "On" : "Off",
-                        dbi_output->dbi_panel_on ? "True" : "False");
-
-        if (pipe == 2) {
-                if (on)
-                        dev_priv->dual_mipi = true;
-                else
-                        dev_priv->dual_mipi = false;
-                reg_offset = MIPIC_REG_OFFSET;
-        } else {
-                if (!on)
-                        dev_priv->dual_mipi = false;
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-
-        if (on) {
-                if (dbi_output->dbi_panel_on)
-                        goto out_err;
-
-                ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_ON);
-                if (ret) {
-                        dev_err(dev->dev, "power on error\n");
-                        goto out_err;
-                }
-
-                dbi_output->dbi_panel_on = true;
-
-                if (pipe == 2)
-                        dev_priv->dbi_panel_on2 = true;
-                else
-                        dev_priv->dbi_panel_on = true;
-                mdfld_enable_te(dev, pipe);
-        } else {
-                if (!dbi_output->dbi_panel_on && !dbi_output->first_boot)
-                        goto out_err;
-
-                dbi_output->dbi_panel_on = false;
-                dbi_output->first_boot = false;
-
-                if (pipe == 2)
-                        dev_priv->dbi_panel_on2 = false;
-                else
-                        dev_priv->dbi_panel_on = false;
-
-                mdfld_disable_te(dev, pipe);
-
-                ret = mdfld_dsi_dbi_update_power(dbi_output, DRM_MODE_DPMS_OFF);
-                if (ret) {
-                        dev_err(dev->dev, "power on error\n");
-                        goto out_err;
-                }
-        }
-
-        /*
-         * FIXME: this is a WA for TPO panel crash on DPMS on & off around
-         * 83 times. the root cause of this issue is that Booster in
-         * drvIC crashed. Add this WA so that we can resume the driver IC
-         * once we found that booster has a fault
-         */
-        mdfld_dsi_get_power_mode(dsi_config,
-                                &data,
-                                MDFLD_DSI_HS_TRANSMISSION);
-
-        if (on && data && !(data & (1 << 7))) {
-                /* Soft reset */
-                mdfld_dsi_send_dcs(sender,
-                                   DCS_SOFT_RESET,
-                                   NULL,
-                                   0,
-                                   CMD_DATA_SRC_PIPE,
-                                   MDFLD_DSI_SEND_PACKAGE);
-
-                /* Init drvIC */
-                if (dbi_output->p_funcs->drv_ic_init)
-                        dbi_output->p_funcs->drv_ic_init(dsi_config,
-                                                         pipe);
-        }
- 
-out_err:
-        gma_power_end(dev);
-        if (ret)
-                dev_err(dev->dev, "failed\n");
-}
-
-
-static void mdfld_dsi_dbi_mode_set(struct drm_encoder *encoder,
-                                   struct drm_display_mode *mode,
-                                   struct drm_display_mode *adjusted_mode)
-{
-        int ret = 0;
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dsi_output =
-                                        MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct mdfld_dsi_config *dsi_config =
-                                mdfld_dsi_encoder_get_config(dsi_encoder);
-        struct mdfld_dsi_connector *dsi_connector = dsi_config->connector;
-        int pipe = dsi_connector->pipe;
-        u8 param = 0;
-
-        /* Regs */
-        u32 mipi_reg = MIPI;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 reg_offset = 0;
-
-        /* Values */
-        u32 dspcntr_val = dev_priv->dspcntr;
-        u32 pipeconf_val = dev_priv->pipeconf;
-        u32 h_active_area = mode->hdisplay;
-        u32 v_active_area = mode->vdisplay;
-        u32 mipi_val;
-
-        mipi_val = (PASS_FROM_SPHY_TO_AFE | SEL_FLOPPED_HSTX |
-                                                TE_TRIGGER_GPIO_PIN);
-
-        dev_dbg(dev->dev, "mipi_val =0x%x\n", mipi_val);
-
-        dev_dbg(dev->dev, "type %s\n", (pipe == 2) ? "MIPI2" : "MIPI");
-        dev_dbg(dev->dev, "h %d v %d\n", mode->hdisplay, mode->vdisplay);
-
-        if (pipe == 2) {
-                mipi_reg = MIPI_C;
-                dspcntr_reg = DSPCCNTR;
-                pipeconf_reg = PIPECCONF;
-
-                reg_offset = MIPIC_REG_OFFSET;
-
-                dspcntr_val = dev_priv->dspcntr2;
-                pipeconf_val = dev_priv->pipeconf2;
-        } else {
-                mipi_val |= 0x2; /*two lanes for port A and C respectively*/
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-
-        REG_WRITE(dspcntr_reg, dspcntr_val);
-        REG_READ(dspcntr_reg);
-
-        /* 20ms delay before sending exit_sleep_mode */
-        msleep(20);
-
-        /* Send exit_sleep_mode DCS */
-        ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_EXIT_SLEEP_MODE,
-                                        NULL, 0, CMD_DATA_SRC_SYSTEM_MEM);
-        if (ret) {
-                dev_err(dev->dev, "sent exit_sleep_mode faild\n");
-                goto out_err;
-        }
-
-        /* Send set_tear_on DCS */
-        ret = mdfld_dsi_dbi_send_dcs(dsi_output, DCS_SET_TEAR_ON,
-                                        &param, 1, CMD_DATA_SRC_SYSTEM_MEM);
-        if (ret) {
-                dev_err(dev->dev, "%s - sent set_tear_on faild\n", __func__);
-                goto out_err;
-        }
-
-        /* Do some init stuff */
-        REG_WRITE(pipeconf_reg, pipeconf_val | PIPEACONF_DSR);
-        REG_READ(pipeconf_reg);
-
-        /* TODO: this looks ugly, try to move it to CRTC mode setting*/
-        if (pipe == 2)
-                dev_priv->pipeconf2 |= PIPEACONF_DSR;
-        else
-                dev_priv->pipeconf |= PIPEACONF_DSR;
-
-        dev_dbg(dev->dev, "pipeconf %x\n",  REG_READ(pipeconf_reg));
-
-        ret = mdfld_dsi_dbi_update_area(dsi_output, 0, 0,
-                                h_active_area - 1, v_active_area - 1);
-        if (ret) {
-                dev_err(dev->dev, "update area failed\n");
-                goto out_err;
-        }
-
-out_err:
-        gma_power_end(dev);
-
-        if (ret)
-                dev_err(dev->dev, "mode set failed\n");
-}
-
-static void mdfld_dsi_dbi_prepare(struct drm_encoder *encoder)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output
-                                = MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-
-        dbi_output->mode_flags |= MODE_SETTING_IN_ENCODER;
-        dbi_output->mode_flags &= ~MODE_SETTING_ENCODER_DONE;
-
-        mdfld_dsi_dbi_set_power(encoder, false);
-}
-
-static void mdfld_dsi_dbi_commit(struct drm_encoder *encoder)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output =
-                                        MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_drm_dpu_rect rect;
-
-        mdfld_dsi_dbi_set_power(encoder, true);
-        dbi_output->mode_flags &= ~MODE_SETTING_IN_ENCODER;
-
-        rect.x = rect.y = 0;
-        rect.width = 864;
-        rect.height = 480;
-
-        if (dbi_output->channel_num == 1) {
-                dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_2;
-                /*if dpu enabled report a fullscreen damage*/
-                mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEC, &rect);
-        } else {
-                dev_priv->dsr_fb_update |= MDFLD_DSR_2D_3D_0;
-                mdfld_dbi_dpu_report_damage(dev, MDFLD_PLANEA, &rect);
-        }
-        dbi_output->mode_flags |= MODE_SETTING_ENCODER_DONE;
-}
-
-static void mdfld_dsi_dbi_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct mdfld_dsi_encoder *dsi_encoder = MDFLD_DSI_ENCODER(encoder);
-        struct mdfld_dsi_dbi_output *dbi_output
-                                = MDFLD_DSI_DBI_OUTPUT(dsi_encoder);
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        static bool bdispoff;
-
-        dev_dbg(dev->dev, "%s\n", (mode == DRM_MODE_DPMS_ON ? "on" : "off"));
-
-        if (mode == DRM_MODE_DPMS_ON) {
-                /*
-                 * FIXME: in case I am wrong!
-                 * we don't need to exit dsr here to wake up plane/pipe/pll
-                 * if everything goes right, hw_begin will resume them all
-                 * during set_power.
-                 */
-                if (bdispoff /* FIXME && gbgfxsuspended */) {
-                        mdfld_dsi_dbi_exit_dsr(dev, MDFLD_DSR_2D_3D);
-                        bdispoff = false;
-                        dev_priv->dispstatus = true;
-                }
-
-                mdfld_dsi_dbi_set_power(encoder, true);
-                /* FIXME if (gbgfxsuspended)
-                        gbgfxsuspended = false; */
-        } else {
-                /*
-                 * I am not sure whether this is the perfect place to
-                 * turn rpm on since we still have a lot of CRTC turnning
-                 * on work to do.
-                 */
-                bdispoff = true;
-                dev_priv->dispstatus = false;
-                mdfld_dsi_dbi_set_power(encoder, false);
-        }
-}
-
-
-/*
- * Update the DBI MIPI Panel Frame Buffer.
- */
-static void mdfld_dsi_dbi_update_fb(struct mdfld_dsi_dbi_output *dbi_output,
-                                                                int pipe)
-{
-        struct mdfld_dsi_pkg_sender *sender =
-                mdfld_dsi_encoder_get_pkg_sender(&dbi_output->base);
-        struct drm_device *dev = dbi_output->dev;
-        struct drm_crtc *crtc = dbi_output->base.base.crtc;
-        struct psb_intel_crtc *psb_crtc = (crtc) ?
-                                        to_psb_intel_crtc(crtc) : NULL;
-        u32 dpll_reg = MRST_DPLL_A;
-        u32 dspcntr_reg = DSPACNTR;
-        u32 pipeconf_reg = PIPEACONF;
-        u32 dsplinoff_reg = DSPALINOFF;
-        u32 dspsurf_reg = DSPASURF;
-        u32 reg_offset = 0;
-
-        /* If mode setting on-going, back off */
-        if ((dbi_output->mode_flags & MODE_SETTING_ON_GOING) ||
-                (psb_crtc && psb_crtc->mode_flags & MODE_SETTING_ON_GOING) ||
-                !(dbi_output->mode_flags & MODE_SETTING_ENCODER_DONE))
-                return;
-
-        if (pipe == 2) {
-                dspcntr_reg = DSPCCNTR;
-                pipeconf_reg = PIPECCONF;
-                dsplinoff_reg = DSPCLINOFF;
-                dspsurf_reg = DSPCSURF;
-                reg_offset = MIPIC_REG_OFFSET;
-        }
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "hw begin failed\n");
-                return;
-        }
-
-        /* Check DBI FIFO status */
-        if (!(REG_READ(dpll_reg) & DPLL_VCO_ENABLE) ||
-           !(REG_READ(dspcntr_reg) & DISPLAY_PLANE_ENABLE) ||
-           !(REG_READ(pipeconf_reg) & DISPLAY_PLANE_ENABLE))
-                goto update_fb_out0;
-
-        /* Refresh plane changes */
-        REG_WRITE(dsplinoff_reg, REG_READ(dsplinoff_reg));
-        REG_WRITE(dspsurf_reg, REG_READ(dspsurf_reg));
-        REG_READ(dspsurf_reg);
-
-        mdfld_dsi_send_dcs(sender,
-                           DCS_WRITE_MEM_START,
-                           NULL,
-                           0,
-                           CMD_DATA_SRC_PIPE,
-                           MDFLD_DSI_SEND_PACKAGE);
-
-        dbi_output->dsr_fb_update_done = true;
-update_fb_out0:
-        gma_power_end(dev);
-}
-
-static int tpo_cmd_get_panel_info(struct drm_device *dev,
-                                int pipe,
-                                struct panel_info *pi)
-{
-        if (!dev || !pi)
-                return -EINVAL;
-
-        pi->width_mm = TPO_PANEL_WIDTH;
-        pi->height_mm = TPO_PANEL_HEIGHT;
-
-        return 0;
-}
-
-
-/* TPO DBI encoder helper funcs */
-static const struct drm_encoder_helper_funcs mdfld_dsi_dbi_helper_funcs = {
-        .dpms = mdfld_dsi_dbi_dpms,
-        .mode_fixup = mdfld_dsi_dbi_mode_fixup,
-        .prepare = mdfld_dsi_dbi_prepare,
-        .mode_set = mdfld_dsi_dbi_mode_set,
-        .commit = mdfld_dsi_dbi_commit,
-};
-
-/* TPO DBI encoder funcs */
-static const struct drm_encoder_funcs mdfld_dsi_dbi_encoder_funcs = {
-        .destroy = drm_encoder_cleanup,
-};
-
-void tpo_cmd_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-        p_funcs->encoder_funcs = &mdfld_dsi_dbi_encoder_funcs;
-        p_funcs->encoder_helper_funcs = &mdfld_dsi_dbi_helper_funcs;
-        p_funcs->get_config_mode = &tpo_cmd_get_config_mode;
-        p_funcs->update_fb = mdfld_dsi_dbi_update_fb;
-        p_funcs->get_panel_info = tpo_cmd_get_panel_info;
-        p_funcs->reset = mdfld_dsi_panel_reset;
-        p_funcs->drv_ic_init = mdfld_dsi_brightness_init;
-}
diff --git a/drivers/staging/gma500/mdfld_tpo_vid.c b/drivers/staging/gma500/mdfld_tpo_vid.c
deleted file mode 100644
index 954901751760..000000000000
--- a/drivers/staging/gma500/mdfld_tpo_vid.c
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * jim liu <jim.liu@intel.com>
- * Jackie Li<yaodong.li@intel.com>
- */
-
-#include "mdfld_dsi_dbi.h"
-#include "mdfld_dsi_dpi.h"
-#include "mdfld_dsi_output.h"
-#include "mdfld_output.h"
-
-#include "mdfld_dsi_pkg_sender.h"
-
-#include "displays/tpo_vid.h"
-
-static struct drm_display_mode *tpo_vid_get_config_mode(struct drm_device *dev)
-{
-        struct drm_display_mode *mode;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-        bool use_gct = false;
-
-        mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-        if (!mode) {
-                dev_err(dev->dev, "out of memory\n");
-                return NULL;
-        }
-
-        if (use_gct) {
-                mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-                mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-                mode->hsync_start = mode->hdisplay + \
-                                ((ti->hsync_offset_hi << 8) | \
-                                ti->hsync_offset_lo);
-                mode->hsync_end = mode->hsync_start + \
-                                ((ti->hsync_pulse_width_hi << 8) | \
-                                ti->hsync_pulse_width_lo);
-                mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-                                                                ti->hblank_lo);
-                mode->vsync_start = \
-                        mode->vdisplay + ((ti->vsync_offset_hi << 8) | \
-                                                ti->vsync_offset_lo);
-                mode->vsync_end = \
-                        mode->vsync_start + ((ti->vsync_pulse_width_hi << 8) | \
-                                                ti->vsync_pulse_width_lo);
-                mode->vtotal = mode->vdisplay + \
-                                ((ti->vblank_hi << 8) | ti->vblank_lo);
-                mode->clock = ti->pixel_clock * 10;
-
-                dev_dbg(dev->dev, "hdisplay is %d\n", mode->hdisplay);
-                dev_dbg(dev->dev, "vdisplay is %d\n", mode->vdisplay);
-                dev_dbg(dev->dev, "HSS is %d\n", mode->hsync_start);
-                dev_dbg(dev->dev, "HSE is %d\n", mode->hsync_end);
-                dev_dbg(dev->dev, "htotal is %d\n", mode->htotal);
-                dev_dbg(dev->dev, "VSS is %d\n", mode->vsync_start);
-                dev_dbg(dev->dev, "VSE is %d\n", mode->vsync_end);
-                dev_dbg(dev->dev, "vtotal is %d\n", mode->vtotal);
-                dev_dbg(dev->dev, "clock is %d\n", mode->clock);
-        } else {
-                mode->hdisplay = 864;
-                mode->vdisplay = 480;
-                mode->hsync_start = 873;
-                mode->hsync_end = 876;
-                mode->htotal = 887;
-                mode->vsync_start = 487;
-                mode->vsync_end = 490;
-                mode->vtotal = 499;
-                mode->clock = 33264;
-        }
-
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-
-        mode->type |= DRM_MODE_TYPE_PREFERRED;
-
-        return mode;
-}
-
-static int tpo_vid_get_panel_info(struct drm_device *dev,
-                                int pipe,
-                                struct panel_info *pi)
-{
-        if (!dev || !pi)
-                return -EINVAL;
-
-        pi->width_mm = TPO_PANEL_WIDTH;
-        pi->height_mm = TPO_PANEL_HEIGHT;
-
-        return 0;
-}
-
-/*TPO DPI encoder helper funcs*/
-static const struct drm_encoder_helper_funcs
-                                        mdfld_tpo_dpi_encoder_helper_funcs = {
-        .dpms = mdfld_dsi_dpi_dpms,
-        .mode_fixup = mdfld_dsi_dpi_mode_fixup,
-        .prepare = mdfld_dsi_dpi_prepare,
-        .mode_set = mdfld_dsi_dpi_mode_set,
-        .commit = mdfld_dsi_dpi_commit,
-};
-
-/*TPO DPI encoder funcs*/
-static const struct drm_encoder_funcs mdfld_tpo_dpi_encoder_funcs = {
-        .destroy = drm_encoder_cleanup,
-};
-
-void tpo_vid_init(struct drm_device *dev, struct panel_funcs *p_funcs)
-{
-        if (!dev || !p_funcs) {
-                dev_err(dev->dev, "tpo_vid_init: Invalid parameters\n");
-                return;
-        }
-
-        p_funcs->encoder_funcs = &mdfld_tpo_dpi_encoder_funcs;
-        p_funcs->encoder_helper_funcs = &mdfld_tpo_dpi_encoder_helper_funcs;
-        p_funcs->get_config_mode = &tpo_vid_get_config_mode;
-        p_funcs->update_fb = NULL;
-        p_funcs->get_panel_info = tpo_vid_get_panel_info;
-}
diff --git a/drivers/staging/gma500/medfield.h b/drivers/staging/gma500/medfield.h
deleted file mode 100644
index 09e9687431f1..000000000000
--- a/drivers/staging/gma500/medfield.h
+++ /dev/null
@@ -1,268 +0,0 @@
-/*
- * Copyright © 2011 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- */
-
-/* Medfield DSI controller registers */
-
-#define MIPIA_DEVICE_READY_REG                          0xb000
-#define MIPIA_INTR_STAT_REG                             0xb004
-#define MIPIA_INTR_EN_REG                               0xb008
-#define MIPIA_DSI_FUNC_PRG_REG                          0xb00c
-#define MIPIA_HS_TX_TIMEOUT_REG                         0xb010
-#define MIPIA_LP_RX_TIMEOUT_REG                         0xb014
-#define MIPIA_TURN_AROUND_TIMEOUT_REG                   0xb018
-#define MIPIA_DEVICE_RESET_TIMER_REG                    0xb01c
-#define MIPIA_DPI_RESOLUTION_REG                        0xb020
-#define MIPIA_DBI_FIFO_THROTTLE_REG                     0xb024
-#define MIPIA_HSYNC_COUNT_REG                           0xb028
-#define MIPIA_HBP_COUNT_REG                             0xb02c
-#define MIPIA_HFP_COUNT_REG                             0xb030
-#define MIPIA_HACTIVE_COUNT_REG                         0xb034
-#define MIPIA_VSYNC_COUNT_REG                           0xb038
-#define MIPIA_VBP_COUNT_REG                             0xb03c
-#define MIPIA_VFP_COUNT_REG                             0xb040
-#define MIPIA_HIGH_LOW_SWITCH_COUNT_REG                 0xb044
-#define MIPIA_DPI_CONTROL_REG                           0xb048
-#define MIPIA_DPI_DATA_REG                              0xb04c
-#define MIPIA_INIT_COUNT_REG                            0xb050
-#define MIPIA_MAX_RETURN_PACK_SIZE_REG                  0xb054
-#define MIPIA_VIDEO_MODE_FORMAT_REG                     0xb058
-#define MIPIA_EOT_DISABLE_REG                           0xb05c
-#define MIPIA_LP_BYTECLK_REG                            0xb060
-#define MIPIA_LP_GEN_DATA_REG                           0xb064
-#define MIPIA_HS_GEN_DATA_REG                           0xb068
-#define MIPIA_LP_GEN_CTRL_REG                           0xb06c
-#define MIPIA_HS_GEN_CTRL_REG                           0xb070
-#define MIPIA_GEN_FIFO_STAT_REG                         0xb074
-#define MIPIA_HS_LS_DBI_ENABLE_REG                      0xb078
-#define MIPIA_DPHY_PARAM_REG                            0xb080
-#define MIPIA_DBI_BW_CTRL_REG                           0xb084
-#define MIPIA_CLK_LANE_SWITCH_TIME_CNT_REG              0xb088
-
-#define DSI_DEVICE_READY                                (0x1)
-#define DSI_POWER_STATE_ULPS_ENTER                      (0x2 << 1)
-#define DSI_POWER_STATE_ULPS_EXIT                       (0x1 << 1)
-#define DSI_POWER_STATE_ULPS_OFFSET                     (0x1)
-
-
-#define DSI_ONE_DATA_LANE                               (0x1)
-#define DSI_TWO_DATA_LANE                               (0x2)
-#define DSI_THREE_DATA_LANE                             (0X3)
-#define DSI_FOUR_DATA_LANE                              (0x4)
-#define DSI_DPI_VIRT_CHANNEL_OFFSET                     (0x3)
-#define DSI_DBI_VIRT_CHANNEL_OFFSET                     (0x5)
-#define DSI_DPI_COLOR_FORMAT_RGB565                     (0x01 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666                     (0x02 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB666_UNPACK              (0x03 << 7)
-#define DSI_DPI_COLOR_FORMAT_RGB888                     (0x04 << 7)
-#define DSI_DBI_COLOR_FORMAT_OPTION2                    (0x05 << 13)
-
-#define DSI_INTR_STATE_RXSOTERROR                       1
-
-#define DSI_INTR_STATE_SPL_PKG_SENT                     (1 << 30)
-#define DSI_INTR_STATE_TE                               (1 << 31)
-
-#define DSI_HS_TX_TIMEOUT_MASK                          (0xffffff)
-
-#define DSI_LP_RX_TIMEOUT_MASK                          (0xffffff)
-
-#define DSI_TURN_AROUND_TIMEOUT_MASK                    (0x3f)
-
-#define DSI_RESET_TIMER_MASK                            (0xffff)
-
-#define DSI_DBI_FIFO_WM_HALF                            (0x0)
-#define DSI_DBI_FIFO_WM_QUARTER                         (0x1)
-#define DSI_DBI_FIFO_WM_LOW                             (0x2)
-
-#define DSI_DPI_TIMING_MASK                             (0xffff)
-
-#define DSI_INIT_TIMER_MASK                             (0xffff)
-
-#define DSI_DBI_RETURN_PACK_SIZE_MASK                   (0x3ff)
-
-#define DSI_LP_BYTECLK_MASK                             (0x0ffff)
-
-#define DSI_HS_CTRL_GEN_SHORT_W0                        (0x03)
-#define DSI_HS_CTRL_GEN_SHORT_W1                        (0x13)
-#define DSI_HS_CTRL_GEN_SHORT_W2                        (0x23)
-#define DSI_HS_CTRL_GEN_R0                              (0x04)
-#define DSI_HS_CTRL_GEN_R1                              (0x14)
-#define DSI_HS_CTRL_GEN_R2                              (0x24)
-#define DSI_HS_CTRL_GEN_LONG_W                          (0x29)
-#define DSI_HS_CTRL_MCS_SHORT_W0                        (0x05)
-#define DSI_HS_CTRL_MCS_SHORT_W1                        (0x15)
-#define DSI_HS_CTRL_MCS_R0                              (0x06)
-#define DSI_HS_CTRL_MCS_LONG_W                          (0x39)
-#define DSI_HS_CTRL_VC_OFFSET                           (0x06)
-#define DSI_HS_CTRL_WC_OFFSET                           (0x08)
-
-#define DSI_FIFO_GEN_HS_DATA_FULL                       (1 << 0)
-#define DSI_FIFO_GEN_HS_DATA_HALF_EMPTY                 (1 << 1)
-#define DSI_FIFO_GEN_HS_DATA_EMPTY                      (1 << 2)
-#define DSI_FIFO_GEN_LP_DATA_FULL                       (1 << 8)
-#define DSI_FIFO_GEN_LP_DATA_HALF_EMPTY                 (1 << 9)
-#define DSI_FIFO_GEN_LP_DATA_EMPTY                      (1 << 10)
-#define DSI_FIFO_GEN_HS_CTRL_FULL                       (1 << 16)
-#define DSI_FIFO_GEN_HS_CTRL_HALF_EMPTY                 (1 << 17)
-#define DSI_FIFO_GEN_HS_CTRL_EMPTY                      (1 << 18)
-#define DSI_FIFO_GEN_LP_CTRL_FULL                       (1 << 24)
-#define DSI_FIFO_GEN_LP_CTRL_HALF_EMPTY                 (1 << 25)
-#define DSI_FIFO_GEN_LP_CTRL_EMPTY                      (1 << 26)
-#define DSI_FIFO_DBI_EMPTY                              (1 << 27)
-#define DSI_FIFO_DPI_EMPTY                              (1 << 28)
-
-#define DSI_DBI_HS_LP_SWITCH_MASK                       (0x1)
-
-#define DSI_HS_LP_SWITCH_COUNTER_OFFSET                 (0x0)
-#define DSI_LP_HS_SWITCH_COUNTER_OFFSET                 (0x16)
-
-#define DSI_DPI_CTRL_HS_SHUTDOWN                        (0x00000001)
-#define DSI_DPI_CTRL_HS_TURN_ON                         (0x00000002)
-
-/* Medfield DSI adapter registers */
-#define MIPIA_CONTROL_REG                               0xb104
-#define MIPIA_DATA_ADD_REG                              0xb108
-#define MIPIA_DATA_LEN_REG                              0xb10c
-#define MIPIA_CMD_ADD_REG                               0xb110
-#define MIPIA_CMD_LEN_REG                               0xb114
-
-/*dsi power modes*/
-#define DSI_POWER_MODE_DISPLAY_ON       (1 << 2)
-#define DSI_POWER_MODE_NORMAL_ON        (1 << 3)
-#define DSI_POWER_MODE_SLEEP_OUT        (1 << 4)
-#define DSI_POWER_MODE_PARTIAL_ON       (1 << 5)
-#define DSI_POWER_MODE_IDLE_ON          (1 << 6)
-
-enum {
-        MDFLD_DSI_ENCODER_DBI = 0,
-        MDFLD_DSI_ENCODER_DPI,
-};
-
-enum {
-        MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_PULSE = 1,
-        MDFLD_DSI_VIDEO_NON_BURST_MODE_SYNC_EVENTS = 2,
-        MDFLD_DSI_VIDEO_BURST_MODE = 3,
-};
-
-#define DSI_DPI_COMPLETE_LAST_LINE                      (1 << 2)
-#define DSI_DPI_DISABLE_BTA                             (1 << 3)
-/* Panel types */
-enum {
-        TPO_CMD,
-        TPO_VID,
-        TMD_CMD,
-        TMD_VID,
-        PYR_CMD,
-        PYR_VID,
-        TPO,
-        TMD,
-        PYR,
-        HDMI,
-        GCT_DETECT
-};
-
-/* Junk that belongs elsewhere */
-#define TPO_PANEL_WIDTH         84
-#define TPO_PANEL_HEIGHT        46
-#define TMD_PANEL_WIDTH         39
-#define TMD_PANEL_HEIGHT        71
-#define PYR_PANEL_WIDTH         53
-#define PYR_PANEL_HEIGHT        95
-
-/* Panel interface */
-struct panel_info {
-        u32 width_mm;
-        u32 height_mm;
-};
-
-struct mdfld_dsi_dbi_output;
-
-struct mdfld_dsi_connector_state {
-        u32 mipi_ctrl_reg;
-};
-
-struct mdfld_dsi_encoder_state {
-
-};
-
-struct mdfld_dsi_connector {
-        /*
-         * This is ugly, but I have to use connector in it! :-(
-         * FIXME: use drm_connector instead.
-         */
-        struct psb_intel_output base;
-
-        int pipe;
-        void *private;
-        void *pkg_sender;
-
-        /* Connection status */
-        enum drm_connector_status status;
-};
-
-struct mdfld_dsi_encoder {
-        struct drm_encoder base;
-        void *private;
-};
-
-/*
- * DSI config, consists of one DSI connector, two DSI encoders.
- * DRM will pick up on DSI encoder basing on differents configs.
- */
-struct mdfld_dsi_config {
-        struct drm_device *dev;
-        struct drm_display_mode *fixed_mode;
-        struct drm_display_mode *mode;
-
-        struct mdfld_dsi_connector *connector;
-        struct mdfld_dsi_encoder *encoders[DRM_CONNECTOR_MAX_ENCODER];
-        struct mdfld_dsi_encoder *encoder;
-
-        int changed;
-
-        int bpp;
-        int type;
-        int lane_count;
-        /*Virtual channel number for this encoder*/
-        int channel_num;
-        /*video mode configure*/
-        int video_mode;
-
-        int dvr_ic_inited;
-};
-
-#define MDFLD_DSI_CONNECTOR(psb_output) \
-                (container_of(psb_output, struct mdfld_dsi_connector, base))
-
-#define MDFLD_DSI_ENCODER(encoder) \
-                (container_of(encoder, struct mdfld_dsi_encoder, base))
-
-struct panel_funcs {
-        const struct drm_encoder_funcs *encoder_funcs;
-        const struct drm_encoder_helper_funcs *encoder_helper_funcs;
-        struct drm_display_mode *(*get_config_mode) (struct drm_device *);
-        void (*update_fb) (struct mdfld_dsi_dbi_output *, int);
-        int (*get_panel_info) (struct drm_device *, int, struct panel_info *);
-        int (*reset)(int pipe);
-        void (*drv_ic_init)(struct mdfld_dsi_config *dsi_config, int pipe);
-};
-
diff --git a/drivers/staging/gma500/mid_bios.c b/drivers/staging/gma500/mid_bios.c
deleted file mode 100644
index ee3c0368e320..000000000000
--- a/drivers/staging/gma500/mid_bios.c
+++ /dev/null
@@ -1,270 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-/* TODO
- * - Split functions by vbt type
- * - Make them all take drm_device
- * - Check ioremap failures
- */
-
-#include <linux/moduleparam.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "mid_bios.h"
-#include "mdfld_output.h"
-
-static int panel_id = GCT_DETECT;
-module_param_named(panel_id, panel_id, int, 0600);
-MODULE_PARM_DESC(panel_id, "Panel Identifier");
-
-
-static void mid_get_fuse_settings(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        uint32_t fuse_value = 0;
-        uint32_t fuse_value_tmp = 0;
-
-#define FB_REG06 0xD0810600
-#define FB_MIPI_DISABLE  (1 << 11)
-#define FB_REG09 0xD0810900
-#define FB_REG09 0xD0810900
-#define FB_SKU_MASK  0x7000
-#define FB_SKU_SHIFT 12
-#define FB_SKU_100 0
-#define FB_SKU_100L 1
-#define FB_SKU_83 2
-        pci_write_config_dword(pci_root, 0xD0, FB_REG06);
-        pci_read_config_dword(pci_root, 0xD4, &fuse_value);
-
-        /* FB_MIPI_DISABLE doesn't mean LVDS on with Medfield */
-        if (IS_MRST(dev))
-                dev_priv->iLVDS_enable = fuse_value & FB_MIPI_DISABLE;
-
-        DRM_INFO("internal display is %s\n",
-                 dev_priv->iLVDS_enable ? "LVDS display" : "MIPI display");
-
-         /* Prevent runtime suspend at start*/
-         if (dev_priv->iLVDS_enable) {
-                dev_priv->is_lvds_on = true;
-                dev_priv->is_mipi_on = false;
-        } else {
-                dev_priv->is_mipi_on = true;
-                dev_priv->is_lvds_on = false;
-        }
-
-        dev_priv->video_device_fuse = fuse_value;
-
-        pci_write_config_dword(pci_root, 0xD0, FB_REG09);
-        pci_read_config_dword(pci_root, 0xD4, &fuse_value);
-
-        dev_dbg(dev->dev, "SKU values is 0x%x.\n", fuse_value);
-        fuse_value_tmp = (fuse_value & FB_SKU_MASK) >> FB_SKU_SHIFT;
-
-        dev_priv->fuse_reg_value = fuse_value;
-
-        switch (fuse_value_tmp) {
-        case FB_SKU_100:
-                dev_priv->core_freq = 200;
-                break;
-        case FB_SKU_100L:
-                dev_priv->core_freq = 100;
-                break;
-        case FB_SKU_83:
-                dev_priv->core_freq = 166;
-                break;
-        default:
-                dev_warn(dev->dev, "Invalid SKU values, SKU value = 0x%08x\n",
-                                                                fuse_value_tmp);
-                dev_priv->core_freq = 0;
-        }
-        dev_dbg(dev->dev, "LNC core clk is %dMHz.\n", dev_priv->core_freq);
-        pci_dev_put(pci_root);
-}
-
-/*
- *      Get the revison ID, B0:D2:F0;0x08
- */
-static void mid_get_pci_revID(struct drm_psb_private *dev_priv)
-{
-        uint32_t platform_rev_id = 0;
-        struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
-
-        pci_read_config_dword(pci_gfx_root, 0x08, &platform_rev_id);
-        dev_priv->platform_rev_id = (uint8_t) platform_rev_id;
-        pci_dev_put(pci_gfx_root);
-        dev_dbg(dev_priv->dev->dev, "platform_rev_id is %x\n",
-                                        dev_priv->platform_rev_id);
-}
-
-static void mid_get_vbt_data(struct drm_psb_private *dev_priv)
-{
-        struct drm_device *dev = dev_priv->dev;
-        struct mrst_vbt *vbt = &dev_priv->vbt_data;
-        u32 addr;
-        u16 new_size;
-        u8 *vbt_virtual;
-        u8 bpi;
-        u8 number_desc = 0;
-        struct mrst_timing_info *dp_ti = &dev_priv->gct_data.DTD;
-        struct gct_r10_timing_info ti;
-        void *pGCT;
-        struct pci_dev *pci_gfx_root = pci_get_bus_and_slot(0, PCI_DEVFN(2, 0));
-
-        /* Get the address of the platform config vbt, B0:D2:F0;0xFC */
-        pci_read_config_dword(pci_gfx_root, 0xFC, &addr);
-        pci_dev_put(pci_gfx_root);
-
-        dev_dbg(dev->dev, "drm platform config address is %x\n", addr);
-
-        /* check for platform config address == 0. */
-        /* this means fw doesn't support vbt */
-
-        if (addr == 0) {
-                vbt->size = 0;
-                return;
-        }
-
-        /* get the virtual address of the vbt */
-        vbt_virtual = ioremap(addr, sizeof(*vbt));
-
-        memcpy(vbt, vbt_virtual, sizeof(*vbt));
-        iounmap(vbt_virtual); /* Free virtual address space */
-
-        dev_dbg(dev->dev, "GCT revision is %x\n", vbt->revision);
-
-        switch (vbt->revision) {
-        case 0:
-                vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4,
-                                        vbt->size - sizeof(*vbt) + 4);
-                pGCT = vbt->mrst_gct;
-                bpi = ((struct mrst_gct_v1 *)pGCT)->PD.BootPanelIndex;
-                dev_priv->gct_data.bpi = bpi;
-                dev_priv->gct_data.pt =
-                        ((struct mrst_gct_v1 *)pGCT)->PD.PanelType;
-                memcpy(&dev_priv->gct_data.DTD,
-                        &((struct mrst_gct_v1 *)pGCT)->panel[bpi].DTD,
-                                sizeof(struct mrst_timing_info));
-                dev_priv->gct_data.Panel_Port_Control =
-                  ((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_Port_Control;
-                dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-                        ((struct mrst_gct_v1 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor;
-                break;
-        case 1:
-                vbt->mrst_gct = ioremap(addr + sizeof(*vbt) - 4,
-                                        vbt->size - sizeof(*vbt) + 4);
-                pGCT = vbt->mrst_gct;
-                bpi = ((struct mrst_gct_v2 *)pGCT)->PD.BootPanelIndex;
-                dev_priv->gct_data.bpi = bpi;
-                dev_priv->gct_data.pt =
-                        ((struct mrst_gct_v2 *)pGCT)->PD.PanelType;
-                memcpy(&dev_priv->gct_data.DTD,
-                        &((struct mrst_gct_v2 *)pGCT)->panel[bpi].DTD,
-                                sizeof(struct mrst_timing_info));
-                dev_priv->gct_data.Panel_Port_Control =
-                  ((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_Port_Control;
-                dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-                        ((struct mrst_gct_v2 *)pGCT)->panel[bpi].Panel_MIPI_Display_Descriptor;
-                break;
-        case 0x10:
-                /*header definition changed from rev 01 (v2) to rev 10h. */
-                /*so, some values have changed location*/
-                new_size = vbt->checksum; /*checksum contains lo size byte*/
-                /*LSB of mrst_gct contains hi size byte*/
-                new_size |= ((0xff & (unsigned int)vbt->mrst_gct)) << 8;
-
-                vbt->checksum = vbt->size; /*size contains the checksum*/
-                if (new_size > 0xff)
-                        vbt->size = 0xff; /*restrict size to 255*/
-                else
-                        vbt->size = new_size;
-
-                /* number of descriptors defined in the GCT */
-                number_desc = ((0xff00 & (unsigned int)vbt->mrst_gct)) >> 8;
-                bpi = ((0xff0000 & (unsigned int)vbt->mrst_gct)) >> 16;
-                vbt->mrst_gct = ioremap(addr + GCT_R10_HEADER_SIZE,
-                                GCT_R10_DISPLAY_DESC_SIZE * number_desc);
-                pGCT = vbt->mrst_gct;
-                pGCT = (u8 *)pGCT + (bpi*GCT_R10_DISPLAY_DESC_SIZE);
-                dev_priv->gct_data.bpi = bpi; /*save boot panel id*/
-
-                /*copy the GCT display timings into a temp structure*/
-                memcpy(&ti, pGCT, sizeof(struct gct_r10_timing_info));
-
-                /*now copy the temp struct into the dev_priv->gct_data*/
-                dp_ti->pixel_clock = ti.pixel_clock;
-                dp_ti->hactive_hi = ti.hactive_hi;
-                dp_ti->hactive_lo = ti.hactive_lo;
-                dp_ti->hblank_hi = ti.hblank_hi;
-                dp_ti->hblank_lo = ti.hblank_lo;
-                dp_ti->hsync_offset_hi = ti.hsync_offset_hi;
-                dp_ti->hsync_offset_lo = ti.hsync_offset_lo;
-                dp_ti->hsync_pulse_width_hi = ti.hsync_pulse_width_hi;
-                dp_ti->hsync_pulse_width_lo = ti.hsync_pulse_width_lo;
-                dp_ti->vactive_hi = ti.vactive_hi;
-                dp_ti->vactive_lo = ti.vactive_lo;
-                dp_ti->vblank_hi = ti.vblank_hi;
-                dp_ti->vblank_lo = ti.vblank_lo;
-                dp_ti->vsync_offset_hi = ti.vsync_offset_hi;
-                dp_ti->vsync_offset_lo = ti.vsync_offset_lo;
-                dp_ti->vsync_pulse_width_hi = ti.vsync_pulse_width_hi;
-                dp_ti->vsync_pulse_width_lo = ti.vsync_pulse_width_lo;
-
-                /* Move the MIPI_Display_Descriptor data from GCT to dev priv */
-                dev_priv->gct_data.Panel_MIPI_Display_Descriptor =
-                                                        *((u8 *)pGCT + 0x0d);
-                dev_priv->gct_data.Panel_MIPI_Display_Descriptor |=
-                                                (*((u8 *)pGCT + 0x0e)) << 8;
-                break;
-        default:
-                dev_err(dev->dev, "Unknown revision of GCT!\n");
-                vbt->size = 0;
-        }
-        if (IS_MFLD(dev_priv->dev)) {
-                if (panel_id == GCT_DETECT) {
-                        if (dev_priv->gct_data.bpi == 2) {
-                                dev_info(dev->dev, "[GFX] PYR Panel Detected\n");
-                                dev_priv->panel_id = PYR_CMD;
-                                panel_id = PYR_CMD;
-                        } else if (dev_priv->gct_data.bpi == 0) {
-                                dev_info(dev->dev, "[GFX] TMD Panel Detected.\n");
-                                dev_priv->panel_id = TMD_VID;
-                                panel_id = TMD_VID;
-                        } else {
-                                dev_info(dev->dev, "[GFX] Default Panel (TPO)\n");
-                                dev_priv->panel_id = TPO_CMD;
-                                panel_id = TPO_CMD;
-                        }
-                } else {
-                        dev_info(dev->dev, "[GFX] Panel Parameter Passed in through cmd line\n");
-                        dev_priv->panel_id = panel_id;
-                }
-        }
-}
-
-int mid_chip_setup(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        mid_get_fuse_settings(dev);
-        mid_get_vbt_data(dev_priv);
-        mid_get_pci_revID(dev_priv);
-        return 0;
-}
diff --git a/drivers/staging/gma500/mid_bios.h b/drivers/staging/gma500/mid_bios.h
deleted file mode 100644
index 00e7d564b7eb..000000000000
--- a/drivers/staging/gma500/mid_bios.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-extern int mid_chip_setup(struct drm_device *dev);
-
diff --git a/drivers/staging/gma500/mmu.c b/drivers/staging/gma500/mmu.c
deleted file mode 100644
index c904d73b1de3..000000000000
--- a/drivers/staging/gma500/mmu.c
+++ /dev/null
@@ -1,858 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-
-/*
- * Code for the SGX MMU:
- */
-
-/*
- * clflush on one processor only:
- * clflush should apparently flush the cache line on all processors in an
- * SMP system.
- */
-
-/*
- * kmap atomic:
- * The usage of the slots must be completely encapsulated within a spinlock, and
- * no other functions that may be using the locks for other purposed may be
- * called from within the locked region.
- * Since the slots are per processor, this will guarantee that we are the only
- * user.
- */
-
-/*
- * TODO: Inserting ptes from an interrupt handler:
- * This may be desirable for some SGX functionality where the GPU can fault in
- * needed pages. For that, we need to make an atomic insert_pages function, that
- * may fail.
- * If it fails, the caller need to insert the page using a workqueue function,
- * but on average it should be fast.
- */
-
-struct psb_mmu_driver {
-        /* protects driver- and pd structures. Always take in read mode
-         * before taking the page table spinlock.
-         */
-        struct rw_semaphore sem;
-
-        /* protects page tables, directory tables and pt tables.
-         * and pt structures.
-         */
-        spinlock_t lock;
-
-        atomic_t needs_tlbflush;
-
-        uint8_t __iomem *register_map;
-        struct psb_mmu_pd *default_pd;
-        /*uint32_t bif_ctrl;*/
-        int has_clflush;
-        int clflush_add;
-        unsigned long clflush_mask;
-
-        struct drm_psb_private *dev_priv;
-};
-
-struct psb_mmu_pd;
-
-struct psb_mmu_pt {
-        struct psb_mmu_pd *pd;
-        uint32_t index;
-        uint32_t count;
-        struct page *p;
-        uint32_t *v;
-};
-
-struct psb_mmu_pd {
-        struct psb_mmu_driver *driver;
-        int hw_context;
-        struct psb_mmu_pt **tables;
-        struct page *p;
-        struct page *dummy_pt;
-        struct page *dummy_page;
-        uint32_t pd_mask;
-        uint32_t invalid_pde;
-        uint32_t invalid_pte;
-};
-
-static inline uint32_t psb_mmu_pt_index(uint32_t offset)
-{
-        return (offset >> PSB_PTE_SHIFT) & 0x3FF;
-}
-
-static inline uint32_t psb_mmu_pd_index(uint32_t offset)
-{
-        return offset >> PSB_PDE_SHIFT;
-}
-
-static inline void psb_clflush(void *addr)
-{
-        __asm__ __volatile__("clflush (%0)\n" : : "r"(addr) : "memory");
-}
-
-static inline void psb_mmu_clflush(struct psb_mmu_driver *driver,
-                                   void *addr)
-{
-        if (!driver->has_clflush)
-                return;
-
-        mb();
-        psb_clflush(addr);
-        mb();
-}
-
-static void psb_page_clflush(struct psb_mmu_driver *driver, struct page* page)
-{
-        uint32_t clflush_add = driver->clflush_add >> PAGE_SHIFT;
-        uint32_t clflush_count = PAGE_SIZE / clflush_add;
-        int i;
-        uint8_t *clf;
-
-        clf = kmap_atomic(page, KM_USER0);
-        mb();
-        for (i = 0; i < clflush_count; ++i) {
-                psb_clflush(clf);
-                clf += clflush_add;
-        }
-        mb();
-        kunmap_atomic(clf, KM_USER0);
-}
-
-static void psb_pages_clflush(struct psb_mmu_driver *driver,
-                                struct page *page[], unsigned long num_pages)
-{
-        int i;
-
-        if (!driver->has_clflush)
-                return ;
-
-        for (i = 0; i < num_pages; i++)
-                psb_page_clflush(driver, *page++);
-}
-
-static void psb_mmu_flush_pd_locked(struct psb_mmu_driver *driver,
-                                    int force)
-{
-        atomic_set(&driver->needs_tlbflush, 0);
-}
-
-static void psb_mmu_flush_pd(struct psb_mmu_driver *driver, int force)
-{
-        down_write(&driver->sem);
-        psb_mmu_flush_pd_locked(driver, force);
-        up_write(&driver->sem);
-}
-
-void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot)
-{
-        if (rc_prot)
-                down_write(&driver->sem);
-        if (rc_prot)
-                up_write(&driver->sem);
-}
-
-void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context)
-{
-        /*ttm_tt_cache_flush(&pd->p, 1);*/
-        psb_pages_clflush(pd->driver, &pd->p, 1);
-        down_write(&pd->driver->sem);
-        wmb();
-        psb_mmu_flush_pd_locked(pd->driver, 1);
-        pd->hw_context = hw_context;
-        up_write(&pd->driver->sem);
-
-}
-
-static inline unsigned long psb_pd_addr_end(unsigned long addr,
-                                            unsigned long end)
-{
-
-        addr = (addr + PSB_PDE_MASK + 1) & ~PSB_PDE_MASK;
-        return (addr < end) ? addr : end;
-}
-
-static inline uint32_t psb_mmu_mask_pte(uint32_t pfn, int type)
-{
-        uint32_t mask = PSB_PTE_VALID;
-
-        if (type & PSB_MMU_CACHED_MEMORY)
-                mask |= PSB_PTE_CACHED;
-        if (type & PSB_MMU_RO_MEMORY)
-                mask |= PSB_PTE_RO;
-        if (type & PSB_MMU_WO_MEMORY)
-                mask |= PSB_PTE_WO;
-
-        return (pfn << PAGE_SHIFT) | mask;
-}
-
-struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
-                                    int trap_pagefaults, int invalid_type)
-{
-        struct psb_mmu_pd *pd = kmalloc(sizeof(*pd), GFP_KERNEL);
-        uint32_t *v;
-        int i;
-
-        if (!pd)
-                return NULL;
-
-        pd->p = alloc_page(GFP_DMA32);
-        if (!pd->p)
-                goto out_err1;
-        pd->dummy_pt = alloc_page(GFP_DMA32);
-        if (!pd->dummy_pt)
-                goto out_err2;
-        pd->dummy_page = alloc_page(GFP_DMA32);
-        if (!pd->dummy_page)
-                goto out_err3;
-
-        if (!trap_pagefaults) {
-                pd->invalid_pde =
-                    psb_mmu_mask_pte(page_to_pfn(pd->dummy_pt),
-                                     invalid_type);
-                pd->invalid_pte =
-                    psb_mmu_mask_pte(page_to_pfn(pd->dummy_page),
-                                     invalid_type);
-        } else {
-                pd->invalid_pde = 0;
-                pd->invalid_pte = 0;
-        }
-
-        v = kmap(pd->dummy_pt);
-        for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-                v[i] = pd->invalid_pte;
-
-        kunmap(pd->dummy_pt);
-
-        v = kmap(pd->p);
-        for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-                v[i] = pd->invalid_pde;
-
-        kunmap(pd->p);
-
-        clear_page(kmap(pd->dummy_page));
-        kunmap(pd->dummy_page);
-
-        pd->tables = vmalloc_user(sizeof(struct psb_mmu_pt *) * 1024);
-        if (!pd->tables)
-                goto out_err4;
-
-        pd->hw_context = -1;
-        pd->pd_mask = PSB_PTE_VALID;
-        pd->driver = driver;
-
-        return pd;
-
-out_err4:
-        __free_page(pd->dummy_page);
-out_err3:
-        __free_page(pd->dummy_pt);
-out_err2:
-        __free_page(pd->p);
-out_err1:
-        kfree(pd);
-        return NULL;
-}
-
-void psb_mmu_free_pt(struct psb_mmu_pt *pt)
-{
-        __free_page(pt->p);
-        kfree(pt);
-}
-
-void psb_mmu_free_pagedir(struct psb_mmu_pd *pd)
-{
-        struct psb_mmu_driver *driver = pd->driver;
-        struct psb_mmu_pt *pt;
-        int i;
-
-        down_write(&driver->sem);
-        if (pd->hw_context != -1)
-                psb_mmu_flush_pd_locked(driver, 1);
-
-        /* Should take the spinlock here, but we don't need to do that
-           since we have the semaphore in write mode. */
-
-        for (i = 0; i < 1024; ++i) {
-                pt = pd->tables[i];
-                if (pt)
-                        psb_mmu_free_pt(pt);
-        }
-
-        vfree(pd->tables);
-        __free_page(pd->dummy_page);
-        __free_page(pd->dummy_pt);
-        __free_page(pd->p);
-        kfree(pd);
-        up_write(&driver->sem);
-}
-
-static struct psb_mmu_pt *psb_mmu_alloc_pt(struct psb_mmu_pd *pd)
-{
-        struct psb_mmu_pt *pt = kmalloc(sizeof(*pt), GFP_KERNEL);
-        void *v;
-        uint32_t clflush_add = pd->driver->clflush_add >> PAGE_SHIFT;
-        uint32_t clflush_count = PAGE_SIZE / clflush_add;
-        spinlock_t *lock = &pd->driver->lock;
-        uint8_t *clf;
-        uint32_t *ptes;
-        int i;
-
-        if (!pt)
-                return NULL;
-
-        pt->p = alloc_page(GFP_DMA32);
-        if (!pt->p) {
-                kfree(pt);
-                return NULL;
-        }
-
-        spin_lock(lock);
-
-        v = kmap_atomic(pt->p, KM_USER0);
-        clf = (uint8_t *) v;
-        ptes = (uint32_t *) v;
-        for (i = 0; i < (PAGE_SIZE / sizeof(uint32_t)); ++i)
-                *ptes++ = pd->invalid_pte;
-
-
-        if (pd->driver->has_clflush && pd->hw_context != -1) {
-                mb();
-                for (i = 0; i < clflush_count; ++i) {
-                        psb_clflush(clf);
-                        clf += clflush_add;
-                }
-                mb();
-        }
-
-        kunmap_atomic(v, KM_USER0);
-        spin_unlock(lock);
-
-        pt->count = 0;
-        pt->pd = pd;
-        pt->index = 0;
-
-        return pt;
-}
-
-struct psb_mmu_pt *psb_mmu_pt_alloc_map_lock(struct psb_mmu_pd *pd,
-                                             unsigned long addr)
-{
-        uint32_t index = psb_mmu_pd_index(addr);
-        struct psb_mmu_pt *pt;
-        uint32_t *v;
-        spinlock_t *lock = &pd->driver->lock;
-
-        spin_lock(lock);
-        pt = pd->tables[index];
-        while (!pt) {
-                spin_unlock(lock);
-                pt = psb_mmu_alloc_pt(pd);
-                if (!pt)
-                        return NULL;
-                spin_lock(lock);
-
-                if (pd->tables[index]) {
-                        spin_unlock(lock);
-                        psb_mmu_free_pt(pt);
-                        spin_lock(lock);
-                        pt = pd->tables[index];
-                        continue;
-                }
-
-                v = kmap_atomic(pd->p, KM_USER0);
-                pd->tables[index] = pt;
-                v[index] = (page_to_pfn(pt->p) << 12) | pd->pd_mask;
-                pt->index = index;
-                kunmap_atomic((void *) v, KM_USER0);
-
-                if (pd->hw_context != -1) {
-                        psb_mmu_clflush(pd->driver, (void *) &v[index]);
-                        atomic_set(&pd->driver->needs_tlbflush, 1);
-                }
-        }
-        pt->v = kmap_atomic(pt->p, KM_USER0);
-        return pt;
-}
-
-static struct psb_mmu_pt *psb_mmu_pt_map_lock(struct psb_mmu_pd *pd,
-                                              unsigned long addr)
-{
-        uint32_t index = psb_mmu_pd_index(addr);
-        struct psb_mmu_pt *pt;
-        spinlock_t *lock = &pd->driver->lock;
-
-        spin_lock(lock);
-        pt = pd->tables[index];
-        if (!pt) {
-                spin_unlock(lock);
-                return NULL;
-        }
-        pt->v = kmap_atomic(pt->p, KM_USER0);
-        return pt;
-}
-
-static void psb_mmu_pt_unmap_unlock(struct psb_mmu_pt *pt)
-{
-        struct psb_mmu_pd *pd = pt->pd;
-        uint32_t *v;
-
-        kunmap_atomic(pt->v, KM_USER0);
-        if (pt->count == 0) {
-                v = kmap_atomic(pd->p, KM_USER0);
-                v[pt->index] = pd->invalid_pde;
-                pd->tables[pt->index] = NULL;
-
-                if (pd->hw_context != -1) {
-                        psb_mmu_clflush(pd->driver,
-                                        (void *) &v[pt->index]);
-                        atomic_set(&pd->driver->needs_tlbflush, 1);
-                }
-                kunmap_atomic(pt->v, KM_USER0);
-                spin_unlock(&pd->driver->lock);
-                psb_mmu_free_pt(pt);
-                return;
-        }
-        spin_unlock(&pd->driver->lock);
-}
-
-static inline void psb_mmu_set_pte(struct psb_mmu_pt *pt,
-                                   unsigned long addr, uint32_t pte)
-{
-        pt->v[psb_mmu_pt_index(addr)] = pte;
-}
-
-static inline void psb_mmu_invalidate_pte(struct psb_mmu_pt *pt,
-                                          unsigned long addr)
-{
-        pt->v[psb_mmu_pt_index(addr)] = pt->pd->invalid_pte;
-}
-
-
-void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd,
-                        uint32_t mmu_offset, uint32_t gtt_start,
-                        uint32_t gtt_pages)
-{
-        uint32_t *v;
-        uint32_t start = psb_mmu_pd_index(mmu_offset);
-        struct psb_mmu_driver *driver = pd->driver;
-        int num_pages = gtt_pages;
-
-        down_read(&driver->sem);
-        spin_lock(&driver->lock);
-
-        v = kmap_atomic(pd->p, KM_USER0);
-        v += start;
-
-        while (gtt_pages--) {
-                *v++ = gtt_start | pd->pd_mask;
-                gtt_start += PAGE_SIZE;
-        }
-
-        /*ttm_tt_cache_flush(&pd->p, num_pages);*/
-        psb_pages_clflush(pd->driver, &pd->p, num_pages);
-        kunmap_atomic(v, KM_USER0);
-        spin_unlock(&driver->lock);
-
-        if (pd->hw_context != -1)
-                atomic_set(&pd->driver->needs_tlbflush, 1);
-
-        up_read(&pd->driver->sem);
-        psb_mmu_flush_pd(pd->driver, 0);
-}
-
-struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver *driver)
-{
-        struct psb_mmu_pd *pd;
-
-        /* down_read(&driver->sem); */
-        pd = driver->default_pd;
-        /* up_read(&driver->sem); */
-
-        return pd;
-}
-
-/* Returns the physical address of the PD shared by sgx/msvdx */
-uint32_t psb_get_default_pd_addr(struct psb_mmu_driver *driver)
-{
-        struct psb_mmu_pd *pd;
-
-        pd = psb_mmu_get_default_pd(driver);
-        return page_to_pfn(pd->p) << PAGE_SHIFT;
-}
-
-void psb_mmu_driver_takedown(struct psb_mmu_driver *driver)
-{
-        psb_mmu_free_pagedir(driver->default_pd);
-        kfree(driver);
-}
-
-struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
-                                        int trap_pagefaults,
-                                        int invalid_type,
-                                        struct drm_psb_private *dev_priv)
-{
-        struct psb_mmu_driver *driver;
-
-        driver = kmalloc(sizeof(*driver), GFP_KERNEL);
-
-        if (!driver)
-                return NULL;
-        driver->dev_priv = dev_priv;
-
-        driver->default_pd = psb_mmu_alloc_pd(driver, trap_pagefaults,
-                                              invalid_type);
-        if (!driver->default_pd)
-                goto out_err1;
-
-        spin_lock_init(&driver->lock);
-        init_rwsem(&driver->sem);
-        down_write(&driver->sem);
-        driver->register_map = registers;
-        atomic_set(&driver->needs_tlbflush, 1);
-
-        driver->has_clflush = 0;
-
-        if (boot_cpu_has(X86_FEATURE_CLFLSH)) {
-                uint32_t tfms, misc, cap0, cap4, clflush_size;
-
-                /*
-                 * clflush size is determined at kernel setup for x86_64
-                 *  but not for i386. We have to do it here.
-                 */
-
-                cpuid(0x00000001, &tfms, &misc, &cap0, &cap4);
-                clflush_size = ((misc >> 8) & 0xff) * 8;
-                driver->has_clflush = 1;
-                driver->clflush_add =
-                    PAGE_SIZE * clflush_size / sizeof(uint32_t);
-                driver->clflush_mask = driver->clflush_add - 1;
-                driver->clflush_mask = ~driver->clflush_mask;
-        }
-
-        up_write(&driver->sem);
-        return driver;
-
-out_err1:
-        kfree(driver);
-        return NULL;
-}
-
-static void psb_mmu_flush_ptes(struct psb_mmu_pd *pd,
-                               unsigned long address, uint32_t num_pages,
-                               uint32_t desired_tile_stride,
-                               uint32_t hw_tile_stride)
-{
-        struct psb_mmu_pt *pt;
-        uint32_t rows = 1;
-        uint32_t i;
-        unsigned long addr;
-        unsigned long end;
-        unsigned long next;
-        unsigned long add;
-        unsigned long row_add;
-        unsigned long clflush_add = pd->driver->clflush_add;
-        unsigned long clflush_mask = pd->driver->clflush_mask;
-
-        if (!pd->driver->has_clflush) {
-                /*ttm_tt_cache_flush(&pd->p, num_pages);*/
-                psb_pages_clflush(pd->driver, &pd->p, num_pages);
-                return;
-        }
-
-        if (hw_tile_stride)
-                rows = num_pages / desired_tile_stride;
-        else
-                desired_tile_stride = num_pages;
-
-        add = desired_tile_stride << PAGE_SHIFT;
-        row_add = hw_tile_stride << PAGE_SHIFT;
-        mb();
-        for (i = 0; i < rows; ++i) {
-
-                addr = address;
-                end = addr + add;
-
-                do {
-                        next = psb_pd_addr_end(addr, end);
-                        pt = psb_mmu_pt_map_lock(pd, addr);
-                        if (!pt)
-                                continue;
-                        do {
-                                psb_clflush(&pt->v
-                                            [psb_mmu_pt_index(addr)]);
-                        } while (addr +=
-                                 clflush_add,
-                                 (addr & clflush_mask) < next);
-
-                        psb_mmu_pt_unmap_unlock(pt);
-                } while (addr = next, next != end);
-                address += row_add;
-        }
-        mb();
-}
-
-void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
-                                 unsigned long address, uint32_t num_pages)
-{
-        struct psb_mmu_pt *pt;
-        unsigned long addr;
-        unsigned long end;
-        unsigned long next;
-        unsigned long f_address = address;
-
-        down_read(&pd->driver->sem);
-
-        addr = address;
-        end = addr + (num_pages << PAGE_SHIFT);
-
-        do {
-                next = psb_pd_addr_end(addr, end);
-                pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-                if (!pt)
-                        goto out;
-                do {
-                        psb_mmu_invalidate_pte(pt, addr);
-                        --pt->count;
-                } while (addr += PAGE_SIZE, addr < next);
-                psb_mmu_pt_unmap_unlock(pt);
-
-        } while (addr = next, next != end);
-
-out:
-        if (pd->hw_context != -1)
-                psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
-
-        up_read(&pd->driver->sem);
-
-        if (pd->hw_context != -1)
-                psb_mmu_flush(pd->driver, 0);
-
-        return;
-}
-
-void psb_mmu_remove_pages(struct psb_mmu_pd *pd, unsigned long address,
-                          uint32_t num_pages, uint32_t desired_tile_stride,
-                          uint32_t hw_tile_stride)
-{
-        struct psb_mmu_pt *pt;
-        uint32_t rows = 1;
-        uint32_t i;
-        unsigned long addr;
-        unsigned long end;
-        unsigned long next;
-        unsigned long add;
-        unsigned long row_add;
-        unsigned long f_address = address;
-
-        if (hw_tile_stride)
-                rows = num_pages / desired_tile_stride;
-        else
-                desired_tile_stride = num_pages;
-
-        add = desired_tile_stride << PAGE_SHIFT;
-        row_add = hw_tile_stride << PAGE_SHIFT;
-
-        /* down_read(&pd->driver->sem); */
-
-        /* Make sure we only need to flush this processor's cache */
-
-        for (i = 0; i < rows; ++i) {
-
-                addr = address;
-                end = addr + add;
-
-                do {
-                        next = psb_pd_addr_end(addr, end);
-                        pt = psb_mmu_pt_map_lock(pd, addr);
-                        if (!pt)
-                                continue;
-                        do {
-                                psb_mmu_invalidate_pte(pt, addr);
-                                --pt->count;
-
-                        } while (addr += PAGE_SIZE, addr < next);
-                        psb_mmu_pt_unmap_unlock(pt);
-
-                } while (addr = next, next != end);
-                address += row_add;
-        }
-        if (pd->hw_context != -1)
-                psb_mmu_flush_ptes(pd, f_address, num_pages,
-                                   desired_tile_stride, hw_tile_stride);
-
-        /* up_read(&pd->driver->sem); */
-
-        if (pd->hw_context != -1)
-                psb_mmu_flush(pd->driver, 0);
-}
-
-int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd, uint32_t start_pfn,
-                                unsigned long address, uint32_t num_pages,
-                                int type)
-{
-        struct psb_mmu_pt *pt;
-        uint32_t pte;
-        unsigned long addr;
-        unsigned long end;
-        unsigned long next;
-        unsigned long f_address = address;
-        int ret = 0;
-
-        down_read(&pd->driver->sem);
-
-        addr = address;
-        end = addr + (num_pages << PAGE_SHIFT);
-
-        do {
-                next = psb_pd_addr_end(addr, end);
-                pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-                if (!pt) {
-                        ret = -ENOMEM;
-                        goto out;
-                }
-                do {
-                        pte = psb_mmu_mask_pte(start_pfn++, type);
-                        psb_mmu_set_pte(pt, addr, pte);
-                        pt->count++;
-                } while (addr += PAGE_SIZE, addr < next);
-                psb_mmu_pt_unmap_unlock(pt);
-
-        } while (addr = next, next != end);
-
-out:
-        if (pd->hw_context != -1)
-                psb_mmu_flush_ptes(pd, f_address, num_pages, 1, 1);
-
-        up_read(&pd->driver->sem);
-
-        if (pd->hw_context != -1)
-                psb_mmu_flush(pd->driver, 1);
-
-        return ret;
-}
-
-int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
-                         unsigned long address, uint32_t num_pages,
-                         uint32_t desired_tile_stride,
-                         uint32_t hw_tile_stride, int type)
-{
-        struct psb_mmu_pt *pt;
-        uint32_t rows = 1;
-        uint32_t i;
-        uint32_t pte;
-        unsigned long addr;
-        unsigned long end;
-        unsigned long next;
-        unsigned long add;
-        unsigned long row_add;
-        unsigned long f_address = address;
-        int ret = 0;
-
-        if (hw_tile_stride) {
-                if (num_pages % desired_tile_stride != 0)
-                        return -EINVAL;
-                rows = num_pages / desired_tile_stride;
-        } else {
-                desired_tile_stride = num_pages;
-        }
-
-        add = desired_tile_stride << PAGE_SHIFT;
-        row_add = hw_tile_stride << PAGE_SHIFT;
-
-        down_read(&pd->driver->sem);
-
-        for (i = 0; i < rows; ++i) {
-
-                addr = address;
-                end = addr + add;
-
-                do {
-                        next = psb_pd_addr_end(addr, end);
-                        pt = psb_mmu_pt_alloc_map_lock(pd, addr);
-                        if (!pt) {
-                                ret = -ENOMEM;
-                                goto out;
-                        }
-                        do {
-                                pte =
-                                    psb_mmu_mask_pte(page_to_pfn(*pages++),
-                                                     type);
-                                psb_mmu_set_pte(pt, addr, pte);
-                                pt->count++;
-                        } while (addr += PAGE_SIZE, addr < next);
-                        psb_mmu_pt_unmap_unlock(pt);
-
-                } while (addr = next, next != end);
-
-                address += row_add;
-        }
-out:
-        if (pd->hw_context != -1)
-                psb_mmu_flush_ptes(pd, f_address, num_pages,
-                                   desired_tile_stride, hw_tile_stride);
-
-        up_read(&pd->driver->sem);
-
-        if (pd->hw_context != -1)
-                psb_mmu_flush(pd->driver, 1);
-
-        return ret;
-}
-
-int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
-                           unsigned long *pfn)
-{
-        int ret;
-        struct psb_mmu_pt *pt;
-        uint32_t tmp;
-        spinlock_t *lock = &pd->driver->lock;
-
-        down_read(&pd->driver->sem);
-        pt = psb_mmu_pt_map_lock(pd, virtual);
-        if (!pt) {
-                uint32_t *v;
-
-                spin_lock(lock);
-                v = kmap_atomic(pd->p, KM_USER0);
-                tmp = v[psb_mmu_pd_index(virtual)];
-                kunmap_atomic(v, KM_USER0);
-                spin_unlock(lock);
-
-                if (tmp != pd->invalid_pde || !(tmp & PSB_PTE_VALID) ||
-                    !(pd->invalid_pte & PSB_PTE_VALID)) {
-                        ret = -EINVAL;
-                        goto out;
-                }
-                ret = 0;
-                *pfn = pd->invalid_pte >> PAGE_SHIFT;
-                goto out;
-        }
-        tmp = pt->v[psb_mmu_pt_index(virtual)];
-        if (!(tmp & PSB_PTE_VALID)) {
-                ret = -EINVAL;
-        } else {
-                ret = 0;
-                *pfn = tmp >> PAGE_SHIFT;
-        }
-        psb_mmu_pt_unmap_unlock(pt);
-out:
-        up_read(&pd->driver->sem);
-        return ret;
-}
diff --git a/drivers/staging/gma500/mrst.h b/drivers/staging/gma500/mrst.h
deleted file mode 100644
index b563dbc73104..000000000000
--- a/drivers/staging/gma500/mrst.h
+++ /dev/null
@@ -1,252 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-/* MID device specific descriptors */
-
-struct mrst_vbt {
-        s8 signature[4];        /*4 bytes,"$GCT" */
-        u8 revision;
-        u8 size;
-        u8 checksum;
-        void *mrst_gct;
-} __packed;
-
-struct mrst_timing_info {
-        u16 pixel_clock;
-        u8 hactive_lo;
-        u8 hblank_lo;
-        u8 hblank_hi:4;
-        u8 hactive_hi:4;
-        u8 vactive_lo;
-        u8 vblank_lo;
-        u8 vblank_hi:4;
-        u8 vactive_hi:4;
-        u8 hsync_offset_lo;
-        u8 hsync_pulse_width_lo;
-        u8 vsync_pulse_width_lo:4;
-        u8 vsync_offset_lo:4;
-        u8 vsync_pulse_width_hi:2;
-        u8 vsync_offset_hi:2;
-        u8 hsync_pulse_width_hi:2;
-        u8 hsync_offset_hi:2;
-        u8 width_mm_lo;
-        u8 height_mm_lo;
-        u8 height_mm_hi:4;
-        u8 width_mm_hi:4;
-        u8 hborder;
-        u8 vborder;
-        u8 unknown0:1;
-        u8 hsync_positive:1;
-        u8 vsync_positive:1;
-        u8 separate_sync:2;
-        u8 stereo:1;
-        u8 unknown6:1;
-        u8 interlaced:1;
-} __packed;
-
-struct gct_r10_timing_info {
-        u16 pixel_clock;
-        u32 hactive_lo:8;
-        u32 hactive_hi:4;
-        u32 hblank_lo:8;
-        u32 hblank_hi:4;
-        u32 hsync_offset_lo:8;
-        u16 hsync_offset_hi:2;
-        u16 hsync_pulse_width_lo:8;
-        u16 hsync_pulse_width_hi:2;
-        u16 hsync_positive:1;
-        u16 rsvd_1:3;
-        u8  vactive_lo:8;
-        u16 vactive_hi:4;
-        u16 vblank_lo:8;
-        u16 vblank_hi:4;
-        u16 vsync_offset_lo:4;
-        u16 vsync_offset_hi:2;
-        u16 vsync_pulse_width_lo:4;
-        u16 vsync_pulse_width_hi:2;
-        u16 vsync_positive:1;
-        u16 rsvd_2:3;
-} __packed;
-
-struct mrst_panel_descriptor_v1 {
-        u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
-                                /* 0x61190 if MIPI */
-        u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
-        u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-        u32 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 dword */
-                                                /* Register 0x61210 */
-        struct mrst_timing_info DTD;/*18 bytes, Standard definition */
-        u16 Panel_Backlight_Inverter_Descriptor;/* 16 bits, as follows */
-                                /* Bit 0, Frequency, 15 bits,0 - 32767Hz */
-                        /* Bit 15, Polarity, 1 bit, 0: Normal, 1: Inverted */
-        u16 Panel_MIPI_Display_Descriptor;
-                        /*16 bits, Defined as follows: */
-                        /* if MIPI, 0x0000 if LVDS */
-                        /* Bit 0, Type, 2 bits, */
-                        /* 0: Type-1, */
-                        /* 1: Type-2, */
-                        /* 2: Type-3, */
-                        /* 3: Type-4 */
-                        /* Bit 2, Pixel Format, 4 bits */
-                        /* Bit0: 16bpp (not supported in LNC), */
-                        /* Bit1: 18bpp loosely packed, */
-                        /* Bit2: 18bpp packed, */
-                        /* Bit3: 24bpp */
-                        /* Bit 6, Reserved, 2 bits, 00b */
-                        /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
-                        /* Bit 14, Reserved, 2 bits, 00b */
-} __packed;
-
-struct mrst_panel_descriptor_v2 {
-        u32 Panel_Port_Control; /* 1 dword, Register 0x61180 if LVDS */
-                                /* 0x61190 if MIPI */
-        u32 Panel_Power_On_Sequencing;/*1 dword,Register 0x61208,*/
-        u32 Panel_Power_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-        u8 Panel_Power_Cycle_Delay_and_Reference_Divisor;/* 1 byte */
-                                                /* Register 0x61210 */
-        struct mrst_timing_info DTD;/*18 bytes, Standard definition */
-        u16 Panel_Backlight_Inverter_Descriptor;/*16 bits, as follows*/
-                                /*Bit 0, Frequency, 16 bits, 0 - 32767Hz*/
-        u8 Panel_Initial_Brightness;/* [7:0] 0 - 100% */
-                        /*Bit 7, Polarity, 1 bit,0: Normal, 1: Inverted*/
-        u16 Panel_MIPI_Display_Descriptor;
-                        /*16 bits, Defined as follows: */
-                        /* if MIPI, 0x0000 if LVDS */
-                        /* Bit 0, Type, 2 bits, */
-                        /* 0: Type-1, */
-                        /* 1: Type-2, */
-                        /* 2: Type-3, */
-                        /* 3: Type-4 */
-                        /* Bit 2, Pixel Format, 4 bits */
-                        /* Bit0: 16bpp (not supported in LNC), */
-                        /* Bit1: 18bpp loosely packed, */
-                        /* Bit2: 18bpp packed, */
-                        /* Bit3: 24bpp */
-                        /* Bit 6, Reserved, 2 bits, 00b */
-                        /* Bit 8, Minimum Supported Frame Rate, 6 bits, 0 - 63Hz */
-                        /* Bit 14, Reserved, 2 bits, 00b */
-} __packed;
-
-union mrst_panel_rx {
-        struct {
-                u16 NumberOfLanes:2; /*Num of Lanes, 2 bits,0 = 1 lane,*/
-                        /* 1 = 2 lanes, 2 = 3 lanes, 3 = 4 lanes. */
-                u16 MaxLaneFreq:3; /* 0: 100MHz, 1: 200MHz, 2: 300MHz, */
-                /*3: 400MHz, 4: 500MHz, 5: 600MHz, 6: 700MHz, 7: 800MHz.*/
-                u16 SupportedVideoTransferMode:2; /*0: Non-burst only */
-                                        /* 1: Burst and non-burst */
-                                        /* 2/3: Reserved */
-                u16 HSClkBehavior:1; /*0: Continuous, 1: Non-continuous*/
-                u16 DuoDisplaySupport:1; /*1 bit,0: No, 1: Yes*/
-                u16 ECC_ChecksumCapabilities:1;/*1 bit,0: No, 1: Yes*/
-                u16 BidirectionalCommunication:1;/*1 bit,0: No, 1: Yes */
-                u16 Rsvd:5;/*5 bits,00000b */
-        } panelrx;
-        u16 panel_receiver;
-} __packed;
-
-struct mrst_gct_v1 {
-        union { /*8 bits,Defined as follows: */
-                struct {
-                        u8 PanelType:4; /*4 bits, Bit field for panels*/
-                                        /* 0 - 3: 0 = LVDS, 1 = MIPI*/
-                                        /*2 bits,Specifies which of the*/
-                        u8 BootPanelIndex:2;
-                                        /* 4 panels to use by default*/
-                        u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
-                                        /* the 4 MIPI DSI receivers to use*/
-                } PD;
-                u8 PanelDescriptor;
-        };
-        struct mrst_panel_descriptor_v1 panel[4];/*panel descrs,38 bytes each*/
-        union mrst_panel_rx panelrx[4]; /* panel receivers*/
-} __packed;
-
-struct mrst_gct_v2 {
-        union { /*8 bits,Defined as follows: */
-                struct {
-                        u8 PanelType:4; /*4 bits, Bit field for panels*/
-                                        /* 0 - 3: 0 = LVDS, 1 = MIPI*/
-                                        /*2 bits,Specifies which of the*/
-                        u8 BootPanelIndex:2;
-                                        /* 4 panels to use by default*/
-                        u8 BootMIPI_DSI_RxIndex:2;/*Specifies which of*/
-                                        /* the 4 MIPI DSI receivers to use*/
-                } PD;
-                u8 PanelDescriptor;
-        };
-        struct mrst_panel_descriptor_v2 panel[4];/*panel descrs,38 bytes each*/
-        union mrst_panel_rx panelrx[4]; /* panel receivers*/
-} __packed;
-
-struct mrst_gct_data {
-        u8 bpi; /* boot panel index, number of panel used during boot */
-        u8 pt; /* panel type, 4 bit field, 0=lvds, 1=mipi */
-        struct mrst_timing_info DTD; /* timing info for the selected panel */
-        u32 Panel_Port_Control;
-        u32 PP_On_Sequencing;/*1 dword,Register 0x61208,*/
-        u32 PP_Off_Sequencing;/*1 dword,Register 0x6120C,*/
-        u32 PP_Cycle_Delay;
-        u16 Panel_Backlight_Inverter_Descriptor;
-        u16 Panel_MIPI_Display_Descriptor;
-} __packed;
-
-#define MODE_SETTING_IN_CRTC            0x1
-#define MODE_SETTING_IN_ENCODER         0x2
-#define MODE_SETTING_ON_GOING           0x3
-#define MODE_SETTING_IN_DSR             0x4
-#define MODE_SETTING_ENCODER_DONE       0x8
-
-#define GCT_R10_HEADER_SIZE             16
-#define GCT_R10_DISPLAY_DESC_SIZE       28
-
-/*
- *      Moorestown HDMI interfaces
- */
-
-struct mrst_hdmi_dev {
-        struct pci_dev *dev;
-        void __iomem *regs;
-        unsigned int mmio, mmio_len;
-        int dpms_mode;
-        struct hdmi_i2c_dev *i2c_dev;
-
-        /* register state */
-        u32 saveDPLL_CTRL;
-        u32 saveDPLL_DIV_CTRL;
-        u32 saveDPLL_ADJUST;
-        u32 saveDPLL_UPDATE;
-        u32 saveDPLL_CLK_ENABLE;
-        u32 savePCH_HTOTAL_B;
-        u32 savePCH_HBLANK_B;
-        u32 savePCH_HSYNC_B;
-        u32 savePCH_VTOTAL_B;
-        u32 savePCH_VBLANK_B;
-        u32 savePCH_VSYNC_B;
-        u32 savePCH_PIPEBCONF;
-        u32 savePCH_PIPEBSRC;
-};
-
-extern void mrst_hdmi_setup(struct drm_device *dev);
-extern void mrst_hdmi_teardown(struct drm_device *dev);
-extern int  mrst_hdmi_i2c_init(struct pci_dev *dev);
-extern void mrst_hdmi_i2c_exit(struct pci_dev *dev);
-extern void mrst_hdmi_save(struct drm_device *dev);
-extern void mrst_hdmi_restore(struct drm_device *dev);
-extern void mrst_hdmi_init(struct drm_device *dev, struct psb_intel_mode_device *mode_dev);
diff --git a/drivers/staging/gma500/mrst_crtc.c b/drivers/staging/gma500/mrst_crtc.c
deleted file mode 100644
index 980837e37d80..000000000000
--- a/drivers/staging/gma500/mrst_crtc.c
+++ /dev/null
@@ -1,604 +0,0 @@
-/*
- * Copyright © 2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-
-struct psb_intel_range_t {
-        int min, max;
-};
-
-struct mrst_limit_t {
-        struct psb_intel_range_t dot, m, p1;
-};
-
-struct mrst_clock_t {
-        /* derived values */
-        int dot;
-        int m;
-        int p1;
-};
-
-#define MRST_LIMIT_LVDS_100L        0
-#define MRST_LIMIT_LVDS_83          1
-#define MRST_LIMIT_LVDS_100         2
-
-#define MRST_DOT_MIN              19750
-#define MRST_DOT_MAX              120000
-#define MRST_M_MIN_100L             20
-#define MRST_M_MIN_100              10
-#define MRST_M_MIN_83               12
-#define MRST_M_MAX_100L             34
-#define MRST_M_MAX_100              17
-#define MRST_M_MAX_83               20
-#define MRST_P1_MIN                 2
-#define MRST_P1_MAX_0               7
-#define MRST_P1_MAX_1               8
-
-static const struct mrst_limit_t mrst_limits[] = {
-        {                       /* MRST_LIMIT_LVDS_100L */
-         .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-         .m = {.min = MRST_M_MIN_100L, .max = MRST_M_MAX_100L},
-         .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
-         },
-        {                       /* MRST_LIMIT_LVDS_83L */
-         .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-         .m = {.min = MRST_M_MIN_83, .max = MRST_M_MAX_83},
-         .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_0},
-         },
-        {                       /* MRST_LIMIT_LVDS_100 */
-         .dot = {.min = MRST_DOT_MIN, .max = MRST_DOT_MAX},
-         .m = {.min = MRST_M_MIN_100, .max = MRST_M_MAX_100},
-         .p1 = {.min = MRST_P1_MIN, .max = MRST_P1_MAX_1},
-         },
-};
-
-#define MRST_M_MIN          10
-static const u32 mrst_m_converts[] = {
-        0x2B, 0x15, 0x2A, 0x35, 0x1A, 0x0D, 0x26, 0x33, 0x19, 0x2C,
-        0x36, 0x3B, 0x1D, 0x2E, 0x37, 0x1B, 0x2D, 0x16, 0x0B, 0x25,
-        0x12, 0x09, 0x24, 0x32, 0x39, 0x1c,
-};
-
-static const struct mrst_limit_t *mrst_limit(struct drm_crtc *crtc)
-{
-        const struct mrst_limit_t *limit = NULL;
-        struct drm_device *dev = crtc->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)
-            || psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_MIPI)) {
-                switch (dev_priv->core_freq) {
-                case 100:
-                        limit = &mrst_limits[MRST_LIMIT_LVDS_100L];
-                        break;
-                case 166:
-                        limit = &mrst_limits[MRST_LIMIT_LVDS_83];
-                        break;
-                case 200:
-                        limit = &mrst_limits[MRST_LIMIT_LVDS_100];
-                        break;
-                }
-        } else {
-                limit = NULL;
-                dev_err(dev->dev, "mrst_limit Wrong display type.\n");
-        }
-
-        return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-static void mrst_clock(int refclk, struct mrst_clock_t *clock)
-{
-        clock->dot = (refclk * clock->m) / (14 * clock->p1);
-}
-
-void mrstPrintPll(char *prefix, struct mrst_clock_t *clock)
-{
-        pr_debug("%s: dotclock = %d,  m = %d, p1 = %d.\n",
-             prefix, clock->dot, clock->m, clock->p1);
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given refclk,
- * or FALSE.  Divisor values are the actual divisors for
- */
-static bool
-mrstFindBestPLL(struct drm_crtc *crtc, int target, int refclk,
-                struct mrst_clock_t *best_clock)
-{
-        struct mrst_clock_t clock;
-        const struct mrst_limit_t *limit = mrst_limit(crtc);
-        int err = target;
-
-        memset(best_clock, 0, sizeof(*best_clock));
-
-        for (clock.m = limit->m.min; clock.m <= limit->m.max; clock.m++) {
-                for (clock.p1 = limit->p1.min; clock.p1 <= limit->p1.max;
-                     clock.p1++) {
-                        int this_err;
-
-                        mrst_clock(refclk, &clock);
-
-                        this_err = abs(clock.dot - target);
-                        if (this_err < err) {
-                                *best_clock = clock;
-                                err = this_err;
-                        }
-                }
-        }
-        dev_dbg(crtc->dev->dev, "mrstFindBestPLL err = %d.\n", err);
-        return err != target;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void mrst_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        int dspbase_reg = (pipe == 0) ? MRST_DSPABASE : DSPBBASE;
-        int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-        u32 temp;
-        bool enabled;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-        /* XXX: When our outputs are all unaware of DPMS modes other than off
-         * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-         */
-        switch (mode) {
-        case DRM_MODE_DPMS_ON:
-        case DRM_MODE_DPMS_STANDBY:
-        case DRM_MODE_DPMS_SUSPEND:
-                /* Enable the DPLL */
-                temp = REG_READ(dpll_reg);
-                if ((temp & DPLL_VCO_ENABLE) == 0) {
-                        REG_WRITE(dpll_reg, temp);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                        REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                        REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                }
-                /* Enable the pipe */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) == 0)
-                        REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-                /* Enable the plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-                        REG_WRITE(dspcntr_reg,
-                                  temp | DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                }
-
-                psb_intel_crtc_load_lut(crtc);
-
-                /* Give the overlay scaler a chance to enable
-                   if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, true); TODO */
-                break;
-        case DRM_MODE_DPMS_OFF:
-                /* Give the overlay scaler a chance to disable
-                 * if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-                /* Disable the VGA plane that we never use */
-                REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-                /* Disable display plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-                        REG_WRITE(dspcntr_reg,
-                                  temp & ~DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                        REG_READ(dspbase_reg);
-                }
-
-                /* Next, disable display pipes */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) != 0) {
-                        REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-                        REG_READ(pipeconf_reg);
-                }
-                /* Wait for for the pipe disable to take effect. */
-                psb_intel_wait_for_vblank(dev);
-
-                temp = REG_READ(dpll_reg);
-                if ((temp & DPLL_VCO_ENABLE) != 0) {
-                        REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                }
-
-                /* Wait for the clocks to turn off. */
-                udelay(150);
-                break;
-        }
-
-        enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-        /*Set FIFO Watermarks*/
-        REG_WRITE(DSPARB, 0x3FFF);
-        REG_WRITE(DSPFW1, 0x3F88080A);
-        REG_WRITE(DSPFW2, 0x0b060808);
-        REG_WRITE(DSPFW3, 0x0);
-        REG_WRITE(DSPFW4, 0x08030404);
-        REG_WRITE(DSPFW5, 0x04040404);
-        REG_WRITE(DSPFW6, 0x78);
-        REG_WRITE(0x70400, REG_READ(0x70400) | 0x4000);
-        /* Must write Bit 14 of the Chicken Bit Register */
-
-        gma_power_end(dev);
-}
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int mrst_panel_fitter_pipe(struct drm_device *dev)
-{
-        u32 pfit_control;
-
-        pfit_control = REG_READ(PFIT_CONTROL);
-
-        /* See if the panel fitter is in use */
-        if ((pfit_control & PFIT_ENABLE) == 0)
-                return -1;
-        return (pfit_control >> 29) & 3;
-}
-
-static int mrst_crtc_mode_set(struct drm_crtc *crtc,
-                              struct drm_display_mode *mode,
-                              struct drm_display_mode *adjusted_mode,
-                              int x, int y,
-                              struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int pipe = psb_intel_crtc->pipe;
-        int fp_reg = (pipe == 0) ? MRST_FPA0 : FPB0;
-        int dpll_reg = (pipe == 0) ? MRST_DPLL_A : DPLL_B;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-        int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-        int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-        int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-        int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-        int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-        int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-        int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-        int refclk = 0;
-        struct mrst_clock_t clock;
-        u32 dpll = 0, fp = 0, dspcntr, pipeconf;
-        bool ok, is_sdvo = false;
-        bool is_crt = false, is_lvds = false, is_tv = false;
-        bool is_mipi = false;
-        struct drm_mode_config *mode_config = &dev->mode_config;
-        struct psb_intel_output *psb_intel_output = NULL;
-        uint64_t scalingType = DRM_MODE_SCALE_FULLSCREEN;
-        struct drm_encoder *encoder;
-
-        if (!gma_power_begin(dev, true))
-                return 0;
-
-        memcpy(&psb_intel_crtc->saved_mode,
-                mode,
-                sizeof(struct drm_display_mode));
-        memcpy(&psb_intel_crtc->saved_adjusted_mode,
-                adjusted_mode,
-                sizeof(struct drm_display_mode));
-
-        list_for_each_entry(encoder, &mode_config->encoder_list, head) {
-
-                if (encoder->crtc != crtc)
-                        continue;
-
-                psb_intel_output = enc_to_psb_intel_output(encoder);
-                switch (psb_intel_output->type) {
-                case INTEL_OUTPUT_LVDS:
-                        is_lvds = true;
-                        break;
-                case INTEL_OUTPUT_SDVO:
-                        is_sdvo = true;
-                        break;
-                case INTEL_OUTPUT_TVOUT:
-                        is_tv = true;
-                        break;
-                case INTEL_OUTPUT_ANALOG:
-                        is_crt = true;
-                        break;
-                case INTEL_OUTPUT_MIPI:
-                        is_mipi = true;
-                        break;
-                }
-        }
-
-        /* Disable the VGA plane that we never use */
-        REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-        /* Disable the panel fitter if it was on our pipe */
-        if (mrst_panel_fitter_pipe(dev) == pipe)
-                REG_WRITE(PFIT_CONTROL, 0);
-
-        REG_WRITE(pipesrc_reg,
-                  ((mode->crtc_hdisplay - 1) << 16) |
-                  (mode->crtc_vdisplay - 1));
-
-        if (psb_intel_output)
-                drm_connector_property_get_value(&psb_intel_output->base,
-                        dev->mode_config.scaling_mode_property, &scalingType);
-
-        if (scalingType == DRM_MODE_SCALE_NO_SCALE) {
-                /* Moorestown doesn't have register support for centering so
-                 * we need to mess with the h/vblank and h/vsync start and
-                 * ends to get centering */
-                int offsetX = 0, offsetY = 0;
-
-                offsetX = (adjusted_mode->crtc_hdisplay -
-                           mode->crtc_hdisplay) / 2;
-                offsetY = (adjusted_mode->crtc_vdisplay -
-                           mode->crtc_vdisplay) / 2;
-
-                REG_WRITE(htot_reg, (mode->crtc_hdisplay - 1) |
-                        ((adjusted_mode->crtc_htotal - 1) << 16));
-                REG_WRITE(vtot_reg, (mode->crtc_vdisplay - 1) |
-                        ((adjusted_mode->crtc_vtotal - 1) << 16));
-                REG_WRITE(hblank_reg,
-                        (adjusted_mode->crtc_hblank_start - offsetX - 1) |
-                        ((adjusted_mode->crtc_hblank_end - offsetX - 1) << 16));
-                REG_WRITE(hsync_reg,
-                        (adjusted_mode->crtc_hsync_start - offsetX - 1) |
-                        ((adjusted_mode->crtc_hsync_end - offsetX - 1) << 16));
-                REG_WRITE(vblank_reg,
-                        (adjusted_mode->crtc_vblank_start - offsetY - 1) |
-                        ((adjusted_mode->crtc_vblank_end - offsetY - 1) << 16));
-                REG_WRITE(vsync_reg,
-                        (adjusted_mode->crtc_vsync_start - offsetY - 1) |
-                        ((adjusted_mode->crtc_vsync_end - offsetY - 1) << 16));
-        } else {
-                REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-                        ((adjusted_mode->crtc_htotal - 1) << 16));
-                REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-                        ((adjusted_mode->crtc_vtotal - 1) << 16));
-                REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-                        ((adjusted_mode->crtc_hblank_end - 1) << 16));
-                REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-                        ((adjusted_mode->crtc_hsync_end - 1) << 16));
-                REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-                        ((adjusted_mode->crtc_vblank_end - 1) << 16));
-                REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-                        ((adjusted_mode->crtc_vsync_end - 1) << 16));
-        }
-
-        /* Flush the plane changes */
-        {
-                struct drm_crtc_helper_funcs *crtc_funcs =
-                    crtc->helper_private;
-                crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-        }
-
-        /* setup pipeconf */
-        pipeconf = REG_READ(pipeconf_reg);
-
-        /* Set up the display plane register */
-        dspcntr = REG_READ(dspcntr_reg);
-        dspcntr |= DISPPLANE_GAMMA_ENABLE;
-
-        if (pipe == 0)
-                dspcntr |= DISPPLANE_SEL_PIPE_A;
-        else
-                dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-        dev_priv->dspcntr = dspcntr |= DISPLAY_PLANE_ENABLE;
-        dev_priv->pipeconf = pipeconf |= PIPEACONF_ENABLE;
-
-        if (is_mipi)
-                goto mrst_crtc_mode_set_exit;
-
-        refclk = dev_priv->core_freq * 1000;
-
-        dpll = 0;               /*BIT16 = 0 for 100MHz reference */
-
-        ok = mrstFindBestPLL(crtc, adjusted_mode->clock, refclk, &clock);
-
-        if (!ok) {
-                dev_dbg(dev->dev, "mrstFindBestPLL fail in mrst_crtc_mode_set.\n");
-        } else {
-                dev_dbg(dev->dev, "mrst_crtc_mode_set pixel clock = %d,"
-                         "m = %x, p1 = %x.\n", clock.dot, clock.m,
-                         clock.p1);
-        }
-
-        fp = mrst_m_converts[(clock.m - MRST_M_MIN)] << 8;
-
-        dpll |= DPLL_VGA_MODE_DIS;
-
-
-        dpll |= DPLL_VCO_ENABLE;
-
-        if (is_lvds)
-                dpll |= DPLLA_MODE_LVDS;
-        else
-                dpll |= DPLLB_MODE_DAC_SERIAL;
-
-        if (is_sdvo) {
-                int sdvo_pixel_multiply =
-                    adjusted_mode->clock / mode->clock;
-
-                dpll |= DPLL_DVO_HIGH_SPEED;
-                dpll |=
-                    (sdvo_pixel_multiply -
-                     1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-        }
-
-
-        /* compute bitmask from p1 value */
-        dpll |= (1 << (clock.p1 - 2)) << 17;
-
-        dpll |= DPLL_VCO_ENABLE;
-
-        mrstPrintPll("chosen", &clock);
-
-        if (dpll & DPLL_VCO_ENABLE) {
-                REG_WRITE(fp_reg, fp);
-                REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
-                REG_READ(dpll_reg);
-                /* Check the DPLLA lock bit PIPEACONF[29] */
-                udelay(150);
-        }
-
-        REG_WRITE(fp_reg, fp);
-        REG_WRITE(dpll_reg, dpll);
-        REG_READ(dpll_reg);
-        /* Wait for the clocks to stabilize. */
-        udelay(150);
-
-        /* write it again -- the BIOS does, after all */
-        REG_WRITE(dpll_reg, dpll);
-        REG_READ(dpll_reg);
-        /* Wait for the clocks to stabilize. */
-        udelay(150);
-
-        REG_WRITE(pipeconf_reg, pipeconf);
-        REG_READ(pipeconf_reg);
-        psb_intel_wait_for_vblank(dev);
-
-        REG_WRITE(dspcntr_reg, dspcntr);
-        psb_intel_wait_for_vblank(dev);
-
-mrst_crtc_mode_set_exit:
-        gma_power_end(dev);
-        return 0;
-}
-
-static bool mrst_crtc_mode_fixup(struct drm_crtc *crtc,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        return true;
-}
-
-int mrst_pipe_set_base(struct drm_crtc *crtc,
-                            int x, int y, struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-        int pipe = psb_intel_crtc->pipe;
-        unsigned long start, offset;
-
-        int dspbase = (pipe == 0 ? DSPALINOFF : DSPBBASE);
-        int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-        int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        u32 dspcntr;
-        int ret = 0;
-
-        /* no fb bound */
-        if (!crtc->fb) {
-                dev_dbg(dev->dev, "No FB bound\n");
-                return 0;
-        }
-
-        if (!gma_power_begin(dev, true))
-                return 0;
-
-        start = psbfb->gtt->offset;
-        offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-        REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-        dspcntr = REG_READ(dspcntr_reg);
-        dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-        switch (crtc->fb->bits_per_pixel) {
-        case 8:
-                dspcntr |= DISPPLANE_8BPP;
-                break;
-        case 16:
-                if (crtc->fb->depth == 15)
-                        dspcntr |= DISPPLANE_15_16BPP;
-                else
-                        dspcntr |= DISPPLANE_16BPP;
-                break;
-        case 24:
-        case 32:
-                dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-                break;
-        default:
-                dev_err(dev->dev, "Unknown color depth\n");
-                ret = -EINVAL;
-                goto pipe_set_base_exit;
-        }
-        REG_WRITE(dspcntr_reg, dspcntr);
-
-        REG_WRITE(dspbase, offset);
-        REG_READ(dspbase);
-        REG_WRITE(dspsurf, start);
-        REG_READ(dspsurf);
-
-pipe_set_base_exit:
-        gma_power_end(dev);
-        return ret;
-}
-
-static void mrst_crtc_prepare(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void mrst_crtc_commit(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-const struct drm_crtc_helper_funcs mrst_helper_funcs = {
-        .dpms = mrst_crtc_dpms,
-        .mode_fixup = mrst_crtc_mode_fixup,
-        .mode_set = mrst_crtc_mode_set,
-        .mode_set_base = mrst_pipe_set_base,
-        .prepare = mrst_crtc_prepare,
-        .commit = mrst_crtc_commit,
-};
-
diff --git a/drivers/staging/gma500/mrst_device.c b/drivers/staging/gma500/mrst_device.c
deleted file mode 100644
index 6707fafbfa1e..000000000000
--- a/drivers/staging/gma500/mrst_device.c
+++ /dev/null
@@ -1,634 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <linux/module.h>
-#include <linux/dmi.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <asm/mrst.h>
-#include <asm/intel_scu_ipc.h>
-#include "mid_bios.h"
-
-static int devtype;
-
-module_param_named(type, devtype, int, 0600);
-MODULE_PARM_DESC(type, "Moorestown/Oaktrail device type");
-
-#define DEVICE_MOORESTOWN               1
-#define DEVICE_OAKTRAIL                 2
-#define DEVICE_MOORESTOWN_MM            3
-
-static int mrst_device_ident(struct drm_device *dev)
-{
-        /* User forced */
-        if (devtype)
-                return devtype;
-        if (dmi_match(DMI_PRODUCT_NAME, "OakTrail") ||
-                dmi_match(DMI_PRODUCT_NAME, "OakTrail platform"))
-                return DEVICE_OAKTRAIL;
-#if defined(CONFIG_X86_MRST)
-        if (dmi_match(DMI_PRODUCT_NAME, "MM") ||
-                dmi_match(DMI_PRODUCT_NAME, "MM 10"))
-                return DEVICE_MOORESTOWN_MM;
-        if (mrst_identify_cpu())
-                return DEVICE_MOORESTOWN;
-#endif
-        return DEVICE_OAKTRAIL;
-}
-
-
-/* IPC message and command defines used to enable/disable mipi panel voltages */
-#define IPC_MSG_PANEL_ON_OFF    0xE9
-#define IPC_CMD_PANEL_ON        1
-#define IPC_CMD_PANEL_OFF       0
-
-static int mrst_output_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        if (dev_priv->iLVDS_enable)
-                mrst_lvds_init(dev, &dev_priv->mode_dev);
-        else
-                dev_err(dev->dev, "DSI is not supported\n");
-        if (dev_priv->hdmi_priv)
-                mrst_hdmi_init(dev, &dev_priv->mode_dev);
-        return 0;
-}
-
-/*
- *      Provide the low level interfaces for the Moorestown backlight
- */
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-#define MRST_BLC_MAX_PWM_REG_FREQ           0xFFFF
-#define BLC_PWM_PRECISION_FACTOR 100    /* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-#define BLC_ADJUSTMENT_MAX 100
-
-static struct backlight_device *mrst_backlight_device;
-static int mrst_brightness;
-
-static int mrst_set_brightness(struct backlight_device *bd)
-{
-        struct drm_device *dev = bl_get_data(mrst_backlight_device);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int level = bd->props.brightness;
-        u32 blc_pwm_ctl;
-        u32 max_pwm_blc;
-
-        /* Percentage 1-100% being valid */
-        if (level < 1)
-                level = 1;
-
-        if (gma_power_begin(dev, 0)) {
-                /* Calculate and set the brightness value */
-                max_pwm_blc = REG_READ(BLC_PWM_CTL) >> 16;
-                blc_pwm_ctl = level * max_pwm_blc / 100;
-
-                /* Adjust the backlight level with the percent in
-                 * dev_priv->blc_adj1;
-                 */
-                blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj1;
-                blc_pwm_ctl = blc_pwm_ctl / 100;
-
-                /* Adjust the backlight level with the percent in
-                 * dev_priv->blc_adj2;
-                 */
-                blc_pwm_ctl = blc_pwm_ctl * dev_priv->blc_adj2;
-                blc_pwm_ctl = blc_pwm_ctl / 100;
-
-                /* force PWM bit on */
-                REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
-                REG_WRITE(BLC_PWM_CTL, (max_pwm_blc << 16) | blc_pwm_ctl);
-                gma_power_end(dev);
-        }
-        mrst_brightness = level;
-        return 0;
-}
-
-static int mrst_get_brightness(struct backlight_device *bd)
-{
-        /* return locally cached var instead of HW read (due to DPST etc.) */
-        /* FIXME: ideally return actual value in case firmware fiddled with
-           it */
-        return mrst_brightness;
-}
-
-static int device_backlight_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long core_clock;
-        u16 bl_max_freq;
-        uint32_t value;
-        uint32_t blc_pwm_precision_factor;
-
-        dev_priv->blc_adj1 = BLC_ADJUSTMENT_MAX;
-        dev_priv->blc_adj2 = BLC_ADJUSTMENT_MAX;
-        bl_max_freq = 256;
-        /* this needs to be set elsewhere */
-        blc_pwm_precision_factor = BLC_PWM_PRECISION_FACTOR;
-
-        core_clock = dev_priv->core_freq;
-
-        value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-        value *= blc_pwm_precision_factor;
-        value /= bl_max_freq;
-        value /= blc_pwm_precision_factor;
-
-        if (value > (unsigned long long)MRST_BLC_MAX_PWM_REG_FREQ)
-                        return -ERANGE;
-
-        if (gma_power_begin(dev, false)) {
-                REG_WRITE(BLC_PWM_CTL2, (0x80000000 | REG_READ(BLC_PWM_CTL2)));
-                REG_WRITE(BLC_PWM_CTL, value | (value << 16));
-                gma_power_end(dev);
-        }
-        return 0;
-}
-
-static const struct backlight_ops mrst_ops = {
-        .get_brightness = mrst_get_brightness,
-        .update_status  = mrst_set_brightness,
-};
-
-int mrst_backlight_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int ret;
-        struct backlight_properties props;
-
-        memset(&props, 0, sizeof(struct backlight_properties));
-        props.max_brightness = 100;
-        props.type = BACKLIGHT_PLATFORM;
-
-        mrst_backlight_device = backlight_device_register("mrst-bl",
-                                        NULL, (void *)dev, &mrst_ops, &props);
-
-        if (IS_ERR(mrst_backlight_device))
-                return PTR_ERR(mrst_backlight_device);
-
-        ret = device_backlight_init(dev);
-        if (ret < 0) {
-                backlight_device_unregister(mrst_backlight_device);
-                return ret;
-        }
-        mrst_backlight_device->props.brightness = 100;
-        mrst_backlight_device->props.max_brightness = 100;
-        backlight_update_status(mrst_backlight_device);
-        dev_priv->backlight_device = mrst_backlight_device;
-        return 0;
-}
-
-#endif
-
-/*
- *      Provide the Moorestown specific chip logic and low level methods
- *      for power management
- */
-
-static void mrst_init_pm(struct drm_device *dev)
-{
-}
-
-/**
- *      mrst_save_display_registers     -       save registers lost on suspend
- *      @dev: our DRM device
- *
- *      Save the state we need in order to be able to restore the interface
- *      upon resume from suspend
- */
-static int mrst_save_display_registers(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int i;
-        u32 pp_stat;
-
-        /* Display arbitration control + watermarks */
-        dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
-        dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
-        dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
-        dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
-        dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
-        dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
-        dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
-        dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
-
-        /* Pipe & plane A info */
-        dev_priv->savePIPEACONF = PSB_RVDC32(PIPEACONF);
-        dev_priv->savePIPEASRC = PSB_RVDC32(PIPEASRC);
-        dev_priv->saveFPA0 = PSB_RVDC32(MRST_FPA0);
-        dev_priv->saveFPA1 = PSB_RVDC32(MRST_FPA1);
-        dev_priv->saveDPLL_A = PSB_RVDC32(MRST_DPLL_A);
-        dev_priv->saveHTOTAL_A = PSB_RVDC32(HTOTAL_A);
-        dev_priv->saveHBLANK_A = PSB_RVDC32(HBLANK_A);
-        dev_priv->saveHSYNC_A = PSB_RVDC32(HSYNC_A);
-        dev_priv->saveVTOTAL_A = PSB_RVDC32(VTOTAL_A);
-        dev_priv->saveVBLANK_A = PSB_RVDC32(VBLANK_A);
-        dev_priv->saveVSYNC_A = PSB_RVDC32(VSYNC_A);
-        dev_priv->saveBCLRPAT_A = PSB_RVDC32(BCLRPAT_A);
-        dev_priv->saveDSPACNTR = PSB_RVDC32(DSPACNTR);
-        dev_priv->saveDSPASTRIDE = PSB_RVDC32(DSPASTRIDE);
-        dev_priv->saveDSPAADDR = PSB_RVDC32(DSPABASE);
-        dev_priv->saveDSPASURF = PSB_RVDC32(DSPASURF);
-        dev_priv->saveDSPALINOFF = PSB_RVDC32(DSPALINOFF);
-        dev_priv->saveDSPATILEOFF = PSB_RVDC32(DSPATILEOFF);
-
-        /* Save cursor regs */
-        dev_priv->saveDSPACURSOR_CTRL = PSB_RVDC32(CURACNTR);
-        dev_priv->saveDSPACURSOR_BASE = PSB_RVDC32(CURABASE);
-        dev_priv->saveDSPACURSOR_POS = PSB_RVDC32(CURAPOS);
-
-        /* Save palette (gamma) */
-        for (i = 0; i < 256; i++)
-                dev_priv->save_palette_a[i] = PSB_RVDC32(PALETTE_A + (i << 2));
-
-        if (dev_priv->hdmi_priv)
-                mrst_hdmi_save(dev);
-
-        /* Save performance state */
-        dev_priv->savePERF_MODE = PSB_RVDC32(MRST_PERF_MODE);
-
-        /* LVDS state */
-        dev_priv->savePP_CONTROL = PSB_RVDC32(PP_CONTROL);
-        dev_priv->savePFIT_PGM_RATIOS = PSB_RVDC32(PFIT_PGM_RATIOS);
-        dev_priv->savePFIT_AUTO_RATIOS = PSB_RVDC32(PFIT_AUTO_RATIOS);
-        dev_priv->saveBLC_PWM_CTL = PSB_RVDC32(BLC_PWM_CTL);
-        dev_priv->saveBLC_PWM_CTL2 = PSB_RVDC32(BLC_PWM_CTL2);
-        dev_priv->saveLVDS = PSB_RVDC32(LVDS);
-        dev_priv->savePFIT_CONTROL = PSB_RVDC32(PFIT_CONTROL);
-        dev_priv->savePP_ON_DELAYS = PSB_RVDC32(LVDSPP_ON);
-        dev_priv->savePP_OFF_DELAYS = PSB_RVDC32(LVDSPP_OFF);
-        dev_priv->savePP_DIVISOR = PSB_RVDC32(PP_CYCLE);
-
-        /* HW overlay */
-        dev_priv->saveOV_OVADD = PSB_RVDC32(OV_OVADD);
-        dev_priv->saveOV_OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-        dev_priv->saveOV_OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-        dev_priv->saveOV_OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-        dev_priv->saveOV_OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-        dev_priv->saveOV_OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-        dev_priv->saveOV_OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-
-        /* DPST registers */
-        dev_priv->saveHISTOGRAM_INT_CONTROL_REG =
-                                        PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-        dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG =
-                                        PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
-        dev_priv->savePWM_CONTROL_LOGIC = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-        if (dev_priv->iLVDS_enable) {
-                /* Shut down the panel */
-                PSB_WVDC32(0, PP_CONTROL);
-
-                do {
-                        pp_stat = PSB_RVDC32(PP_STATUS);
-                } while (pp_stat & 0x80000000);
-
-                /* Turn off the plane */
-                PSB_WVDC32(0x58000000, DSPACNTR);
-                /* Trigger the plane disable */
-                PSB_WVDC32(0, DSPASURF);
-
-                /* Wait ~4 ticks */
-                msleep(4);
-
-                /* Turn off pipe */
-                PSB_WVDC32(0x0, PIPEACONF);
-                /* Wait ~8 ticks */
-                msleep(8);
-
-                /* Turn off PLLs */
-                PSB_WVDC32(0, MRST_DPLL_A);
-        }
-        return 0;
-}
-
-/**
- *      mrst_restore_display_registers  -       restore lost register state
- *      @dev: our DRM device
- *
- *      Restore register state that was lost during suspend and resume.
- */
-static int mrst_restore_display_registers(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 pp_stat;
-        int i;
-
-        /* Display arbitration + watermarks */
-        PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
-        PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
-        PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
-        PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
-        PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
-        PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
-        PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
-        PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
-
-        /* Make sure VGA plane is off. it initializes to on after reset!*/
-        PSB_WVDC32(0x80000000, VGACNTRL);
-
-        /* set the plls */
-        PSB_WVDC32(dev_priv->saveFPA0, MRST_FPA0);
-        PSB_WVDC32(dev_priv->saveFPA1, MRST_FPA1);
-
-        /* Actually enable it */
-        PSB_WVDC32(dev_priv->saveDPLL_A, MRST_DPLL_A);
-        DRM_UDELAY(150);
-
-        /* Restore mode */
-        PSB_WVDC32(dev_priv->saveHTOTAL_A, HTOTAL_A);
-        PSB_WVDC32(dev_priv->saveHBLANK_A, HBLANK_A);
-        PSB_WVDC32(dev_priv->saveHSYNC_A, HSYNC_A);
-        PSB_WVDC32(dev_priv->saveVTOTAL_A, VTOTAL_A);
-        PSB_WVDC32(dev_priv->saveVBLANK_A, VBLANK_A);
-        PSB_WVDC32(dev_priv->saveVSYNC_A, VSYNC_A);
-        PSB_WVDC32(dev_priv->savePIPEASRC, PIPEASRC);
-        PSB_WVDC32(dev_priv->saveBCLRPAT_A, BCLRPAT_A);
-
-        /* Restore performance mode*/
-        PSB_WVDC32(dev_priv->savePERF_MODE, MRST_PERF_MODE);
-
-        /* Enable the pipe*/
-        if (dev_priv->iLVDS_enable)
-                PSB_WVDC32(dev_priv->savePIPEACONF, PIPEACONF);
-
-        /* Set up the plane*/
-        PSB_WVDC32(dev_priv->saveDSPALINOFF, DSPALINOFF);
-        PSB_WVDC32(dev_priv->saveDSPASTRIDE, DSPASTRIDE);
-        PSB_WVDC32(dev_priv->saveDSPATILEOFF, DSPATILEOFF);
-
-        /* Enable the plane */
-        PSB_WVDC32(dev_priv->saveDSPACNTR, DSPACNTR);
-        PSB_WVDC32(dev_priv->saveDSPASURF, DSPASURF);
-
-        /* Enable Cursor A */
-        PSB_WVDC32(dev_priv->saveDSPACURSOR_CTRL, CURACNTR);
-        PSB_WVDC32(dev_priv->saveDSPACURSOR_POS, CURAPOS);
-        PSB_WVDC32(dev_priv->saveDSPACURSOR_BASE, CURABASE);
-
-        /* Restore palette (gamma) */
-        for (i = 0; i < 256; i++)
-                PSB_WVDC32(dev_priv->save_palette_a[i], PALETTE_A + (i << 2));
-
-        if (dev_priv->hdmi_priv)
-                mrst_hdmi_restore(dev);
-
-        if (dev_priv->iLVDS_enable) {
-                PSB_WVDC32(dev_priv->saveBLC_PWM_CTL2, BLC_PWM_CTL2);
-                PSB_WVDC32(dev_priv->saveLVDS, LVDS); /*port 61180h*/
-                PSB_WVDC32(dev_priv->savePFIT_CONTROL, PFIT_CONTROL);
-                PSB_WVDC32(dev_priv->savePFIT_PGM_RATIOS, PFIT_PGM_RATIOS);
-                PSB_WVDC32(dev_priv->savePFIT_AUTO_RATIOS, PFIT_AUTO_RATIOS);
-                PSB_WVDC32(dev_priv->saveBLC_PWM_CTL, BLC_PWM_CTL);
-                PSB_WVDC32(dev_priv->savePP_ON_DELAYS, LVDSPP_ON);
-                PSB_WVDC32(dev_priv->savePP_OFF_DELAYS, LVDSPP_OFF);
-                PSB_WVDC32(dev_priv->savePP_DIVISOR, PP_CYCLE);
-                PSB_WVDC32(dev_priv->savePP_CONTROL, PP_CONTROL);
-        }
-
-        /* Wait for cycle delay */
-        do {
-                pp_stat = PSB_RVDC32(PP_STATUS);
-        } while (pp_stat & 0x08000000);
-
-        /* Wait for panel power up */
-        do {
-                pp_stat = PSB_RVDC32(PP_STATUS);
-        } while (pp_stat & 0x10000000);
-
-        /* Restore HW overlay */
-        PSB_WVDC32(dev_priv->saveOV_OVADD, OV_OVADD);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC0, OV_OGAMC0);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC1, OV_OGAMC1);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC2, OV_OGAMC2);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC3, OV_OGAMC3);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC4, OV_OGAMC4);
-        PSB_WVDC32(dev_priv->saveOV_OGAMC5, OV_OGAMC5);
-
-        /* DPST registers */
-        PSB_WVDC32(dev_priv->saveHISTOGRAM_INT_CONTROL_REG,
-                                                HISTOGRAM_INT_CONTROL);
-        PSB_WVDC32(dev_priv->saveHISTOGRAM_LOGIC_CONTROL_REG,
-                                                HISTOGRAM_LOGIC_CONTROL);
-        PSB_WVDC32(dev_priv->savePWM_CONTROL_LOGIC, PWM_CONTROL_LOGIC);
-
-        return 0;
-}
-
-/**
- *      mrst_power_down -       power down the display island
- *      @dev: our DRM device
- *
- *      Power down the display interface of our device
- */
-static int mrst_power_down(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 pwr_mask ;
-        u32 pwr_sts;
-
-        pwr_mask = PSB_PWRGT_DISPLAY_MASK;
-        outl(pwr_mask, dev_priv->ospm_base + PSB_PM_SSC);
-
-        while (true) {
-                pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-                if ((pwr_sts & pwr_mask) == pwr_mask)
-                        break;
-                else
-                        udelay(10);
-        }
-        return 0;
-}
-
-/*
- * mrst_power_up
- *
- * Restore power to the specified island(s) (powergating)
- */
-static int mrst_power_up(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 pwr_mask = PSB_PWRGT_DISPLAY_MASK;
-        u32 pwr_sts, pwr_cnt;
-
-        pwr_cnt = inl(dev_priv->ospm_base + PSB_PM_SSC);
-        pwr_cnt &= ~pwr_mask;
-        outl(pwr_cnt, (dev_priv->ospm_base + PSB_PM_SSC));
-
-        while (true) {
-                pwr_sts = inl(dev_priv->ospm_base + PSB_PM_SSS);
-                if ((pwr_sts & pwr_mask) == 0)
-                        break;
-                else
-                        udelay(10);
-        }
-        return 0;
-}
-
-#if defined(CONFIG_X86_MRST)
-static void mrst_lvds_cache_bl(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        intel_scu_ipc_ioread8(0x28, &(dev_priv->saveBKLTCNT));
-        intel_scu_ipc_ioread8(0x29, &(dev_priv->saveBKLTREQ));
-        intel_scu_ipc_ioread8(0x2A, &(dev_priv->saveBKLTBRTL));
-}
-
-static void mrst_mm_bl_power(struct drm_device *dev, bool on)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (on) {
-                intel_scu_ipc_iowrite8(0x2A, dev_priv->saveBKLTBRTL);
-                intel_scu_ipc_iowrite8(0x28, dev_priv->saveBKLTCNT);
-                intel_scu_ipc_iowrite8(0x29, dev_priv->saveBKLTREQ);
-        } else {
-                intel_scu_ipc_iowrite8(0x2A, 0);
-                intel_scu_ipc_iowrite8(0x28, 0);
-                intel_scu_ipc_iowrite8(0x29, 0);
-        }
-}
-
-static const struct psb_ops mrst_mm_chip_ops = {
-        .name = "Moorestown MM ",
-        .accel_2d = 1,
-        .pipes = 1,
-        .crtcs = 1,
-        .sgx_offset = MRST_SGX_OFFSET,
-
-        .crtc_helper = &mrst_helper_funcs,
-        .crtc_funcs = &psb_intel_crtc_funcs,
-
-        .output_init = mrst_output_init,
-
-        .lvds_bl_power = mrst_mm_bl_power,
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        .backlight_init = mrst_backlight_init,
-#endif
-
-        .init_pm = mrst_init_pm,
-        .save_regs = mrst_save_display_registers,
-        .restore_regs = mrst_restore_display_registers,
-        .power_down = mrst_power_down,
-        .power_up = mrst_power_up,
-
-        .i2c_bus = 0,
-};
-
-#endif
-
-static void oaktrail_teardown(struct drm_device *dev)
-{
-        mrst_hdmi_teardown(dev);
-}
-
-static const struct psb_ops oaktrail_chip_ops = {
-        .name = "Oaktrail",
-        .accel_2d = 1,
-        .pipes = 2,
-        .crtcs = 2,
-        .sgx_offset = MRST_SGX_OFFSET,
-
-        .chip_setup = mid_chip_setup,
-        .chip_teardown = oaktrail_teardown,
-        .crtc_helper = &mrst_helper_funcs,
-        .crtc_funcs = &psb_intel_crtc_funcs,
-
-        .output_init = mrst_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        .backlight_init = mrst_backlight_init,
-#endif
-
-        .init_pm = mrst_init_pm,
-        .save_regs = mrst_save_display_registers,
-        .restore_regs = mrst_restore_display_registers,
-        .power_down = mrst_power_down,
-        .power_up = mrst_power_up,
-
-        .i2c_bus = 1,
-};
-
-/**
- *      mrst_chip_setup         -       perform the initial chip init
- *      @dev: Our drm_device
- *
- *      Figure out which incarnation we are and then scan the firmware for
- *      tables and information.
- */
-static int mrst_chip_setup(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        switch (mrst_device_ident(dev)) {
-        case DEVICE_OAKTRAIL:
-                /* Dual CRTC, PC compatible, HDMI, I2C #2 */
-                dev_priv->ops = &oaktrail_chip_ops;
-                mrst_hdmi_setup(dev);
-                return mid_chip_setup(dev);
-#if defined(CONFIG_X86_MRST)
-        case DEVICE_MOORESTOWN_MM:
-                /* Single CRTC, No HDMI, I2C #0, BL control */
-                mrst_lvds_cache_bl(dev);
-                dev_priv->ops = &mrst_mm_chip_ops;
-                return mid_chip_setup(dev);
-        case DEVICE_MOORESTOWN:
-                /* Dual CRTC, No HDMI(?), I2C #1 */
-                return mid_chip_setup(dev);
-#endif
-        default:
-                dev_err(dev->dev, "unsupported device type.\n");
-                return -ENODEV;
-        }
-}
-
-const struct psb_ops mrst_chip_ops = {
-        .name = "Moorestown",
-        .accel_2d = 1,
-        .pipes = 2,
-        .crtcs = 2,
-        .sgx_offset = MRST_SGX_OFFSET,
-
-        .chip_setup = mrst_chip_setup,
-        .crtc_helper = &mrst_helper_funcs,
-        .crtc_funcs = &psb_intel_crtc_funcs,
-
-        .output_init = mrst_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        .backlight_init = mrst_backlight_init,
-#endif
-
-        .init_pm = mrst_init_pm,
-        .save_regs = mrst_save_display_registers,
-        .restore_regs = mrst_restore_display_registers,
-        .power_down = mrst_power_down,
-        .power_up = mrst_power_up,
-
-        .i2c_bus = 2,
-};
-
diff --git a/drivers/staging/gma500/mrst_hdmi.c b/drivers/staging/gma500/mrst_hdmi.c
deleted file mode 100644
index e66607eb3d3e..000000000000
--- a/drivers/staging/gma500/mrst_hdmi.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *      Li Peng <peng.li@intel.com>
- */
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_drv.h"
-
-#define HDMI_READ(reg)          readl(hdmi_dev->regs + (reg))
-#define HDMI_WRITE(reg, val)    writel(val, hdmi_dev->regs + (reg))
-
-#define HDMI_HCR        0x1000
-#define HCR_ENABLE_HDCP         (1 << 5)
-#define HCR_ENABLE_AUDIO        (1 << 2)
-#define HCR_ENABLE_PIXEL        (1 << 1)
-#define HCR_ENABLE_TMDS         (1 << 0)
-
-#define HDMI_HICR       0x1004
-#define HDMI_HSR        0x1008
-#define HDMI_HISR       0x100C
-#define HDMI_DETECT_HDP         (1 << 0)
-
-#define HDMI_VIDEO_REG  0x3000
-#define HDMI_UNIT_EN            (1 << 7)
-#define HDMI_MODE_OUTPUT        (1 << 0)
-#define HDMI_HBLANK_A   0x3100
-
-#define HDMI_AUDIO_CTRL 0x4000
-#define HDMI_ENABLE_AUDIO       (1 << 0)
-
-#define PCH_HTOTAL_B    0x3100
-#define PCH_HBLANK_B    0x3104
-#define PCH_HSYNC_B     0x3108
-#define PCH_VTOTAL_B    0x310C
-#define PCH_VBLANK_B    0x3110
-#define PCH_VSYNC_B     0x3114
-#define PCH_PIPEBSRC    0x311C
-
-#define PCH_PIPEB_DSL   0x3800
-#define PCH_PIPEB_SLC   0x3804
-#define PCH_PIPEBCONF   0x3808
-#define PCH_PIPEBSTAT   0x3824
-
-#define CDVO_DFT        0x5000
-#define CDVO_SLEWRATE   0x5004
-#define CDVO_STRENGTH   0x5008
-#define CDVO_RCOMP      0x500C
-
-#define DPLL_CTRL       0x6000
-#define DPLL_PDIV_SHIFT         16
-#define DPLL_PDIV_MASK          (0xf << 16)
-#define DPLL_PWRDN              (1 << 4)
-#define DPLL_RESET              (1 << 3)
-#define DPLL_FASTEN             (1 << 2)
-#define DPLL_ENSTAT             (1 << 1)
-#define DPLL_DITHEN             (1 << 0)
-
-#define DPLL_DIV_CTRL   0x6004
-#define DPLL_CLKF_MASK          0xffffffc0
-#define DPLL_CLKR_MASK          (0x3f)
-
-#define DPLL_CLK_ENABLE 0x6008
-#define DPLL_EN_DISP            (1 << 31)
-#define DPLL_SEL_HDMI           (1 << 8)
-#define DPLL_EN_HDMI            (1 << 1)
-#define DPLL_EN_VGA             (1 << 0)
-
-#define DPLL_ADJUST     0x600C
-#define DPLL_STATUS     0x6010
-#define DPLL_UPDATE     0x6014
-#define DPLL_DFT        0x6020
-
-struct intel_range {
-        int     min, max;
-};
-
-struct mrst_hdmi_limit {
-        struct intel_range vco, np, nr, nf;
-};
-
-struct mrst_hdmi_clock {
-        int np;
-        int nr;
-        int nf;
-        int dot;
-};
-
-#define VCO_MIN         320000
-#define VCO_MAX         1650000
-#define NP_MIN          1
-#define NP_MAX          15
-#define NR_MIN          1
-#define NR_MAX          64
-#define NF_MIN          2
-#define NF_MAX          4095
-
-static const struct mrst_hdmi_limit mrst_hdmi_limit = {
-        .vco = { .min = VCO_MIN,                .max = VCO_MAX },
-        .np  = { .min = NP_MIN,                 .max = NP_MAX  },
-        .nr  = { .min = NR_MIN,                 .max = NR_MAX  },
-        .nf  = { .min = NF_MIN,                 .max = NF_MAX  },
-};
-
-static void wait_for_vblank(struct drm_device *dev)
-{
-        /* FIXME: Can we do this as a sleep ? */
-        /* Wait for 20ms, i.e. one cycle at 50hz. */
-        mdelay(20);
-}
-
-static void scu_busy_loop(void *scu_base)
-{
-        u32 status = 0;
-        u32 loop_count = 0;
-
-        status = readl(scu_base + 0x04);
-        while (status & 1) {
-                udelay(1); /* scu processing time is in few u secods */
-                status = readl(scu_base + 0x04);
-                loop_count++;
-                /* break if scu doesn't reset busy bit after huge retry */
-                if (loop_count > 1000) {
-                        DRM_DEBUG_KMS("SCU IPC timed out");
-                        return;
-                }
-        }
-}
-
-static void mrst_hdmi_reset(struct drm_device *dev)
-{
-        void *base;
-        /* FIXME: at least make these defines */
-        unsigned int scu_ipc_mmio = 0xff11c000;
-        int scu_len = 1024;
-
-        base = ioremap((resource_size_t)scu_ipc_mmio, scu_len);
-        if (base == NULL) {
-                DRM_ERROR("failed to map SCU mmio\n");
-                return;
-        }
-
-        /* scu ipc: assert hdmi controller reset */
-        writel(0xff11d118, base + 0x0c);
-        writel(0x7fffffdf, base + 0x80);
-        writel(0x42005, base + 0x0);
-        scu_busy_loop(base);
-
-        /* scu ipc: de-assert hdmi controller reset */
-        writel(0xff11d118, base + 0x0c);
-        writel(0x7fffffff, base + 0x80);
-        writel(0x42005, base + 0x0);
-        scu_busy_loop(base);
-
-        iounmap(base);
-}
-
-static void mrst_hdmi_audio_enable(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-
-        HDMI_WRITE(HDMI_HCR, 0x67);
-        HDMI_READ(HDMI_HCR);
-
-        HDMI_WRITE(0x51a8, 0x10);
-        HDMI_READ(0x51a8);
-
-        HDMI_WRITE(HDMI_AUDIO_CTRL, 0x1);
-        HDMI_READ(HDMI_AUDIO_CTRL);
-}
-
-static void mrst_hdmi_audio_disable(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-
-        HDMI_WRITE(0x51a8, 0x0);
-        HDMI_READ(0x51a8);
-
-        HDMI_WRITE(HDMI_AUDIO_CTRL, 0x0);
-        HDMI_READ(HDMI_AUDIO_CTRL);
-
-        HDMI_WRITE(HDMI_HCR, 0x47);
-        HDMI_READ(HDMI_HCR);
-}
-
-void mrst_crtc_hdmi_dpms(struct drm_crtc *crtc, int mode)
-{
-        struct drm_device *dev = crtc->dev;
-        u32 temp;
-
-        switch (mode) {
-        case DRM_MODE_DPMS_OFF:
-                /* Disable VGACNTRL */
-                REG_WRITE(VGACNTRL, 0x80000000);
-
-                /* Disable plane */
-                temp = REG_READ(DSPBCNTR);
-                if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-                        REG_WRITE(DSPBCNTR, temp & ~DISPLAY_PLANE_ENABLE);
-                        REG_READ(DSPBCNTR);
-                        /* Flush the plane changes */
-                        REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
-                        REG_READ(DSPBSURF);
-                }
-
-                /* Disable pipe B */
-                temp = REG_READ(PIPEBCONF);
-                if ((temp & PIPEACONF_ENABLE) != 0) {
-                        REG_WRITE(PIPEBCONF, temp & ~PIPEACONF_ENABLE);
-                        REG_READ(PIPEBCONF);
-                }
-
-                /* Disable LNW Pipes, etc */
-                temp = REG_READ(PCH_PIPEBCONF);
-                if ((temp & PIPEACONF_ENABLE) != 0) {
-                        REG_WRITE(PCH_PIPEBCONF, temp & ~PIPEACONF_ENABLE);
-                        REG_READ(PCH_PIPEBCONF);
-                }
-                /* wait for pipe off */
-                udelay(150);
-                /* Disable dpll */
-                temp = REG_READ(DPLL_CTRL);
-                if ((temp & DPLL_PWRDN) == 0) {
-                        REG_WRITE(DPLL_CTRL, temp | (DPLL_PWRDN | DPLL_RESET));
-                        REG_WRITE(DPLL_STATUS, 0x1);
-                }
-                /* wait for dpll off */
-                udelay(150);
-                break;
-        case DRM_MODE_DPMS_ON:
-        case DRM_MODE_DPMS_STANDBY:
-        case DRM_MODE_DPMS_SUSPEND:
-                /* Enable dpll */
-                temp = REG_READ(DPLL_CTRL);
-                if ((temp & DPLL_PWRDN) != 0) {
-                        REG_WRITE(DPLL_CTRL, temp & ~(DPLL_PWRDN | DPLL_RESET));
-                        temp = REG_READ(DPLL_CLK_ENABLE);
-                        REG_WRITE(DPLL_CLK_ENABLE, temp | DPLL_EN_DISP | DPLL_SEL_HDMI | DPLL_EN_HDMI);
-                        REG_READ(DPLL_CLK_ENABLE);
-                }
-                /* wait for dpll warm up */
-                udelay(150);
-
-                /* Enable pipe B */
-                temp = REG_READ(PIPEBCONF);
-                if ((temp & PIPEACONF_ENABLE) == 0) {
-                        REG_WRITE(PIPEBCONF, temp | PIPEACONF_ENABLE);
-                        REG_READ(PIPEBCONF);
-                }
-
-                /* Enable LNW Pipe B */
-                temp = REG_READ(PCH_PIPEBCONF);
-                if ((temp & PIPEACONF_ENABLE) == 0) {
-                        REG_WRITE(PCH_PIPEBCONF, temp | PIPEACONF_ENABLE);
-                        REG_READ(PCH_PIPEBCONF);
-                }
-                wait_for_vblank(dev);
-
-                /* Enable plane */
-                temp = REG_READ(DSPBCNTR);
-                if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-                        REG_WRITE(DSPBCNTR, temp | DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(DSPBSURF, REG_READ(DSPBSURF));
-                        REG_READ(DSPBSURF);
-                }
-                psb_intel_crtc_load_lut(crtc);
-        }
-        /* DSPARB */
-        REG_WRITE(DSPARB, 0x00003fbf);
-        /* FW1 */
-        REG_WRITE(0x70034, 0x3f880a0a);
-        /* FW2 */
-        REG_WRITE(0x70038, 0x0b060808);
-        /* FW4 */
-        REG_WRITE(0x70050, 0x08030404);
-        /* FW5 */
-        REG_WRITE(0x70054, 0x04040404);
-        /* LNC Chicken Bits */
-        REG_WRITE(0x70400, 0x4000);
-}
-
-
-static void mrst_hdmi_dpms(struct drm_encoder *encoder, int mode)
-{
-        static int dpms_mode = -1;
-
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-        u32 temp;
-
-        if (dpms_mode == mode)
-                return;
-
-        if (mode != DRM_MODE_DPMS_ON)
-                temp = 0x0;
-        else
-                temp = 0x99;
-
-        dpms_mode = mode;
-        HDMI_WRITE(HDMI_VIDEO_REG, temp);
-}
-
-static unsigned int htotal_calculate(struct drm_display_mode *mode)
-{
-        u32 htotal, new_crtc_htotal;
-
-        htotal = (mode->crtc_hdisplay - 1) | ((mode->crtc_htotal - 1) << 16);
-
-        /*
-         * 1024 x 768  new_crtc_htotal = 0x1024;
-         * 1280 x 1024 new_crtc_htotal = 0x0c34;
-         */
-        new_crtc_htotal = (mode->crtc_htotal - 1) * 200 * 1000 / mode->clock;
-
-        return (mode->crtc_hdisplay - 1) | (new_crtc_htotal << 16);
-}
-
-static void mrst_hdmi_find_dpll(struct drm_crtc *crtc, int target,
-                                int refclk, struct mrst_hdmi_clock *best_clock)
-{
-        int np_min, np_max, nr_min, nr_max;
-        int np, nr, nf;
-
-        np_min = DIV_ROUND_UP(mrst_hdmi_limit.vco.min, target * 10);
-        np_max = mrst_hdmi_limit.vco.max / (target * 10);
-        if (np_min < mrst_hdmi_limit.np.min)
-                np_min = mrst_hdmi_limit.np.min;
-        if (np_max > mrst_hdmi_limit.np.max)
-                np_max = mrst_hdmi_limit.np.max;
-
-        nr_min = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_max));
-        nr_max = DIV_ROUND_UP((refclk * 1000), (target * 10 * np_min));
-        if (nr_min < mrst_hdmi_limit.nr.min)
-                nr_min = mrst_hdmi_limit.nr.min;
-        if (nr_max > mrst_hdmi_limit.nr.max)
-                nr_max = mrst_hdmi_limit.nr.max;
-
-        np = DIV_ROUND_UP((refclk * 1000), (target * 10 * nr_max));
-        nr = DIV_ROUND_UP((refclk * 1000), (target * 10 * np));
-        nf = DIV_ROUND_CLOSEST((target * 10 * np * nr), refclk);
-        DRM_DEBUG_KMS("np, nr, nf %d %d %d\n", np, nr, nf);
-
-        /*
-         * 1024 x 768  np = 1; nr = 0x26; nf = 0x0fd8000;
-         * 1280 x 1024 np = 1; nr = 0x17; nf = 0x1034000;
-         */
-        best_clock->np = np;
-        best_clock->nr = nr - 1;
-        best_clock->nf = (nf << 14);
-}
-
-int mrst_crtc_hdmi_mode_set(struct drm_crtc *crtc,
-                            struct drm_display_mode *mode,
-                            struct drm_display_mode *adjusted_mode,
-                            int x, int y,
-                            struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-        int pipe = 1;
-        int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-        int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-        int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-        int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-        int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-        int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-        int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-        int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-        int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-        int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-        int refclk;
-        struct mrst_hdmi_clock clock;
-        u32 dspcntr, pipeconf, dpll, temp;
-        int dspcntr_reg = DSPBCNTR;
-
-        /* Disable the VGA plane that we never use */
-        REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-        /* XXX: Disable the panel fitter if it was on our pipe */
-
-        /* Disable dpll if necessary */
-        dpll = REG_READ(DPLL_CTRL);
-        if ((dpll & DPLL_PWRDN) == 0) {
-                REG_WRITE(DPLL_CTRL, dpll | (DPLL_PWRDN | DPLL_RESET));
-                REG_WRITE(DPLL_DIV_CTRL, 0x00000000);
-                REG_WRITE(DPLL_STATUS, 0x1);
-        }
-        udelay(150);
-
-        /* reset controller: FIXME - can we sort out the ioremap mess ? */
-        iounmap(hdmi_dev->regs);
-        mrst_hdmi_reset(dev);
-
-        /* program and enable dpll */
-        refclk = 25000;
-        mrst_hdmi_find_dpll(crtc, adjusted_mode->clock, refclk, &clock);
-
-        /* Setting DPLL */
-        dpll = REG_READ(DPLL_CTRL);
-        dpll &= ~DPLL_PDIV_MASK;
-        dpll &= ~(DPLL_PWRDN | DPLL_RESET);
-        REG_WRITE(DPLL_CTRL, 0x00000008);
-        REG_WRITE(DPLL_DIV_CTRL, ((clock.nf << 6) | clock.nr));
-        REG_WRITE(DPLL_ADJUST, ((clock.nf >> 14) - 1));
-        REG_WRITE(DPLL_CTRL, (dpll | (clock.np << DPLL_PDIV_SHIFT) | DPLL_ENSTAT | DPLL_DITHEN));
-        REG_WRITE(DPLL_UPDATE, 0x80000000);
-        REG_WRITE(DPLL_CLK_ENABLE, 0x80050102);
-        udelay(150);
-
-        hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len);
-        if (hdmi_dev->regs == NULL) {
-                DRM_ERROR("failed to do hdmi mmio mapping\n");
-                return -ENOMEM;
-        }
-
-        /* configure HDMI */
-        HDMI_WRITE(0x1004, 0x1fd);
-        HDMI_WRITE(0x2000, 0x1);
-        HDMI_WRITE(0x2008, 0x0);
-        HDMI_WRITE(0x3130, 0x8);
-        HDMI_WRITE(0x101c, 0x1800810);
-
-        temp = htotal_calculate(adjusted_mode);
-        REG_WRITE(htot_reg, temp);
-        REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
-        REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
-        REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
-        REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
-        REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
-        REG_WRITE(pipesrc_reg,
-                ((mode->crtc_hdisplay - 1) << 16) |  (mode->crtc_vdisplay - 1));
-
-        REG_WRITE(PCH_HTOTAL_B, (adjusted_mode->crtc_hdisplay - 1) | ((adjusted_mode->crtc_htotal - 1) << 16));
-        REG_WRITE(PCH_HBLANK_B, (adjusted_mode->crtc_hblank_start - 1) | ((adjusted_mode->crtc_hblank_end - 1) << 16));
-        REG_WRITE(PCH_HSYNC_B, (adjusted_mode->crtc_hsync_start - 1) | ((adjusted_mode->crtc_hsync_end - 1) << 16));
-        REG_WRITE(PCH_VTOTAL_B, (adjusted_mode->crtc_vdisplay - 1) | ((adjusted_mode->crtc_vtotal - 1) << 16));
-        REG_WRITE(PCH_VBLANK_B, (adjusted_mode->crtc_vblank_start - 1) | ((adjusted_mode->crtc_vblank_end - 1) << 16));
-        REG_WRITE(PCH_VSYNC_B, (adjusted_mode->crtc_vsync_start - 1) | ((adjusted_mode->crtc_vsync_end - 1) << 16));
-        REG_WRITE(PCH_PIPEBSRC,
-                ((mode->crtc_hdisplay - 1) << 16) |  (mode->crtc_vdisplay - 1));
-
-        temp = adjusted_mode->crtc_hblank_end - adjusted_mode->crtc_hblank_start;
-        HDMI_WRITE(HDMI_HBLANK_A, ((adjusted_mode->crtc_hdisplay - 1) << 16) |  temp);
-
-        REG_WRITE(dspsize_reg,
-                        ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-        REG_WRITE(dsppos_reg, 0);
-
-        /* Flush the plane changes */
-        {
-                struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-                crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-        }
-
-        /* Set up the display plane register */
-        dspcntr = REG_READ(dspcntr_reg);
-        dspcntr |= DISPPLANE_GAMMA_ENABLE;
-        dspcntr |= DISPPLANE_SEL_PIPE_B;
-        dspcntr |= DISPLAY_PLANE_ENABLE;
-
-        /* setup pipeconf */
-        pipeconf = REG_READ(pipeconf_reg);
-        pipeconf |= PIPEACONF_ENABLE;
-
-        REG_WRITE(pipeconf_reg, pipeconf);
-        REG_READ(pipeconf_reg);
-
-        REG_WRITE(PCH_PIPEBCONF, pipeconf);
-        REG_READ(PCH_PIPEBCONF);
-        wait_for_vblank(dev);
-
-        REG_WRITE(dspcntr_reg, dspcntr);
-        wait_for_vblank(dev);
-
-        return 0;
-}
-
-static int mrst_hdmi_mode_valid(struct drm_connector *connector,
-                                struct drm_display_mode *mode)
-{
-        if (mode->clock > 165000)
-                return MODE_CLOCK_HIGH;
-        if (mode->clock < 20000)
-                return MODE_CLOCK_LOW;
-
-        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-                return MODE_NO_DBLESCAN;
-
-        return MODE_OK;
-}
-
-static bool mrst_hdmi_mode_fixup(struct drm_encoder *encoder,
-                                 struct drm_display_mode *mode,
-                                 struct drm_display_mode *adjusted_mode)
-{
-        return true;
-}
-
-static enum drm_connector_status
-mrst_hdmi_detect(struct drm_connector *connector, bool force)
-{
-        enum drm_connector_status status;
-        struct drm_device *dev = connector->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-        u32 temp;
-
-        temp = HDMI_READ(HDMI_HSR);
-        DRM_DEBUG_KMS("HDMI_HSR %x\n", temp);
-
-        if ((temp & HDMI_DETECT_HDP) != 0)
-                status = connector_status_connected;
-        else
-                status = connector_status_disconnected;
-
-        return status;
-}
-
-static const unsigned char raw_edid[] = {
-        0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x10, 0xac, 0x2f, 0xa0,
-        0x53, 0x55, 0x33, 0x30, 0x16, 0x13, 0x01, 0x03, 0x0e, 0x3a, 0x24, 0x78,
-        0xea, 0xe9, 0xf5, 0xac, 0x51, 0x30, 0xb4, 0x25, 0x11, 0x50, 0x54, 0xa5,
-        0x4b, 0x00, 0x81, 0x80, 0xa9, 0x40, 0x71, 0x4f, 0xb3, 0x00, 0x01, 0x01,
-        0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
-        0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x46, 0x6c, 0x21, 0x00, 0x00, 0x1a,
-        0x00, 0x00, 0x00, 0xff, 0x00, 0x47, 0x4e, 0x37, 0x32, 0x31, 0x39, 0x35,
-        0x52, 0x30, 0x33, 0x55, 0x53, 0x0a, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x44,
-        0x45, 0x4c, 0x4c, 0x20, 0x32, 0x37, 0x30, 0x39, 0x57, 0x0a, 0x20, 0x20,
-        0x00, 0x00, 0x00, 0xfd, 0x00, 0x38, 0x4c, 0x1e, 0x53, 0x11, 0x00, 0x0a,
-        0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, 0x8d
-};
-
-static int mrst_hdmi_get_modes(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct i2c_adapter *i2c_adap;
-        struct edid *edid;
-        struct drm_display_mode *mode, *t;
-        int i = 0, ret = 0;
-
-        i2c_adap = i2c_get_adapter(3);
-        if (i2c_adap == NULL) {
-                DRM_ERROR("No ddc adapter available!\n");
-                edid = (struct edid *)raw_edid;
-        } else {
-                edid = (struct edid *)raw_edid;
-                /* FIXME ? edid = drm_get_edid(connector, i2c_adap); */
-        }
-
-        if (edid) {
-                drm_mode_connector_update_edid_property(connector, edid);
-                ret = drm_add_edid_modes(connector, edid);
-                connector->display_info.raw_edid = NULL;
-        }
-
-        /*
-         * prune modes that require frame buffer bigger than stolen mem
-         */
-        list_for_each_entry_safe(mode, t, &connector->probed_modes, head) {
-                if ((mode->hdisplay * mode->vdisplay * 4) >= dev_priv->vram_stolen_size) {
-                        i++;
-                        drm_mode_remove(connector, mode);
-                }
-        }
-        return ret - i;
-}
-
-static void mrst_hdmi_mode_set(struct drm_encoder *encoder,
-                               struct drm_display_mode *mode,
-                               struct drm_display_mode *adjusted_mode)
-{
-        struct drm_device *dev = encoder->dev;
-
-        mrst_hdmi_audio_enable(dev);
-        return;
-}
-
-static void mrst_hdmi_destroy(struct drm_connector *connector)
-{
-        return;
-}
-
-static const struct drm_encoder_helper_funcs mrst_hdmi_helper_funcs = {
-        .dpms = mrst_hdmi_dpms,
-        .mode_fixup = mrst_hdmi_mode_fixup,
-        .prepare = psb_intel_encoder_prepare,
-        .mode_set = mrst_hdmi_mode_set,
-        .commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_helper_funcs
-                                        mrst_hdmi_connector_helper_funcs = {
-        .get_modes = mrst_hdmi_get_modes,
-        .mode_valid = mrst_hdmi_mode_valid,
-        .best_encoder = psb_intel_best_encoder,
-};
-
-static const struct drm_connector_funcs mrst_hdmi_connector_funcs = {
-        .dpms = drm_helper_connector_dpms,
-        .detect = mrst_hdmi_detect,
-        .fill_modes = drm_helper_probe_single_connector_modes,
-        .destroy = mrst_hdmi_destroy,
-};
-
-static void mrst_hdmi_enc_destroy(struct drm_encoder *encoder)
-{
-        drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs mrst_hdmi_enc_funcs = {
-        .destroy = mrst_hdmi_enc_destroy,
-};
-
-void mrst_hdmi_init(struct drm_device *dev,
-                                        struct psb_intel_mode_device *mode_dev)
-{
-        struct psb_intel_output *psb_intel_output;
-        struct drm_connector *connector;
-        struct drm_encoder *encoder;
-
-        psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-        if (!psb_intel_output)
-                return;
-
-        psb_intel_output->mode_dev = mode_dev;
-        connector = &psb_intel_output->base;
-        encoder = &psb_intel_output->enc;
-        drm_connector_init(dev, &psb_intel_output->base,
-                           &mrst_hdmi_connector_funcs,
-                           DRM_MODE_CONNECTOR_DVID);
-
-        drm_encoder_init(dev, &psb_intel_output->enc,
-                         &mrst_hdmi_enc_funcs,
-                         DRM_MODE_ENCODER_TMDS);
-
-        drm_mode_connector_attach_encoder(&psb_intel_output->base,
-                                          &psb_intel_output->enc);
-
-        psb_intel_output->type = INTEL_OUTPUT_HDMI;
-        drm_encoder_helper_add(encoder, &mrst_hdmi_helper_funcs);
-        drm_connector_helper_add(connector, &mrst_hdmi_connector_helper_funcs);
-
-        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-        connector->interlace_allowed = false;
-        connector->doublescan_allowed = false;
-        drm_sysfs_connector_add(connector);
-
-        return;
-}
-
-static DEFINE_PCI_DEVICE_TABLE(hdmi_ids) = {
-        { PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080d) },
-        {}
-};
-
-void mrst_hdmi_setup(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct pci_dev *pdev;
-        struct mrst_hdmi_dev *hdmi_dev;
-        int ret;
-
-        pdev = pci_get_device(PCI_VENDOR_ID_INTEL, 0x080d, NULL);
-        if (!pdev)
-                return;
-
-        hdmi_dev = kzalloc(sizeof(struct mrst_hdmi_dev), GFP_KERNEL);
-        if (!hdmi_dev) {
-                dev_err(dev->dev, "failed to allocate memory\n");
-                goto out;
-        }
-
-
-        ret = pci_enable_device(pdev);
-        if (ret) {
-                dev_err(dev->dev, "failed to enable hdmi controller\n");
-                goto free;
-        }
-
-        hdmi_dev->mmio = pci_resource_start(pdev, 0);
-        hdmi_dev->mmio_len = pci_resource_len(pdev, 0);
-        hdmi_dev->regs = ioremap(hdmi_dev->mmio, hdmi_dev->mmio_len);
-        if (!hdmi_dev->regs) {
-                dev_err(dev->dev, "failed to map hdmi mmio\n");
-                goto free;
-        }
-
-        hdmi_dev->dev = pdev;
-        pci_set_drvdata(pdev, hdmi_dev);
-
-        /* Initialize i2c controller */
-        ret = mrst_hdmi_i2c_init(hdmi_dev->dev);
-        if (ret)
-                dev_err(dev->dev, "HDMI I2C initialization failed\n");
-
-        dev_priv->hdmi_priv = hdmi_dev;
-        mrst_hdmi_audio_disable(dev);
-        return;
-
-free:
-        kfree(hdmi_dev);
-out:
-        return;
-}
-
-void mrst_hdmi_teardown(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-        struct pci_dev *pdev;
-
-        if (hdmi_dev) {
-                pdev = hdmi_dev->dev;
-                pci_set_drvdata(pdev, NULL);
-                mrst_hdmi_i2c_exit(pdev);
-                iounmap(hdmi_dev->regs);
-                kfree(hdmi_dev);
-                pci_dev_put(pdev);
-        }
-}
-
-/* save HDMI register state */
-void mrst_hdmi_save(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-        int i;
-
-        /* dpll */
-        hdmi_dev->saveDPLL_CTRL = PSB_RVDC32(DPLL_CTRL);
-        hdmi_dev->saveDPLL_DIV_CTRL = PSB_RVDC32(DPLL_DIV_CTRL);
-        hdmi_dev->saveDPLL_ADJUST = PSB_RVDC32(DPLL_ADJUST);
-        hdmi_dev->saveDPLL_UPDATE = PSB_RVDC32(DPLL_UPDATE);
-        hdmi_dev->saveDPLL_CLK_ENABLE = PSB_RVDC32(DPLL_CLK_ENABLE);
-
-        /* pipe B */
-        dev_priv->savePIPEBCONF = PSB_RVDC32(PIPEBCONF);
-        dev_priv->savePIPEBSRC  = PSB_RVDC32(PIPEBSRC);
-        dev_priv->saveHTOTAL_B  = PSB_RVDC32(HTOTAL_B);
-        dev_priv->saveHBLANK_B  = PSB_RVDC32(HBLANK_B);
-        dev_priv->saveHSYNC_B   = PSB_RVDC32(HSYNC_B);
-        dev_priv->saveVTOTAL_B  = PSB_RVDC32(VTOTAL_B);
-        dev_priv->saveVBLANK_B  = PSB_RVDC32(VBLANK_B);
-        dev_priv->saveVSYNC_B   = PSB_RVDC32(VSYNC_B);
-
-        hdmi_dev->savePCH_PIPEBCONF = PSB_RVDC32(PCH_PIPEBCONF);
-        hdmi_dev->savePCH_PIPEBSRC = PSB_RVDC32(PCH_PIPEBSRC);
-        hdmi_dev->savePCH_HTOTAL_B = PSB_RVDC32(PCH_HTOTAL_B);
-        hdmi_dev->savePCH_HBLANK_B = PSB_RVDC32(PCH_HBLANK_B);
-        hdmi_dev->savePCH_HSYNC_B  = PSB_RVDC32(PCH_HSYNC_B);
-        hdmi_dev->savePCH_VTOTAL_B = PSB_RVDC32(PCH_VTOTAL_B);
-        hdmi_dev->savePCH_VBLANK_B = PSB_RVDC32(PCH_VBLANK_B);
-        hdmi_dev->savePCH_VSYNC_B  = PSB_RVDC32(PCH_VSYNC_B);
-
-        /* plane */
-        dev_priv->saveDSPBCNTR = PSB_RVDC32(DSPBCNTR);
-        dev_priv->saveDSPBSTRIDE = PSB_RVDC32(DSPBSTRIDE);
-        dev_priv->saveDSPBADDR = PSB_RVDC32(DSPBBASE);
-        dev_priv->saveDSPBSURF = PSB_RVDC32(DSPBSURF);
-        dev_priv->saveDSPBLINOFF = PSB_RVDC32(DSPBLINOFF);
-        dev_priv->saveDSPBTILEOFF = PSB_RVDC32(DSPBTILEOFF);
-
-        /* cursor B */
-        dev_priv->saveDSPBCURSOR_CTRL = PSB_RVDC32(CURBCNTR);
-        dev_priv->saveDSPBCURSOR_BASE = PSB_RVDC32(CURBBASE);
-        dev_priv->saveDSPBCURSOR_POS = PSB_RVDC32(CURBPOS);
-
-        /* save palette */
-        for (i = 0; i < 256; i++)
-                dev_priv->save_palette_b[i] = PSB_RVDC32(PALETTE_B + (i << 2));
-}
-
-/* restore HDMI register state */
-void mrst_hdmi_restore(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_hdmi_dev *hdmi_dev = dev_priv->hdmi_priv;
-        int i;
-
-        /* dpll */
-        PSB_WVDC32(hdmi_dev->saveDPLL_CTRL, DPLL_CTRL);
-        PSB_WVDC32(hdmi_dev->saveDPLL_DIV_CTRL, DPLL_DIV_CTRL);
-        PSB_WVDC32(hdmi_dev->saveDPLL_ADJUST, DPLL_ADJUST);
-        PSB_WVDC32(hdmi_dev->saveDPLL_UPDATE, DPLL_UPDATE);
-        PSB_WVDC32(hdmi_dev->saveDPLL_CLK_ENABLE, DPLL_CLK_ENABLE);
-        DRM_UDELAY(150);
-
-        /* pipe */
-        PSB_WVDC32(dev_priv->savePIPEBSRC, PIPEBSRC);
-        PSB_WVDC32(dev_priv->saveHTOTAL_B, HTOTAL_B);
-        PSB_WVDC32(dev_priv->saveHBLANK_B, HBLANK_B);
-        PSB_WVDC32(dev_priv->saveHSYNC_B,  HSYNC_B);
-        PSB_WVDC32(dev_priv->saveVTOTAL_B, VTOTAL_B);
-        PSB_WVDC32(dev_priv->saveVBLANK_B, VBLANK_B);
-        PSB_WVDC32(dev_priv->saveVSYNC_B,  VSYNC_B);
-
-        PSB_WVDC32(hdmi_dev->savePCH_PIPEBSRC, PCH_PIPEBSRC);
-        PSB_WVDC32(hdmi_dev->savePCH_HTOTAL_B, PCH_HTOTAL_B);
-        PSB_WVDC32(hdmi_dev->savePCH_HBLANK_B, PCH_HBLANK_B);
-        PSB_WVDC32(hdmi_dev->savePCH_HSYNC_B,  PCH_HSYNC_B);
-        PSB_WVDC32(hdmi_dev->savePCH_VTOTAL_B, PCH_VTOTAL_B);
-        PSB_WVDC32(hdmi_dev->savePCH_VBLANK_B, PCH_VBLANK_B);
-        PSB_WVDC32(hdmi_dev->savePCH_VSYNC_B,  PCH_VSYNC_B);
-
-        PSB_WVDC32(dev_priv->savePIPEBCONF, PIPEBCONF);
-        PSB_WVDC32(hdmi_dev->savePCH_PIPEBCONF, PCH_PIPEBCONF);
-
-        /* plane */
-        PSB_WVDC32(dev_priv->saveDSPBLINOFF, DSPBLINOFF);
-        PSB_WVDC32(dev_priv->saveDSPBSTRIDE, DSPBSTRIDE);
-        PSB_WVDC32(dev_priv->saveDSPBTILEOFF, DSPBTILEOFF);
-        PSB_WVDC32(dev_priv->saveDSPBCNTR, DSPBCNTR);
-        PSB_WVDC32(dev_priv->saveDSPBSURF, DSPBSURF);
-
-        /* cursor B */
-        PSB_WVDC32(dev_priv->saveDSPBCURSOR_CTRL, CURBCNTR);
-        PSB_WVDC32(dev_priv->saveDSPBCURSOR_POS, CURBPOS);
-        PSB_WVDC32(dev_priv->saveDSPBCURSOR_BASE, CURBBASE);
-
-        /* restore palette */
-        for (i = 0; i < 256; i++)
-                PSB_WVDC32(dev_priv->save_palette_b[i], PALETTE_B + (i << 2));
-}
diff --git a/drivers/staging/gma500/mrst_hdmi_i2c.c b/drivers/staging/gma500/mrst_hdmi_i2c.c
deleted file mode 100644
index 36e7edc4d14c..000000000000
--- a/drivers/staging/gma500/mrst_hdmi_i2c.c
+++ /dev/null
@@ -1,328 +0,0 @@
-/*
- * Copyright © 2010 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- *      Li Peng <peng.li@intel.com>
- */
-
-#include <linux/mutex.h>
-#include <linux/pci.h>
-#include <linux/i2c.h>
-#include <linux/interrupt.h>
-#include <linux/delay.h>
-#include <linux/export.h>
-#include "psb_drv.h"
-
-#define HDMI_READ(reg)          readl(hdmi_dev->regs + (reg))
-#define HDMI_WRITE(reg, val)    writel(val, hdmi_dev->regs + (reg))
-
-#define HDMI_HCR        0x1000
-#define HCR_DETECT_HDP          (1 << 6)
-#define HCR_ENABLE_HDCP         (1 << 5)
-#define HCR_ENABLE_AUDIO        (1 << 2)
-#define HCR_ENABLE_PIXEL        (1 << 1)
-#define HCR_ENABLE_TMDS         (1 << 0)
-#define HDMI_HICR       0x1004
-#define HDMI_INTR_I2C_ERROR     (1 << 4)
-#define HDMI_INTR_I2C_FULL      (1 << 3)
-#define HDMI_INTR_I2C_DONE      (1 << 2)
-#define HDMI_INTR_HPD           (1 << 0)
-#define HDMI_HSR        0x1008
-#define HDMI_HISR       0x100C
-#define HDMI_HI2CRDB0   0x1200
-#define HDMI_HI2CHCR    0x1240
-#define HI2C_HDCP_WRITE         (0 << 2)
-#define HI2C_HDCP_RI_READ       (1 << 2)
-#define HI2C_HDCP_READ          (2 << 2)
-#define HI2C_EDID_READ          (3 << 2)
-#define HI2C_READ_CONTINUE      (1 << 1)
-#define HI2C_ENABLE_TRANSACTION (1 << 0)
-
-#define HDMI_ICRH       0x1100
-#define HDMI_HI2CTDR0   0x1244
-#define HDMI_HI2CTDR1   0x1248
-
-#define I2C_STAT_INIT           0
-#define I2C_READ_DONE           1
-#define I2C_TRANSACTION_DONE    2
-
-struct hdmi_i2c_dev {
-        struct i2c_adapter *adap;
-        struct mutex i2c_lock;
-        struct completion complete;
-        int status;
-        struct i2c_msg *msg;
-        int buf_offset;
-};
-
-static void hdmi_i2c_irq_enable(struct mrst_hdmi_dev *hdmi_dev)
-{
-        u32 temp;
-
-        temp = HDMI_READ(HDMI_HICR);
-        temp |= (HDMI_INTR_I2C_ERROR | HDMI_INTR_I2C_FULL | HDMI_INTR_I2C_DONE);
-        HDMI_WRITE(HDMI_HICR, temp);
-        HDMI_READ(HDMI_HICR);
-}
-
-static void hdmi_i2c_irq_disable(struct mrst_hdmi_dev *hdmi_dev)
-{
-        HDMI_WRITE(HDMI_HICR, 0x0);
-        HDMI_READ(HDMI_HICR);
-}
-
-static int xfer_read(struct i2c_adapter *adap, struct i2c_msg *pmsg)
-{
-        struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
-        struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-        u32 temp;
-
-        i2c_dev->status = I2C_STAT_INIT;
-        i2c_dev->msg = pmsg;
-        i2c_dev->buf_offset = 0;
-        INIT_COMPLETION(i2c_dev->complete);
-
-        /* Enable I2C transaction */
-        temp = ((pmsg->len) << 20) | HI2C_EDID_READ | HI2C_ENABLE_TRANSACTION;
-        HDMI_WRITE(HDMI_HI2CHCR, temp);
-        HDMI_READ(HDMI_HI2CHCR);
-
-        while (i2c_dev->status != I2C_TRANSACTION_DONE)
-                wait_for_completion_interruptible_timeout(&i2c_dev->complete,
-                                                                10 * HZ);
-
-        return 0;
-}
-
-static int xfer_write(struct i2c_adapter *adap, struct i2c_msg *pmsg)
-{
-        /*
-         * XXX: i2c write seems isn't useful for EDID probe, don't do anything
-         */
-        return 0;
-}
-
-static int mrst_hdmi_i2c_access(struct i2c_adapter *adap,
-                                struct i2c_msg *pmsg,
-                                int num)
-{
-        struct mrst_hdmi_dev *hdmi_dev = i2c_get_adapdata(adap);
-        struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-        int i, err = 0;
-
-        mutex_lock(&i2c_dev->i2c_lock);
-
-        /* Enable i2c unit */
-        HDMI_WRITE(HDMI_ICRH, 0x00008760);
-
-        /* Enable irq */
-        hdmi_i2c_irq_enable(hdmi_dev);
-        for (i = 0; i < num; i++) {
-                if (pmsg->len && pmsg->buf) {
-                        if (pmsg->flags & I2C_M_RD)
-                                err = xfer_read(adap, pmsg);
-                        else
-                                err = xfer_write(adap, pmsg);
-                }
-                pmsg++;         /* next message */
-        }
-
-        /* Disable irq */
-        hdmi_i2c_irq_disable(hdmi_dev);
-
-        mutex_unlock(&i2c_dev->i2c_lock);
-
-        return i;
-}
-
-static u32 mrst_hdmi_i2c_func(struct i2c_adapter *adapter)
-{
-        return I2C_FUNC_I2C | I2C_FUNC_10BIT_ADDR;
-}
-
-static const struct i2c_algorithm mrst_hdmi_i2c_algorithm = {
-        .master_xfer    = mrst_hdmi_i2c_access,
-        .functionality  = mrst_hdmi_i2c_func,
-};
-
-static struct i2c_adapter mrst_hdmi_i2c_adapter = {
-        .name           = "mrst_hdmi_i2c",
-        .nr             = 3,
-        .owner          = THIS_MODULE,
-        .class          = I2C_CLASS_DDC,
-        .algo           = &mrst_hdmi_i2c_algorithm,
-};
-
-static void hdmi_i2c_read(struct mrst_hdmi_dev *hdmi_dev)
-{
-        struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-        struct i2c_msg *msg = i2c_dev->msg;
-        u8 *buf = msg->buf;
-        u32 temp;
-        int i, offset;
-
-        offset = i2c_dev->buf_offset;
-        for (i = 0; i < 0x10; i++) {
-                temp = HDMI_READ(HDMI_HI2CRDB0 + (i * 4));
-                memcpy(buf + (offset + i * 4), &temp, 4);
-        }
-        i2c_dev->buf_offset += (0x10 * 4);
-
-        /* clearing read buffer full intr */
-        temp = HDMI_READ(HDMI_HISR);
-        HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_FULL);
-        HDMI_READ(HDMI_HISR);
-
-        /* continue read transaction */
-        temp = HDMI_READ(HDMI_HI2CHCR);
-        HDMI_WRITE(HDMI_HI2CHCR, temp | HI2C_READ_CONTINUE);
-        HDMI_READ(HDMI_HI2CHCR);
-
-        i2c_dev->status = I2C_READ_DONE;
-        return;
-}
-
-static void hdmi_i2c_transaction_done(struct mrst_hdmi_dev *hdmi_dev)
-{
-        struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-        u32 temp;
-
-        /* clear transaction done intr */
-        temp = HDMI_READ(HDMI_HISR);
-        HDMI_WRITE(HDMI_HISR, temp | HDMI_INTR_I2C_DONE);
-        HDMI_READ(HDMI_HISR);
-
-
-        temp = HDMI_READ(HDMI_HI2CHCR);
-        HDMI_WRITE(HDMI_HI2CHCR, temp & ~HI2C_ENABLE_TRANSACTION);
-        HDMI_READ(HDMI_HI2CHCR);
-
-        i2c_dev->status = I2C_TRANSACTION_DONE;
-        return;
-}
-
-static irqreturn_t mrst_hdmi_i2c_handler(int this_irq, void *dev)
-{
-        struct mrst_hdmi_dev *hdmi_dev = dev;
-        struct hdmi_i2c_dev *i2c_dev = hdmi_dev->i2c_dev;
-        u32 stat;
-
-        stat = HDMI_READ(HDMI_HISR);
-
-        if (stat & HDMI_INTR_HPD) {
-                HDMI_WRITE(HDMI_HISR, stat | HDMI_INTR_HPD);
-                HDMI_READ(HDMI_HISR);
-        }
-
-        if (stat & HDMI_INTR_I2C_FULL)
-                hdmi_i2c_read(hdmi_dev);
-
-        if (stat & HDMI_INTR_I2C_DONE)
-                hdmi_i2c_transaction_done(hdmi_dev);
-
-        complete(&i2c_dev->complete);
-
-        return IRQ_HANDLED;
-}
-
-/*
- * choose alternate function 2 of GPIO pin 52, 53,
- * which is used by HDMI I2C logic
- */
-static void mrst_hdmi_i2c_gpio_fix(void)
-{
-        void *base;
-        unsigned int gpio_base = 0xff12c000;
-        int gpio_len = 0x1000;
-        u32 temp;
-
-        base = ioremap((resource_size_t)gpio_base, gpio_len);
-        if (base == NULL) {
-                DRM_ERROR("gpio ioremap fail\n");
-                return;
-        }
-
-        temp = readl(base + 0x44);
-        DRM_DEBUG_DRIVER("old gpio val %x\n", temp);
-        writel((temp | 0x00000a00), (base +  0x44));
-        temp = readl(base + 0x44);
-        DRM_DEBUG_DRIVER("new gpio val %x\n", temp);
-
-        iounmap(base);
-}
-
-int mrst_hdmi_i2c_init(struct pci_dev *dev)
-{
-        struct mrst_hdmi_dev *hdmi_dev;
-        struct hdmi_i2c_dev *i2c_dev;
-        int ret;
-
-        hdmi_dev = pci_get_drvdata(dev);
-
-        i2c_dev = kzalloc(sizeof(struct hdmi_i2c_dev), GFP_KERNEL);
-        if (i2c_dev == NULL) {
-                DRM_ERROR("Can't allocate interface\n");
-                ret = -ENOMEM;
-                goto exit;
-        }
-
-        i2c_dev->adap = &mrst_hdmi_i2c_adapter;
-        i2c_dev->status = I2C_STAT_INIT;
-        init_completion(&i2c_dev->complete);
-        mutex_init(&i2c_dev->i2c_lock);
-        i2c_set_adapdata(&mrst_hdmi_i2c_adapter, hdmi_dev);
-        hdmi_dev->i2c_dev = i2c_dev;
-
-        /* Enable HDMI I2C function on gpio */
-        mrst_hdmi_i2c_gpio_fix();
-
-        /* request irq */
-        ret = request_irq(dev->irq, mrst_hdmi_i2c_handler, IRQF_SHARED,
-                          mrst_hdmi_i2c_adapter.name, hdmi_dev);
-        if (ret) {
-                DRM_ERROR("Failed to request IRQ for I2C controller\n");
-                goto err;
-        }
-
-        /* Adapter registration */
-        ret = i2c_add_numbered_adapter(&mrst_hdmi_i2c_adapter);
-        return ret;
-
-err:
-        kfree(i2c_dev);
-exit:
-        return ret;
-}
-
-void mrst_hdmi_i2c_exit(struct pci_dev *dev)
-{
-        struct mrst_hdmi_dev *hdmi_dev;
-        struct hdmi_i2c_dev *i2c_dev;
-
-        hdmi_dev = pci_get_drvdata(dev);
-        if (i2c_del_adapter(&mrst_hdmi_i2c_adapter))
-                DRM_DEBUG_DRIVER("Failed to delete hdmi-i2c adapter\n");
-
-        i2c_dev = hdmi_dev->i2c_dev;
-        kfree(i2c_dev);
-        free_irq(dev->irq, hdmi_dev);
-}
diff --git a/drivers/staging/gma500/mrst_lvds.c b/drivers/staging/gma500/mrst_lvds.c
deleted file mode 100644
index e7999a2a3796..000000000000
--- a/drivers/staging/gma500/mrst_lvds.c
+++ /dev/null
@@ -1,407 +0,0 @@
-/*
- * Copyright © 2006-2009 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- *      Dave Airlie <airlied@linux.ie>
- *      Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-#include <asm/mrst.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-/* The max/min PWM frequency in BPCR[31:17] - */
-/* The smallest number is 1 (not 0) that can fit in the
- * 15-bit field of the and then*/
-/* shifts to the left by one bit to get the actual 16-bit
- * value that the 15-bits correspond to.*/
-#define MRST_BLC_MAX_PWM_REG_FREQ           0xFFFF
-#define BRIGHTNESS_MAX_LEVEL 100
-
-/**
- * Sets the power state for the panel.
- */
-static void mrst_lvds_set_power(struct drm_device *dev,
-                                struct psb_intel_output *output, bool on)
-{
-        u32 pp_status;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-        if (on) {
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-                          POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while ((pp_status & (PP_ON | PP_READY)) == PP_READY);
-                dev_priv->is_lvds_on = true;
-                if (dev_priv->ops->lvds_bl_power)
-                        dev_priv->ops->lvds_bl_power(dev, true);
-        } else {
-                if (dev_priv->ops->lvds_bl_power)
-                        dev_priv->ops->lvds_bl_power(dev, false);
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-                          ~POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while (pp_status & PP_ON);
-                dev_priv->is_lvds_on = false;
-                pm_request_idle(&dev->pdev->dev);
-        }
-        gma_power_end(dev);
-}
-
-static void mrst_lvds_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-
-        if (mode == DRM_MODE_DPMS_ON)
-                mrst_lvds_set_power(dev, output, true);
-        else
-                mrst_lvds_set_power(dev, output, false);
-
-        /* XXX: We never power down the LVDS pairs. */
-}
-
-static void mrst_lvds_mode_set(struct drm_encoder *encoder,
-                               struct drm_display_mode *mode,
-                               struct drm_display_mode *adjusted_mode)
-{
-        struct psb_intel_mode_device *mode_dev =
-                                enc_to_psb_intel_output(encoder)->mode_dev;
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 lvds_port;
-        uint64_t v = DRM_MODE_SCALE_FULLSCREEN;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-        /*
-         * The LVDS pin pair will already have been turned on in the
-         * psb_intel_crtc_mode_set since it has a large impact on the DPLL
-         * settings.
-         */
-        lvds_port = (REG_READ(LVDS) &
-                    (~LVDS_PIPEB_SELECT)) |
-                    LVDS_PORT_EN |
-                    LVDS_BORDER_EN;
-
-        /* If the firmware says dither on Moorestown, or the BIOS does
-           on Oaktrail then enable dithering */
-        if (mode_dev->panel_wants_dither || dev_priv->lvds_dither)
-                lvds_port |= MRST_PANEL_8TO6_DITHER_ENABLE;
-
-        REG_WRITE(LVDS, lvds_port);
-
-        drm_connector_property_get_value(
-                &enc_to_psb_intel_output(encoder)->base,
-                dev->mode_config.scaling_mode_property,
-                &v);
-
-        if (v == DRM_MODE_SCALE_NO_SCALE)
-                REG_WRITE(PFIT_CONTROL, 0);
-        else if (v == DRM_MODE_SCALE_ASPECT) {
-                if ((mode->vdisplay != adjusted_mode->crtc_vdisplay) ||
-                    (mode->hdisplay != adjusted_mode->crtc_hdisplay)) {
-                        if ((adjusted_mode->crtc_hdisplay * mode->vdisplay) ==
-                            (mode->hdisplay * adjusted_mode->crtc_vdisplay))
-                                REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-                        else if ((adjusted_mode->crtc_hdisplay *
-                                mode->vdisplay) > (mode->hdisplay *
-                                adjusted_mode->crtc_vdisplay))
-                                REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
-                                          PFIT_SCALING_MODE_PILLARBOX);
-                        else
-                                REG_WRITE(PFIT_CONTROL, PFIT_ENABLE |
-                                          PFIT_SCALING_MODE_LETTERBOX);
-                } else
-                        REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-        } else /*(v == DRM_MODE_SCALE_FULLSCREEN)*/
-                REG_WRITE(PFIT_CONTROL, PFIT_ENABLE);
-
-        gma_power_end(dev);
-}
-
-static void mrst_lvds_prepare(struct drm_encoder *encoder)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-        mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-        mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-                                          BACKLIGHT_DUTY_CYCLE_MASK);
-        mrst_lvds_set_power(dev, output, false);
-        gma_power_end(dev);
-}
-
-static u32 mrst_lvds_get_max_backlight(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 ret;
-
-        if (gma_power_begin(dev, false)) {
-                ret = ((REG_READ(BLC_PWM_CTL) &
-                          BACKLIGHT_MODULATION_FREQ_MASK) >>
-                          BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-                gma_power_end(dev);
-        } else
-                ret = ((dev_priv->saveBLC_PWM_CTL &
-                          BACKLIGHT_MODULATION_FREQ_MASK) >>
-                          BACKLIGHT_MODULATION_FREQ_SHIFT) * 2;
-
-        return ret;
-}
-
-static void mrst_lvds_commit(struct drm_encoder *encoder)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-        if (mode_dev->backlight_duty_cycle == 0)
-                mode_dev->backlight_duty_cycle =
-                                        mrst_lvds_get_max_backlight(dev);
-        mrst_lvds_set_power(dev, output, true);
-}
-
-static const struct drm_encoder_helper_funcs mrst_lvds_helper_funcs = {
-        .dpms = mrst_lvds_dpms,
-        .mode_fixup = psb_intel_lvds_mode_fixup,
-        .prepare = mrst_lvds_prepare,
-        .mode_set = mrst_lvds_mode_set,
-        .commit = mrst_lvds_commit,
-};
-
-static struct drm_display_mode lvds_configuration_modes[] = {
-        /* hard coded fixed mode for TPO LTPS LPJ040K001A */
-        { DRM_MODE("800x480",  DRM_MODE_TYPE_DRIVER, 33264, 800, 836,
-                   846, 1056, 0, 480, 489, 491, 525, 0, 0) },
-        /* hard coded fixed mode for LVDS 800x480 */
-        { DRM_MODE("800x480",  DRM_MODE_TYPE_DRIVER, 30994, 800, 801,
-                   802, 1024, 0, 480, 481, 482, 525, 0, 0) },
-        /* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
-        { DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1072,
-                   1104, 1184, 0, 600, 603, 604, 608, 0, 0) },
-        /* hard coded fixed mode for Samsung 480wsvga LVDS 1024x600@75 */
-        { DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 53990, 1024, 1104,
-                   1136, 1184, 0, 600, 603, 604, 608, 0, 0) },
-        /* hard coded fixed mode for Sharp wsvga LVDS 1024x600 */
-        { DRM_MODE("1024x600", DRM_MODE_TYPE_DRIVER, 48885, 1024, 1124,
-                   1204, 1312, 0, 600, 607, 610, 621, 0, 0) },
-        /* hard coded fixed mode for LVDS 1024x768 */
-        { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
-                   1184, 1344, 0, 768, 771, 777, 806, 0, 0) },
-        /* hard coded fixed mode for LVDS 1366x768 */
-        { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 77500, 1366, 1430,
-                   1558, 1664, 0, 768, 769, 770, 776, 0, 0) },
-};
-
-/* Returns the panel fixed mode from configuration. */
-
-static struct drm_display_mode *
-mrst_lvds_get_configuration_mode(struct drm_device *dev)
-{
-        struct drm_display_mode *mode = NULL;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct mrst_timing_info *ti = &dev_priv->gct_data.DTD;
-
-        if (dev_priv->vbt_data.size != 0x00) { /*if non-zero, then use vbt*/
-                mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-                if (!mode)
-                        return NULL;
-
-                mode->hdisplay = (ti->hactive_hi << 8) | ti->hactive_lo;
-                mode->vdisplay = (ti->vactive_hi << 8) | ti->vactive_lo;
-                mode->hsync_start = mode->hdisplay + \
-                                ((ti->hsync_offset_hi << 8) | \
-                                ti->hsync_offset_lo);
-                mode->hsync_end = mode->hsync_start + \
-                                ((ti->hsync_pulse_width_hi << 8) | \
-                                ti->hsync_pulse_width_lo);
-                mode->htotal = mode->hdisplay + ((ti->hblank_hi << 8) | \
-                                                        ti->hblank_lo);
-                mode->vsync_start = \
-                        mode->vdisplay + ((ti->vsync_offset_hi << 4) | \
-                                                ti->vsync_offset_lo);
-                mode->vsync_end = \
-                        mode->vsync_start + ((ti->vsync_pulse_width_hi << 4) | \
-                                                ti->vsync_pulse_width_lo);
-                mode->vtotal = mode->vdisplay + \
-                                ((ti->vblank_hi << 8) | ti->vblank_lo);
-                mode->clock = ti->pixel_clock * 10;
-#if 0
-                printk(KERN_INFO "hdisplay is %d\n", mode->hdisplay);
-                printk(KERN_INFO "vdisplay is %d\n", mode->vdisplay);
-                printk(KERN_INFO "HSS is %d\n", mode->hsync_start);
-                printk(KERN_INFO "HSE is %d\n", mode->hsync_end);
-                printk(KERN_INFO "htotal is %d\n", mode->htotal);
-                printk(KERN_INFO "VSS is %d\n", mode->vsync_start);
-                printk(KERN_INFO "VSE is %d\n", mode->vsync_end);
-                printk(KERN_INFO "vtotal is %d\n", mode->vtotal);
-                printk(KERN_INFO "clock is %d\n", mode->clock);
-#endif
-        } else
-                mode = drm_mode_duplicate(dev, &lvds_configuration_modes[2]);
-
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-
-        return mode;
-}
-
-/**
- * mrst_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void mrst_lvds_init(struct drm_device *dev,
-                    struct psb_intel_mode_device *mode_dev)
-{
-        struct psb_intel_output *psb_intel_output;
-        struct drm_connector *connector;
-        struct drm_encoder *encoder;
-        struct drm_psb_private *dev_priv =
-                                (struct drm_psb_private *) dev->dev_private;
-        struct edid *edid;
-        int ret = 0;
-        struct i2c_adapter *i2c_adap;
-        struct drm_display_mode *scan;  /* *modes, *bios_mode; */
-
-        psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-        if (!psb_intel_output)
-                return;
-
-        psb_intel_output->mode_dev = mode_dev;
-        connector = &psb_intel_output->base;
-        encoder = &psb_intel_output->enc;
-        dev_priv->is_lvds_on = true;
-        drm_connector_init(dev, &psb_intel_output->base,
-                           &psb_intel_lvds_connector_funcs,
-                           DRM_MODE_CONNECTOR_LVDS);
-
-        drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_lvds_enc_funcs,
-                         DRM_MODE_ENCODER_LVDS);
-
-        drm_mode_connector_attach_encoder(&psb_intel_output->base,
-                                          &psb_intel_output->enc);
-        psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-        drm_encoder_helper_add(encoder, &mrst_lvds_helper_funcs);
-        drm_connector_helper_add(connector,
-                                 &psb_intel_lvds_connector_helper_funcs);
-        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-        connector->interlace_allowed = false;
-        connector->doublescan_allowed = false;
-
-        drm_connector_attach_property(connector,
-                                        dev->mode_config.scaling_mode_property,
-                                        DRM_MODE_SCALE_FULLSCREEN);
-        drm_connector_attach_property(connector,
-                                        dev_priv->backlight_property,
-                                        BRIGHTNESS_MAX_LEVEL);
-
-        mode_dev->panel_wants_dither = false;
-        if (dev_priv->vbt_data.size != 0x00)
-                mode_dev->panel_wants_dither = (dev_priv->gct_data.
-                        Panel_Port_Control & MRST_PANEL_8TO6_DITHER_ENABLE);
-
-        /*
-         * LVDS discovery:
-         * 1) check for EDID on DDC
-         * 2) check for VBT data
-         * 3) check to see if LVDS is already on
-         *    if none of the above, no panel
-         * 4) make sure lid is open
-         *    if closed, act like it's not there for now
-         */
-
-        i2c_adap = i2c_get_adapter(dev_priv->ops->i2c_bus);
-
-        if (i2c_adap == NULL)
-                dev_err(dev->dev, "No ddc adapter available!\n");
-        /*
-         * Attempt to get the fixed panel mode from DDC.  Assume that the
-         * preferred mode is the right one.
-         */
-        if (i2c_adap) {
-                edid = drm_get_edid(connector, i2c_adap);
-                if (edid) {
-                        drm_mode_connector_update_edid_property(connector,
-                                                                        edid);
-                        ret = drm_add_edid_modes(connector, edid);
-                        kfree(edid);
-                }
-
-                list_for_each_entry(scan, &connector->probed_modes, head) {
-                        if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-                                mode_dev->panel_fixed_mode =
-                                    drm_mode_duplicate(dev, scan);
-                                goto out;       /* FIXME: check for quirks */
-                        }
-                }
-        }
-        /*
-         * If we didn't get EDID, try geting panel timing
-         * from configuration data
-         */
-        mode_dev->panel_fixed_mode = mrst_lvds_get_configuration_mode(dev);
-
-        if (mode_dev->panel_fixed_mode) {
-                mode_dev->panel_fixed_mode->type |= DRM_MODE_TYPE_PREFERRED;
-                goto out;       /* FIXME: check for quirks */
-        }
-
-        /* If we still don't have a mode after all that, give up. */
-        if (!mode_dev->panel_fixed_mode) {
-                dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
-                goto failed_find;
-        }
-
-out:
-        drm_sysfs_connector_add(connector);
-        return;
-
-failed_find:
-        dev_dbg(dev->dev, "No LVDS modes found, disabling.\n");
-        if (psb_intel_output->ddc_bus)
-                psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-
-/* failed_ddc: */
-
-        drm_encoder_cleanup(encoder);
-        drm_connector_cleanup(connector);
-        kfree(connector);
-}
-
diff --git a/drivers/staging/gma500/power.c b/drivers/staging/gma500/power.c
deleted file mode 100644
index 408257038335..000000000000
--- a/drivers/staging/gma500/power.c
+++ /dev/null
@@ -1,318 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- * Massively reworked
- *    Alan Cox <alan@linux.intel.com>
- */
-
-#include "power.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <linux/mutex.h>
-#include <linux/pm_runtime.h>
-
-static struct mutex power_mutex;        /* Serialize power ops */
-static spinlock_t power_ctrl_lock;      /* Serialize power claim */
-
-/**
- *      gma_power_init          -       initialise power manager
- *      @dev: our device
- *
- *      Set up for power management tracking of our hardware.
- */
-void gma_power_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        /* FIXME: Move APM/OSPM base into relevant device code */
-        dev_priv->apm_base = dev_priv->apm_reg & 0xffff;
-        dev_priv->ospm_base &= 0xffff;
-
-        dev_priv->display_power = true; /* We start active */
-        dev_priv->display_count = 0;    /* Currently no users */
-        dev_priv->suspended = false;    /* And not suspended */
-        spin_lock_init(&power_ctrl_lock);
-        mutex_init(&power_mutex);
-
-        dev_priv->ops->init_pm(dev);
-}
-
-/**
- *      gma_power_uninit        -       end power manager
- *      @dev: device to end for
- *
- *      Undo the effects of gma_power_init
- */
-void gma_power_uninit(struct drm_device *dev)
-{
-        pm_runtime_disable(&dev->pdev->dev);
-        pm_runtime_set_suspended(&dev->pdev->dev);
-}
-
-/**
- *      gma_suspend_display     -       suspend the display logic
- *      @dev: our DRM device
- *
- *      Suspend the display logic of the graphics interface
- */
-static void gma_suspend_display(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (!dev_priv->display_power)
-                return;
-        dev_priv->ops->save_regs(dev);
-        dev_priv->ops->power_down(dev);
-        dev_priv->display_power = false;
-}
-
-/**
- *      gma_resume_display      -       resume display side logic
- *
- *      Resume the display hardware restoring state and enabling
- *      as necessary.
- */
-static void gma_resume_display(struct pci_dev *pdev)
-{
-        struct drm_device *dev = pci_get_drvdata(pdev);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (dev_priv->display_power)
-                return;
-
-        /* turn on the display power island */
-        dev_priv->ops->power_up(dev);
-        dev_priv->suspended = false;
-        dev_priv->display_power = true;
-
-        PSB_WVDC32(dev_priv->pge_ctl | _PSB_PGETBL_ENABLED, PSB_PGETBL_CTL);
-        pci_write_config_word(pdev, PSB_GMCH_CTRL,
-                        dev_priv->gmch_ctrl | _PSB_GMCH_ENABLED);
-        dev_priv->ops->restore_regs(dev);
-}
-
-/**
- *      gma_suspend_pci         -       suspend PCI side
- *      @pdev: PCI device
- *
- *      Perform the suspend processing on our PCI device state
- */
-static void gma_suspend_pci(struct pci_dev *pdev)
-{
-        struct drm_device *dev = pci_get_drvdata(pdev);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int bsm, vbt;
-
-        if (dev_priv->suspended)
-                return;
-
-        pci_save_state(pdev);
-        pci_read_config_dword(pdev, 0x5C, &bsm);
-        dev_priv->saveBSM = bsm;
-        pci_read_config_dword(pdev, 0xFC, &vbt);
-        dev_priv->saveVBT = vbt;
-        pci_read_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, &dev_priv->msi_addr);
-        pci_read_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, &dev_priv->msi_data);
-
-        pci_disable_device(pdev);
-        pci_set_power_state(pdev, PCI_D3hot);
-
-        dev_priv->suspended = true;
-}
-
-/**
- *      gma_resume_pci          -       resume helper
- *      @dev: our PCI device
- *
- *      Perform the resume processing on our PCI device state - rewrite
- *      register state and re-enable the PCI device
- */
-static bool gma_resume_pci(struct pci_dev *pdev)
-{
-        struct drm_device *dev = pci_get_drvdata(pdev);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int ret;
-
-        if (!dev_priv->suspended)
-                return true;
-
-        pci_set_power_state(pdev, PCI_D0);
-        pci_restore_state(pdev);
-        pci_write_config_dword(pdev, 0x5c, dev_priv->saveBSM);
-        pci_write_config_dword(pdev, 0xFC, dev_priv->saveVBT);
-        /* restoring MSI address and data in PCIx space */
-        pci_write_config_dword(pdev, PSB_PCIx_MSI_ADDR_LOC, dev_priv->msi_addr);
-        pci_write_config_dword(pdev, PSB_PCIx_MSI_DATA_LOC, dev_priv->msi_data);
-        ret = pci_enable_device(pdev);
-
-        if (ret != 0)
-                dev_err(&pdev->dev, "pci_enable failed: %d\n", ret);
-        else
-                dev_priv->suspended = false;
-        return !dev_priv->suspended;
-}
-
-/**
- *      gma_power_suspend               -       bus callback for suspend
- *      @pdev: our PCI device
- *      @state: suspend type
- *
- *      Called back by the PCI layer during a suspend of the system. We
- *      perform the necessary shut down steps and save enough state that
- *      we can undo this when resume is called.
- */
-int gma_power_suspend(struct device *_dev)
-{
-        struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
-        struct drm_device *dev = pci_get_drvdata(pdev);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        mutex_lock(&power_mutex);
-        if (!dev_priv->suspended) {
-                if (dev_priv->display_count) {
-                        mutex_unlock(&power_mutex);
-                        return -EBUSY;
-                }
-                psb_irq_uninstall(dev);
-                gma_suspend_display(dev);
-                gma_suspend_pci(pdev);
-        }
-        mutex_unlock(&power_mutex);
-        return 0;
-}
-
-/**
- *      gma_power_resume                -       resume power
- *      @pdev: PCI device
- *
- *      Resume the PCI side of the graphics and then the displays
- */
-int gma_power_resume(struct device *_dev)
-{
-        struct pci_dev *pdev = container_of(_dev, struct pci_dev, dev);
-        struct drm_device *dev = pci_get_drvdata(pdev);
-
-        mutex_lock(&power_mutex);
-        gma_resume_pci(pdev);
-        gma_resume_display(pdev);
-        psb_irq_preinstall(dev);
-        psb_irq_postinstall(dev);
-        mutex_unlock(&power_mutex);
-        return 0;
-}
-
-/**
- *      gma_power_is_on         -       returne true if power is on
- *      @dev: our DRM device
- *
- *      Returns true if the display island power is on at this moment
- */
-bool gma_power_is_on(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        return dev_priv->display_power;
-}
-
-/**
- *      gma_power_begin         -       begin requiring power
- *      @dev: our DRM device
- *      @force_on: true to force power on
- *
- *      Begin an action that requires the display power island is enabled.
- *      We refcount the islands.
- */
-bool gma_power_begin(struct drm_device *dev, bool force_on)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int ret;
-        unsigned long flags;
-
-        spin_lock_irqsave(&power_ctrl_lock, flags);
-        /* Power already on ? */
-        if (dev_priv->display_power) {
-                dev_priv->display_count++;
-                pm_runtime_get(&dev->pdev->dev);
-                spin_unlock_irqrestore(&power_ctrl_lock, flags);
-                return true;
-        }
-        if (force_on == false)
-                goto out_false;
-
-        /* Ok power up needed */
-        ret = gma_resume_pci(dev->pdev);
-        if (ret == 0) {
-                /* FIXME: we want to defer this for Medfield/Oaktrail */
-                gma_resume_display(dev->pdev);
-                psb_irq_preinstall(dev);
-                psb_irq_postinstall(dev);
-                pm_runtime_get(&dev->pdev->dev);
-                dev_priv->display_count++;
-                spin_unlock_irqrestore(&power_ctrl_lock, flags);
-                return true;
-        }
-out_false:
-        spin_unlock_irqrestore(&power_ctrl_lock, flags);
-        return false;
-}
-
-/**
- *      gma_power_end           -       end use of power
- *      @dev: Our DRM device
- *
- *      Indicate that one of our gma_power_begin() requested periods when
- *      the diplay island power is needed has completed.
- */
-void gma_power_end(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long flags;
-        spin_lock_irqsave(&power_ctrl_lock, flags);
-        dev_priv->display_count--;
-        WARN_ON(dev_priv->display_count < 0);
-        spin_unlock_irqrestore(&power_ctrl_lock, flags);
-        pm_runtime_put(&dev->pdev->dev);
-}
-
-int psb_runtime_suspend(struct device *dev)
-{
-        return gma_power_suspend(dev);
-}
-
-int psb_runtime_resume(struct device *dev)
-{
-        return gma_power_resume(dev);;
-}
-
-int psb_runtime_idle(struct device *dev)
-{
-        struct drm_device *drmdev = pci_get_drvdata(to_pci_dev(dev));
-        struct drm_psb_private *dev_priv = drmdev->dev_private;
-        if (dev_priv->display_count)
-                return 0;
-        else
-                return 1;
-}
diff --git a/drivers/staging/gma500/power.h b/drivers/staging/gma500/power.h
deleted file mode 100644
index 1969d2ecb328..000000000000
--- a/drivers/staging/gma500/power.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
-
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- * Massively reworked
- *    Alan Cox <alan@linux.intel.com>
- */
-#ifndef _PSB_POWERMGMT_H_
-#define _PSB_POWERMGMT_H_
-
-#include <linux/pci.h>
-#include <drm/drmP.h>
-
-void gma_power_init(struct drm_device *dev);
-void gma_power_uninit(struct drm_device *dev);
-
-/*
- * The kernel bus power management  will call these functions
- */
-int gma_power_suspend(struct device *dev);
-int gma_power_resume(struct device *dev);
-
-/*
- * These are the functions the driver should use to wrap all hw access
- * (i.e. register reads and writes)
- */
-bool gma_power_begin(struct drm_device *dev, bool force);
-void gma_power_end(struct drm_device *dev);
-
-/*
- * Use this function to do an instantaneous check for if the hw is on.
- * Only use this in cases where you know the mutex is already held such
- * as in irq install/uninstall and you need to
- * prevent a deadlock situation.  Otherwise use gma_power_begin().
- */
-bool gma_power_is_on(struct drm_device *dev);
-
-/*
- * GFX-Runtime PM callbacks
- */
-int psb_runtime_suspend(struct device *dev);
-int psb_runtime_resume(struct device *dev);
-int psb_runtime_idle(struct device *dev);
-
-#endif /*_PSB_POWERMGMT_H_*/
diff --git a/drivers/staging/gma500/psb_device.c b/drivers/staging/gma500/psb_device.c
deleted file mode 100644
index b97aa78519f2..000000000000
--- a/drivers/staging/gma500/psb_device.c
+++ /dev/null
@@ -1,321 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <linux/backlight.h>
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-
-
-static int psb_output_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        psb_intel_lvds_init(dev, &dev_priv->mode_dev);
-        psb_intel_sdvo_init(dev, SDVOB);
-        return 0;
-}
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-
-/*
- *      Poulsbo Backlight Interfaces
- */
-
-#define BLC_PWM_PRECISION_FACTOR 100    /* 10000000 */
-#define BLC_PWM_FREQ_CALC_CONSTANT 32
-#define MHz 1000000
-
-#define PSB_BLC_PWM_PRECISION_FACTOR    10
-#define PSB_BLC_MAX_PWM_REG_FREQ        0xFFFE
-#define PSB_BLC_MIN_PWM_REG_FREQ        0x2
-
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT     (16)
-
-static int psb_brightness;
-static struct backlight_device *psb_backlight_device;
-
-static int psb_get_brightness(struct backlight_device *bd)
-{
-        /* return locally cached var instead of HW read (due to DPST etc.) */
-        /* FIXME: ideally return actual value in case firmware fiddled with
-           it */
-        return psb_brightness;
-}
-
-
-static int psb_backlight_setup(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long core_clock;
-        /* u32 bl_max_freq; */
-        /* unsigned long value; */
-        u16 bl_max_freq;
-        uint32_t value;
-        uint32_t blc_pwm_precision_factor;
-
-        /* get bl_max_freq and pol from dev_priv*/
-        if (!dev_priv->lvds_bl) {
-                dev_err(dev->dev, "Has no valid LVDS backlight info\n");
-                return -ENOENT;
-        }
-        bl_max_freq = dev_priv->lvds_bl->freq;
-        blc_pwm_precision_factor = PSB_BLC_PWM_PRECISION_FACTOR;
-
-        core_clock = dev_priv->core_freq;
-
-        value = (core_clock * MHz) / BLC_PWM_FREQ_CALC_CONSTANT;
-        value *= blc_pwm_precision_factor;
-        value /= bl_max_freq;
-        value /= blc_pwm_precision_factor;
-
-        if (value > (unsigned long long)PSB_BLC_MAX_PWM_REG_FREQ ||
-                 value < (unsigned long long)PSB_BLC_MIN_PWM_REG_FREQ)
-                                return -ERANGE;
-        else {
-                value &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-                REG_WRITE(BLC_PWM_CTL,
-                        (value << PSB_BACKLIGHT_PWM_CTL_SHIFT) | (value));
-        }
-        return 0;
-}
-
-static int psb_set_brightness(struct backlight_device *bd)
-{
-        struct drm_device *dev = bl_get_data(psb_backlight_device);
-        int level = bd->props.brightness;
-
-        /* Percentage 1-100% being valid */
-        if (level < 1)
-                level = 1;
-
-        psb_intel_lvds_set_brightness(dev, level);
-        psb_brightness = level;
-        return 0;
-}
-
-static const struct backlight_ops psb_ops = {
-        .get_brightness = psb_get_brightness,
-        .update_status  = psb_set_brightness,
-};
-
-static int psb_backlight_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        int ret;
-        struct backlight_properties props;
-
-        memset(&props, 0, sizeof(struct backlight_properties));
-        props.max_brightness = 100;
-        props.type = BACKLIGHT_PLATFORM;
-
-        psb_backlight_device = backlight_device_register("psb-bl",
-                                        NULL, (void *)dev, &psb_ops, &props);
-        if (IS_ERR(psb_backlight_device))
-                return PTR_ERR(psb_backlight_device);
-
-        ret = psb_backlight_setup(dev);
-        if (ret < 0) {
-                backlight_device_unregister(psb_backlight_device);
-                psb_backlight_device = NULL;
-                return ret;
-        }
-        psb_backlight_device->props.brightness = 100;
-        psb_backlight_device->props.max_brightness = 100;
-        backlight_update_status(psb_backlight_device);
-        dev_priv->backlight_device = psb_backlight_device;
-        return 0;
-}
-
-#endif
-
-/*
- *      Provide the Poulsbo specific chip logic and low level methods
- *      for power management
- */
-
-static void psb_init_pm(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        u32 gating = PSB_RSGX32(PSB_CR_CLKGATECTL);
-        gating &= ~3;   /* Disable 2D clock gating */
-        gating |= 1;
-        PSB_WSGX32(gating, PSB_CR_CLKGATECTL);
-        PSB_RSGX32(PSB_CR_CLKGATECTL);
-}
-
-/**
- *      psb_save_display_registers      -       save registers lost on suspend
- *      @dev: our DRM device
- *
- *      Save the state we need in order to be able to restore the interface
- *      upon resume from suspend
- */
-static int psb_save_display_registers(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_crtc *crtc;
-        struct drm_connector *connector;
-
-        /* Display arbitration control + watermarks */
-        dev_priv->saveDSPARB = PSB_RVDC32(DSPARB);
-        dev_priv->saveDSPFW1 = PSB_RVDC32(DSPFW1);
-        dev_priv->saveDSPFW2 = PSB_RVDC32(DSPFW2);
-        dev_priv->saveDSPFW3 = PSB_RVDC32(DSPFW3);
-        dev_priv->saveDSPFW4 = PSB_RVDC32(DSPFW4);
-        dev_priv->saveDSPFW5 = PSB_RVDC32(DSPFW5);
-        dev_priv->saveDSPFW6 = PSB_RVDC32(DSPFW6);
-        dev_priv->saveCHICKENBIT = PSB_RVDC32(DSPCHICKENBIT);
-
-        /* Save crtc and output state */
-        mutex_lock(&dev->mode_config.mutex);
-        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-                if (drm_helper_crtc_in_use(crtc))
-                        crtc->funcs->save(crtc);
-        }
-
-        list_for_each_entry(connector, &dev->mode_config.connector_list, head)
-                connector->funcs->save(connector);
-
-        mutex_unlock(&dev->mode_config.mutex);
-        return 0;
-}
-
-/**
- *      psb_restore_display_registers   -       restore lost register state
- *      @dev: our DRM device
- *
- *      Restore register state that was lost during suspend and resume.
- */
-static int psb_restore_display_registers(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_crtc *crtc;
-        struct drm_connector *connector;
-
-        /* Display arbitration + watermarks */
-        PSB_WVDC32(dev_priv->saveDSPARB, DSPARB);
-        PSB_WVDC32(dev_priv->saveDSPFW1, DSPFW1);
-        PSB_WVDC32(dev_priv->saveDSPFW2, DSPFW2);
-        PSB_WVDC32(dev_priv->saveDSPFW3, DSPFW3);
-        PSB_WVDC32(dev_priv->saveDSPFW4, DSPFW4);
-        PSB_WVDC32(dev_priv->saveDSPFW5, DSPFW5);
-        PSB_WVDC32(dev_priv->saveDSPFW6, DSPFW6);
-        PSB_WVDC32(dev_priv->saveCHICKENBIT, DSPCHICKENBIT);
-
-        /*make sure VGA plane is off. it initializes to on after reset!*/
-        PSB_WVDC32(0x80000000, VGACNTRL);
-
-        mutex_lock(&dev->mode_config.mutex);
-        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head)
-                if (drm_helper_crtc_in_use(crtc))
-                        crtc->funcs->restore(crtc);
-
-        list_for_each_entry(connector, &dev->mode_config.connector_list, head)
-                connector->funcs->restore(connector);
-
-        mutex_unlock(&dev->mode_config.mutex);
-        return 0;
-}
-
-static int psb_power_down(struct drm_device *dev)
-{
-        return 0;
-}
-
-static int psb_power_up(struct drm_device *dev)
-{
-        return 0;
-}
-
-static void psb_get_core_freq(struct drm_device *dev)
-{
-        uint32_t clock;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        /*pci_write_config_dword(pci_root, 0xD4, 0x00C32004);*/
-        /*pci_write_config_dword(pci_root, 0xD0, 0xE0033000);*/
-
-        pci_write_config_dword(pci_root, 0xD0, 0xD0050300);
-        pci_read_config_dword(pci_root, 0xD4, &clock);
-        pci_dev_put(pci_root);
-
-        switch (clock & 0x07) {
-        case 0:
-                dev_priv->core_freq = 100;
-                break;
-        case 1:
-                dev_priv->core_freq = 133;
-                break;
-        case 2:
-                dev_priv->core_freq = 150;
-                break;
-        case 3:
-                dev_priv->core_freq = 178;
-                break;
-        case 4:
-                dev_priv->core_freq = 200;
-                break;
-        case 5:
-        case 6:
-        case 7:
-                dev_priv->core_freq = 266;
-        default:
-                dev_priv->core_freq = 0;
-        }
-}
-
-static int psb_chip_setup(struct drm_device *dev)
-{
-        psb_get_core_freq(dev);
-        gma_intel_opregion_init(dev);
-        psb_intel_init_bios(dev);
-        return 0;
-}
-
-const struct psb_ops psb_chip_ops = {
-        .name = "Poulsbo",
-        .accel_2d = 1,
-        .pipes = 2,
-        .crtcs = 2,
-        .sgx_offset = PSB_SGX_OFFSET,
-        .chip_setup = psb_chip_setup,
-
-        .crtc_helper = &psb_intel_helper_funcs,
-        .crtc_funcs = &psb_intel_crtc_funcs,
-
-        .output_init = psb_output_init,
-
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        .backlight_init = psb_backlight_init,
-#endif
-
-        .init_pm = psb_init_pm,
-        .save_regs = psb_save_display_registers,
-        .restore_regs = psb_restore_display_registers,
-        .power_down = psb_power_down,
-        .power_up = psb_power_up,
-};
-
diff --git a/drivers/staging/gma500/psb_drm.h b/drivers/staging/gma500/psb_drm.h
deleted file mode 100644
index 0da846835688..000000000000
--- a/drivers/staging/gma500/psb_drm.h
+++ /dev/null
@@ -1,219 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- * Copyright (c) 2008, Tungsten Graphics Inc.  Cedar Park, TX., USA.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_DRM_H_
-#define _PSB_DRM_H_
-
-#define PSB_NUM_PIPE 3
-
-#define PSB_GPU_ACCESS_READ         (1ULL << 32)
-#define PSB_GPU_ACCESS_WRITE        (1ULL << 33)
-#define PSB_GPU_ACCESS_MASK         (PSB_GPU_ACCESS_READ | PSB_GPU_ACCESS_WRITE)
-
-#define PSB_BO_FLAG_COMMAND         (1ULL << 52)
-
-/*
- * Feedback components:
- */
-
-struct drm_psb_sizes_arg {
-        u32 ta_mem_size;
-        u32 mmu_size;
-        u32 pds_size;
-        u32 rastgeom_size;
-        u32 tt_size;
-        u32 vram_size;
-};
-
-struct drm_psb_dpst_lut_arg {
-        uint8_t lut[256];
-        int output_id;
-};
-
-#define PSB_DC_CRTC_SAVE 0x01
-#define PSB_DC_CRTC_RESTORE 0x02
-#define PSB_DC_OUTPUT_SAVE 0x04
-#define PSB_DC_OUTPUT_RESTORE 0x08
-#define PSB_DC_CRTC_MASK 0x03
-#define PSB_DC_OUTPUT_MASK 0x0C
-
-struct drm_psb_dc_state_arg {
-        u32 flags;
-        u32 obj_id;
-};
-
-struct drm_psb_mode_operation_arg {
-        u32 obj_id;
-        u16 operation;
-        struct drm_mode_modeinfo mode;
-        void *data;
-};
-
-struct drm_psb_stolen_memory_arg {
-        u32 base;
-        u32 size;
-};
-
-/*Display Register Bits*/
-#define REGRWBITS_PFIT_CONTROLS                 (1 << 0)
-#define REGRWBITS_PFIT_AUTOSCALE_RATIOS         (1 << 1)
-#define REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS  (1 << 2)
-#define REGRWBITS_PIPEASRC                      (1 << 3)
-#define REGRWBITS_PIPEBSRC                      (1 << 4)
-#define REGRWBITS_VTOTAL_A                      (1 << 5)
-#define REGRWBITS_VTOTAL_B                      (1 << 6)
-#define REGRWBITS_DSPACNTR      (1 << 8)
-#define REGRWBITS_DSPBCNTR      (1 << 9)
-#define REGRWBITS_DSPCCNTR      (1 << 10)
-
-/*Overlay Register Bits*/
-#define OV_REGRWBITS_OVADD                      (1 << 0)
-#define OV_REGRWBITS_OGAM_ALL                   (1 << 1)
-
-#define OVC_REGRWBITS_OVADD                  (1 << 2)
-#define OVC_REGRWBITS_OGAM_ALL                  (1 << 3)
-
-struct drm_psb_register_rw_arg {
-        u32 b_force_hw_on;
-
-        u32 display_read_mask;
-        u32 display_write_mask;
-
-        struct {
-                u32 pfit_controls;
-                u32 pfit_autoscale_ratios;
-                u32 pfit_programmed_scale_ratios;
-                u32 pipeasrc;
-                u32 pipebsrc;
-                u32 vtotal_a;
-                u32 vtotal_b;
-        } display;
-
-        u32 overlay_read_mask;
-        u32 overlay_write_mask;
-
-        struct {
-                u32 OVADD;
-                u32 OGAMC0;
-                u32 OGAMC1;
-                u32 OGAMC2;
-                u32 OGAMC3;
-                u32 OGAMC4;
-                u32 OGAMC5;
-                u32 IEP_ENABLED;
-                u32 IEP_BLE_MINMAX;
-                u32 IEP_BSSCC_CONTROL;
-                u32 b_wait_vblank;
-        } overlay;
-
-        u32 sprite_enable_mask;
-        u32 sprite_disable_mask;
-
-        struct {
-                u32 dspa_control;
-                u32 dspa_key_value;
-                u32 dspa_key_mask;
-                u32 dspc_control;
-                u32 dspc_stride;
-                u32 dspc_position;
-                u32 dspc_linear_offset;
-                u32 dspc_size;
-                u32 dspc_surface;
-        } sprite;
-
-        u32 subpicture_enable_mask;
-        u32 subpicture_disable_mask;
-};
-
-/* Controlling the kernel modesetting buffers */
-
-#define DRM_PSB_SIZES           0x07
-#define DRM_PSB_FUSE_REG        0x08
-#define DRM_PSB_DC_STATE        0x0A
-#define DRM_PSB_ADB             0x0B
-#define DRM_PSB_MODE_OPERATION  0x0C
-#define DRM_PSB_STOLEN_MEMORY   0x0D
-#define DRM_PSB_REGISTER_RW     0x0E
-
-/*
- * NOTE: Add new commands here, but increment
- * the values below and increment their
- * corresponding defines where they're
- * defined elsewhere.
- */
-
-#define DRM_PSB_GEM_CREATE      0x10
-#define DRM_PSB_2D_OP           0x11
-#define DRM_PSB_GEM_MMAP        0x12
-#define DRM_PSB_DPST            0x1B
-#define DRM_PSB_GAMMA           0x1C
-#define DRM_PSB_DPST_BL         0x1D
-#define DRM_PSB_GET_PIPE_FROM_CRTC_ID 0x1F
-
-#define PSB_MODE_OPERATION_MODE_VALID   0x01
-#define PSB_MODE_OPERATION_SET_DC_BASE  0x02
-
-struct drm_psb_get_pipe_from_crtc_id_arg {
-        /** ID of CRTC being requested **/
-        u32 crtc_id;
-
-        /** pipe of requested CRTC **/
-        u32 pipe;
-};
-
-/* FIXME: move this into a medfield header once we are sure it isn't needed for an
-   ioctl  */
-struct psb_drm_dpu_rect {  
-        int x, y;             
-        int width, height;    
-};  
-
-struct drm_psb_gem_create {
-        __u64 size;
-        __u32 handle;
-        __u32 flags;
-#define PSB_GEM_CREATE_STOLEN           1       /* Stolen memory can be used */
-};
-
-#define PSB_2D_OP_BUFLEN                16
-
-struct drm_psb_2d_op {
-        __u32 src;              /* Handles, only src supported right now */
-        __u32 dst;
-        __u32 mask;
-        __u32 pat;
-        __u32 size;             /* In dwords of command */
-        __u32 spare;            /* And bumps array to u64 align */
-        __u32 cmd[PSB_2D_OP_BUFLEN];
-};
-
-struct drm_psb_gem_mmap {
-        __u32 handle;
-        __u32 pad;
-        /**
-         * Fake offset to use for subsequent mmap call
-         *
-         * This is a fixed-size type for 32/64 compatibility.
-         */
-        __u64 offset;
-};
-
-#endif
diff --git a/drivers/staging/gma500/psb_drv.c b/drivers/staging/gma500/psb_drv.c
deleted file mode 100644
index 95816808f867..000000000000
--- a/drivers/staging/gma500/psb_drv.c
+++ /dev/null
@@ -1,1230 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- * Copyright (c) 2008, Tungsten Graphics, Inc. Cedar Park, TX., USA.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include <drm/drm.h>
-#include "psb_drm.h"
-#include "psb_drv.h"
-#include "framebuffer.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "intel_bios.h"
-#include "mid_bios.h"
-#include "mdfld_dsi_dbi.h"
-#include <drm/drm_pciids.h>
-#include "power.h"
-#include <linux/cpu.h>
-#include <linux/notifier.h>
-#include <linux/spinlock.h>
-#include <linux/pm_runtime.h>
-#include <linux/module.h>
-#include <acpi/video.h>
-
-static int drm_psb_trap_pagefaults;
-
-int drm_psb_no_fb;
-
-static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
-
-MODULE_PARM_DESC(no_fb, "Disable FBdev");
-MODULE_PARM_DESC(trap_pagefaults, "Error and reset on MMU pagefaults");
-module_param_named(no_fb, drm_psb_no_fb, int, 0600);
-module_param_named(trap_pagefaults, drm_psb_trap_pagefaults, int, 0600);
-
-
-static DEFINE_PCI_DEVICE_TABLE(pciidlist) = {
-        { 0x8086, 0x8108, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
-        { 0x8086, 0x8109, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &psb_chip_ops },
-#if defined(CONFIG_DRM_PSB_MRST)
-        { 0x8086, 0x4100, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-        { 0x8086, 0x4101, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-        { 0x8086, 0x4102, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-        { 0x8086, 0x4103, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-        { 0x8086, 0x4104, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-        { 0x8086, 0x4105, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-        { 0x8086, 0x4106, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-        { 0x8086, 0x4107, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mrst_chip_ops},
-#endif
-#if defined(CONFIG_DRM_PSB_MFLD)
-        { 0x8086, 0x0130, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-        { 0x8086, 0x0131, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-        { 0x8086, 0x0132, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-        { 0x8086, 0x0133, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-        { 0x8086, 0x0134, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-        { 0x8086, 0x0135, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-        { 0x8086, 0x0136, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-        { 0x8086, 0x0137, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &mdfld_chip_ops},
-#endif
-#if defined(CONFIG_DRM_PSB_CDV)
-        { 0x8086, 0x0be0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-        { 0x8086, 0x0be1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-        { 0x8086, 0x0be2, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-        { 0x8086, 0x0be3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-        { 0x8086, 0x0be4, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-        { 0x8086, 0x0be5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-        { 0x8086, 0x0be6, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-        { 0x8086, 0x0be7, PCI_ANY_ID, PCI_ANY_ID, 0, 0, (long) &cdv_chip_ops},
-#endif
-        { 0, 0, 0}
-};
-MODULE_DEVICE_TABLE(pci, pciidlist);
-
-/*
- * Standard IOCTLs.
- */
-
-#define DRM_IOCTL_PSB_SIZES     \
-                DRM_IOR(DRM_PSB_SIZES + DRM_COMMAND_BASE, \
-                        struct drm_psb_sizes_arg)
-#define DRM_IOCTL_PSB_FUSE_REG  \
-                DRM_IOWR(DRM_PSB_FUSE_REG + DRM_COMMAND_BASE, uint32_t)
-#define DRM_IOCTL_PSB_DC_STATE  \
-                DRM_IOW(DRM_PSB_DC_STATE + DRM_COMMAND_BASE, \
-                        struct drm_psb_dc_state_arg)
-#define DRM_IOCTL_PSB_ADB       \
-                DRM_IOWR(DRM_PSB_ADB + DRM_COMMAND_BASE, uint32_t)
-#define DRM_IOCTL_PSB_MODE_OPERATION    \
-                DRM_IOWR(DRM_PSB_MODE_OPERATION + DRM_COMMAND_BASE, \
-                         struct drm_psb_mode_operation_arg)
-#define DRM_IOCTL_PSB_STOLEN_MEMORY     \
-                DRM_IOWR(DRM_PSB_STOLEN_MEMORY + DRM_COMMAND_BASE, \
-                         struct drm_psb_stolen_memory_arg)
-#define DRM_IOCTL_PSB_REGISTER_RW       \
-                DRM_IOWR(DRM_PSB_REGISTER_RW + DRM_COMMAND_BASE, \
-                         struct drm_psb_register_rw_arg)
-#define DRM_IOCTL_PSB_DPST      \
-                DRM_IOWR(DRM_PSB_DPST + DRM_COMMAND_BASE, \
-                         uint32_t)
-#define DRM_IOCTL_PSB_GAMMA     \
-                DRM_IOWR(DRM_PSB_GAMMA + DRM_COMMAND_BASE, \
-                         struct drm_psb_dpst_lut_arg)
-#define DRM_IOCTL_PSB_DPST_BL   \
-                DRM_IOWR(DRM_PSB_DPST_BL + DRM_COMMAND_BASE, \
-                         uint32_t)
-#define DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID     \
-                DRM_IOWR(DRM_PSB_GET_PIPE_FROM_CRTC_ID + DRM_COMMAND_BASE, \
-                         struct drm_psb_get_pipe_from_crtc_id_arg)
-#define DRM_IOCTL_PSB_GEM_CREATE        \
-                DRM_IOWR(DRM_PSB_GEM_CREATE + DRM_COMMAND_BASE, \
-                         struct drm_psb_gem_create)
-#define DRM_IOCTL_PSB_2D_OP     \
-                DRM_IOW(DRM_PSB_2D_OP + DRM_COMMAND_BASE, \
-                         struct drm_psb_2d_op)
-#define DRM_IOCTL_PSB_GEM_MMAP  \
-                DRM_IOWR(DRM_PSB_GEM_MMAP + DRM_COMMAND_BASE, \
-                         struct drm_psb_gem_mmap)
-
-static int psb_sizes_ioctl(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv);
-static int psb_dc_state_ioctl(struct drm_device *dev, void * data,
-                              struct drm_file *file_priv);
-static int psb_adb_ioctl(struct drm_device *dev, void *data,
-                         struct drm_file *file_priv);
-static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
-                                    struct drm_file *file_priv);
-static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
-                                   struct drm_file *file_priv);
-static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
-                                 struct drm_file *file_priv);
-static int psb_dpst_ioctl(struct drm_device *dev, void *data,
-                          struct drm_file *file_priv);
-static int psb_gamma_ioctl(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv);
-static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
-                             struct drm_file *file_priv);
-
-#define PSB_IOCTL_DEF(ioctl, func, flags) \
-        [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
-
-static struct drm_ioctl_desc psb_ioctls[] = {
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_SIZES, psb_sizes_ioctl, DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_DC_STATE, psb_dc_state_ioctl, DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_ADB, psb_adb_ioctl, DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_MODE_OPERATION, psb_mode_operation_ioctl,
-                      DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_STOLEN_MEMORY, psb_stolen_memory_ioctl,
-                      DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_REGISTER_RW, psb_register_rw_ioctl,
-                      DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST, psb_dpst_ioctl, DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_GAMMA, psb_gamma_ioctl, DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_DPST_BL, psb_dpst_bl_ioctl, DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_GET_PIPE_FROM_CRTC_ID,
-                                        psb_intel_get_pipe_from_crtc_id, 0),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_CREATE, psb_gem_create_ioctl,
-                                                DRM_UNLOCKED | DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_2D_OP, psb_accel_ioctl,
-                                                DRM_UNLOCKED| DRM_AUTH),
-        PSB_IOCTL_DEF(DRM_IOCTL_PSB_GEM_MMAP, psb_gem_mmap_ioctl,
-                                                DRM_UNLOCKED | DRM_AUTH),
-};
-
-static void psb_lastclose(struct drm_device *dev)
-{
-        return;
-}
-
-static void psb_do_takedown(struct drm_device *dev)
-{
-}
-
-static int psb_do_init(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_gtt *pg = &dev_priv->gtt;
-
-        uint32_t stolen_gtt;
-
-        int ret = -ENOMEM;
-
-        if (pg->mmu_gatt_start & 0x0FFFFFFF) {
-                dev_err(dev->dev, "Gatt must be 256M aligned. This is a bug.\n");
-                ret = -EINVAL;
-                goto out_err;
-        }
-
-
-        stolen_gtt = (pg->stolen_size >> PAGE_SHIFT) * 4;
-        stolen_gtt = (stolen_gtt + PAGE_SIZE - 1) >> PAGE_SHIFT;
-        stolen_gtt =
-            (stolen_gtt < pg->gtt_pages) ? stolen_gtt : pg->gtt_pages;
-
-        dev_priv->gatt_free_offset = pg->mmu_gatt_start +
-            (stolen_gtt << PAGE_SHIFT) * 1024;
-
-        if (1 || drm_debug) {
-                uint32_t core_id = PSB_RSGX32(PSB_CR_CORE_ID);
-                uint32_t core_rev = PSB_RSGX32(PSB_CR_CORE_REVISION);
-                DRM_INFO("SGX core id = 0x%08x\n", core_id);
-                DRM_INFO("SGX core rev major = 0x%02x, minor = 0x%02x\n",
-                         (core_rev & _PSB_CC_REVISION_MAJOR_MASK) >>
-                         _PSB_CC_REVISION_MAJOR_SHIFT,
-                         (core_rev & _PSB_CC_REVISION_MINOR_MASK) >>
-                         _PSB_CC_REVISION_MINOR_SHIFT);
-                DRM_INFO
-                    ("SGX core rev maintenance = 0x%02x, designer = 0x%02x\n",
-                     (core_rev & _PSB_CC_REVISION_MAINTENANCE_MASK) >>
-                     _PSB_CC_REVISION_MAINTENANCE_SHIFT,
-                     (core_rev & _PSB_CC_REVISION_DESIGNER_MASK) >>
-                     _PSB_CC_REVISION_DESIGNER_SHIFT);
-        }
-
-
-        spin_lock_init(&dev_priv->irqmask_lock);
-        spin_lock_init(&dev_priv->lock_2d);
-
-        PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK0);
-        PSB_WSGX32(0x00000000, PSB_CR_BIF_BANK1);
-        PSB_RSGX32(PSB_CR_BIF_BANK1);
-        PSB_WSGX32(PSB_RSGX32(PSB_CR_BIF_CTRL) | _PSB_MMU_ER_MASK,
-                                                        PSB_CR_BIF_CTRL);
-        psb_spank(dev_priv);
-
-        /* mmu_gatt ?? */
-        PSB_WSGX32(pg->gatt_start, PSB_CR_BIF_TWOD_REQ_BASE);
-        return 0;
-out_err:
-        psb_do_takedown(dev);
-        return ret;
-}
-
-static int psb_driver_unload(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        /* Kill vblank etc here */
-
-        gma_backlight_exit(dev);
-
-        if (drm_psb_no_fb == 0)
-                psb_modeset_cleanup(dev);
-
-        if (dev_priv) {
-                psb_lid_timer_takedown(dev_priv);
-                gma_intel_opregion_exit(dev);
-
-                if (dev_priv->ops->chip_teardown)
-                        dev_priv->ops->chip_teardown(dev);
-                psb_do_takedown(dev);
-
-
-                if (dev_priv->pf_pd) {
-                        psb_mmu_free_pagedir(dev_priv->pf_pd);
-                        dev_priv->pf_pd = NULL;
-                }
-                if (dev_priv->mmu) {
-                        struct psb_gtt *pg = &dev_priv->gtt;
-
-                        down_read(&pg->sem);
-                        psb_mmu_remove_pfn_sequence(
-                                psb_mmu_get_default_pd
-                                (dev_priv->mmu),
-                                pg->mmu_gatt_start,
-                                dev_priv->vram_stolen_size >> PAGE_SHIFT);
-                        up_read(&pg->sem);
-                        psb_mmu_driver_takedown(dev_priv->mmu);
-                        dev_priv->mmu = NULL;
-                }
-                psb_gtt_takedown(dev);
-                if (dev_priv->scratch_page) {
-                        __free_page(dev_priv->scratch_page);
-                        dev_priv->scratch_page = NULL;
-                }
-                if (dev_priv->vdc_reg) {
-                        iounmap(dev_priv->vdc_reg);
-                        dev_priv->vdc_reg = NULL;
-                }
-                if (dev_priv->sgx_reg) {
-                        iounmap(dev_priv->sgx_reg);
-                        dev_priv->sgx_reg = NULL;
-                }
-
-                kfree(dev_priv);
-                dev->dev_private = NULL;
-
-                /*destroy VBT data*/
-                psb_intel_destroy_bios(dev);
-        }
-
-        gma_power_uninit(dev);
-
-        return 0;
-}
-
-
-static int psb_driver_load(struct drm_device *dev, unsigned long chipset)
-{
-        struct drm_psb_private *dev_priv;
-        unsigned long resource_start;
-        struct psb_gtt *pg;
-        unsigned long irqflags;
-        int ret = -ENOMEM;
-        uint32_t tt_pages;
-        struct drm_connector *connector;
-        struct psb_intel_output *psb_intel_output;
-
-        dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
-        if (dev_priv == NULL)
-                return -ENOMEM;
-
-        dev_priv->ops = (struct psb_ops *)chipset;
-        dev_priv->dev = dev;
-        dev->dev_private = (void *) dev_priv;
-
-        if (!IS_PSB(dev)) {
-                if (pci_enable_msi(dev->pdev))
-                        dev_warn(dev->dev, "Enabling MSI failed!\n");
-        }
-
-        dev_priv->num_pipe = dev_priv->ops->pipes;
-
-        resource_start = pci_resource_start(dev->pdev, PSB_MMIO_RESOURCE);
-
-        dev_priv->vdc_reg =
-            ioremap(resource_start + PSB_VDC_OFFSET, PSB_VDC_SIZE);
-        if (!dev_priv->vdc_reg)
-                goto out_err;
-
-        dev_priv->sgx_reg = ioremap(resource_start + dev_priv->ops->sgx_offset,
-                                                        PSB_SGX_SIZE);
-        if (!dev_priv->sgx_reg)
-                goto out_err;
-
-        ret = dev_priv->ops->chip_setup(dev);
-        if (ret)
-                goto out_err;
-
-        /* Init OSPM support */
-        gma_power_init(dev);
-
-        ret = -ENOMEM;
-
-        dev_priv->scratch_page = alloc_page(GFP_DMA32 | __GFP_ZERO);
-        if (!dev_priv->scratch_page)
-                goto out_err;
-
-        set_pages_uc(dev_priv->scratch_page, 1);
-
-        ret = psb_gtt_init(dev, 0);
-        if (ret)
-                goto out_err;
-
-        dev_priv->mmu = psb_mmu_driver_init((void *)0,
-                                        drm_psb_trap_pagefaults, 0,
-                                        dev_priv);
-        if (!dev_priv->mmu)
-                goto out_err;
-
-        pg = &dev_priv->gtt;
-
-        tt_pages = (pg->gatt_pages < PSB_TT_PRIV0_PLIMIT) ?
-                (pg->gatt_pages) : PSB_TT_PRIV0_PLIMIT;
-
-
-        dev_priv->pf_pd = psb_mmu_alloc_pd(dev_priv->mmu, 1, 0);
-        if (!dev_priv->pf_pd)
-                goto out_err;
-
-        psb_mmu_set_pd_context(psb_mmu_get_default_pd(dev_priv->mmu), 0);
-        psb_mmu_set_pd_context(dev_priv->pf_pd, 1);
-
-        ret = psb_do_init(dev);
-        if (ret)
-                return ret;
-
-        PSB_WSGX32(0x20000000, PSB_CR_PDS_EXEC_BASE);
-        PSB_WSGX32(0x30000000, PSB_CR_BIF_3D_REQ_BASE);
-
-/*      igd_opregion_init(&dev_priv->opregion_dev); */
-        acpi_video_register();
-        if (dev_priv->lid_state)
-                psb_lid_timer_init(dev_priv);
-
-        ret = drm_vblank_init(dev, dev_priv->num_pipe);
-        if (ret)
-                goto out_err;
-
-        /*
-         * Install interrupt handlers prior to powering off SGX or else we will
-         * crash.
-         */
-        dev_priv->vdc_irq_mask = 0;
-        dev_priv->pipestat[0] = 0;
-        dev_priv->pipestat[1] = 0;
-        dev_priv->pipestat[2] = 0;
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-        PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-        PSB_WVDC32(0x00000000, PSB_INT_ENABLE_R);
-        PSB_WVDC32(0xFFFFFFFF, PSB_INT_MASK_R);
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-        if (IS_PSB(dev) && drm_core_check_feature(dev, DRIVER_MODESET))
-                drm_irq_install(dev);
-
-        dev->vblank_disable_allowed = 1;
-
-        dev->max_vblank_count = 0xffffff; /* only 24 bits of frame count */
-
-        dev->driver->get_vblank_counter = psb_get_vblank_counter;
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-        /* FIXME: this is not the right place for this stuff ! */
-        mdfld_output_setup(dev);
-#endif
-        if (drm_psb_no_fb == 0) {
-                psb_modeset_init(dev);
-                psb_fbdev_init(dev);
-                drm_kms_helper_poll_init(dev);
-        }
-
-        /* Only add backlight support if we have LVDS output */
-        list_for_each_entry(connector, &dev->mode_config.connector_list,
-                            head) {
-                psb_intel_output = to_psb_intel_output(connector);
-
-                switch (psb_intel_output->type) {
-                case INTEL_OUTPUT_LVDS:
-                case INTEL_OUTPUT_MIPI:
-                        ret = gma_backlight_init(dev);
-                        break;
-                }
-        }
-
-        if (ret)
-                return ret;
-
-        /* Enable runtime pm at last */
-        pm_runtime_set_active(&dev->pdev->dev);
-        return 0;
-out_err:
-        psb_driver_unload(dev);
-        return ret;
-}
-
-int psb_driver_device_is_agp(struct drm_device *dev)
-{
-        return 0;
-}
-
-
-static int psb_sizes_ioctl(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv)
-{
-        struct drm_psb_private *dev_priv = psb_priv(dev);
-        struct drm_psb_sizes_arg *arg = data;
-
-        *arg = dev_priv->sizes;
-        return 0;
-}
-
-static int psb_dc_state_ioctl(struct drm_device *dev, void *data,
-                                struct drm_file *file_priv)
-{
-        uint32_t flags;
-        uint32_t obj_id;
-        struct drm_mode_object *obj;
-        struct drm_connector *connector;
-        struct drm_crtc *crtc;
-        struct drm_psb_dc_state_arg *arg = data;
-
-
-        /* Double check MRST case */
-        if (IS_MRST(dev) || IS_MFLD(dev))
-                return -EOPNOTSUPP;
-
-        flags = arg->flags;
-        obj_id = arg->obj_id;
-
-        if (flags & PSB_DC_CRTC_MASK) {
-                obj = drm_mode_object_find(dev, obj_id,
-                                DRM_MODE_OBJECT_CRTC);
-                if (!obj) {
-                        dev_dbg(dev->dev, "Invalid CRTC object.\n");
-                        return -EINVAL;
-                }
-
-                crtc = obj_to_crtc(obj);
-
-                mutex_lock(&dev->mode_config.mutex);
-                if (drm_helper_crtc_in_use(crtc)) {
-                        if (flags & PSB_DC_CRTC_SAVE)
-                                crtc->funcs->save(crtc);
-                        else
-                                crtc->funcs->restore(crtc);
-                }
-                mutex_unlock(&dev->mode_config.mutex);
-
-                return 0;
-        } else if (flags & PSB_DC_OUTPUT_MASK) {
-                obj = drm_mode_object_find(dev, obj_id,
-                                DRM_MODE_OBJECT_CONNECTOR);
-                if (!obj) {
-                        dev_dbg(dev->dev, "Invalid connector id.\n");
-                        return -EINVAL;
-                }
-
-                connector = obj_to_connector(obj);
-                if (flags & PSB_DC_OUTPUT_SAVE)
-                        connector->funcs->save(connector);
-                else
-                        connector->funcs->restore(connector);
-
-                return 0;
-        }
-        return -EINVAL;
-}
-
-static inline void get_brightness(struct backlight_device *bd)
-{
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        if (bd) {
-                bd->props.brightness = bd->ops->get_brightness(bd);
-                backlight_update_status(bd);
-        }
-#endif
-}
-
-static int psb_dpst_bl_ioctl(struct drm_device *dev, void *data,
-                       struct drm_file *file_priv)
-{
-        struct drm_psb_private *dev_priv = psb_priv(dev);
-        uint32_t *arg = data;
-
-        dev_priv->blc_adj2 = *arg;
-        get_brightness(dev_priv->backlight_device);
-        return 0;
-}
-
-static int psb_adb_ioctl(struct drm_device *dev, void *data,
-                        struct drm_file *file_priv)
-{
-        struct drm_psb_private *dev_priv = psb_priv(dev);
-        uint32_t *arg = data;
-
-        dev_priv->blc_adj1 = *arg;
-        get_brightness(dev_priv->backlight_device);
-        return 0;
-}
-
-/* return the current mode to the dpst module */
-static int psb_dpst_ioctl(struct drm_device *dev, void *data,
-                          struct drm_file *file_priv)
-{
-        struct drm_psb_private *dev_priv = psb_priv(dev);
-        uint32_t *arg = data;
-        uint32_t x;
-        uint32_t y;
-        uint32_t reg;
-
-        if (!gma_power_begin(dev, 0))
-                return -EIO;
-
-        reg = PSB_RVDC32(PIPEASRC);
-
-        gma_power_end(dev);
-
-        /* horizontal is the left 16 bits */
-        x = reg >> 16;
-        /* vertical is the right 16 bits */
-        y = reg & 0x0000ffff;
-
-        /* the values are the image size minus one */
-        x++;
-        y++;
-
-        *arg = (x << 16) | y;
-
-        return 0;
-}
-static int psb_gamma_ioctl(struct drm_device *dev, void *data,
-                           struct drm_file *file_priv)
-{
-        struct drm_psb_dpst_lut_arg *lut_arg = data;
-        struct drm_mode_object *obj;
-        struct drm_crtc *crtc;
-        struct drm_connector *connector;
-        struct psb_intel_crtc *psb_intel_crtc;
-        int i = 0;
-        int32_t obj_id;
-
-        obj_id = lut_arg->output_id;
-        obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_CONNECTOR);
-        if (!obj) {
-                dev_dbg(dev->dev, "Invalid Connector object.\n");
-                return -EINVAL;
-        }
-
-        connector = obj_to_connector(obj);
-        crtc = connector->encoder->crtc;
-        psb_intel_crtc = to_psb_intel_crtc(crtc);
-
-        for (i = 0; i < 256; i++)
-                psb_intel_crtc->lut_adj[i] = lut_arg->lut[i];
-
-        psb_intel_crtc_load_lut(crtc);
-
-        return 0;
-}
-
-static int psb_mode_operation_ioctl(struct drm_device *dev, void *data,
-                                struct drm_file *file_priv)
-{
-        uint32_t obj_id;
-        uint16_t op;
-        struct drm_mode_modeinfo *umode;
-        struct drm_display_mode *mode = NULL;
-        struct drm_psb_mode_operation_arg *arg;
-        struct drm_mode_object *obj;
-        struct drm_connector *connector;
-        struct drm_framebuffer *drm_fb;
-        struct psb_framebuffer *psb_fb;
-        struct drm_connector_helper_funcs *connector_funcs;
-        int ret = 0;
-        int resp = MODE_OK;
-        struct drm_psb_private *dev_priv = psb_priv(dev);
-
-        arg = (struct drm_psb_mode_operation_arg *)data;
-        obj_id = arg->obj_id;
-        op = arg->operation;
-
-        switch (op) {
-        case PSB_MODE_OPERATION_SET_DC_BASE:
-                obj = drm_mode_object_find(dev, obj_id, DRM_MODE_OBJECT_FB);
-                if (!obj) {
-                        dev_dbg(dev->dev, "Invalid FB id %d\n", obj_id);
-                        return -EINVAL;
-                }
-
-                drm_fb = obj_to_fb(obj);
-                psb_fb = to_psb_fb(drm_fb);
-
-                if (gma_power_begin(dev, 0)) {
-                        REG_WRITE(DSPASURF, psb_fb->gtt->offset);
-                        REG_READ(DSPASURF);
-                        gma_power_end(dev);
-                } else {
-                        dev_priv->saveDSPASURF = psb_fb->gtt->offset;
-                }
-
-                return 0;
-        case PSB_MODE_OPERATION_MODE_VALID:
-                umode = &arg->mode;
-
-                mutex_lock(&dev->mode_config.mutex);
-
-                obj = drm_mode_object_find(dev, obj_id,
-                                        DRM_MODE_OBJECT_CONNECTOR);
-                if (!obj) {
-                        ret = -EINVAL;
-                        goto mode_op_out;
-                }
-
-                connector = obj_to_connector(obj);
-
-                mode = drm_mode_create(dev);
-                if (!mode) {
-                        ret = -ENOMEM;
-                        goto mode_op_out;
-                }
-
-                /* drm_crtc_convert_umode(mode, umode); */
-                {
-                        mode->clock = umode->clock;
-                        mode->hdisplay = umode->hdisplay;
-                        mode->hsync_start = umode->hsync_start;
-                        mode->hsync_end = umode->hsync_end;
-                        mode->htotal = umode->htotal;
-                        mode->hskew = umode->hskew;
-                        mode->vdisplay = umode->vdisplay;
-                        mode->vsync_start = umode->vsync_start;
-                        mode->vsync_end = umode->vsync_end;
-                        mode->vtotal = umode->vtotal;
-                        mode->vscan = umode->vscan;
-                        mode->vrefresh = umode->vrefresh;
-                        mode->flags = umode->flags;
-                        mode->type = umode->type;
-                        strncpy(mode->name, umode->name, DRM_DISPLAY_MODE_LEN);
-                        mode->name[DRM_DISPLAY_MODE_LEN-1] = 0;
-                }
-
-                connector_funcs = (struct drm_connector_helper_funcs *)
-                                   connector->helper_private;
-
-                if (connector_funcs->mode_valid) {
-                        resp = connector_funcs->mode_valid(connector, mode);
-                        arg->data = (void *)resp;
-                }
-
-                /*do some clean up work*/
-                if (mode)
-                        drm_mode_destroy(dev, mode);
-mode_op_out:
-                mutex_unlock(&dev->mode_config.mutex);
-                return ret;
-
-        default:
-                dev_dbg(dev->dev, "Unsupported psb mode operation\n");
-                return -EOPNOTSUPP;
-        }
-
-        return 0;
-}
-
-static int psb_stolen_memory_ioctl(struct drm_device *dev, void *data,
-                                   struct drm_file *file_priv)
-{
-        struct drm_psb_private *dev_priv = psb_priv(dev);
-        struct drm_psb_stolen_memory_arg *arg = data;
-
-        arg->base = dev_priv->stolen_base;
-        arg->size = dev_priv->vram_stolen_size;
-
-        return 0;
-}
-
-/* FIXME: needs Medfield changes */
-static int psb_register_rw_ioctl(struct drm_device *dev, void *data,
-                                 struct drm_file *file_priv)
-{
-        struct drm_psb_private *dev_priv = psb_priv(dev);
-        struct drm_psb_register_rw_arg *arg = data;
-        bool usage = arg->b_force_hw_on ? true : false;
-
-        if (arg->display_write_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
-                                PSB_WVDC32(arg->display.pfit_controls,
-                                           PFIT_CONTROL);
-                        if (arg->display_write_mask &
-                            REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-                                PSB_WVDC32(arg->display.pfit_autoscale_ratios,
-                                           PFIT_AUTO_RATIOS);
-                        if (arg->display_write_mask &
-                            REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-                                PSB_WVDC32(
-                                   arg->display.pfit_programmed_scale_ratios,
-                                   PFIT_PGM_RATIOS);
-                        if (arg->display_write_mask & REGRWBITS_PIPEASRC)
-                                PSB_WVDC32(arg->display.pipeasrc,
-                                           PIPEASRC);
-                        if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
-                                PSB_WVDC32(arg->display.pipebsrc,
-                                           PIPEBSRC);
-                        if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
-                                PSB_WVDC32(arg->display.vtotal_a,
-                                           VTOTAL_A);
-                        if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
-                                PSB_WVDC32(arg->display.vtotal_b,
-                                           VTOTAL_B);
-                        gma_power_end(dev);
-                } else {
-                        if (arg->display_write_mask & REGRWBITS_PFIT_CONTROLS)
-                                dev_priv->savePFIT_CONTROL =
-                                                arg->display.pfit_controls;
-                        if (arg->display_write_mask &
-                            REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-                                dev_priv->savePFIT_AUTO_RATIOS =
-                                        arg->display.pfit_autoscale_ratios;
-                        if (arg->display_write_mask &
-                            REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-                                dev_priv->savePFIT_PGM_RATIOS =
-                                   arg->display.pfit_programmed_scale_ratios;
-                        if (arg->display_write_mask & REGRWBITS_PIPEASRC)
-                                dev_priv->savePIPEASRC = arg->display.pipeasrc;
-                        if (arg->display_write_mask & REGRWBITS_PIPEBSRC)
-                                dev_priv->savePIPEBSRC = arg->display.pipebsrc;
-                        if (arg->display_write_mask & REGRWBITS_VTOTAL_A)
-                                dev_priv->saveVTOTAL_A = arg->display.vtotal_a;
-                        if (arg->display_write_mask & REGRWBITS_VTOTAL_B)
-                                dev_priv->saveVTOTAL_B = arg->display.vtotal_b;
-                }
-        }
-
-        if (arg->display_read_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        if (arg->display_read_mask &
-                            REGRWBITS_PFIT_CONTROLS)
-                                arg->display.pfit_controls =
-                                                PSB_RVDC32(PFIT_CONTROL);
-                        if (arg->display_read_mask &
-                            REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-                                arg->display.pfit_autoscale_ratios =
-                                                PSB_RVDC32(PFIT_AUTO_RATIOS);
-                        if (arg->display_read_mask &
-                            REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-                                arg->display.pfit_programmed_scale_ratios =
-                                                PSB_RVDC32(PFIT_PGM_RATIOS);
-                        if (arg->display_read_mask & REGRWBITS_PIPEASRC)
-                                arg->display.pipeasrc = PSB_RVDC32(PIPEASRC);
-                        if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
-                                arg->display.pipebsrc = PSB_RVDC32(PIPEBSRC);
-                        if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
-                                arg->display.vtotal_a = PSB_RVDC32(VTOTAL_A);
-                        if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
-                                arg->display.vtotal_b = PSB_RVDC32(VTOTAL_B);
-                        gma_power_end(dev);
-                } else {
-                        if (arg->display_read_mask &
-                            REGRWBITS_PFIT_CONTROLS)
-                                arg->display.pfit_controls =
-                                                dev_priv->savePFIT_CONTROL;
-                        if (arg->display_read_mask &
-                            REGRWBITS_PFIT_AUTOSCALE_RATIOS)
-                                arg->display.pfit_autoscale_ratios =
-                                                dev_priv->savePFIT_AUTO_RATIOS;
-                        if (arg->display_read_mask &
-                            REGRWBITS_PFIT_PROGRAMMED_SCALE_RATIOS)
-                                arg->display.pfit_programmed_scale_ratios =
-                                                dev_priv->savePFIT_PGM_RATIOS;
-                        if (arg->display_read_mask & REGRWBITS_PIPEASRC)
-                                arg->display.pipeasrc = dev_priv->savePIPEASRC;
-                        if (arg->display_read_mask & REGRWBITS_PIPEBSRC)
-                                arg->display.pipebsrc = dev_priv->savePIPEBSRC;
-                        if (arg->display_read_mask & REGRWBITS_VTOTAL_A)
-                                arg->display.vtotal_a = dev_priv->saveVTOTAL_A;
-                        if (arg->display_read_mask & REGRWBITS_VTOTAL_B)
-                                arg->display.vtotal_b = dev_priv->saveVTOTAL_B;
-                }
-        }
-
-        if (arg->overlay_write_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
-                                PSB_WVDC32(arg->overlay.OGAMC5, OV_OGAMC5);
-                                PSB_WVDC32(arg->overlay.OGAMC4, OV_OGAMC4);
-                                PSB_WVDC32(arg->overlay.OGAMC3, OV_OGAMC3);
-                                PSB_WVDC32(arg->overlay.OGAMC2, OV_OGAMC2);
-                                PSB_WVDC32(arg->overlay.OGAMC1, OV_OGAMC1);
-                                PSB_WVDC32(arg->overlay.OGAMC0, OV_OGAMC0);
-                        }
-                        if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
-                                PSB_WVDC32(arg->overlay.OGAMC5, OVC_OGAMC5);
-                                PSB_WVDC32(arg->overlay.OGAMC4, OVC_OGAMC4);
-                                PSB_WVDC32(arg->overlay.OGAMC3, OVC_OGAMC3);
-                                PSB_WVDC32(arg->overlay.OGAMC2, OVC_OGAMC2);
-                                PSB_WVDC32(arg->overlay.OGAMC1, OVC_OGAMC1);
-                                PSB_WVDC32(arg->overlay.OGAMC0, OVC_OGAMC0);
-                        }
-
-                        if (arg->overlay_write_mask & OV_REGRWBITS_OVADD) {
-                                PSB_WVDC32(arg->overlay.OVADD, OV_OVADD);
-
-                                if (arg->overlay.b_wait_vblank) {
-                                        /* Wait for 20ms.*/
-                                        unsigned long vblank_timeout = jiffies
-                                                                + HZ/50;
-                                        uint32_t temp;
-                                        while (time_before_eq(jiffies,
-                                                        vblank_timeout)) {
-                                                temp = PSB_RVDC32(OV_DOVASTA);
-                                                if ((temp & (0x1 << 31)) != 0)
-                                                        break;
-                                                cpu_relax();
-                                        }
-                                }
-                        }
-                        if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD) {
-                                PSB_WVDC32(arg->overlay.OVADD, OVC_OVADD);
-                                if (arg->overlay.b_wait_vblank) {
-                                        /* Wait for 20ms.*/
-                                        unsigned long vblank_timeout =
-                                                        jiffies + HZ/50;
-                                        uint32_t temp;
-                                        while (time_before_eq(jiffies,
-                                                        vblank_timeout)) {
-                                                temp = PSB_RVDC32(OVC_DOVCSTA);
-                                                if ((temp & (0x1 << 31)) != 0)
-                                                        break;
-                                                cpu_relax();
-                                        }
-                                }
-                        }
-                        gma_power_end(dev);
-                } else {
-                        if (arg->overlay_write_mask & OV_REGRWBITS_OGAM_ALL) {
-                                dev_priv->saveOV_OGAMC5 = arg->overlay.OGAMC5;
-                                dev_priv->saveOV_OGAMC4 = arg->overlay.OGAMC4;
-                                dev_priv->saveOV_OGAMC3 = arg->overlay.OGAMC3;
-                                dev_priv->saveOV_OGAMC2 = arg->overlay.OGAMC2;
-                                dev_priv->saveOV_OGAMC1 = arg->overlay.OGAMC1;
-                                dev_priv->saveOV_OGAMC0 = arg->overlay.OGAMC0;
-                        }
-                        if (arg->overlay_write_mask & OVC_REGRWBITS_OGAM_ALL) {
-                                dev_priv->saveOVC_OGAMC5 = arg->overlay.OGAMC5;
-                                dev_priv->saveOVC_OGAMC4 = arg->overlay.OGAMC4;
-                                dev_priv->saveOVC_OGAMC3 = arg->overlay.OGAMC3;
-                                dev_priv->saveOVC_OGAMC2 = arg->overlay.OGAMC2;
-                                dev_priv->saveOVC_OGAMC1 = arg->overlay.OGAMC1;
-                                dev_priv->saveOVC_OGAMC0 = arg->overlay.OGAMC0;
-                        }
-                        if (arg->overlay_write_mask & OV_REGRWBITS_OVADD)
-                                dev_priv->saveOV_OVADD = arg->overlay.OVADD;
-                        if (arg->overlay_write_mask & OVC_REGRWBITS_OVADD)
-                                dev_priv->saveOVC_OVADD = arg->overlay.OVADD;
-                }
-        }
-
-        if (arg->overlay_read_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
-                                arg->overlay.OGAMC5 = PSB_RVDC32(OV_OGAMC5);
-                                arg->overlay.OGAMC4 = PSB_RVDC32(OV_OGAMC4);
-                                arg->overlay.OGAMC3 = PSB_RVDC32(OV_OGAMC3);
-                                arg->overlay.OGAMC2 = PSB_RVDC32(OV_OGAMC2);
-                                arg->overlay.OGAMC1 = PSB_RVDC32(OV_OGAMC1);
-                                arg->overlay.OGAMC0 = PSB_RVDC32(OV_OGAMC0);
-                        }
-                        if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
-                                arg->overlay.OGAMC5 = PSB_RVDC32(OVC_OGAMC5);
-                                arg->overlay.OGAMC4 = PSB_RVDC32(OVC_OGAMC4);
-                                arg->overlay.OGAMC3 = PSB_RVDC32(OVC_OGAMC3);
-                                arg->overlay.OGAMC2 = PSB_RVDC32(OVC_OGAMC2);
-                                arg->overlay.OGAMC1 = PSB_RVDC32(OVC_OGAMC1);
-                                arg->overlay.OGAMC0 = PSB_RVDC32(OVC_OGAMC0);
-                        }
-                        if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
-                                arg->overlay.OVADD = PSB_RVDC32(OV_OVADD);
-                        if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
-                                arg->overlay.OVADD = PSB_RVDC32(OVC_OVADD);
-                        gma_power_end(dev);
-                } else {
-                        if (arg->overlay_read_mask & OV_REGRWBITS_OGAM_ALL) {
-                                arg->overlay.OGAMC5 = dev_priv->saveOV_OGAMC5;
-                                arg->overlay.OGAMC4 = dev_priv->saveOV_OGAMC4;
-                                arg->overlay.OGAMC3 = dev_priv->saveOV_OGAMC3;
-                                arg->overlay.OGAMC2 = dev_priv->saveOV_OGAMC2;
-                                arg->overlay.OGAMC1 = dev_priv->saveOV_OGAMC1;
-                                arg->overlay.OGAMC0 = dev_priv->saveOV_OGAMC0;
-                        }
-                        if (arg->overlay_read_mask & OVC_REGRWBITS_OGAM_ALL) {
-                                arg->overlay.OGAMC5 = dev_priv->saveOVC_OGAMC5;
-                                arg->overlay.OGAMC4 = dev_priv->saveOVC_OGAMC4;
-                                arg->overlay.OGAMC3 = dev_priv->saveOVC_OGAMC3;
-                                arg->overlay.OGAMC2 = dev_priv->saveOVC_OGAMC2;
-                                arg->overlay.OGAMC1 = dev_priv->saveOVC_OGAMC1;
-                                arg->overlay.OGAMC0 = dev_priv->saveOVC_OGAMC0;
-                        }
-                        if (arg->overlay_read_mask & OV_REGRWBITS_OVADD)
-                                arg->overlay.OVADD = dev_priv->saveOV_OVADD;
-                        if (arg->overlay_read_mask & OVC_REGRWBITS_OVADD)
-                                arg->overlay.OVADD = dev_priv->saveOVC_OVADD;
-                }
-        }
-
-        if (arg->sprite_enable_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        PSB_WVDC32(0x1F3E, DSPARB);
-                        PSB_WVDC32(arg->sprite.dspa_control
-                                        | PSB_RVDC32(DSPACNTR), DSPACNTR);
-                        PSB_WVDC32(arg->sprite.dspa_key_value, DSPAKEYVAL);
-                        PSB_WVDC32(arg->sprite.dspa_key_mask, DSPAKEYMASK);
-                        PSB_WVDC32(PSB_RVDC32(DSPASURF), DSPASURF);
-                        PSB_RVDC32(DSPASURF);
-                        PSB_WVDC32(arg->sprite.dspc_control, DSPCCNTR);
-                        PSB_WVDC32(arg->sprite.dspc_stride, DSPCSTRIDE);
-                        PSB_WVDC32(arg->sprite.dspc_position, DSPCPOS);
-                        PSB_WVDC32(arg->sprite.dspc_linear_offset, DSPCLINOFF);
-                        PSB_WVDC32(arg->sprite.dspc_size, DSPCSIZE);
-                        PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
-                        PSB_RVDC32(DSPCSURF);
-                        gma_power_end(dev);
-                }
-        }
-
-        if (arg->sprite_disable_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        PSB_WVDC32(0x3F3E, DSPARB);
-                        PSB_WVDC32(0x0, DSPCCNTR);
-                        PSB_WVDC32(arg->sprite.dspc_surface, DSPCSURF);
-                        PSB_RVDC32(DSPCSURF);
-                        gma_power_end(dev);
-                }
-        }
-
-        if (arg->subpicture_enable_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        uint32_t temp;
-                        if (arg->subpicture_enable_mask & REGRWBITS_DSPACNTR) {
-                                temp =  PSB_RVDC32(DSPACNTR);
-                                temp &= ~DISPPLANE_PIXFORMAT_MASK;
-                                temp &= ~DISPPLANE_BOTTOM;
-                                temp |= DISPPLANE_32BPP;
-                                PSB_WVDC32(temp, DSPACNTR);
-
-                                temp =  PSB_RVDC32(DSPABASE);
-                                PSB_WVDC32(temp, DSPABASE);
-                                PSB_RVDC32(DSPABASE);
-                                temp =  PSB_RVDC32(DSPASURF);
-                                PSB_WVDC32(temp, DSPASURF);
-                                PSB_RVDC32(DSPASURF);
-                        }
-                        if (arg->subpicture_enable_mask & REGRWBITS_DSPBCNTR) {
-                                temp =  PSB_RVDC32(DSPBCNTR);
-                                temp &= ~DISPPLANE_PIXFORMAT_MASK;
-                                temp &= ~DISPPLANE_BOTTOM;
-                                temp |= DISPPLANE_32BPP;
-                                PSB_WVDC32(temp, DSPBCNTR);
-
-                                temp =  PSB_RVDC32(DSPBBASE);
-                                PSB_WVDC32(temp, DSPBBASE);
-                                PSB_RVDC32(DSPBBASE);
-                                temp =  PSB_RVDC32(DSPBSURF);
-                                PSB_WVDC32(temp, DSPBSURF);
-                                PSB_RVDC32(DSPBSURF);
-                        }
-                        if (arg->subpicture_enable_mask & REGRWBITS_DSPCCNTR) {
-                                temp =  PSB_RVDC32(DSPCCNTR);
-                                temp &= ~DISPPLANE_PIXFORMAT_MASK;
-                                temp &= ~DISPPLANE_BOTTOM;
-                                temp |= DISPPLANE_32BPP;
-                                PSB_WVDC32(temp, DSPCCNTR);
-
-                                temp =  PSB_RVDC32(DSPCBASE);
-                                PSB_WVDC32(temp, DSPCBASE);
-                                PSB_RVDC32(DSPCBASE);
-                                temp =  PSB_RVDC32(DSPCSURF);
-                                PSB_WVDC32(temp, DSPCSURF);
-                                PSB_RVDC32(DSPCSURF);
-                        }
-                        gma_power_end(dev);
-                }
-        }
-
-        if (arg->subpicture_disable_mask != 0) {
-                if (gma_power_begin(dev, usage)) {
-                        uint32_t temp;
-                        if (arg->subpicture_disable_mask & REGRWBITS_DSPACNTR) {
-                                temp =  PSB_RVDC32(DSPACNTR);
-                                temp &= ~DISPPLANE_PIXFORMAT_MASK;
-                                temp |= DISPPLANE_32BPP_NO_ALPHA;
-                                PSB_WVDC32(temp, DSPACNTR);
-
-                                temp =  PSB_RVDC32(DSPABASE);
-                                PSB_WVDC32(temp, DSPABASE);
-                                PSB_RVDC32(DSPABASE);
-                                temp =  PSB_RVDC32(DSPASURF);
-                                PSB_WVDC32(temp, DSPASURF);
-                                PSB_RVDC32(DSPASURF);
-                        }
-                        if (arg->subpicture_disable_mask & REGRWBITS_DSPBCNTR) {
-                                temp =  PSB_RVDC32(DSPBCNTR);
-                                temp &= ~DISPPLANE_PIXFORMAT_MASK;
-                                temp |= DISPPLANE_32BPP_NO_ALPHA;
-                                PSB_WVDC32(temp, DSPBCNTR);
-
-                                temp =  PSB_RVDC32(DSPBBASE);
-                                PSB_WVDC32(temp, DSPBBASE);
-                                PSB_RVDC32(DSPBBASE);
-                                temp =  PSB_RVDC32(DSPBSURF);
-                                PSB_WVDC32(temp, DSPBSURF);
-                                PSB_RVDC32(DSPBSURF);
-                        }
-                        if (arg->subpicture_disable_mask & REGRWBITS_DSPCCNTR) {
-                                temp =  PSB_RVDC32(DSPCCNTR);
-                                temp &= ~DISPPLANE_PIXFORMAT_MASK;
-                                temp |= DISPPLANE_32BPP_NO_ALPHA;
-                                PSB_WVDC32(temp, DSPCCNTR);
-
-                                temp =  PSB_RVDC32(DSPCBASE);
-                                PSB_WVDC32(temp, DSPCBASE);
-                                PSB_RVDC32(DSPCBASE);
-                                temp =  PSB_RVDC32(DSPCSURF);
-                                PSB_WVDC32(temp, DSPCSURF);
-                                PSB_RVDC32(DSPCSURF);
-                        }
-                        gma_power_end(dev);
-                }
-        }
-
-        return 0;
-}
-
-static int psb_driver_open(struct drm_device *dev, struct drm_file *priv)
-{
-        return 0;
-}
-
-static void psb_driver_close(struct drm_device *dev, struct drm_file *priv)
-{
-}
-
-static long psb_unlocked_ioctl(struct file *filp, unsigned int cmd,
-                               unsigned long arg)
-{
-        struct drm_file *file_priv = filp->private_data;
-        struct drm_device *dev = file_priv->minor->dev;
-        int ret;
-        
-        pm_runtime_forbid(dev->dev);
-        ret = drm_ioctl(filp, cmd, arg);
-        pm_runtime_allow(dev->dev);
-        return ret;
-        /* FIXME: do we need to wrap the other side of this */
-}
-
-
-/* When a client dies:
- *    - Check for and clean up flipped page state
- */
-void psb_driver_preclose(struct drm_device *dev, struct drm_file *priv)
-{
-}
-
-static void psb_remove(struct pci_dev *pdev)
-{
-        struct drm_device *dev = pci_get_drvdata(pdev);
-        drm_put_dev(dev);
-}
-
-static const struct dev_pm_ops psb_pm_ops = {
-        .suspend = gma_power_suspend,
-        .resume = gma_power_resume,
-        .freeze = gma_power_suspend,
-        .thaw = gma_power_resume,
-        .poweroff = gma_power_suspend,
-        .restore = gma_power_resume,
-        .runtime_suspend = psb_runtime_suspend,
-        .runtime_resume = psb_runtime_resume,
-        .runtime_idle = psb_runtime_idle,
-};
-
-static struct vm_operations_struct psb_gem_vm_ops = {
-        .fault = psb_gem_fault,
-        .open = drm_gem_vm_open,
-        .close = drm_gem_vm_close,
-};
-
-static const struct file_operations gma500_driver_fops = {
-        .owner = THIS_MODULE,
-        .open = drm_open,
-        .release = drm_release,
-        .unlocked_ioctl = psb_unlocked_ioctl,
-        .mmap = drm_gem_mmap,
-        .poll = drm_poll,
-        .fasync = drm_fasync,
-        .read = drm_read,
-};
-
-static struct drm_driver driver = {
-        .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | \
-                           DRIVER_IRQ_VBL | DRIVER_MODESET | DRIVER_GEM ,
-        .load = psb_driver_load,
-        .unload = psb_driver_unload,
-
-        .ioctls = psb_ioctls,
-        .num_ioctls = DRM_ARRAY_SIZE(psb_ioctls),
-        .device_is_agp = psb_driver_device_is_agp,
-        .irq_preinstall = psb_irq_preinstall,
-        .irq_postinstall = psb_irq_postinstall,
-        .irq_uninstall = psb_irq_uninstall,
-        .irq_handler = psb_irq_handler,
-        .enable_vblank = psb_enable_vblank,
-        .disable_vblank = psb_disable_vblank,
-        .get_vblank_counter = psb_get_vblank_counter,
-        .lastclose = psb_lastclose,
-        .open = psb_driver_open,
-        .preclose = psb_driver_preclose,
-        .postclose = psb_driver_close,
-        .reclaim_buffers = drm_core_reclaim_buffers,
-
-        .gem_init_object = psb_gem_init_object,
-        .gem_free_object = psb_gem_free_object,
-        .gem_vm_ops = &psb_gem_vm_ops,
-        .dumb_create = psb_gem_dumb_create,
-        .dumb_map_offset = psb_gem_dumb_map_gtt,
-        .dumb_destroy = psb_gem_dumb_destroy,
-        .fops = &gma500_driver_fops,
-        .name = DRIVER_NAME,
-        .desc = DRIVER_DESC,
-        .date = PSB_DRM_DRIVER_DATE,
-        .major = PSB_DRM_DRIVER_MAJOR,
-        .minor = PSB_DRM_DRIVER_MINOR,
-        .patchlevel = PSB_DRM_DRIVER_PATCHLEVEL
-};
-
-static struct pci_driver psb_pci_driver = {
-        .name = DRIVER_NAME,
-        .id_table = pciidlist,
-        .probe = psb_probe,
-        .remove = psb_remove,
-        .driver.pm = &psb_pm_ops,
-};
-
-static int psb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
-{
-        return drm_get_pci_dev(pdev, ent, &driver);
-}
-
-static int __init psb_init(void)
-{
-        return drm_pci_init(&driver, &psb_pci_driver);
-}
-
-static void __exit psb_exit(void)
-{
-        drm_pci_exit(&driver, &psb_pci_driver);
-}
-
-late_initcall(psb_init);
-module_exit(psb_exit);
-
-MODULE_AUTHOR("Alan Cox <alan@linux.intel.com> and others");
-MODULE_DESCRIPTION(DRIVER_DESC);
-MODULE_LICENSE("GPL");
diff --git a/drivers/staging/gma500/psb_drv.h b/drivers/staging/gma500/psb_drv.h
deleted file mode 100644
index 11d963a055be..000000000000
--- a/drivers/staging/gma500/psb_drv.h
+++ /dev/null
@@ -1,952 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- **************************************************************************/
-
-#ifndef _PSB_DRV_H_
-#define _PSB_DRV_H_
-
-#include <linux/kref.h>
-
-#include <drm/drmP.h>
-#include "drm_global.h"
-#include "gem_glue.h"
-#include "psb_drm.h"
-#include "psb_reg.h"
-#include "psb_intel_drv.h"
-#include "gtt.h"
-#include "power.h"
-#include "mrst.h"
-#include "medfield.h"
-
-/* Append new drm mode definition here, align with libdrm definition */
-#define DRM_MODE_SCALE_NO_SCALE         2
-
-enum {
-        CHIP_PSB_8108 = 0,              /* Poulsbo */
-        CHIP_PSB_8109 = 1,              /* Poulsbo */
-        CHIP_MRST_4100 = 2,             /* Moorestown/Oaktrail */
-        CHIP_MFLD_0130 = 3,             /* Medfield */
-};
-
-#define IS_PSB(dev) (((dev)->pci_device & 0xfffe) == 0x8108)
-#define IS_MRST(dev) (((dev)->pci_device & 0xfffc) == 0x4100)
-#define IS_MFLD(dev) (((dev)->pci_device & 0xfff8) == 0x0130)
-
-/*
- * Driver definitions
- */
-
-#define DRIVER_NAME "gma500"
-#define DRIVER_DESC "DRM driver for the Intel GMA500"
-
-#define PSB_DRM_DRIVER_DATE "2011-06-06"
-#define PSB_DRM_DRIVER_MAJOR 1
-#define PSB_DRM_DRIVER_MINOR 0
-#define PSB_DRM_DRIVER_PATCHLEVEL 0
-
-/*
- *      Hardware offsets
- */
-#define PSB_VDC_OFFSET           0x00000000
-#define PSB_VDC_SIZE             0x000080000
-#define MRST_MMIO_SIZE           0x0000C0000
-#define MDFLD_MMIO_SIZE          0x000100000
-#define PSB_SGX_SIZE             0x8000
-#define PSB_SGX_OFFSET           0x00040000
-#define MRST_SGX_OFFSET          0x00080000
-/*
- *      PCI resource identifiers
- */
-#define PSB_MMIO_RESOURCE        0
-#define PSB_GATT_RESOURCE        2
-#define PSB_GTT_RESOURCE         3
-/*
- *      PCI configuration
- */
-#define PSB_GMCH_CTRL            0x52
-#define PSB_BSM                  0x5C
-#define _PSB_GMCH_ENABLED        0x4
-#define PSB_PGETBL_CTL           0x2020
-#define _PSB_PGETBL_ENABLED      0x00000001
-#define PSB_SGX_2D_SLAVE_PORT    0x4000
-
-/* To get rid of */
-#define PSB_TT_PRIV0_LIMIT       (256*1024*1024)
-#define PSB_TT_PRIV0_PLIMIT      (PSB_TT_PRIV0_LIMIT >> PAGE_SHIFT)
-
-/*
- *      SGX side MMU definitions (these can probably go)
- */
-
-/*
- *      Flags for external memory type field.
- */
-#define PSB_MMU_CACHED_MEMORY     0x0001        /* Bind to MMU only */
-#define PSB_MMU_RO_MEMORY         0x0002        /* MMU RO memory */
-#define PSB_MMU_WO_MEMORY         0x0004        /* MMU WO memory */
-/*
- *      PTE's and PDE's
- */
-#define PSB_PDE_MASK              0x003FFFFF
-#define PSB_PDE_SHIFT             22
-#define PSB_PTE_SHIFT             12
-/*
- *      Cache control
- */
-#define PSB_PTE_VALID             0x0001        /* PTE / PDE valid */
-#define PSB_PTE_WO                0x0002        /* Write only */
-#define PSB_PTE_RO                0x0004        /* Read only */
-#define PSB_PTE_CACHED            0x0008        /* CPU cache coherent */
-
-/*
- *      VDC registers and bits
- */
-#define PSB_MSVDX_CLOCKGATING     0x2064
-#define PSB_TOPAZ_CLOCKGATING     0x2068
-#define PSB_HWSTAM                0x2098
-#define PSB_INSTPM                0x20C0
-#define PSB_INT_IDENTITY_R        0x20A4
-#define _MDFLD_PIPEC_EVENT_FLAG   (1<<2)
-#define _MDFLD_PIPEC_VBLANK_FLAG  (1<<3)
-#define _PSB_DPST_PIPEB_FLAG      (1<<4)
-#define _MDFLD_PIPEB_EVENT_FLAG   (1<<4)
-#define _PSB_VSYNC_PIPEB_FLAG     (1<<5)
-#define _PSB_DPST_PIPEA_FLAG      (1<<6)
-#define _PSB_PIPEA_EVENT_FLAG     (1<<6)
-#define _PSB_VSYNC_PIPEA_FLAG     (1<<7)
-#define _MDFLD_MIPIA_FLAG         (1<<16)
-#define _MDFLD_MIPIC_FLAG         (1<<17)
-#define _PSB_IRQ_SGX_FLAG         (1<<18)
-#define _PSB_IRQ_MSVDX_FLAG       (1<<19)
-#define _LNC_IRQ_TOPAZ_FLAG       (1<<20)
-
-#define _PSB_PIPE_EVENT_FLAG    (_PSB_VSYNC_PIPEA_FLAG | \
-                                 _PSB_VSYNC_PIPEB_FLAG)
-
-/* This flag includes all the display IRQ bits excepts the vblank irqs. */
-#define _MDFLD_DISP_ALL_IRQ_FLAG (_MDFLD_PIPEC_EVENT_FLAG | \
-                                  _MDFLD_PIPEB_EVENT_FLAG | \
-                                  _PSB_PIPEA_EVENT_FLAG | \
-                                  _PSB_VSYNC_PIPEA_FLAG | \
-                                  _MDFLD_MIPIA_FLAG | \
-                                  _MDFLD_MIPIC_FLAG)
-#define PSB_INT_IDENTITY_R        0x20A4
-#define PSB_INT_MASK_R            0x20A8
-#define PSB_INT_ENABLE_R          0x20A0
-
-#define _PSB_MMU_ER_MASK      0x0001FF00
-#define _PSB_MMU_ER_HOST      (1 << 16)
-#define GPIOA                   0x5010
-#define GPIOB                   0x5014
-#define GPIOC                   0x5018
-#define GPIOD                   0x501c
-#define GPIOE                   0x5020
-#define GPIOF                   0x5024
-#define GPIOG                   0x5028
-#define GPIOH                   0x502c
-#define GPIO_CLOCK_DIR_MASK             (1 << 0)
-#define GPIO_CLOCK_DIR_IN               (0 << 1)
-#define GPIO_CLOCK_DIR_OUT              (1 << 1)
-#define GPIO_CLOCK_VAL_MASK             (1 << 2)
-#define GPIO_CLOCK_VAL_OUT              (1 << 3)
-#define GPIO_CLOCK_VAL_IN               (1 << 4)
-#define GPIO_CLOCK_PULLUP_DISABLE       (1 << 5)
-#define GPIO_DATA_DIR_MASK              (1 << 8)
-#define GPIO_DATA_DIR_IN                (0 << 9)
-#define GPIO_DATA_DIR_OUT               (1 << 9)
-#define GPIO_DATA_VAL_MASK              (1 << 10)
-#define GPIO_DATA_VAL_OUT               (1 << 11)
-#define GPIO_DATA_VAL_IN                (1 << 12)
-#define GPIO_DATA_PULLUP_DISABLE        (1 << 13)
-
-#define VCLK_DIVISOR_VGA0   0x6000
-#define VCLK_DIVISOR_VGA1   0x6004
-#define VCLK_POST_DIV       0x6010
-
-#define PSB_COMM_2D (PSB_ENGINE_2D << 4)
-#define PSB_COMM_3D (PSB_ENGINE_3D << 4)
-#define PSB_COMM_TA (PSB_ENGINE_TA << 4)
-#define PSB_COMM_HP (PSB_ENGINE_HP << 4)
-#define PSB_COMM_USER_IRQ (1024 >> 2)
-#define PSB_COMM_USER_IRQ_LOST (PSB_COMM_USER_IRQ + 1)
-#define PSB_COMM_FW (2048 >> 2)
-
-#define PSB_UIRQ_VISTEST               1
-#define PSB_UIRQ_OOM_REPLY             2
-#define PSB_UIRQ_FIRE_TA_REPLY         3
-#define PSB_UIRQ_FIRE_RASTER_REPLY     4
-
-#define PSB_2D_SIZE (256*1024*1024)
-#define PSB_MAX_RELOC_PAGES 1024
-
-#define PSB_LOW_REG_OFFS 0x0204
-#define PSB_HIGH_REG_OFFS 0x0600
-
-#define PSB_NUM_VBLANKS 2
-
-
-#define PSB_2D_SIZE (256*1024*1024)
-#define PSB_MAX_RELOC_PAGES 1024
-
-#define PSB_LOW_REG_OFFS 0x0204
-#define PSB_HIGH_REG_OFFS 0x0600
-
-#define PSB_NUM_VBLANKS 2
-#define PSB_WATCHDOG_DELAY (DRM_HZ * 2)
-#define PSB_LID_DELAY (DRM_HZ / 10)
-
-#define MDFLD_PNW_B0 0x04
-#define MDFLD_PNW_C0 0x08
-
-#define MDFLD_DSR_2D_3D_0       (1 << 0)
-#define MDFLD_DSR_2D_3D_2       (1 << 1)
-#define MDFLD_DSR_CURSOR_0      (1 << 2)
-#define MDFLD_DSR_CURSOR_2      (1 << 3)
-#define MDFLD_DSR_OVERLAY_0     (1 << 4)
-#define MDFLD_DSR_OVERLAY_2     (1 << 5)
-#define MDFLD_DSR_MIPI_CONTROL  (1 << 6)
-#define MDFLD_DSR_DAMAGE_MASK_0 ((1 << 0) | (1 << 2) | (1 << 4))
-#define MDFLD_DSR_DAMAGE_MASK_2 ((1 << 1) | (1 << 3) | (1 << 5))
-#define MDFLD_DSR_2D_3D         (MDFLD_DSR_2D_3D_0 | MDFLD_DSR_2D_3D_2)
-
-#define MDFLD_DSR_RR            45
-#define MDFLD_DPU_ENABLE        (1 << 31)
-#define MDFLD_DSR_FULLSCREEN    (1 << 30)
-#define MDFLD_DSR_DELAY         (DRM_HZ / MDFLD_DSR_RR)
-
-#define PSB_PWR_STATE_ON                1
-#define PSB_PWR_STATE_OFF               2
-
-#define PSB_PMPOLICY_NOPM               0
-#define PSB_PMPOLICY_CLOCKGATING        1
-#define PSB_PMPOLICY_POWERDOWN          2
-
-#define PSB_PMSTATE_POWERUP             0
-#define PSB_PMSTATE_CLOCKGATED          1
-#define PSB_PMSTATE_POWERDOWN           2
-#define PSB_PCIx_MSI_ADDR_LOC           0x94
-#define PSB_PCIx_MSI_DATA_LOC           0x98
-
-/* Medfield crystal settings */
-#define KSEL_CRYSTAL_19 1
-#define KSEL_BYPASS_19 5
-#define KSEL_BYPASS_25 6
-#define KSEL_BYPASS_83_100 7
-
-struct opregion_header;
-struct opregion_acpi;
-struct opregion_swsci;
-struct opregion_asle;
-
-struct psb_intel_opregion {
-        struct opregion_header *header;
-        struct opregion_acpi *acpi;
-        struct opregion_swsci *swsci;
-        struct opregion_asle *asle;
-        int enabled;
-};
-
-struct psb_ops;
-
-struct drm_psb_private {
-        struct drm_device *dev;
-        const struct psb_ops *ops;
-
-        struct psb_gtt gtt;
-
-        /* GTT Memory manager */
-        struct psb_gtt_mm *gtt_mm;
-        struct page *scratch_page;
-        u32 *gtt_map;
-        uint32_t stolen_base;
-        void *vram_addr;
-        unsigned long vram_stolen_size;
-        int gtt_initialized;
-        u16 gmch_ctrl;          /* Saved GTT setup */
-        u32 pge_ctl;
-
-        struct mutex gtt_mutex;
-        struct resource *gtt_mem;       /* Our PCI resource */
-
-        struct psb_mmu_driver *mmu;
-        struct psb_mmu_pd *pf_pd;
-
-        /*
-         * Register base
-         */
-
-        uint8_t *sgx_reg;
-        uint8_t *vdc_reg;
-        uint32_t gatt_free_offset;
-
-        /*
-         * Fencing / irq.
-         */
-
-        uint32_t vdc_irq_mask;
-        uint32_t pipestat[PSB_NUM_PIPE];
-
-        spinlock_t irqmask_lock;
-
-        /*
-         * Power
-         */
-
-        bool suspended;
-        bool display_power;
-        int display_count;
-
-        /*
-         * Modesetting
-         */
-        struct psb_intel_mode_device mode_dev;
-
-        struct drm_crtc *plane_to_crtc_mapping[PSB_NUM_PIPE];
-        struct drm_crtc *pipe_to_crtc_mapping[PSB_NUM_PIPE];
-        uint32_t num_pipe;
-
-        /*
-         * OSPM info (Power management base) (can go ?)
-         */
-        uint32_t ospm_base;
-
-        /*
-         * Sizes info
-         */
-
-        struct drm_psb_sizes_arg sizes;
-
-        u32 fuse_reg_value;
-        u32 video_device_fuse;
-
-        /* PCI revision ID for B0:D2:F0 */
-        uint8_t platform_rev_id;
-
-        /*
-         * LVDS info
-         */
-        int backlight_duty_cycle;       /* restore backlight to this value */
-        bool panel_wants_dither;
-        struct drm_display_mode *panel_fixed_mode;
-        struct drm_display_mode *lfp_lvds_vbt_mode;
-        struct drm_display_mode *sdvo_lvds_vbt_mode;
-
-        struct bdb_lvds_backlight *lvds_bl; /* LVDS backlight info from VBT */
-        struct psb_intel_i2c_chan *lvds_i2c_bus;
-
-        /* Feature bits from the VBIOS */
-        unsigned int int_tv_support:1;
-        unsigned int lvds_dither:1;
-        unsigned int lvds_vbt:1;
-        unsigned int int_crt_support:1;
-        unsigned int lvds_use_ssc:1;
-        int lvds_ssc_freq;
-        bool is_lvds_on;
-        bool is_mipi_on;
-        u32 mipi_ctrl_display;
-
-        unsigned int core_freq;
-        uint32_t iLVDS_enable;
-
-        /* Runtime PM state */
-        int rpm_enabled;
-
-        /* MID specific */
-        struct mrst_vbt vbt_data;
-        struct mrst_gct_data gct_data;
-
-        /* MIPI Panel type etc */
-        int panel_id;
-        bool dual_mipi;         /* dual display - DPI & DBI */
-        bool dpi_panel_on;      /* The DPI panel power is on */
-        bool dpi_panel_on2;     /* The DPI panel power is on */
-        bool dbi_panel_on;      /* The DBI panel power is on */
-        bool dbi_panel_on2;     /* The DBI panel power is on */
-        u32 dsr_fb_update;      /* DSR FB update counter */
-
-        /* Moorestown HDMI state */
-        struct mrst_hdmi_dev *hdmi_priv;
-
-        /* Moorestown pipe config register value cache */
-        uint32_t pipeconf;
-        uint32_t pipeconf1;
-        uint32_t pipeconf2;
-
-        /* Moorestown plane control register value cache */
-        uint32_t dspcntr;
-        uint32_t dspcntr1;
-        uint32_t dspcntr2;
-
-        /* Moorestown MM backlight cache */
-        uint8_t saveBKLTCNT;
-        uint8_t saveBKLTREQ;
-        uint8_t saveBKLTBRTL;
-
-        /*
-         * Register state
-         */
-        uint32_t saveDSPACNTR;
-        uint32_t saveDSPBCNTR;
-        uint32_t savePIPEACONF;
-        uint32_t savePIPEBCONF;
-        uint32_t savePIPEASRC;
-        uint32_t savePIPEBSRC;
-        uint32_t saveFPA0;
-        uint32_t saveFPA1;
-        uint32_t saveDPLL_A;
-        uint32_t saveDPLL_A_MD;
-        uint32_t saveHTOTAL_A;
-        uint32_t saveHBLANK_A;
-        uint32_t saveHSYNC_A;
-        uint32_t saveVTOTAL_A;
-        uint32_t saveVBLANK_A;
-        uint32_t saveVSYNC_A;
-        uint32_t saveDSPASTRIDE;
-        uint32_t saveDSPASIZE;
-        uint32_t saveDSPAPOS;
-        uint32_t saveDSPABASE;
-        uint32_t saveDSPASURF;
-        uint32_t saveDSPASTATUS;
-        uint32_t saveFPB0;
-        uint32_t saveFPB1;
-        uint32_t saveDPLL_B;
-        uint32_t saveDPLL_B_MD;
-        uint32_t saveHTOTAL_B;
-        uint32_t saveHBLANK_B;
-        uint32_t saveHSYNC_B;
-        uint32_t saveVTOTAL_B;
-        uint32_t saveVBLANK_B;
-        uint32_t saveVSYNC_B;
-        uint32_t saveDSPBSTRIDE;
-        uint32_t saveDSPBSIZE;
-        uint32_t saveDSPBPOS;
-        uint32_t saveDSPBBASE;
-        uint32_t saveDSPBSURF;
-        uint32_t saveDSPBSTATUS;
-        uint32_t saveVCLK_DIVISOR_VGA0;
-        uint32_t saveVCLK_DIVISOR_VGA1;
-        uint32_t saveVCLK_POST_DIV;
-        uint32_t saveVGACNTRL;
-        uint32_t saveADPA;
-        uint32_t saveLVDS;
-        uint32_t saveDVOA;
-        uint32_t saveDVOB;
-        uint32_t saveDVOC;
-        uint32_t savePP_ON;
-        uint32_t savePP_OFF;
-        uint32_t savePP_CONTROL;
-        uint32_t savePP_CYCLE;
-        uint32_t savePFIT_CONTROL;
-        uint32_t savePaletteA[256];
-        uint32_t savePaletteB[256];
-        uint32_t saveBLC_PWM_CTL2;
-        uint32_t saveBLC_PWM_CTL;
-        uint32_t saveCLOCKGATING;
-        uint32_t saveDSPARB;
-        uint32_t saveDSPATILEOFF;
-        uint32_t saveDSPBTILEOFF;
-        uint32_t saveDSPAADDR;
-        uint32_t saveDSPBADDR;
-        uint32_t savePFIT_AUTO_RATIOS;
-        uint32_t savePFIT_PGM_RATIOS;
-        uint32_t savePP_ON_DELAYS;
-        uint32_t savePP_OFF_DELAYS;
-        uint32_t savePP_DIVISOR;
-        uint32_t saveBSM;
-        uint32_t saveVBT;
-        uint32_t saveBCLRPAT_A;
-        uint32_t saveBCLRPAT_B;
-        uint32_t saveDSPALINOFF;
-        uint32_t saveDSPBLINOFF;
-        uint32_t savePERF_MODE;
-        uint32_t saveDSPFW1;
-        uint32_t saveDSPFW2;
-        uint32_t saveDSPFW3;
-        uint32_t saveDSPFW4;
-        uint32_t saveDSPFW5;
-        uint32_t saveDSPFW6;
-        uint32_t saveCHICKENBIT;
-        uint32_t saveDSPACURSOR_CTRL;
-        uint32_t saveDSPBCURSOR_CTRL;
-        uint32_t saveDSPACURSOR_BASE;
-        uint32_t saveDSPBCURSOR_BASE;
-        uint32_t saveDSPACURSOR_POS;
-        uint32_t saveDSPBCURSOR_POS;
-        uint32_t save_palette_a[256];
-        uint32_t save_palette_b[256];
-        uint32_t saveOV_OVADD;
-        uint32_t saveOV_OGAMC0;
-        uint32_t saveOV_OGAMC1;
-        uint32_t saveOV_OGAMC2;
-        uint32_t saveOV_OGAMC3;
-        uint32_t saveOV_OGAMC4;
-        uint32_t saveOV_OGAMC5;
-        uint32_t saveOVC_OVADD;
-        uint32_t saveOVC_OGAMC0;
-        uint32_t saveOVC_OGAMC1;
-        uint32_t saveOVC_OGAMC2;
-        uint32_t saveOVC_OGAMC3;
-        uint32_t saveOVC_OGAMC4;
-        uint32_t saveOVC_OGAMC5;
-
-        /* MSI reg save */
-        uint32_t msi_addr;
-        uint32_t msi_data;
-
-        /* Medfield specific register save state */
-        uint32_t saveHDMIPHYMISCCTL;
-        uint32_t saveHDMIB_CONTROL;
-        uint32_t saveDSPCCNTR;
-        uint32_t savePIPECCONF;
-        uint32_t savePIPECSRC;
-        uint32_t saveHTOTAL_C;
-        uint32_t saveHBLANK_C;
-        uint32_t saveHSYNC_C;
-        uint32_t saveVTOTAL_C;
-        uint32_t saveVBLANK_C;
-        uint32_t saveVSYNC_C;
-        uint32_t saveDSPCSTRIDE;
-        uint32_t saveDSPCSIZE;
-        uint32_t saveDSPCPOS;
-        uint32_t saveDSPCSURF;
-        uint32_t saveDSPCSTATUS;
-        uint32_t saveDSPCLINOFF;
-        uint32_t saveDSPCTILEOFF;
-        uint32_t saveDSPCCURSOR_CTRL;
-        uint32_t saveDSPCCURSOR_BASE;
-        uint32_t saveDSPCCURSOR_POS;
-        uint32_t save_palette_c[256];
-        uint32_t saveOV_OVADD_C;
-        uint32_t saveOV_OGAMC0_C;
-        uint32_t saveOV_OGAMC1_C;
-        uint32_t saveOV_OGAMC2_C;
-        uint32_t saveOV_OGAMC3_C;
-        uint32_t saveOV_OGAMC4_C;
-        uint32_t saveOV_OGAMC5_C;
-
-        /* DSI register save */
-        uint32_t saveDEVICE_READY_REG;
-        uint32_t saveINTR_EN_REG;
-        uint32_t saveDSI_FUNC_PRG_REG;
-        uint32_t saveHS_TX_TIMEOUT_REG;
-        uint32_t saveLP_RX_TIMEOUT_REG;
-        uint32_t saveTURN_AROUND_TIMEOUT_REG;
-        uint32_t saveDEVICE_RESET_REG;
-        uint32_t saveDPI_RESOLUTION_REG;
-        uint32_t saveHORIZ_SYNC_PAD_COUNT_REG;
-        uint32_t saveHORIZ_BACK_PORCH_COUNT_REG;
-        uint32_t saveHORIZ_FRONT_PORCH_COUNT_REG;
-        uint32_t saveHORIZ_ACTIVE_AREA_COUNT_REG;
-        uint32_t saveVERT_SYNC_PAD_COUNT_REG;
-        uint32_t saveVERT_BACK_PORCH_COUNT_REG;
-        uint32_t saveVERT_FRONT_PORCH_COUNT_REG;
-        uint32_t saveHIGH_LOW_SWITCH_COUNT_REG;
-        uint32_t saveINIT_COUNT_REG;
-        uint32_t saveMAX_RET_PAK_REG;
-        uint32_t saveVIDEO_FMT_REG;
-        uint32_t saveEOT_DISABLE_REG;
-        uint32_t saveLP_BYTECLK_REG;
-        uint32_t saveHS_LS_DBI_ENABLE_REG;
-        uint32_t saveTXCLKESC_REG;
-        uint32_t saveDPHY_PARAM_REG;
-        uint32_t saveMIPI_CONTROL_REG;
-        uint32_t saveMIPI;
-        uint32_t saveMIPI_C;
-
-        /* DPST register save */
-        uint32_t saveHISTOGRAM_INT_CONTROL_REG;
-        uint32_t saveHISTOGRAM_LOGIC_CONTROL_REG;
-        uint32_t savePWM_CONTROL_LOGIC;
-
-        /*
-         * DSI info. 
-         */
-        void * dbi_dsr_info;    
-        void * dbi_dpu_info;
-        void * dsi_configs[2];
-        /*
-         * LID-Switch
-         */
-        spinlock_t lid_lock;
-        struct timer_list lid_timer;
-        struct psb_intel_opregion opregion;
-        u32 *lid_state;
-        u32 lid_last_state;
-
-        /*
-         * Watchdog
-         */
-
-        uint32_t apm_reg;
-        uint16_t apm_base;
-
-        /*
-         * Used for modifying backlight from
-         * xrandr -- consider removing and using HAL instead
-         */
-        struct backlight_device *backlight_device;
-        struct drm_property *backlight_property;
-        uint32_t blc_adj1;
-        uint32_t blc_adj2;
-
-        void *fbdev;
-        /* DPST state */
-        uint32_t dsr_idle_count;
-        bool is_in_idle;
-        bool dsr_enable;
-        void (*exit_idle)(struct drm_device *dev, u32 update_src);
-
-        /* 2D acceleration */
-        spinlock_t lock_2d;
-
-        /* FIXME: Arrays anyone ? */
-        struct mdfld_dsi_encoder *encoder0;     
-        struct mdfld_dsi_encoder *encoder2;     
-        struct mdfld_dsi_dbi_output * dbi_output;
-        struct mdfld_dsi_dbi_output * dbi_output2;
-        u32 bpp;
-        u32 bpp2;
-        
-        bool dispstatus;
-};
-
-
-/*
- *      Operations for each board type
- */
- 
-struct psb_ops {
-        const char *name;
-        unsigned int accel_2d:1;
-        int pipes;              /* Number of output pipes */
-        int crtcs;              /* Number of CRTCs */
-        int sgx_offset;         /* Base offset of SGX device */
-
-        /* Sub functions */
-        struct drm_crtc_helper_funcs const *crtc_helper;
-        struct drm_crtc_funcs const *crtc_funcs;
-
-        /* Setup hooks */
-        int (*chip_setup)(struct drm_device *dev);
-        void (*chip_teardown)(struct drm_device *dev);
-
-        /* Display management hooks */
-        int (*output_init)(struct drm_device *dev);
-        /* Power management hooks */
-        void (*init_pm)(struct drm_device *dev);
-        int (*save_regs)(struct drm_device *dev);
-        int (*restore_regs)(struct drm_device *dev);
-        int (*power_up)(struct drm_device *dev);
-        int (*power_down)(struct drm_device *dev);
-
-        void (*lvds_bl_power)(struct drm_device *dev, bool on);
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-        /* Backlight */
-        int (*backlight_init)(struct drm_device *dev);
-#endif
-        int i2c_bus;            /* I2C bus identifier for Moorestown */
-};
-
-
-
-struct psb_mmu_driver;
-
-extern int drm_crtc_probe_output_modes(struct drm_device *dev, int, int);
-extern int drm_pick_crtcs(struct drm_device *dev);
-
-static inline struct drm_psb_private *psb_priv(struct drm_device *dev)
-{
-        return (struct drm_psb_private *) dev->dev_private;
-}
-
-/*
- * MMU stuff.
- */
-
-extern struct psb_mmu_driver *psb_mmu_driver_init(uint8_t __iomem * registers,
-                                        int trap_pagefaults,
-                                        int invalid_type,
-                                        struct drm_psb_private *dev_priv);
-extern void psb_mmu_driver_takedown(struct psb_mmu_driver *driver);
-extern struct psb_mmu_pd *psb_mmu_get_default_pd(struct psb_mmu_driver
-                                                 *driver);
-extern void psb_mmu_mirror_gtt(struct psb_mmu_pd *pd, uint32_t mmu_offset,
-                               uint32_t gtt_start, uint32_t gtt_pages);
-extern struct psb_mmu_pd *psb_mmu_alloc_pd(struct psb_mmu_driver *driver,
-                                           int trap_pagefaults,
-                                           int invalid_type);
-extern void psb_mmu_free_pagedir(struct psb_mmu_pd *pd);
-extern void psb_mmu_flush(struct psb_mmu_driver *driver, int rc_prot);
-extern void psb_mmu_remove_pfn_sequence(struct psb_mmu_pd *pd,
-                                        unsigned long address,
-                                        uint32_t num_pages);
-extern int psb_mmu_insert_pfn_sequence(struct psb_mmu_pd *pd,
-                                       uint32_t start_pfn,
-                                       unsigned long address,
-                                       uint32_t num_pages, int type);
-extern int psb_mmu_virtual_to_pfn(struct psb_mmu_pd *pd, uint32_t virtual,
-                                  unsigned long *pfn);
-
-/*
- * Enable / disable MMU for different requestors.
- */
-
-
-extern void psb_mmu_set_pd_context(struct psb_mmu_pd *pd, int hw_context);
-extern int psb_mmu_insert_pages(struct psb_mmu_pd *pd, struct page **pages,
-                                unsigned long address, uint32_t num_pages,
-                                uint32_t desired_tile_stride,
-                                uint32_t hw_tile_stride, int type);
-extern void psb_mmu_remove_pages(struct psb_mmu_pd *pd,
-                                 unsigned long address, uint32_t num_pages,
-                                 uint32_t desired_tile_stride,
-                                 uint32_t hw_tile_stride);
-/*
- *psb_irq.c
- */
-
-extern irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
-extern int psb_irq_enable_dpst(struct drm_device *dev);
-extern int psb_irq_disable_dpst(struct drm_device *dev);
-extern void psb_irq_preinstall(struct drm_device *dev);
-extern int psb_irq_postinstall(struct drm_device *dev);
-extern void psb_irq_uninstall(struct drm_device *dev);
-extern void psb_irq_turn_on_dpst(struct drm_device *dev);
-extern void psb_irq_turn_off_dpst(struct drm_device *dev);
-
-extern void psb_irq_uninstall_islands(struct drm_device *dev, int hw_islands);
-extern int psb_vblank_wait2(struct drm_device *dev, unsigned int *sequence);
-extern int psb_vblank_wait(struct drm_device *dev, unsigned int *sequence);
-extern int psb_enable_vblank(struct drm_device *dev, int crtc);
-extern void psb_disable_vblank(struct drm_device *dev, int crtc);
-void
-psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
-
-void
-psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask);
-
-extern u32 psb_get_vblank_counter(struct drm_device *dev, int crtc);
-
-extern int mdfld_enable_te(struct drm_device *dev, int pipe);
-extern void mdfld_disable_te(struct drm_device *dev, int pipe);
-
-/*
- * intel_opregion.c
- */
-extern int gma_intel_opregion_init(struct drm_device *dev);
-extern int gma_intel_opregion_exit(struct drm_device *dev);
-
-/*
- * framebuffer.c
- */
-extern int psbfb_probed(struct drm_device *dev);
-extern int psbfb_remove(struct drm_device *dev,
-                        struct drm_framebuffer *fb);
-/*
- * accel_2d.c
- */
-extern void psbfb_copyarea(struct fb_info *info,
-                                        const struct fb_copyarea *region);
-extern int psbfb_sync(struct fb_info *info);
-extern void psb_spank(struct drm_psb_private *dev_priv);
-extern int psb_accel_ioctl(struct drm_device *dev, void *data,
-                                                        struct drm_file *file);
-
-/*
- * psb_reset.c
- */
-
-extern void psb_lid_timer_init(struct drm_psb_private *dev_priv);
-extern void psb_lid_timer_takedown(struct drm_psb_private *dev_priv);
-extern void psb_print_pagefault(struct drm_psb_private *dev_priv);
-
-/* modesetting */
-extern void psb_modeset_init(struct drm_device *dev);
-extern void psb_modeset_cleanup(struct drm_device *dev);
-extern int psb_fbdev_init(struct drm_device *dev);
-
-/* backlight.c */
-int gma_backlight_init(struct drm_device *dev);
-void gma_backlight_exit(struct drm_device *dev);
-
-/* mrst_crtc.c */
-extern const struct drm_crtc_helper_funcs mrst_helper_funcs;
-
-/* mrst_lvds.c */
-extern void mrst_lvds_init(struct drm_device *dev,
-                    struct psb_intel_mode_device *mode_dev);
-
-/* psb_intel_display.c */
-extern const struct drm_crtc_helper_funcs psb_intel_helper_funcs;
-extern const struct drm_crtc_funcs psb_intel_crtc_funcs;
-
-/* psb_intel_lvds.c */
-extern const struct drm_connector_helper_funcs
-                                        psb_intel_lvds_connector_helper_funcs;
-extern const struct drm_connector_funcs psb_intel_lvds_connector_funcs;
-
-/* gem.c */
-extern int psb_gem_init_object(struct drm_gem_object *obj);
-extern void psb_gem_free_object(struct drm_gem_object *obj);
-extern int psb_gem_get_aperture(struct drm_device *dev, void *data,
-                        struct drm_file *file);
-extern int psb_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
-                        struct drm_mode_create_dumb *args);
-extern int psb_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
-                        uint32_t handle);
-extern int psb_gem_dumb_map_gtt(struct drm_file *file, struct drm_device *dev,
-                        uint32_t handle, uint64_t *offset);
-extern int psb_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf);
-extern int psb_gem_create_ioctl(struct drm_device *dev, void *data,
-                        struct drm_file *file);
-extern int psb_gem_mmap_ioctl(struct drm_device *dev, void *data,
-                                        struct drm_file *file);
-
-/* psb_device.c */
-extern const struct psb_ops psb_chip_ops;
-
-/* mrst_device.c */
-extern const struct psb_ops mrst_chip_ops;
-
-/* mdfld_device.c */
-extern const struct psb_ops mdfld_chip_ops;
-
-/* cdv_device.c */
-extern const struct psb_ops cdv_chip_ops;
-
-/*
- * Debug print bits setting
- */
-#define PSB_D_GENERAL (1 << 0)
-#define PSB_D_INIT    (1 << 1)
-#define PSB_D_IRQ     (1 << 2)
-#define PSB_D_ENTRY   (1 << 3)
-/* debug the get H/V BP/FP count */
-#define PSB_D_HV      (1 << 4)
-#define PSB_D_DBI_BF  (1 << 5)
-#define PSB_D_PM      (1 << 6)
-#define PSB_D_RENDER  (1 << 7)
-#define PSB_D_REG     (1 << 8)
-#define PSB_D_MSVDX   (1 << 9)
-#define PSB_D_TOPAZ   (1 << 10)
-
-extern int drm_psb_no_fb;
-extern int drm_idle_check_interval;
-
-/*
- *      Utilities
- */
-
-static inline u32 MRST_MSG_READ32(uint port, uint offset)
-{
-        int mcr = (0xD0<<24) | (port << 16) | (offset << 8);
-        uint32_t ret_val = 0;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        pci_write_config_dword(pci_root, 0xD0, mcr);
-        pci_read_config_dword(pci_root, 0xD4, &ret_val);
-        pci_dev_put(pci_root);
-        return ret_val;
-}
-static inline void MRST_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-        int mcr = (0xE0<<24) | (port << 16) | (offset << 8) | 0xF0;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        pci_write_config_dword(pci_root, 0xD4, value);
-        pci_write_config_dword(pci_root, 0xD0, mcr);
-        pci_dev_put(pci_root);
-}
-static inline u32 MDFLD_MSG_READ32(uint port, uint offset)
-{
-        int mcr = (0x10<<24) | (port << 16) | (offset << 8);
-        uint32_t ret_val = 0;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        pci_write_config_dword(pci_root, 0xD0, mcr);
-        pci_read_config_dword(pci_root, 0xD4, &ret_val);
-        pci_dev_put(pci_root);
-        return ret_val;
-}
-static inline void MDFLD_MSG_WRITE32(uint port, uint offset, u32 value)
-{
-        int mcr = (0x11<<24) | (port << 16) | (offset << 8) | 0xF0;
-        struct pci_dev *pci_root = pci_get_bus_and_slot(0, 0);
-        pci_write_config_dword(pci_root, 0xD4, value);
-        pci_write_config_dword(pci_root, 0xD0, mcr);
-        pci_dev_put(pci_root);
-}
-
-static inline uint32_t REGISTER_READ(struct drm_device *dev, uint32_t reg)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        return ioread32(dev_priv->vdc_reg + reg);
-}
-
-#define REG_READ(reg)          REGISTER_READ(dev, (reg))
-
-static inline void REGISTER_WRITE(struct drm_device *dev, uint32_t reg,
-                                      uint32_t val)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        iowrite32((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE(reg, val)     REGISTER_WRITE(dev, (reg), (val))
-
-static inline void REGISTER_WRITE16(struct drm_device *dev,
-                                        uint32_t reg, uint32_t val)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        iowrite16((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE16(reg, val)     REGISTER_WRITE16(dev, (reg), (val))
-
-static inline void REGISTER_WRITE8(struct drm_device *dev,
-                                       uint32_t reg, uint32_t val)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        iowrite8((val), dev_priv->vdc_reg + (reg));
-}
-
-#define REG_WRITE8(reg, val)            REGISTER_WRITE8(dev, (reg), (val))
-
-#define PSB_WVDC32(_val, _offs)         iowrite32(_val, dev_priv->vdc_reg + (_offs))
-#define PSB_RVDC32(_offs)               ioread32(dev_priv->vdc_reg + (_offs))
-
-/* #define TRAP_SGX_PM_FAULT 1 */
-#ifdef TRAP_SGX_PM_FAULT
-#define PSB_RSGX32(_offs)                                               \
-({                                                                      \
-        if (inl(dev_priv->apm_base + PSB_APM_STS) & 0x3) {              \
-                printk(KERN_ERR                                         \
-                        "access sgx when it's off!! (READ) %s, %d\n",   \
-               __FILE__, __LINE__);                                     \
-                melay(1000);                                            \
-        }                                                               \
-        ioread32(dev_priv->sgx_reg + (_offs));                          \
-})
-#else
-#define PSB_RSGX32(_offs)               ioread32(dev_priv->sgx_reg + (_offs))
-#endif
-#define PSB_WSGX32(_val, _offs)         iowrite32(_val, dev_priv->sgx_reg + (_offs))
-
-#define MSVDX_REG_DUMP 0
-
-#define PSB_WMSVDX32(_val, _offs)       iowrite32(_val, dev_priv->msvdx_reg + (_offs))
-#define PSB_RMSVDX32(_offs)             ioread32(dev_priv->msvdx_reg + (_offs))
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_display.c b/drivers/staging/gma500/psb_intel_display.c
deleted file mode 100644
index 85659613ae62..000000000000
--- a/drivers/staging/gma500/psb_intel_display.c
+++ /dev/null
@@ -1,1429 +0,0 @@
-/*
- * Copyright © 2006-2011 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/pm_runtime.h>
-
-#include <drm/drmP.h>
-#include "framebuffer.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_display.h"
-#include "power.h"
-
-#include "mdfld_output.h"
-
-struct psb_intel_clock_t {
-        /* given values */
-        int n;
-        int m1, m2;
-        int p1, p2;
-        /* derived values */
-        int dot;
-        int vco;
-        int m;
-        int p;
-};
-
-struct psb_intel_range_t {
-        int min, max;
-};
-
-struct psb_intel_p2_t {
-        int dot_limit;
-        int p2_slow, p2_fast;
-};
-
-#define INTEL_P2_NUM                  2
-
-struct psb_intel_limit_t {
-        struct psb_intel_range_t dot, vco, n, m, m1, m2, p, p1;
-        struct psb_intel_p2_t p2;
-};
-
-#define I8XX_DOT_MIN              25000
-#define I8XX_DOT_MAX             350000
-#define I8XX_VCO_MIN             930000
-#define I8XX_VCO_MAX            1400000
-#define I8XX_N_MIN                    3
-#define I8XX_N_MAX                   16
-#define I8XX_M_MIN                   96
-#define I8XX_M_MAX                  140
-#define I8XX_M1_MIN                  18
-#define I8XX_M1_MAX                  26
-#define I8XX_M2_MIN                   6
-#define I8XX_M2_MAX                  16
-#define I8XX_P_MIN                    4
-#define I8XX_P_MAX                  128
-#define I8XX_P1_MIN                   2
-#define I8XX_P1_MAX                  33
-#define I8XX_P1_LVDS_MIN              1
-#define I8XX_P1_LVDS_MAX              6
-#define I8XX_P2_SLOW                  4
-#define I8XX_P2_FAST                  2
-#define I8XX_P2_LVDS_SLOW             14
-#define I8XX_P2_LVDS_FAST             14        /* No fast option */
-#define I8XX_P2_SLOW_LIMIT       165000
-
-#define I9XX_DOT_MIN              20000
-#define I9XX_DOT_MAX             400000
-#define I9XX_VCO_MIN            1400000
-#define I9XX_VCO_MAX            2800000
-#define I9XX_N_MIN                    3
-#define I9XX_N_MAX                    8
-#define I9XX_M_MIN                   70
-#define I9XX_M_MAX                  120
-#define I9XX_M1_MIN                  10
-#define I9XX_M1_MAX                  20
-#define I9XX_M2_MIN                   5
-#define I9XX_M2_MAX                   9
-#define I9XX_P_SDVO_DAC_MIN           5
-#define I9XX_P_SDVO_DAC_MAX          80
-#define I9XX_P_LVDS_MIN               7
-#define I9XX_P_LVDS_MAX              98
-#define I9XX_P1_MIN                   1
-#define I9XX_P1_MAX                   8
-#define I9XX_P2_SDVO_DAC_SLOW                10
-#define I9XX_P2_SDVO_DAC_FAST                 5
-#define I9XX_P2_SDVO_DAC_SLOW_LIMIT      200000
-#define I9XX_P2_LVDS_SLOW                    14
-#define I9XX_P2_LVDS_FAST                     7
-#define I9XX_P2_LVDS_SLOW_LIMIT          112000
-
-#define INTEL_LIMIT_I8XX_DVO_DAC    0
-#define INTEL_LIMIT_I8XX_LVDS       1
-#define INTEL_LIMIT_I9XX_SDVO_DAC   2
-#define INTEL_LIMIT_I9XX_LVDS       3
-
-static const struct psb_intel_limit_t psb_intel_limits[] = {
-        {                       /* INTEL_LIMIT_I8XX_DVO_DAC */
-         .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX},
-         .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX},
-         .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX},
-         .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX},
-         .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX},
-         .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX},
-         .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX},
-         .p1 = {.min = I8XX_P1_MIN, .max = I8XX_P1_MAX},
-         .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT,
-                .p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST},
-         },
-        {                       /* INTEL_LIMIT_I8XX_LVDS */
-         .dot = {.min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX},
-         .vco = {.min = I8XX_VCO_MIN, .max = I8XX_VCO_MAX},
-         .n = {.min = I8XX_N_MIN, .max = I8XX_N_MAX},
-         .m = {.min = I8XX_M_MIN, .max = I8XX_M_MAX},
-         .m1 = {.min = I8XX_M1_MIN, .max = I8XX_M1_MAX},
-         .m2 = {.min = I8XX_M2_MIN, .max = I8XX_M2_MAX},
-         .p = {.min = I8XX_P_MIN, .max = I8XX_P_MAX},
-         .p1 = {.min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX},
-         .p2 = {.dot_limit = I8XX_P2_SLOW_LIMIT,
-                .p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST},
-         },
-        {                       /* INTEL_LIMIT_I9XX_SDVO_DAC */
-         .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX},
-         .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX},
-         .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX},
-         .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX},
-         .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX},
-         .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX},
-         .p = {.min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX},
-         .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX},
-         .p2 = {.dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
-                .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast =
-                I9XX_P2_SDVO_DAC_FAST},
-         },
-        {                       /* INTEL_LIMIT_I9XX_LVDS */
-         .dot = {.min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX},
-         .vco = {.min = I9XX_VCO_MIN, .max = I9XX_VCO_MAX},
-         .n = {.min = I9XX_N_MIN, .max = I9XX_N_MAX},
-         .m = {.min = I9XX_M_MIN, .max = I9XX_M_MAX},
-         .m1 = {.min = I9XX_M1_MIN, .max = I9XX_M1_MAX},
-         .m2 = {.min = I9XX_M2_MIN, .max = I9XX_M2_MAX},
-         .p = {.min = I9XX_P_LVDS_MIN, .max = I9XX_P_LVDS_MAX},
-         .p1 = {.min = I9XX_P1_MIN, .max = I9XX_P1_MAX},
-         /* The single-channel range is 25-112Mhz, and dual-channel
-          * is 80-224Mhz.  Prefer single channel as much as possible.
-          */
-         .p2 = {.dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
-                .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST},
-         },
-};
-
-static const struct psb_intel_limit_t *psb_intel_limit(struct drm_crtc *crtc)
-{
-        const struct psb_intel_limit_t *limit;
-
-        if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
-                limit = &psb_intel_limits[INTEL_LIMIT_I9XX_LVDS];
-        else
-                limit = &psb_intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC];
-        return limit;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 8xx chips. */
-
-static void i8xx_clock(int refclk, struct psb_intel_clock_t *clock)
-{
-        clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-        clock->p = clock->p1 * clock->p2;
-        clock->vco = refclk * clock->m / (clock->n + 2);
-        clock->dot = clock->vco / clock->p;
-}
-
-/** Derive the pixel clock for the given refclk and divisors for 9xx chips. */
-
-static void i9xx_clock(int refclk, struct psb_intel_clock_t *clock)
-{
-        clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
-        clock->p = clock->p1 * clock->p2;
-        clock->vco = refclk * clock->m / (clock->n + 2);
-        clock->dot = clock->vco / clock->p;
-}
-
-static void psb_intel_clock(struct drm_device *dev, int refclk,
-                        struct psb_intel_clock_t *clock)
-{
-        return i9xx_clock(refclk, clock);
-}
-
-/**
- * Returns whether any output on the specified pipe is of the specified type
- */
-bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type)
-{
-        struct drm_device *dev = crtc->dev;
-        struct drm_mode_config *mode_config = &dev->mode_config;
-        struct drm_connector *l_entry;
-
-        list_for_each_entry(l_entry, &mode_config->connector_list, head) {
-                if (l_entry->encoder && l_entry->encoder->crtc == crtc) {
-                        struct psb_intel_output *psb_intel_output =
-                            to_psb_intel_output(l_entry);
-                        if (psb_intel_output->type == type)
-                                return true;
-                }
-        }
-        return false;
-}
-
-#define INTELPllInvalid(s)   { /* ErrorF (s) */; return false; }
-/**
- * Returns whether the given set of divisors are valid for a given refclk with
- * the given connectors.
- */
-
-static bool psb_intel_PLL_is_valid(struct drm_crtc *crtc,
-                               struct psb_intel_clock_t *clock)
-{
-        const struct psb_intel_limit_t *limit = psb_intel_limit(crtc);
-
-        if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
-                INTELPllInvalid("p1 out of range\n");
-        if (clock->p < limit->p.min || limit->p.max < clock->p)
-                INTELPllInvalid("p out of range\n");
-        if (clock->m2 < limit->m2.min || limit->m2.max < clock->m2)
-                INTELPllInvalid("m2 out of range\n");
-        if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
-                INTELPllInvalid("m1 out of range\n");
-        if (clock->m1 <= clock->m2)
-                INTELPllInvalid("m1 <= m2\n");
-        if (clock->m < limit->m.min || limit->m.max < clock->m)
-                INTELPllInvalid("m out of range\n");
-        if (clock->n < limit->n.min || limit->n.max < clock->n)
-                INTELPllInvalid("n out of range\n");
-        if (clock->vco < limit->vco.min || limit->vco.max < clock->vco)
-                INTELPllInvalid("vco out of range\n");
-        /* XXX: We may need to be checking "Dot clock"
-         * depending on the multiplier, connector, etc.,
-         * rather than just a single range.
-         */
-        if (clock->dot < limit->dot.min || limit->dot.max < clock->dot)
-                INTELPllInvalid("dot out of range\n");
-
-        return true;
-}
-
-/**
- * Returns a set of divisors for the desired target clock with the given
- * refclk, or FALSE.  The returned values represent the clock equation:
- * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
- */
-static bool psb_intel_find_best_PLL(struct drm_crtc *crtc, int target,
-                                int refclk,
-                                struct psb_intel_clock_t *best_clock)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_clock_t clock;
-        const struct psb_intel_limit_t *limit = psb_intel_limit(crtc);
-        int err = target;
-
-        if (psb_intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
-            (REG_READ(LVDS) & LVDS_PORT_EN) != 0) {
-                /*
-                 * For LVDS, if the panel is on, just rely on its current
-                 * settings for dual-channel.  We haven't figured out how to
-                 * reliably set up different single/dual channel state, if we
-                 * even can.
-                 */
-                if ((REG_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
-                    LVDS_CLKB_POWER_UP)
-                        clock.p2 = limit->p2.p2_fast;
-                else
-                        clock.p2 = limit->p2.p2_slow;
-        } else {
-                if (target < limit->p2.dot_limit)
-                        clock.p2 = limit->p2.p2_slow;
-                else
-                        clock.p2 = limit->p2.p2_fast;
-        }
-
-        memset(best_clock, 0, sizeof(*best_clock));
-
-        for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max;
-             clock.m1++) {
-                for (clock.m2 = limit->m2.min;
-                     clock.m2 < clock.m1 && clock.m2 <= limit->m2.max;
-                     clock.m2++) {
-                        for (clock.n = limit->n.min;
-                             clock.n <= limit->n.max; clock.n++) {
-                                for (clock.p1 = limit->p1.min;
-                                     clock.p1 <= limit->p1.max;
-                                     clock.p1++) {
-                                        int this_err;
-
-                                        psb_intel_clock(dev, refclk, &clock);
-
-                                        if (!psb_intel_PLL_is_valid
-                                            (crtc, &clock))
-                                                continue;
-
-                                        this_err = abs(clock.dot - target);
-                                        if (this_err < err) {
-                                                *best_clock = clock;
-                                                err = this_err;
-                                        }
-                                }
-                        }
-                }
-        }
-
-        return err != target;
-}
-
-void psb_intel_wait_for_vblank(struct drm_device *dev)
-{
-        /* Wait for 20ms, i.e. one cycle at 50hz. */
-        mdelay(20);
-}
-
-int psb_intel_pipe_set_base(struct drm_crtc *crtc,
-                            int x, int y, struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        /* struct drm_i915_master_private *master_priv; */
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct psb_framebuffer *psbfb = to_psb_fb(crtc->fb);
-        int pipe = psb_intel_crtc->pipe;
-        unsigned long start, offset;
-        int dspbase = (pipe == 0 ? DSPABASE : DSPBBASE);
-        int dspsurf = (pipe == 0 ? DSPASURF : DSPBSURF);
-        int dspstride = (pipe == 0) ? DSPASTRIDE : DSPBSTRIDE;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        u32 dspcntr;
-        int ret = 0;
-
-        if (!gma_power_begin(dev, true))
-                return 0;
-
-        /* no fb bound */
-        if (!crtc->fb) {
-                dev_dbg(dev->dev, "No FB bound\n");
-                goto psb_intel_pipe_cleaner;
-        }
-
-        /* We are displaying this buffer, make sure it is actually loaded
-           into the GTT */
-        ret = psb_gtt_pin(psbfb->gtt);
-        if (ret < 0)
-                goto psb_intel_pipe_set_base_exit;
-        start = psbfb->gtt->offset;
-
-        offset = y * crtc->fb->pitches[0] + x * (crtc->fb->bits_per_pixel / 8);
-
-        REG_WRITE(dspstride, crtc->fb->pitches[0]);
-
-        dspcntr = REG_READ(dspcntr_reg);
-        dspcntr &= ~DISPPLANE_PIXFORMAT_MASK;
-
-        switch (crtc->fb->bits_per_pixel) {
-        case 8:
-                dspcntr |= DISPPLANE_8BPP;
-                break;
-        case 16:
-                if (crtc->fb->depth == 15)
-                        dspcntr |= DISPPLANE_15_16BPP;
-                else
-                        dspcntr |= DISPPLANE_16BPP;
-                break;
-        case 24:
-        case 32:
-                dspcntr |= DISPPLANE_32BPP_NO_ALPHA;
-                break;
-        default:
-                dev_err(dev->dev, "Unknown color depth\n");
-                ret = -EINVAL;
-                psb_gtt_unpin(psbfb->gtt);
-                goto psb_intel_pipe_set_base_exit;
-        }
-        REG_WRITE(dspcntr_reg, dspcntr);
-
-
-        if (0 /* FIXMEAC - check what PSB needs */) {
-                REG_WRITE(dspbase, offset);
-                REG_READ(dspbase);
-                REG_WRITE(dspsurf, start);
-                REG_READ(dspsurf);
-        } else {
-                REG_WRITE(dspbase, start + offset);
-                REG_READ(dspbase);
-        }
-
-psb_intel_pipe_cleaner:
-        /* If there was a previous display we can now unpin it */
-        if (old_fb)
-                psb_gtt_unpin(to_psb_fb(old_fb)->gtt);
-
-psb_intel_pipe_set_base_exit:
-        gma_power_end(dev);
-        return ret;
-}
-
-/**
- * Sets the power management mode of the pipe and plane.
- *
- * This code should probably grow support for turning the cursor off and back
- * on appropriately at the same time as we're turning the pipe off/on.
- */
-static void psb_intel_crtc_dpms(struct drm_crtc *crtc, int mode)
-{
-        struct drm_device *dev = crtc->dev;
-        /* struct drm_i915_master_private *master_priv; */
-        /* struct drm_i915_private *dev_priv = dev->dev_private; */
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        int dspbase_reg = (pipe == 0) ? DSPABASE : DSPBBASE;
-        int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-        u32 temp;
-        bool enabled;
-
-        /* XXX: When our outputs are all unaware of DPMS modes other than off
-         * and on, we should map those modes to DRM_MODE_DPMS_OFF in the CRTC.
-         */
-        switch (mode) {
-        case DRM_MODE_DPMS_ON:
-        case DRM_MODE_DPMS_STANDBY:
-        case DRM_MODE_DPMS_SUSPEND:
-                /* Enable the DPLL */
-                temp = REG_READ(dpll_reg);
-                if ((temp & DPLL_VCO_ENABLE) == 0) {
-                        REG_WRITE(dpll_reg, temp);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                        REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                        REG_WRITE(dpll_reg, temp | DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                        /* Wait for the clocks to stabilize. */
-                        udelay(150);
-                }
-
-                /* Enable the pipe */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) == 0)
-                        REG_WRITE(pipeconf_reg, temp | PIPEACONF_ENABLE);
-
-                /* Enable the plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) == 0) {
-                        REG_WRITE(dspcntr_reg,
-                                  temp | DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                }
-
-                psb_intel_crtc_load_lut(crtc);
-
-                /* Give the overlay scaler a chance to enable
-                 * if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, true); TODO */
-                break;
-        case DRM_MODE_DPMS_OFF:
-                /* Give the overlay scaler a chance to disable
-                 * if it's on this pipe */
-                /* psb_intel_crtc_dpms_video(crtc, FALSE); TODO */
-
-                /* Disable the VGA plane that we never use */
-                REG_WRITE(VGACNTRL, VGA_DISP_DISABLE);
-
-                /* Disable display plane */
-                temp = REG_READ(dspcntr_reg);
-                if ((temp & DISPLAY_PLANE_ENABLE) != 0) {
-                        REG_WRITE(dspcntr_reg,
-                                  temp & ~DISPLAY_PLANE_ENABLE);
-                        /* Flush the plane changes */
-                        REG_WRITE(dspbase_reg, REG_READ(dspbase_reg));
-                        REG_READ(dspbase_reg);
-                }
-
-                /* Next, disable display pipes */
-                temp = REG_READ(pipeconf_reg);
-                if ((temp & PIPEACONF_ENABLE) != 0) {
-                        REG_WRITE(pipeconf_reg, temp & ~PIPEACONF_ENABLE);
-                        REG_READ(pipeconf_reg);
-                }
-
-                /* Wait for vblank for the disable to take effect. */
-                psb_intel_wait_for_vblank(dev);
-
-                temp = REG_READ(dpll_reg);
-                if ((temp & DPLL_VCO_ENABLE) != 0) {
-                        REG_WRITE(dpll_reg, temp & ~DPLL_VCO_ENABLE);
-                        REG_READ(dpll_reg);
-                }
-
-                /* Wait for the clocks to turn off. */
-                udelay(150);
-                break;
-        }
-
-        enabled = crtc->enabled && mode != DRM_MODE_DPMS_OFF;
-
-        /*Set FIFO Watermarks*/
-        REG_WRITE(DSPARB, 0x3F3E);
-}
-
-static void psb_intel_crtc_prepare(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_OFF);
-}
-
-static void psb_intel_crtc_commit(struct drm_crtc *crtc)
-{
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        crtc_funcs->dpms(crtc, DRM_MODE_DPMS_ON);
-}
-
-void psb_intel_encoder_prepare(struct drm_encoder *encoder)
-{
-        struct drm_encoder_helper_funcs *encoder_funcs =
-            encoder->helper_private;
-        /* lvds has its own version of prepare see psb_intel_lvds_prepare */
-        encoder_funcs->dpms(encoder, DRM_MODE_DPMS_OFF);
-}
-
-void psb_intel_encoder_commit(struct drm_encoder *encoder)
-{
-        struct drm_encoder_helper_funcs *encoder_funcs =
-            encoder->helper_private;
-        /* lvds has its own version of commit see psb_intel_lvds_commit */
-        encoder_funcs->dpms(encoder, DRM_MODE_DPMS_ON);
-}
-
-static bool psb_intel_crtc_mode_fixup(struct drm_crtc *crtc,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        return true;
-}
-
-
-/**
- * Return the pipe currently connected to the panel fitter,
- * or -1 if the panel fitter is not present or not in use
- */
-static int psb_intel_panel_fitter_pipe(struct drm_device *dev)
-{
-        u32 pfit_control;
-
-        pfit_control = REG_READ(PFIT_CONTROL);
-
-        /* See if the panel fitter is in use */
-        if ((pfit_control & PFIT_ENABLE) == 0)
-                return -1;
-        /* Must be on PIPE 1 for PSB */
-        return 1;
-}
-
-static int psb_intel_crtc_mode_set(struct drm_crtc *crtc,
-                               struct drm_display_mode *mode,
-                               struct drm_display_mode *adjusted_mode,
-                               int x, int y,
-                               struct drm_framebuffer *old_fb)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct drm_crtc_helper_funcs *crtc_funcs = crtc->helper_private;
-        int pipe = psb_intel_crtc->pipe;
-        int fp_reg = (pipe == 0) ? FPA0 : FPB0;
-        int dpll_reg = (pipe == 0) ? DPLL_A : DPLL_B;
-        int dspcntr_reg = (pipe == 0) ? DSPACNTR : DSPBCNTR;
-        int pipeconf_reg = (pipe == 0) ? PIPEACONF : PIPEBCONF;
-        int htot_reg = (pipe == 0) ? HTOTAL_A : HTOTAL_B;
-        int hblank_reg = (pipe == 0) ? HBLANK_A : HBLANK_B;
-        int hsync_reg = (pipe == 0) ? HSYNC_A : HSYNC_B;
-        int vtot_reg = (pipe == 0) ? VTOTAL_A : VTOTAL_B;
-        int vblank_reg = (pipe == 0) ? VBLANK_A : VBLANK_B;
-        int vsync_reg = (pipe == 0) ? VSYNC_A : VSYNC_B;
-        int dspsize_reg = (pipe == 0) ? DSPASIZE : DSPBSIZE;
-        int dsppos_reg = (pipe == 0) ? DSPAPOS : DSPBPOS;
-        int pipesrc_reg = (pipe == 0) ? PIPEASRC : PIPEBSRC;
-        int refclk;
-        struct psb_intel_clock_t clock;
-        u32 dpll = 0, fp = 0, dspcntr, pipeconf;
-        bool ok, is_sdvo = false, is_dvo = false;
-        bool is_crt = false, is_lvds = false, is_tv = false;
-        struct drm_mode_config *mode_config = &dev->mode_config;
-        struct drm_connector *connector;
-
-        /* No scan out no play */
-        if (crtc->fb == NULL) {
-                crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-                return 0;
-        }
-
-        list_for_each_entry(connector, &mode_config->connector_list, head) {
-                struct psb_intel_output *psb_intel_output =
-                    to_psb_intel_output(connector);
-
-                if (!connector->encoder
-                    || connector->encoder->crtc != crtc)
-                        continue;
-
-                switch (psb_intel_output->type) {
-                case INTEL_OUTPUT_LVDS:
-                        is_lvds = true;
-                        break;
-                case INTEL_OUTPUT_SDVO:
-                        is_sdvo = true;
-                        break;
-                case INTEL_OUTPUT_DVO:
-                        is_dvo = true;
-                        break;
-                case INTEL_OUTPUT_TVOUT:
-                        is_tv = true;
-                        break;
-                case INTEL_OUTPUT_ANALOG:
-                        is_crt = true;
-                        break;
-                }
-        }
-
-        refclk = 96000;
-
-        ok = psb_intel_find_best_PLL(crtc, adjusted_mode->clock, refclk,
-                                 &clock);
-        if (!ok) {
-                dev_err(dev->dev, "Couldn't find PLL settings for mode!\n");
-                return 0;
-        }
-
-        fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
-
-        dpll = DPLL_VGA_MODE_DIS;
-        if (is_lvds) {
-                dpll |= DPLLB_MODE_LVDS;
-                dpll |= DPLL_DVO_HIGH_SPEED;
-        } else
-                dpll |= DPLLB_MODE_DAC_SERIAL;
-        if (is_sdvo) {
-                int sdvo_pixel_multiply =
-                            adjusted_mode->clock / mode->clock;
-                dpll |= DPLL_DVO_HIGH_SPEED;
-                dpll |=
-                    (sdvo_pixel_multiply - 1) << SDVO_MULTIPLIER_SHIFT_HIRES;
-        }
-
-        /* compute bitmask from p1 value */
-        dpll |= (1 << (clock.p1 - 1)) << 16;
-        switch (clock.p2) {
-        case 5:
-                dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
-                break;
-        case 7:
-                dpll |= DPLLB_LVDS_P2_CLOCK_DIV_7;
-                break;
-        case 10:
-                dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_10;
-                break;
-        case 14:
-                dpll |= DPLLB_LVDS_P2_CLOCK_DIV_14;
-                break;
-        }
-
-        if (is_tv) {
-                /* XXX: just matching BIOS for now */
-/*      dpll |= PLL_REF_INPUT_TVCLKINBC; */
-                dpll |= 3;
-        }
-        dpll |= PLL_REF_INPUT_DREFCLK;
-
-        /* setup pipeconf */
-        pipeconf = REG_READ(pipeconf_reg);
-
-        /* Set up the display plane register */
-        dspcntr = DISPPLANE_GAMMA_ENABLE;
-
-        if (pipe == 0)
-                dspcntr |= DISPPLANE_SEL_PIPE_A;
-        else
-                dspcntr |= DISPPLANE_SEL_PIPE_B;
-
-        dspcntr |= DISPLAY_PLANE_ENABLE;
-        pipeconf |= PIPEACONF_ENABLE;
-        dpll |= DPLL_VCO_ENABLE;
-
-
-        /* Disable the panel fitter if it was on our pipe */
-        if (psb_intel_panel_fitter_pipe(dev) == pipe)
-                REG_WRITE(PFIT_CONTROL, 0);
-
-        drm_mode_debug_printmodeline(mode);
-
-        if (dpll & DPLL_VCO_ENABLE) {
-                REG_WRITE(fp_reg, fp);
-                REG_WRITE(dpll_reg, dpll & ~DPLL_VCO_ENABLE);
-                REG_READ(dpll_reg);
-                udelay(150);
-        }
-
-        /* The LVDS pin pair needs to be on before the DPLLs are enabled.
-         * This is an exception to the general rule that mode_set doesn't turn
-         * things on.
-         */
-        if (is_lvds) {
-                u32 lvds = REG_READ(LVDS);
-
-                lvds &= ~LVDS_PIPEB_SELECT;
-                if (pipe == 1)
-                        lvds |= LVDS_PIPEB_SELECT;
-
-                lvds |= LVDS_PORT_EN | LVDS_A0A2_CLKA_POWER_UP;
-                /* Set the B0-B3 data pairs corresponding to
-                 * whether we're going to
-                 * set the DPLLs for dual-channel mode or not.
-                 */
-                lvds &= ~(LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP);
-                if (clock.p2 == 7)
-                        lvds |= LVDS_B0B3_POWER_UP | LVDS_CLKB_POWER_UP;
-
-                /* It would be nice to set 24 vs 18-bit mode (LVDS_A3_POWER_UP)
-                 * appropriately here, but we need to look more
-                 * thoroughly into how panels behave in the two modes.
-                 */
-
-                REG_WRITE(LVDS, lvds);
-                REG_READ(LVDS);
-        }
-
-        REG_WRITE(fp_reg, fp);
-        REG_WRITE(dpll_reg, dpll);
-        REG_READ(dpll_reg);
-        /* Wait for the clocks to stabilize. */
-        udelay(150);
-
-        /* write it again -- the BIOS does, after all */
-        REG_WRITE(dpll_reg, dpll);
-
-        REG_READ(dpll_reg);
-        /* Wait for the clocks to stabilize. */
-        udelay(150);
-
-        REG_WRITE(htot_reg, (adjusted_mode->crtc_hdisplay - 1) |
-                  ((adjusted_mode->crtc_htotal - 1) << 16));
-        REG_WRITE(hblank_reg, (adjusted_mode->crtc_hblank_start - 1) |
-                  ((adjusted_mode->crtc_hblank_end - 1) << 16));
-        REG_WRITE(hsync_reg, (adjusted_mode->crtc_hsync_start - 1) |
-                  ((adjusted_mode->crtc_hsync_end - 1) << 16));
-        REG_WRITE(vtot_reg, (adjusted_mode->crtc_vdisplay - 1) |
-                  ((adjusted_mode->crtc_vtotal - 1) << 16));
-        REG_WRITE(vblank_reg, (adjusted_mode->crtc_vblank_start - 1) |
-                  ((adjusted_mode->crtc_vblank_end - 1) << 16));
-        REG_WRITE(vsync_reg, (adjusted_mode->crtc_vsync_start - 1) |
-                  ((adjusted_mode->crtc_vsync_end - 1) << 16));
-        /* pipesrc and dspsize control the size that is scaled from,
-         * which should always be the user's requested size.
-         */
-        REG_WRITE(dspsize_reg,
-                  ((mode->vdisplay - 1) << 16) | (mode->hdisplay - 1));
-        REG_WRITE(dsppos_reg, 0);
-        REG_WRITE(pipesrc_reg,
-                  ((mode->hdisplay - 1) << 16) | (mode->vdisplay - 1));
-        REG_WRITE(pipeconf_reg, pipeconf);
-        REG_READ(pipeconf_reg);
-
-        psb_intel_wait_for_vblank(dev);
-
-        REG_WRITE(dspcntr_reg, dspcntr);
-
-        /* Flush the plane changes */
-        crtc_funcs->mode_set_base(crtc, x, y, old_fb);
-
-        psb_intel_wait_for_vblank(dev);
-
-        return 0;
-}
-
-/** Loads the palette/gamma unit for the CRTC with the prepared values */
-void psb_intel_crtc_load_lut(struct drm_crtc *crtc)
-{
-        struct drm_device *dev = crtc->dev;
-        struct drm_psb_private *dev_priv =
-                                (struct drm_psb_private *)dev->dev_private;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int palreg = PALETTE_A;
-        int i;
-
-        /* The clocks have to be on to load the palette. */
-        if (!crtc->enabled)
-                return;
-
-        switch (psb_intel_crtc->pipe) {
-        case 0:
-                break;
-        case 1:
-                palreg = PALETTE_B;
-                break;
-        case 2:
-                palreg = PALETTE_C;
-                break;
-        default:
-                dev_err(dev->dev, "Illegal Pipe Number.\n");
-                return;
-        }
-
-        if (gma_power_begin(dev, false)) {
-                for (i = 0; i < 256; i++) {
-                        REG_WRITE(palreg + 4 * i,
-                                  ((psb_intel_crtc->lut_r[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 16) |
-                                  ((psb_intel_crtc->lut_g[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 8) |
-                                  (psb_intel_crtc->lut_b[i] +
-                                  psb_intel_crtc->lut_adj[i]));
-                }
-                gma_power_end(dev);
-        } else {
-                for (i = 0; i < 256; i++) {
-                        dev_priv->save_palette_a[i] =
-                                  ((psb_intel_crtc->lut_r[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 16) |
-                                  ((psb_intel_crtc->lut_g[i] +
-                                  psb_intel_crtc->lut_adj[i]) << 8) |
-                                  (psb_intel_crtc->lut_b[i] +
-                                  psb_intel_crtc->lut_adj[i]);
-                }
-
-        }
-}
-
-/**
- * Save HW states of giving crtc
- */
-static void psb_intel_crtc_save(struct drm_crtc *crtc)
-{
-        struct drm_device *dev = crtc->dev;
-        /* struct drm_psb_private *dev_priv =
-                        (struct drm_psb_private *)dev->dev_private; */
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-        int pipeA = (psb_intel_crtc->pipe == 0);
-        uint32_t paletteReg;
-        int i;
-
-        if (!crtc_state) {
-                dev_err(dev->dev, "No CRTC state found\n");
-                return;
-        }
-
-        crtc_state->saveDSPCNTR = REG_READ(pipeA ? DSPACNTR : DSPBCNTR);
-        crtc_state->savePIPECONF = REG_READ(pipeA ? PIPEACONF : PIPEBCONF);
-        crtc_state->savePIPESRC = REG_READ(pipeA ? PIPEASRC : PIPEBSRC);
-        crtc_state->saveFP0 = REG_READ(pipeA ? FPA0 : FPB0);
-        crtc_state->saveFP1 = REG_READ(pipeA ? FPA1 : FPB1);
-        crtc_state->saveDPLL = REG_READ(pipeA ? DPLL_A : DPLL_B);
-        crtc_state->saveHTOTAL = REG_READ(pipeA ? HTOTAL_A : HTOTAL_B);
-        crtc_state->saveHBLANK = REG_READ(pipeA ? HBLANK_A : HBLANK_B);
-        crtc_state->saveHSYNC = REG_READ(pipeA ? HSYNC_A : HSYNC_B);
-        crtc_state->saveVTOTAL = REG_READ(pipeA ? VTOTAL_A : VTOTAL_B);
-        crtc_state->saveVBLANK = REG_READ(pipeA ? VBLANK_A : VBLANK_B);
-        crtc_state->saveVSYNC = REG_READ(pipeA ? VSYNC_A : VSYNC_B);
-        crtc_state->saveDSPSTRIDE = REG_READ(pipeA ? DSPASTRIDE : DSPBSTRIDE);
-
-        /*NOTE: DSPSIZE DSPPOS only for psb*/
-        crtc_state->saveDSPSIZE = REG_READ(pipeA ? DSPASIZE : DSPBSIZE);
-        crtc_state->saveDSPPOS = REG_READ(pipeA ? DSPAPOS : DSPBPOS);
-
-        crtc_state->saveDSPBASE = REG_READ(pipeA ? DSPABASE : DSPBBASE);
-
-        paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-        for (i = 0; i < 256; ++i)
-                crtc_state->savePalette[i] = REG_READ(paletteReg + (i << 2));
-}
-
-/**
- * Restore HW states of giving crtc
- */
-static void psb_intel_crtc_restore(struct drm_crtc *crtc)
-{
-        struct drm_device *dev = crtc->dev;
-        /* struct drm_psb_private * dev_priv =
-                                (struct drm_psb_private *)dev->dev_private; */
-        struct psb_intel_crtc *psb_intel_crtc =  to_psb_intel_crtc(crtc);
-        struct psb_intel_crtc_state *crtc_state = psb_intel_crtc->crtc_state;
-        /* struct drm_crtc_helper_funcs * crtc_funcs = crtc->helper_private; */
-        int pipeA = (psb_intel_crtc->pipe == 0);
-        uint32_t paletteReg;
-        int i;
-
-        if (!crtc_state) {
-                dev_err(dev->dev, "No crtc state\n");
-                return;
-        }
-
-        if (crtc_state->saveDPLL & DPLL_VCO_ENABLE) {
-                REG_WRITE(pipeA ? DPLL_A : DPLL_B,
-                        crtc_state->saveDPLL & ~DPLL_VCO_ENABLE);
-                REG_READ(pipeA ? DPLL_A : DPLL_B);
-                udelay(150);
-        }
-
-        REG_WRITE(pipeA ? FPA0 : FPB0, crtc_state->saveFP0);
-        REG_READ(pipeA ? FPA0 : FPB0);
-
-        REG_WRITE(pipeA ? FPA1 : FPB1, crtc_state->saveFP1);
-        REG_READ(pipeA ? FPA1 : FPB1);
-
-        REG_WRITE(pipeA ? DPLL_A : DPLL_B, crtc_state->saveDPLL);
-        REG_READ(pipeA ? DPLL_A : DPLL_B);
-        udelay(150);
-
-        REG_WRITE(pipeA ? HTOTAL_A : HTOTAL_B, crtc_state->saveHTOTAL);
-        REG_WRITE(pipeA ? HBLANK_A : HBLANK_B, crtc_state->saveHBLANK);
-        REG_WRITE(pipeA ? HSYNC_A : HSYNC_B, crtc_state->saveHSYNC);
-        REG_WRITE(pipeA ? VTOTAL_A : VTOTAL_B, crtc_state->saveVTOTAL);
-        REG_WRITE(pipeA ? VBLANK_A : VBLANK_B, crtc_state->saveVBLANK);
-        REG_WRITE(pipeA ? VSYNC_A : VSYNC_B, crtc_state->saveVSYNC);
-        REG_WRITE(pipeA ? DSPASTRIDE : DSPBSTRIDE, crtc_state->saveDSPSTRIDE);
-
-        REG_WRITE(pipeA ? DSPASIZE : DSPBSIZE, crtc_state->saveDSPSIZE);
-        REG_WRITE(pipeA ? DSPAPOS : DSPBPOS, crtc_state->saveDSPPOS);
-
-        REG_WRITE(pipeA ? PIPEASRC : PIPEBSRC, crtc_state->savePIPESRC);
-        REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-        REG_WRITE(pipeA ? PIPEACONF : PIPEBCONF, crtc_state->savePIPECONF);
-
-        psb_intel_wait_for_vblank(dev);
-
-        REG_WRITE(pipeA ? DSPACNTR : DSPBCNTR, crtc_state->saveDSPCNTR);
-        REG_WRITE(pipeA ? DSPABASE : DSPBBASE, crtc_state->saveDSPBASE);
-
-        psb_intel_wait_for_vblank(dev);
-
-        paletteReg = pipeA ? PALETTE_A : PALETTE_B;
-        for (i = 0; i < 256; ++i)
-                REG_WRITE(paletteReg + (i << 2), crtc_state->savePalette[i]);
-}
-
-static int psb_intel_crtc_cursor_set(struct drm_crtc *crtc,
-                                 struct drm_file *file_priv,
-                                 uint32_t handle,
-                                 uint32_t width, uint32_t height)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        uint32_t control = (pipe == 0) ? CURACNTR : CURBCNTR;
-        uint32_t base = (pipe == 0) ? CURABASE : CURBBASE;
-        uint32_t temp;
-        size_t addr = 0;
-        struct gtt_range *gt;
-        struct drm_gem_object *obj;
-        int ret;
-
-        /* if we want to turn of the cursor ignore width and height */
-        if (!handle) {
-                /* turn off the cursor */
-                temp = CURSOR_MODE_DISABLE;
-
-                if (gma_power_begin(dev, false)) {
-                        REG_WRITE(control, temp);
-                        REG_WRITE(base, 0);
-                        gma_power_end(dev);
-                }
-
-                /* Unpin the old GEM object */
-                if (psb_intel_crtc->cursor_obj) {
-                        gt = container_of(psb_intel_crtc->cursor_obj,
-                                                        struct gtt_range, gem);
-                        psb_gtt_unpin(gt);
-                        drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                        psb_intel_crtc->cursor_obj = NULL;
-                }
-
-                return 0;
-        }
-
-        /* Currently we only support 64x64 cursors */
-        if (width != 64 || height != 64) {
-                dev_dbg(dev->dev, "we currently only support 64x64 cursors\n");
-                return -EINVAL;
-        }
-
-        obj = drm_gem_object_lookup(dev, file_priv, handle);
-        if (!obj)
-                return -ENOENT;
-
-        if (obj->size < width * height * 4) {
-                dev_dbg(dev->dev, "buffer is to small\n");
-                return -ENOMEM;
-        }
-
-        gt = container_of(obj, struct gtt_range, gem);
-
-        /* Pin the memory into the GTT */
-        ret = psb_gtt_pin(gt);
-        if (ret) {
-                dev_err(dev->dev, "Can not pin down handle 0x%x\n", handle);
-                return ret;
-        }
-
-
-        addr = gt->offset;      /* Or resource.start ??? */
-
-        psb_intel_crtc->cursor_addr = addr;
-
-        temp = 0;
-        /* set the pipe for the cursor */
-        temp |= (pipe << 28);
-        temp |= CURSOR_MODE_64_ARGB_AX | MCURSOR_GAMMA_ENABLE;
-
-        if (gma_power_begin(dev, false)) {
-                REG_WRITE(control, temp);
-                REG_WRITE(base, addr);
-                gma_power_end(dev);
-        }
-
-        /* unpin the old bo */
-        if (psb_intel_crtc->cursor_obj) {
-                gt = container_of(psb_intel_crtc->cursor_obj,
-                                                        struct gtt_range, gem);
-                psb_gtt_unpin(gt);
-                drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                psb_intel_crtc->cursor_obj = obj;
-        }
-        return 0;
-}
-
-static int psb_intel_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
-{
-        struct drm_device *dev = crtc->dev;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        uint32_t temp = 0;
-        uint32_t addr;
-
-
-        if (x < 0) {
-                temp |= (CURSOR_POS_SIGN << CURSOR_X_SHIFT);
-                x = -x;
-        }
-        if (y < 0) {
-                temp |= (CURSOR_POS_SIGN << CURSOR_Y_SHIFT);
-                y = -y;
-        }
-
-        temp |= ((x & CURSOR_POS_MASK) << CURSOR_X_SHIFT);
-        temp |= ((y & CURSOR_POS_MASK) << CURSOR_Y_SHIFT);
-
-        addr = psb_intel_crtc->cursor_addr;
-
-        if (gma_power_begin(dev, false)) {
-                REG_WRITE((pipe == 0) ? CURAPOS : CURBPOS, temp);
-                REG_WRITE((pipe == 0) ? CURABASE : CURBBASE, addr);
-                gma_power_end(dev);
-        }
-        return 0;
-}
-
-void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-                         u16 *green, u16 *blue, uint32_t type, uint32_t size)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int i;
-
-        if (size != 256)
-                return;
-
-        for (i = 0; i < 256; i++) {
-                psb_intel_crtc->lut_r[i] = red[i] >> 8;
-                psb_intel_crtc->lut_g[i] = green[i] >> 8;
-                psb_intel_crtc->lut_b[i] = blue[i] >> 8;
-        }
-
-        psb_intel_crtc_load_lut(crtc);
-}
-
-static int psb_crtc_set_config(struct drm_mode_set *set)
-{
-        int ret;
-        struct drm_device *dev = set->crtc->dev;
-
-        pm_runtime_forbid(&dev->pdev->dev);
-        ret = drm_crtc_helper_set_config(set);
-        pm_runtime_allow(&dev->pdev->dev);
-        return ret;
-}
-
-/* Returns the clock of the currently programmed mode of the given pipe. */
-static int psb_intel_crtc_clock_get(struct drm_device *dev,
-                                struct drm_crtc *crtc)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        u32 dpll;
-        u32 fp;
-        struct psb_intel_clock_t clock;
-        bool is_lvds;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (gma_power_begin(dev, false)) {
-                dpll = REG_READ((pipe == 0) ? DPLL_A : DPLL_B);
-                if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-                        fp = REG_READ((pipe == 0) ? FPA0 : FPB0);
-                else
-                        fp = REG_READ((pipe == 0) ? FPA1 : FPB1);
-                is_lvds = (pipe == 1) && (REG_READ(LVDS) & LVDS_PORT_EN);
-                gma_power_end(dev);
-        } else {
-                dpll = (pipe == 0) ?
-                        dev_priv->saveDPLL_A : dev_priv->saveDPLL_B;
-
-                if ((dpll & DISPLAY_RATE_SELECT_FPA1) == 0)
-                        fp = (pipe == 0) ?
-                                dev_priv->saveFPA0 :
-                                dev_priv->saveFPB0;
-                else
-                        fp = (pipe == 0) ?
-                                dev_priv->saveFPA1 :
-                                dev_priv->saveFPB1;
-
-                is_lvds = (pipe == 1) && (dev_priv->saveLVDS & LVDS_PORT_EN);
-        }
-
-        clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
-        clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
-        clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
-
-        if (is_lvds) {
-                clock.p1 =
-                    ffs((dpll &
-                         DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS) >>
-                        DPLL_FPA01_P1_POST_DIV_SHIFT);
-                clock.p2 = 14;
-
-                if ((dpll & PLL_REF_INPUT_MASK) ==
-                    PLLB_REF_INPUT_SPREADSPECTRUMIN) {
-                        /* XXX: might not be 66MHz */
-                        i8xx_clock(66000, &clock);
-                } else
-                        i8xx_clock(48000, &clock);
-        } else {
-                if (dpll & PLL_P1_DIVIDE_BY_TWO)
-                        clock.p1 = 2;
-                else {
-                        clock.p1 =
-                            ((dpll &
-                              DPLL_FPA01_P1_POST_DIV_MASK_I830) >>
-                             DPLL_FPA01_P1_POST_DIV_SHIFT) + 2;
-                }
-                if (dpll & PLL_P2_DIVIDE_BY_4)
-                        clock.p2 = 4;
-                else
-                        clock.p2 = 2;
-
-                i8xx_clock(48000, &clock);
-        }
-
-        /* XXX: It would be nice to validate the clocks, but we can't reuse
-         * i830PllIsValid() because it relies on the xf86_config connector
-         * configuration being accurate, which it isn't necessarily.
-         */
-
-        return clock.dot;
-}
-
-/** Returns the currently programmed mode of the given pipe. */
-struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
-                                             struct drm_crtc *crtc)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        int pipe = psb_intel_crtc->pipe;
-        struct drm_display_mode *mode;
-        int htot;
-        int hsync;
-        int vtot;
-        int vsync;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        if (gma_power_begin(dev, false)) {
-                htot = REG_READ((pipe == 0) ? HTOTAL_A : HTOTAL_B);
-                hsync = REG_READ((pipe == 0) ? HSYNC_A : HSYNC_B);
-                vtot = REG_READ((pipe == 0) ? VTOTAL_A : VTOTAL_B);
-                vsync = REG_READ((pipe == 0) ? VSYNC_A : VSYNC_B);
-                gma_power_end(dev);
-        } else {
-                htot = (pipe == 0) ?
-                        dev_priv->saveHTOTAL_A : dev_priv->saveHTOTAL_B;
-                hsync = (pipe == 0) ?
-                        dev_priv->saveHSYNC_A : dev_priv->saveHSYNC_B;
-                vtot = (pipe == 0) ?
-                        dev_priv->saveVTOTAL_A : dev_priv->saveVTOTAL_B;
-                vsync = (pipe == 0) ?
-                        dev_priv->saveVSYNC_A : dev_priv->saveVSYNC_B;
-        }
-
-        mode = kzalloc(sizeof(*mode), GFP_KERNEL);
-        if (!mode)
-                return NULL;
-
-        mode->clock = psb_intel_crtc_clock_get(dev, crtc);
-        mode->hdisplay = (htot & 0xffff) + 1;
-        mode->htotal = ((htot & 0xffff0000) >> 16) + 1;
-        mode->hsync_start = (hsync & 0xffff) + 1;
-        mode->hsync_end = ((hsync & 0xffff0000) >> 16) + 1;
-        mode->vdisplay = (vtot & 0xffff) + 1;
-        mode->vtotal = ((vtot & 0xffff0000) >> 16) + 1;
-        mode->vsync_start = (vsync & 0xffff) + 1;
-        mode->vsync_end = ((vsync & 0xffff0000) >> 16) + 1;
-
-        drm_mode_set_name(mode);
-        drm_mode_set_crtcinfo(mode, 0);
-
-        return mode;
-}
-
-void psb_intel_crtc_destroy(struct drm_crtc *crtc)
-{
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct gtt_range *gt;
-
-        /* Unpin the old GEM object */
-        if (psb_intel_crtc->cursor_obj) {
-                gt = container_of(psb_intel_crtc->cursor_obj,
-                                                struct gtt_range, gem);
-                psb_gtt_unpin(gt);
-                drm_gem_object_unreference(psb_intel_crtc->cursor_obj);
-                psb_intel_crtc->cursor_obj = NULL;
-        }
-        kfree(psb_intel_crtc->crtc_state);
-        drm_crtc_cleanup(crtc);
-        kfree(psb_intel_crtc);
-}
-
-const struct drm_crtc_helper_funcs psb_intel_helper_funcs = {
-        .dpms = psb_intel_crtc_dpms,
-        .mode_fixup = psb_intel_crtc_mode_fixup,
-        .mode_set = psb_intel_crtc_mode_set,
-        .mode_set_base = psb_intel_pipe_set_base,
-        .prepare = psb_intel_crtc_prepare,
-        .commit = psb_intel_crtc_commit,
-};
-
-const struct drm_crtc_funcs psb_intel_crtc_funcs = {
-        .save = psb_intel_crtc_save,
-        .restore = psb_intel_crtc_restore,
-        .cursor_set = psb_intel_crtc_cursor_set,
-        .cursor_move = psb_intel_crtc_cursor_move,
-        .gamma_set = psb_intel_crtc_gamma_set,
-        .set_config = psb_crtc_set_config,
-        .destroy = psb_intel_crtc_destroy,
-};
-
-/*
- * Set the default value of cursor control and base register
- * to zero. This is a workaround for h/w defect on Oaktrail
- */
-static void psb_intel_cursor_init(struct drm_device *dev, int pipe)
-{
-        u32 control[3] = { CURACNTR, CURBCNTR, CURCCNTR };
-        u32 base[3] = { CURABASE, CURBBASE, CURCBASE };
-
-        REG_WRITE(control[pipe], 0);
-        REG_WRITE(base[pipe], 0);
-}
-
-void psb_intel_crtc_init(struct drm_device *dev, int pipe,
-                     struct psb_intel_mode_device *mode_dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct psb_intel_crtc *psb_intel_crtc;
-        int i;
-        uint16_t *r_base, *g_base, *b_base;
-
-        /* We allocate a extra array of drm_connector pointers
-         * for fbdev after the crtc */
-        psb_intel_crtc =
-            kzalloc(sizeof(struct psb_intel_crtc) +
-                    (INTELFB_CONN_LIMIT * sizeof(struct drm_connector *)),
-                    GFP_KERNEL);
-        if (psb_intel_crtc == NULL)
-                return;
-
-        psb_intel_crtc->crtc_state =
-                kzalloc(sizeof(struct psb_intel_crtc_state), GFP_KERNEL);
-        if (!psb_intel_crtc->crtc_state) {
-                dev_err(dev->dev, "Crtc state error: No memory\n");
-                kfree(psb_intel_crtc);
-                return;
-        }
-
-        /* Set the CRTC operations from the chip specific data */
-        drm_crtc_init(dev, &psb_intel_crtc->base, dev_priv->ops->crtc_funcs);
-
-        drm_mode_crtc_set_gamma_size(&psb_intel_crtc->base, 256);
-        psb_intel_crtc->pipe = pipe;
-        psb_intel_crtc->plane = pipe;
-
-        r_base = psb_intel_crtc->base.gamma_store;
-        g_base = r_base + 256;
-        b_base = g_base + 256;
-        for (i = 0; i < 256; i++) {
-                psb_intel_crtc->lut_r[i] = i;
-                psb_intel_crtc->lut_g[i] = i;
-                psb_intel_crtc->lut_b[i] = i;
-                r_base[i] = i << 8;
-                g_base[i] = i << 8;
-                b_base[i] = i << 8;
-
-                psb_intel_crtc->lut_adj[i] = 0;
-        }
-
-        psb_intel_crtc->mode_dev = mode_dev;
-        psb_intel_crtc->cursor_addr = 0;
-
-        drm_crtc_helper_add(&psb_intel_crtc->base,
-                                                dev_priv->ops->crtc_helper);
-
-        /* Setup the array of drm_connector pointer array */
-        psb_intel_crtc->mode_set.crtc = &psb_intel_crtc->base;
-        BUG_ON(pipe >= ARRAY_SIZE(dev_priv->plane_to_crtc_mapping) ||
-               dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] != NULL);
-        dev_priv->plane_to_crtc_mapping[psb_intel_crtc->plane] =
-                                                        &psb_intel_crtc->base;
-        dev_priv->pipe_to_crtc_mapping[psb_intel_crtc->pipe] =
-                                                        &psb_intel_crtc->base;
-        psb_intel_crtc->mode_set.connectors =
-            (struct drm_connector **) (psb_intel_crtc + 1);
-        psb_intel_crtc->mode_set.num_connectors = 0;
-        psb_intel_cursor_init(dev, pipe);
-}
-
-int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
-                                struct drm_file *file_priv)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        struct drm_psb_get_pipe_from_crtc_id_arg *pipe_from_crtc_id = data;
-        struct drm_mode_object *drmmode_obj;
-        struct psb_intel_crtc *crtc;
-
-        if (!dev_priv) {
-                dev_err(dev->dev, "called with no initialization\n");
-                return -EINVAL;
-        }
-
-        drmmode_obj = drm_mode_object_find(dev, pipe_from_crtc_id->crtc_id,
-                        DRM_MODE_OBJECT_CRTC);
-
-        if (!drmmode_obj) {
-                dev_err(dev->dev, "no such CRTC id\n");
-                return -EINVAL;
-        }
-
-        crtc = to_psb_intel_crtc(obj_to_crtc(drmmode_obj));
-        pipe_from_crtc_id->pipe = crtc->pipe;
-
-        return 0;
-}
-
-struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev, int pipe)
-{
-        struct drm_crtc *crtc = NULL;
-
-        list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
-                struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-                if (psb_intel_crtc->pipe == pipe)
-                        break;
-        }
-        return crtc;
-}
-
-int psb_intel_connector_clones(struct drm_device *dev, int type_mask)
-{
-        int index_mask = 0;
-        struct drm_connector *connector;
-        int entry = 0;
-
-        list_for_each_entry(connector, &dev->mode_config.connector_list,
-                            head) {
-                struct psb_intel_output *psb_intel_output =
-                    to_psb_intel_output(connector);
-                if (type_mask & (1 << psb_intel_output->type))
-                        index_mask |= (1 << entry);
-                entry++;
-        }
-        return index_mask;
-}
-
-
-void psb_intel_modeset_cleanup(struct drm_device *dev)
-{
-        drm_mode_config_cleanup(dev);
-}
-
-
-/* current intel driver doesn't take advantage of encoders
-   always give back the encoder for the connector
-*/
-struct drm_encoder *psb_intel_best_encoder(struct drm_connector *connector)
-{
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-
-        return &psb_intel_output->enc;
-}
-
diff --git a/drivers/staging/gma500/psb_intel_display.h b/drivers/staging/gma500/psb_intel_display.h
deleted file mode 100644
index 535b49a5e409..000000000000
--- a/drivers/staging/gma500/psb_intel_display.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/* copyright (c) 2008, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- * Eric Anholt <eric@anholt.net>
- */
-
-#ifndef _INTEL_DISPLAY_H_
-#define _INTEL_DISPLAY_H_
-
-bool psb_intel_pipe_has_type(struct drm_crtc *crtc, int type);
-void psb_intel_crtc_gamma_set(struct drm_crtc *crtc, u16 *red,
-                         u16 *green, u16 *blue, uint32_t type, uint32_t size);
-void psb_intel_crtc_destroy(struct drm_crtc *crtc);
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_drv.h b/drivers/staging/gma500/psb_intel_drv.h
deleted file mode 100644
index 36b554b5c335..000000000000
--- a/drivers/staging/gma500/psb_intel_drv.h
+++ /dev/null
@@ -1,230 +0,0 @@
-/*
- * Copyright (c) 2009-2011, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- */
-
-#ifndef __INTEL_DRV_H__
-#define __INTEL_DRV_H__
-
-#include <linux/i2c.h>
-#include <linux/i2c-algo-bit.h>
-#include <drm/drm_crtc.h>
-#include <drm/drm_crtc_helper.h>
-#include <linux/gpio.h>
-
-/*
- * Display related stuff
- */
-
-/* store information about an Ixxx DVO */
-/* The i830->i865 use multiple DVOs with multiple i2cs */
-/* the i915, i945 have a single sDVO i2c bus - which is different */
-#define MAX_OUTPUTS 6
-/* maximum connectors per crtcs in the mode set */
-#define INTELFB_CONN_LIMIT 4
-
-#define INTEL_I2C_BUS_DVO 1
-#define INTEL_I2C_BUS_SDVO 2
-
-/* these are outputs from the chip - integrated only
- * external chips are via DVO or SDVO output */
-#define INTEL_OUTPUT_UNUSED 0
-#define INTEL_OUTPUT_ANALOG 1
-#define INTEL_OUTPUT_DVO 2
-#define INTEL_OUTPUT_SDVO 3
-#define INTEL_OUTPUT_LVDS 4
-#define INTEL_OUTPUT_TVOUT 5
-#define INTEL_OUTPUT_HDMI 6
-#define INTEL_OUTPUT_MIPI 7
-#define INTEL_OUTPUT_MIPI2 8
-
-#define INTEL_DVO_CHIP_NONE 0
-#define INTEL_DVO_CHIP_LVDS 1
-#define INTEL_DVO_CHIP_TMDS 2
-#define INTEL_DVO_CHIP_TVOUT 4
-
-/*
- * Hold information useally put on the device driver privates here,
- * since it needs to be shared across multiple of devices drivers privates.
- */
-struct psb_intel_mode_device {
-
-        /*
-         * Abstracted memory manager operations
-         */
-         size_t(*bo_offset) (struct drm_device *dev, void *bo);
-
-        /*
-         * Cursor (Can go ?)
-         */
-        int cursor_needs_physical;
-
-        /*
-         * LVDS info
-         */
-        int backlight_duty_cycle;       /* restore backlight to this value */
-        bool panel_wants_dither;
-        struct drm_display_mode *panel_fixed_mode;
-        struct drm_display_mode *panel_fixed_mode2;
-        struct drm_display_mode *vbt_mode;      /* if any */
-
-        uint32_t saveBLC_PWM_CTL;
-};
-
-struct psb_intel_i2c_chan {
-        /* for getting at dev. private (mmio etc.) */
-        struct drm_device *drm_dev;
-        u32 reg;                /* GPIO reg */
-        struct i2c_adapter adapter;
-        struct i2c_algo_bit_data algo;
-        u8 slave_addr;
-};
-
-struct psb_intel_output {
-        struct drm_connector base;
-
-        struct drm_encoder enc;
-        int type;
-
-        struct psb_intel_i2c_chan *i2c_bus;     /* for control functions */
-        struct psb_intel_i2c_chan *ddc_bus;     /* for DDC only stuff */
-        bool load_detect_temp;
-        void *dev_priv;
-
-        struct psb_intel_mode_device *mode_dev;
-        struct i2c_adapter *hdmi_i2c_adapter;   /* for control functions */
-};
-
-struct psb_intel_crtc_state {
-        uint32_t saveDSPCNTR;
-        uint32_t savePIPECONF;
-        uint32_t savePIPESRC;
-        uint32_t saveDPLL;
-        uint32_t saveFP0;
-        uint32_t saveFP1;
-        uint32_t saveHTOTAL;
-        uint32_t saveHBLANK;
-        uint32_t saveHSYNC;
-        uint32_t saveVTOTAL;
-        uint32_t saveVBLANK;
-        uint32_t saveVSYNC;
-        uint32_t saveDSPSTRIDE;
-        uint32_t saveDSPSIZE;
-        uint32_t saveDSPPOS;
-        uint32_t saveDSPBASE;
-        uint32_t savePalette[256];
-};
-
-struct psb_intel_crtc {
-        struct drm_crtc base;
-        int pipe;
-        int plane;
-        uint32_t cursor_addr;
-        u8 lut_r[256], lut_g[256], lut_b[256];
-        u8 lut_adj[256];
-        struct psb_intel_framebuffer *fbdev_fb;
-        /* a mode_set for fbdev users on this crtc */
-        struct drm_mode_set mode_set;
-
-        /* GEM object that holds our cursor */
-        struct drm_gem_object *cursor_obj;
-
-        struct drm_display_mode saved_mode;
-        struct drm_display_mode saved_adjusted_mode;
-
-        struct psb_intel_mode_device *mode_dev;
-
-        /*crtc mode setting flags*/
-        u32 mode_flags;
-
-        /* Saved Crtc HW states */
-        struct psb_intel_crtc_state *crtc_state;
-};
-
-#define to_psb_intel_crtc(x)    \
-                container_of(x, struct psb_intel_crtc, base)
-#define to_psb_intel_output(x)  \
-                container_of(x, struct psb_intel_output, base)
-#define enc_to_psb_intel_output(x)      \
-                container_of(x, struct psb_intel_output, enc)
-#define to_psb_intel_framebuffer(x)     \
-                container_of(x, struct psb_intel_framebuffer, base)
-
-struct psb_intel_i2c_chan *psb_intel_i2c_create(struct drm_device *dev,
-                                        const u32 reg, const char *name);
-void psb_intel_i2c_destroy(struct psb_intel_i2c_chan *chan);
-int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output);
-extern bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output);
-
-extern void psb_intel_crtc_init(struct drm_device *dev, int pipe,
-                            struct psb_intel_mode_device *mode_dev);
-extern void psb_intel_crt_init(struct drm_device *dev);
-extern void psb_intel_sdvo_init(struct drm_device *dev, int output_device);
-extern void psb_intel_dvo_init(struct drm_device *dev);
-extern void psb_intel_tv_init(struct drm_device *dev);
-extern void psb_intel_lvds_init(struct drm_device *dev,
-                            struct psb_intel_mode_device *mode_dev);
-extern void psb_intel_lvds_set_brightness(struct drm_device *dev, int level);
-extern void mrst_lvds_init(struct drm_device *dev,
-                           struct psb_intel_mode_device *mode_dev);
-extern void mrst_wait_for_INTR_PKT_SENT(struct drm_device *dev);
-extern void mrst_dsi_init(struct drm_device *dev,
-                           struct psb_intel_mode_device *mode_dev);
-extern void mid_dsi_init(struct drm_device *dev,
-                    struct psb_intel_mode_device *mode_dev, int dsi_num);
-
-extern void psb_intel_crtc_load_lut(struct drm_crtc *crtc);
-extern void psb_intel_encoder_prepare(struct drm_encoder *encoder);
-extern void psb_intel_encoder_commit(struct drm_encoder *encoder);
-
-extern struct drm_encoder *psb_intel_best_encoder(struct drm_connector
-                                              *connector);
-
-extern struct drm_display_mode *psb_intel_crtc_mode_get(struct drm_device *dev,
-                                                    struct drm_crtc *crtc);
-extern void psb_intel_wait_for_vblank(struct drm_device *dev);
-extern int psb_intel_get_pipe_from_crtc_id(struct drm_device *dev, void *data,
-                                struct drm_file *file_priv);
-extern struct drm_crtc *psb_intel_get_crtc_from_pipe(struct drm_device *dev,
-                                                 int pipe);
-extern struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev,
-                                             int sdvoB);
-extern int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector);
-extern void psb_intel_sdvo_set_hotplug(struct drm_connector *connector,
-                                   int enable);
-extern int intelfb_probe(struct drm_device *dev);
-extern int intelfb_remove(struct drm_device *dev,
-                          struct drm_framebuffer *fb);
-extern struct drm_framebuffer *psb_intel_framebuffer_create(struct drm_device
-                                                        *dev, struct
-                                                        drm_mode_fb_cmd
-                                                        *mode_cmd,
-                                                        void *mm_private);
-extern bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-                                      struct drm_display_mode *mode,
-                                      struct drm_display_mode *adjusted_mode);
-extern int psb_intel_lvds_mode_valid(struct drm_connector *connector,
-                                     struct drm_display_mode *mode);
-extern int psb_intel_lvds_set_property(struct drm_connector *connector,
-                                        struct drm_property *property,
-                                        uint64_t value);
-extern void psb_intel_lvds_destroy(struct drm_connector *connector);
-extern const struct drm_encoder_funcs psb_intel_lvds_enc_funcs;
-
-extern void mdfldWaitForPipeDisable(struct drm_device *dev, int pipe);
-extern void mdfldWaitForPipeEnable(struct drm_device *dev, int pipe);
-
-#endif                          /* __INTEL_DRV_H__ */
diff --git a/drivers/staging/gma500/psb_intel_lvds.c b/drivers/staging/gma500/psb_intel_lvds.c
deleted file mode 100644
index 21022e1a977a..000000000000
--- a/drivers/staging/gma500/psb_intel_lvds.c
+++ /dev/null
@@ -1,854 +0,0 @@
-/*
- * Copyright © 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- *      Dave Airlie <airlied@linux.ie>
- *      Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <drm/drmP.h>
-
-#include "intel_bios.h"
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include <linux/pm_runtime.h>
-
-/*
- * LVDS I2C backlight control macros
- */
-#define BRIGHTNESS_MAX_LEVEL 100
-#define BRIGHTNESS_MASK 0xFF
-#define BLC_I2C_TYPE    0x01
-#define BLC_PWM_TYPT    0x02
-
-#define BLC_POLARITY_NORMAL 0
-#define BLC_POLARITY_INVERSE 1
-
-#define PSB_BLC_MAX_PWM_REG_FREQ       (0xFFFE)
-#define PSB_BLC_MIN_PWM_REG_FREQ        (0x2)
-#define PSB_BLC_PWM_PRECISION_FACTOR    (10)
-#define PSB_BACKLIGHT_PWM_CTL_SHIFT     (16)
-#define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE)
-
-struct psb_intel_lvds_priv {
-        /*
-         * Saved LVDO output states
-         */
-        uint32_t savePP_ON;
-        uint32_t savePP_OFF;
-        uint32_t saveLVDS;
-        uint32_t savePP_CONTROL;
-        uint32_t savePP_CYCLE;
-        uint32_t savePFIT_CONTROL;
-        uint32_t savePFIT_PGM_RATIOS;
-        uint32_t saveBLC_PWM_CTL;
-};
-
-
-/*
- * Returns the maximum level of the backlight duty cycle field.
- */
-static u32 psb_intel_lvds_get_max_backlight(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 ret;
-
-        if (gma_power_begin(dev, false)) {
-                ret = REG_READ(BLC_PWM_CTL);
-                gma_power_end(dev);
-        } else /* Powered off, use the saved value */
-                ret = dev_priv->saveBLC_PWM_CTL;
-
-        /* Top 15bits hold the frequency mask */
-        ret = (ret &  BACKLIGHT_MODULATION_FREQ_MASK) >>
-                                        BACKLIGHT_MODULATION_FREQ_SHIFT;
-
-        ret *= 2;       /* Return a 16bit range as needed for setting */
-        if (ret == 0)
-                dev_err(dev->dev, "BL bug: Reg %08x save %08X\n",
-                        REG_READ(BLC_PWM_CTL), dev_priv->saveBLC_PWM_CTL);
-        return ret;
-}
-
-/*
- * Set LVDS backlight level by I2C command
- *
- * FIXME: at some point we need to both track this for PM and also
- * disable runtime pm on MRST if the brightness is nil (ie blanked)
- */
-static int psb_lvds_i2c_set_brightness(struct drm_device *dev,
-                                        unsigned int level)
-{
-        struct drm_psb_private *dev_priv =
-                (struct drm_psb_private *)dev->dev_private;
-
-        struct psb_intel_i2c_chan *lvds_i2c_bus = dev_priv->lvds_i2c_bus;
-        u8 out_buf[2];
-        unsigned int blc_i2c_brightness;
-
-        struct i2c_msg msgs[] = {
-                {
-                        .addr = lvds_i2c_bus->slave_addr,
-                        .flags = 0,
-                        .len = 2,
-                        .buf = out_buf,
-                }
-        };
-
-        blc_i2c_brightness = BRIGHTNESS_MASK & ((unsigned int)level *
-                             BRIGHTNESS_MASK /
-                             BRIGHTNESS_MAX_LEVEL);
-
-        if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-                blc_i2c_brightness = BRIGHTNESS_MASK - blc_i2c_brightness;
-
-        out_buf[0] = dev_priv->lvds_bl->brightnesscmd;
-        out_buf[1] = (u8)blc_i2c_brightness;
-
-        if (i2c_transfer(&lvds_i2c_bus->adapter, msgs, 1) == 1) {
-                dev_dbg(dev->dev, "I2C set brightness.(command, value) (%d, %d)\n",
-                        dev_priv->lvds_bl->brightnesscmd,
-                        blc_i2c_brightness);
-                return 0;
-        }
-
-        dev_err(dev->dev, "I2C transfer error\n");
-        return -1;
-}
-
-
-static int psb_lvds_pwm_set_brightness(struct drm_device *dev, int level)
-{
-        struct drm_psb_private *dev_priv =
-                        (struct drm_psb_private *)dev->dev_private;
-
-        u32 max_pwm_blc;
-        u32 blc_pwm_duty_cycle;
-
-        max_pwm_blc = psb_intel_lvds_get_max_backlight(dev);
-
-        /*BLC_PWM_CTL Should be initiated while backlight device init*/
-        BUG_ON(max_pwm_blc == 0);
-
-        blc_pwm_duty_cycle = level * max_pwm_blc / BRIGHTNESS_MAX_LEVEL;
-
-        if (dev_priv->lvds_bl->pol == BLC_POLARITY_INVERSE)
-                blc_pwm_duty_cycle = max_pwm_blc - blc_pwm_duty_cycle;
-
-        blc_pwm_duty_cycle &= PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR;
-        REG_WRITE(BLC_PWM_CTL,
-                  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-                  (blc_pwm_duty_cycle));
-
-        dev_info(dev->dev, "Backlight lvds set brightness %08x\n",
-                  (max_pwm_blc << PSB_BACKLIGHT_PWM_CTL_SHIFT) |
-                  (blc_pwm_duty_cycle));
-
-        return 0;
-}
-
-/*
- * Set LVDS backlight level either by I2C or PWM
- */
-void psb_intel_lvds_set_brightness(struct drm_device *dev, int level)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-
-        dev_dbg(dev->dev, "backlight level is %d\n", level);
-
-        if (!dev_priv->lvds_bl) {
-                dev_err(dev->dev, "NO LVDS backlight info\n");
-                return;
-        }
-
-        if (dev_priv->lvds_bl->type == BLC_I2C_TYPE)
-                psb_lvds_i2c_set_brightness(dev, level);
-        else
-                psb_lvds_pwm_set_brightness(dev, level);
-}
-
-/*
- * Sets the backlight level.
- *
- * level: backlight level, from 0 to psb_intel_lvds_get_max_backlight().
- */
-static void psb_intel_lvds_set_backlight(struct drm_device *dev, int level)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 blc_pwm_ctl;
-
-        if (gma_power_begin(dev, false)) {
-                blc_pwm_ctl = REG_READ(BLC_PWM_CTL);
-                blc_pwm_ctl &= ~BACKLIGHT_DUTY_CYCLE_MASK;
-                REG_WRITE(BLC_PWM_CTL,
-                                (blc_pwm_ctl |
-                                (level << BACKLIGHT_DUTY_CYCLE_SHIFT)));
-                dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-                                        (level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-                gma_power_end(dev);
-        } else {
-                blc_pwm_ctl = dev_priv->saveBLC_PWM_CTL &
-                                ~BACKLIGHT_DUTY_CYCLE_MASK;
-                dev_priv->saveBLC_PWM_CTL = (blc_pwm_ctl |
-                                        (level << BACKLIGHT_DUTY_CYCLE_SHIFT));
-        }
-}
-
-/*
- * Sets the power state for the panel.
- */
-static void psb_intel_lvds_set_power(struct drm_device *dev,
-                                 struct psb_intel_output *output, bool on)
-{
-        u32 pp_status;
-
-        if (!gma_power_begin(dev, true)) {
-                dev_err(dev->dev, "set power, chip off!\n");
-                return;
-        }
-        
-        if (on) {
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-                          POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while ((pp_status & PP_ON) == 0);
-
-                psb_intel_lvds_set_backlight(dev,
-                                         output->
-                                         mode_dev->backlight_duty_cycle);
-        } else {
-                psb_intel_lvds_set_backlight(dev, 0);
-
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-                          ~POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while (pp_status & PP_ON);
-        }
-
-        gma_power_end(dev);
-}
-
-static void psb_intel_lvds_encoder_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-
-        if (mode == DRM_MODE_DPMS_ON)
-                psb_intel_lvds_set_power(dev, output, true);
-        else
-                psb_intel_lvds_set_power(dev, output, false);
-
-        /* XXX: We never power down the LVDS pairs. */
-}
-
-static void psb_intel_lvds_save(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct drm_psb_private *dev_priv =
-                (struct drm_psb_private *)dev->dev_private;
-        struct psb_intel_output *psb_intel_output =
-                to_psb_intel_output(connector);
-        struct psb_intel_lvds_priv *lvds_priv =
-                (struct psb_intel_lvds_priv *)psb_intel_output->dev_priv;
-
-        lvds_priv->savePP_ON = REG_READ(LVDSPP_ON);
-        lvds_priv->savePP_OFF = REG_READ(LVDSPP_OFF);
-        lvds_priv->saveLVDS = REG_READ(LVDS);
-        lvds_priv->savePP_CONTROL = REG_READ(PP_CONTROL);
-        lvds_priv->savePP_CYCLE = REG_READ(PP_CYCLE);
-        /*lvds_priv->savePP_DIVISOR = REG_READ(PP_DIVISOR);*/
-        lvds_priv->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-        lvds_priv->savePFIT_CONTROL = REG_READ(PFIT_CONTROL);
-        lvds_priv->savePFIT_PGM_RATIOS = REG_READ(PFIT_PGM_RATIOS);
-
-        /*TODO: move backlight_duty_cycle to psb_intel_lvds_priv*/
-        dev_priv->backlight_duty_cycle = (dev_priv->saveBLC_PWM_CTL &
-                                                BACKLIGHT_DUTY_CYCLE_MASK);
-
-        /*
-         * If the light is off at server startup,
-         * just make it full brightness
-         */
-        if (dev_priv->backlight_duty_cycle == 0)
-                dev_priv->backlight_duty_cycle =
-                psb_intel_lvds_get_max_backlight(dev);
-
-        dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
-                        lvds_priv->savePP_ON,
-                        lvds_priv->savePP_OFF,
-                        lvds_priv->saveLVDS,
-                        lvds_priv->savePP_CONTROL,
-                        lvds_priv->savePP_CYCLE,
-                        lvds_priv->saveBLC_PWM_CTL);
-}
-
-static void psb_intel_lvds_restore(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        u32 pp_status;
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-        struct psb_intel_lvds_priv *lvds_priv =
-                (struct psb_intel_lvds_priv *)psb_intel_output->dev_priv;
-
-        dev_dbg(dev->dev, "(0x%x, 0x%x, 0x%x, 0x%x, 0x%x, 0x%x)\n",
-                        lvds_priv->savePP_ON,
-                        lvds_priv->savePP_OFF,
-                        lvds_priv->saveLVDS,
-                        lvds_priv->savePP_CONTROL,
-                        lvds_priv->savePP_CYCLE,
-                        lvds_priv->saveBLC_PWM_CTL);
-
-        REG_WRITE(BLC_PWM_CTL, lvds_priv->saveBLC_PWM_CTL);
-        REG_WRITE(PFIT_CONTROL, lvds_priv->savePFIT_CONTROL);
-        REG_WRITE(PFIT_PGM_RATIOS, lvds_priv->savePFIT_PGM_RATIOS);
-        REG_WRITE(LVDSPP_ON, lvds_priv->savePP_ON);
-        REG_WRITE(LVDSPP_OFF, lvds_priv->savePP_OFF);
-        /*REG_WRITE(PP_DIVISOR, lvds_priv->savePP_DIVISOR);*/
-        REG_WRITE(PP_CYCLE, lvds_priv->savePP_CYCLE);
-        REG_WRITE(PP_CONTROL, lvds_priv->savePP_CONTROL);
-        REG_WRITE(LVDS, lvds_priv->saveLVDS);
-
-        if (lvds_priv->savePP_CONTROL & POWER_TARGET_ON) {
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) |
-                        POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while ((pp_status & PP_ON) == 0);
-        } else {
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) &
-                        ~POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while (pp_status & PP_ON);
-        }
-}
-
-int psb_intel_lvds_mode_valid(struct drm_connector *connector,
-                                 struct drm_display_mode *mode)
-{
-        struct psb_intel_output *psb_intel_output =
-                                to_psb_intel_output(connector);
-        struct drm_display_mode *fixed_mode =
-            psb_intel_output->mode_dev->panel_fixed_mode;
-
-        if (psb_intel_output->type == INTEL_OUTPUT_MIPI2)
-                fixed_mode = psb_intel_output->mode_dev->panel_fixed_mode2;
-
-        /* just in case */
-        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-                return MODE_NO_DBLESCAN;
-
-        /* just in case */
-        if (mode->flags & DRM_MODE_FLAG_INTERLACE)
-                return MODE_NO_INTERLACE;
-
-        if (fixed_mode) {
-                if (mode->hdisplay > fixed_mode->hdisplay)
-                        return MODE_PANEL;
-                if (mode->vdisplay > fixed_mode->vdisplay)
-                        return MODE_PANEL;
-        }
-        return MODE_OK;
-}
-
-bool psb_intel_lvds_mode_fixup(struct drm_encoder *encoder,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        struct psb_intel_mode_device *mode_dev =
-            enc_to_psb_intel_output(encoder)->mode_dev;
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_crtc *psb_intel_crtc =
-                                to_psb_intel_crtc(encoder->crtc);
-        struct drm_encoder *tmp_encoder;
-        struct drm_display_mode *panel_fixed_mode = mode_dev->panel_fixed_mode;
-        struct psb_intel_output *psb_intel_output =
-                                        enc_to_psb_intel_output(encoder);
-
-        if (psb_intel_output->type == INTEL_OUTPUT_MIPI2)
-                panel_fixed_mode = mode_dev->panel_fixed_mode2;
-
-        /* PSB requires the LVDS is on pipe B, MRST has only one pipe anyway */
-        if (!IS_MRST(dev) && psb_intel_crtc->pipe == 0) {
-                printk(KERN_ERR "Can't support LVDS on pipe A\n");
-                return false;
-        }
-        if (IS_MRST(dev) && psb_intel_crtc->pipe != 0) {
-                printk(KERN_ERR "Must use PIPE A\n");
-                return false;
-        }
-        /* Should never happen!! */
-        list_for_each_entry(tmp_encoder, &dev->mode_config.encoder_list,
-                            head) {
-                if (tmp_encoder != encoder
-                    && tmp_encoder->crtc == encoder->crtc) {
-                        printk(KERN_ERR "Can't enable LVDS and another "
-                               "encoder on the same pipe\n");
-                        return false;
-                }
-        }
-
-        /*
-         * If we have timings from the BIOS for the panel, put them in
-         * to the adjusted mode.  The CRTC will be set up for this mode,
-         * with the panel scaling set up to source from the H/VDisplay
-         * of the original mode.
-         */
-        if (panel_fixed_mode != NULL) {
-                adjusted_mode->hdisplay = panel_fixed_mode->hdisplay;
-                adjusted_mode->hsync_start = panel_fixed_mode->hsync_start;
-                adjusted_mode->hsync_end = panel_fixed_mode->hsync_end;
-                adjusted_mode->htotal = panel_fixed_mode->htotal;
-                adjusted_mode->vdisplay = panel_fixed_mode->vdisplay;
-                adjusted_mode->vsync_start = panel_fixed_mode->vsync_start;
-                adjusted_mode->vsync_end = panel_fixed_mode->vsync_end;
-                adjusted_mode->vtotal = panel_fixed_mode->vtotal;
-                adjusted_mode->clock = panel_fixed_mode->clock;
-                drm_mode_set_crtcinfo(adjusted_mode,
-                                      CRTC_INTERLACE_HALVE_V);
-        }
-
-        /*
-         * XXX: It would be nice to support lower refresh rates on the
-         * panels to reduce power consumption, and perhaps match the
-         * user's requested refresh rate.
-         */
-
-        return true;
-}
-
-static void psb_intel_lvds_prepare(struct drm_encoder *encoder)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-        if (!gma_power_begin(dev, true))
-                return;
-
-        mode_dev->saveBLC_PWM_CTL = REG_READ(BLC_PWM_CTL);
-        mode_dev->backlight_duty_cycle = (mode_dev->saveBLC_PWM_CTL &
-                                          BACKLIGHT_DUTY_CYCLE_MASK);
-
-        psb_intel_lvds_set_power(dev, output, false);
-
-        gma_power_end(dev);
-}
-
-static void psb_intel_lvds_commit(struct drm_encoder *encoder)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *output = enc_to_psb_intel_output(encoder);
-        struct psb_intel_mode_device *mode_dev = output->mode_dev;
-
-        if (mode_dev->backlight_duty_cycle == 0)
-                mode_dev->backlight_duty_cycle =
-                    psb_intel_lvds_get_max_backlight(dev);
-
-        psb_intel_lvds_set_power(dev, output, true);
-}
-
-static void psb_intel_lvds_mode_set(struct drm_encoder *encoder,
-                                struct drm_display_mode *mode,
-                                struct drm_display_mode *adjusted_mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 pfit_control;
-
-        /*
-         * The LVDS pin pair will already have been turned on in the
-         * psb_intel_crtc_mode_set since it has a large impact on the DPLL
-         * settings.
-         */
-
-        /*
-         * Enable automatic panel scaling so that non-native modes fill the
-         * screen.  Should be enabled before the pipe is enabled, according to
-         * register description and PRM.
-         */
-        if (mode->hdisplay != adjusted_mode->hdisplay ||
-            mode->vdisplay != adjusted_mode->vdisplay)
-                pfit_control = (PFIT_ENABLE | VERT_AUTO_SCALE |
-                                HORIZ_AUTO_SCALE | VERT_INTERP_BILINEAR |
-                                HORIZ_INTERP_BILINEAR);
-        else
-                pfit_control = 0;
-
-        if (dev_priv->lvds_dither)
-                pfit_control |= PANEL_8TO6_DITHER_ENABLE;
-
-        REG_WRITE(PFIT_CONTROL, pfit_control);
-}
-
-/*
- * Detect the LVDS connection.
- *
- * This always returns CONNECTOR_STATUS_CONNECTED.
- * This connector should only have
- * been set up if the LVDS was actually connected anyway.
- */
-static enum drm_connector_status psb_intel_lvds_detect(struct drm_connector
-                                                   *connector, bool force)
-{
-        return connector_status_connected;
-}
-
-/*
- * Return the list of DDC modes if available, or the BIOS fixed mode otherwise.
- */
-static int psb_intel_lvds_get_modes(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-        struct psb_intel_mode_device *mode_dev =
-                                        psb_intel_output->mode_dev;
-        int ret = 0;
-
-        if (!IS_MRST(dev))
-                ret = psb_intel_ddc_get_modes(psb_intel_output);
-
-        if (ret)
-                return ret;
-
-        /* Didn't get an EDID, so
-         * Set wide sync ranges so we get all modes
-         * handed to valid_mode for checking
-         */
-        connector->display_info.min_vfreq = 0;
-        connector->display_info.max_vfreq = 200;
-        connector->display_info.min_hfreq = 0;
-        connector->display_info.max_hfreq = 200;
-
-        if (mode_dev->panel_fixed_mode != NULL) {
-                struct drm_display_mode *mode =
-                    drm_mode_duplicate(dev, mode_dev->panel_fixed_mode);
-                drm_mode_probed_add(connector, mode);
-                return 1;
-        }
-
-        return 0;
-}
-
-/**
- * psb_intel_lvds_destroy - unregister and free LVDS structures
- * @connector: connector to free
- *
- * Unregister the DDC bus for this connector then free the driver private
- * structure.
- */
-void psb_intel_lvds_destroy(struct drm_connector *connector)
-{
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-
-        if (psb_intel_output->ddc_bus)
-                psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-        drm_sysfs_connector_remove(connector);
-        drm_connector_cleanup(connector);
-        kfree(connector);
-}
-
-int psb_intel_lvds_set_property(struct drm_connector *connector,
-                                       struct drm_property *property,
-                                       uint64_t value)
-{
-        struct drm_encoder *encoder = connector->encoder;
-
-        if (!encoder)
-                return -1;
-
-        if (!strcmp(property->name, "scaling mode")) {
-                struct psb_intel_crtc *crtc =
-                                        to_psb_intel_crtc(encoder->crtc);
-                uint64_t curval;
-
-                if (!crtc)
-                        goto set_prop_error;
-
-                switch (value) {
-                case DRM_MODE_SCALE_FULLSCREEN:
-                        break;
-                case DRM_MODE_SCALE_NO_SCALE:
-                        break;
-                case DRM_MODE_SCALE_ASPECT:
-                        break;
-                default:
-                        goto set_prop_error;
-                }
-
-                if (drm_connector_property_get_value(connector,
-                                                     property,
-                                                     &curval))
-                        goto set_prop_error;
-
-                if (curval == value)
-                        goto set_prop_done;
-
-                if (drm_connector_property_set_value(connector,
-                                                        property,
-                                                        value))
-                        goto set_prop_error;
-
-                if (crtc->saved_mode.hdisplay != 0 &&
-                    crtc->saved_mode.vdisplay != 0) {
-                        if (!drm_crtc_helper_set_mode(encoder->crtc,
-                                                      &crtc->saved_mode,
-                                                      encoder->crtc->x,
-                                                      encoder->crtc->y,
-                                                      encoder->crtc->fb))
-                                goto set_prop_error;
-                }
-        } else if (!strcmp(property->name, "backlight")) {
-                if (drm_connector_property_set_value(connector,
-                                                        property,
-                                                        value))
-                        goto set_prop_error;
-                else {
-#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
-                        struct drm_psb_private *devp =
-                                                encoder->dev->dev_private;
-                        struct backlight_device *bd = devp->backlight_device;
-                        if (bd) {
-                                bd->props.brightness = value;
-                                backlight_update_status(bd);
-                        }
-#endif
-                }
-        } else if (!strcmp(property->name, "DPMS")) {
-                struct drm_encoder_helper_funcs *hfuncs
-                                                = encoder->helper_private;
-                hfuncs->dpms(encoder, value);
-        }
-
-set_prop_done:
-        return 0;
-set_prop_error:
-        return -1;
-}
-
-static const struct drm_encoder_helper_funcs psb_intel_lvds_helper_funcs = {
-        .dpms = psb_intel_lvds_encoder_dpms,
-        .mode_fixup = psb_intel_lvds_mode_fixup,
-        .prepare = psb_intel_lvds_prepare,
-        .mode_set = psb_intel_lvds_mode_set,
-        .commit = psb_intel_lvds_commit,
-};
-
-const struct drm_connector_helper_funcs
-                                psb_intel_lvds_connector_helper_funcs = {
-        .get_modes = psb_intel_lvds_get_modes,
-        .mode_valid = psb_intel_lvds_mode_valid,
-        .best_encoder = psb_intel_best_encoder,
-};
-
-const struct drm_connector_funcs psb_intel_lvds_connector_funcs = {
-        .dpms = drm_helper_connector_dpms,
-        .save = psb_intel_lvds_save,
-        .restore = psb_intel_lvds_restore,
-        .detect = psb_intel_lvds_detect,
-        .fill_modes = drm_helper_probe_single_connector_modes,
-        .set_property = psb_intel_lvds_set_property,
-        .destroy = psb_intel_lvds_destroy,
-};
-
-
-static void psb_intel_lvds_enc_destroy(struct drm_encoder *encoder)
-{
-        drm_encoder_cleanup(encoder);
-}
-
-const struct drm_encoder_funcs psb_intel_lvds_enc_funcs = {
-        .destroy = psb_intel_lvds_enc_destroy,
-};
-
-
-
-/**
- * psb_intel_lvds_init - setup LVDS connectors on this device
- * @dev: drm device
- *
- * Create the connector, register the LVDS DDC bus, and try to figure out what
- * modes we can display on the LVDS panel (if present).
- */
-void psb_intel_lvds_init(struct drm_device *dev,
-                     struct psb_intel_mode_device *mode_dev)
-{
-        struct psb_intel_output *psb_intel_output;
-        struct psb_intel_lvds_priv *lvds_priv;
-        struct drm_connector *connector;
-        struct drm_encoder *encoder;
-        struct drm_display_mode *scan;  /* *modes, *bios_mode; */
-        struct drm_crtc *crtc;
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        u32 lvds;
-        int pipe;
-
-        psb_intel_output = kzalloc(sizeof(struct psb_intel_output), GFP_KERNEL);
-        if (!psb_intel_output)
-                return;
-
-        lvds_priv = kzalloc(sizeof(struct psb_intel_lvds_priv), GFP_KERNEL);
-        if (!lvds_priv) {
-                kfree(psb_intel_output);
-                dev_err(dev->dev, "LVDS private allocation error\n");
-                return;
-        }
-
-        psb_intel_output->dev_priv = lvds_priv;
-        psb_intel_output->mode_dev = mode_dev;
-
-        connector = &psb_intel_output->base;
-        encoder = &psb_intel_output->enc;
-        drm_connector_init(dev, &psb_intel_output->base,
-                           &psb_intel_lvds_connector_funcs,
-                           DRM_MODE_CONNECTOR_LVDS);
-
-        drm_encoder_init(dev, &psb_intel_output->enc,
-                         &psb_intel_lvds_enc_funcs,
-                         DRM_MODE_ENCODER_LVDS);
-
-        drm_mode_connector_attach_encoder(&psb_intel_output->base,
-                                          &psb_intel_output->enc);
-        psb_intel_output->type = INTEL_OUTPUT_LVDS;
-
-        drm_encoder_helper_add(encoder, &psb_intel_lvds_helper_funcs);
-        drm_connector_helper_add(connector,
-                                 &psb_intel_lvds_connector_helper_funcs);
-        connector->display_info.subpixel_order = SubPixelHorizontalRGB;
-        connector->interlace_allowed = false;
-        connector->doublescan_allowed = false;
-
-        /*Attach connector properties*/
-        drm_connector_attach_property(connector,
-                                      dev->mode_config.scaling_mode_property,
-                                      DRM_MODE_SCALE_FULLSCREEN);
-        drm_connector_attach_property(connector,
-                                      dev_priv->backlight_property,
-                                      BRIGHTNESS_MAX_LEVEL);
-
-        /*
-         * Set up I2C bus
-         * FIXME: distroy i2c_bus when exit
-         */
-        psb_intel_output->i2c_bus = psb_intel_i2c_create(dev,
-                                                         GPIOB,
-                                                         "LVDSBLC_B");
-        if (!psb_intel_output->i2c_bus) {
-                dev_printk(KERN_ERR,
-                        &dev->pdev->dev, "I2C bus registration failed.\n");
-                goto failed_blc_i2c;
-        }
-        psb_intel_output->i2c_bus->slave_addr = 0x2C;
-        dev_priv->lvds_i2c_bus =  psb_intel_output->i2c_bus;
-
-        /*
-         * LVDS discovery:
-         * 1) check for EDID on DDC
-         * 2) check for VBT data
-         * 3) check to see if LVDS is already on
-         *    if none of the above, no panel
-         * 4) make sure lid is open
-         *    if closed, act like it's not there for now
-         */
-
-        /* Set up the DDC bus. */
-        psb_intel_output->ddc_bus = psb_intel_i2c_create(dev,
-                                                         GPIOC,
-                                                         "LVDSDDC_C");
-        if (!psb_intel_output->ddc_bus) {
-                dev_printk(KERN_ERR, &dev->pdev->dev,
-                           "DDC bus registration " "failed.\n");
-                goto failed_ddc;
-        }
-
-        /*
-         * Attempt to get the fixed panel mode from DDC.  Assume that the
-         * preferred mode is the right one.
-         */
-        psb_intel_ddc_get_modes(psb_intel_output);
-        list_for_each_entry(scan, &connector->probed_modes, head) {
-                if (scan->type & DRM_MODE_TYPE_PREFERRED) {
-                        mode_dev->panel_fixed_mode =
-                            drm_mode_duplicate(dev, scan);
-                        goto out;       /* FIXME: check for quirks */
-                }
-        }
-
-        /* Failed to get EDID, what about VBT? do we need this? */
-        if (mode_dev->vbt_mode)
-                mode_dev->panel_fixed_mode =
-                    drm_mode_duplicate(dev, mode_dev->vbt_mode);
-
-        if (!mode_dev->panel_fixed_mode)
-                if (dev_priv->lfp_lvds_vbt_mode)
-                        mode_dev->panel_fixed_mode =
-                                drm_mode_duplicate(dev,
-                                        dev_priv->lfp_lvds_vbt_mode);
-
-        /*
-         * If we didn't get EDID, try checking if the panel is already turned
-         * on.  If so, assume that whatever is currently programmed is the
-         * correct mode.
-         */
-        lvds = REG_READ(LVDS);
-        pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;
-        crtc = psb_intel_get_crtc_from_pipe(dev, pipe);
-
-        if (crtc && (lvds & LVDS_PORT_EN)) {
-                mode_dev->panel_fixed_mode =
-                    psb_intel_crtc_mode_get(dev, crtc);
-                if (mode_dev->panel_fixed_mode) {
-                        mode_dev->panel_fixed_mode->type |=
-                            DRM_MODE_TYPE_PREFERRED;
-                        goto out;       /* FIXME: check for quirks */
-                }
-        }
-
-        /* If we still don't have a mode after all that, give up. */
-        if (!mode_dev->panel_fixed_mode) {
-                dev_err(dev->dev, "Found no modes on the lvds, ignoring the LVDS\n");
-                goto failed_find;
-        }
-
-        /*
-         * Blacklist machines with BIOSes that list an LVDS panel without
-         * actually having one.
-         */
-out:
-        drm_sysfs_connector_add(connector);
-        return;
-
-failed_find:
-        if (psb_intel_output->ddc_bus)
-                psb_intel_i2c_destroy(psb_intel_output->ddc_bus);
-failed_ddc:
-        if (psb_intel_output->i2c_bus)
-                psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-failed_blc_i2c:
-        drm_encoder_cleanup(encoder);
-        drm_connector_cleanup(connector);
-        kfree(connector);
-}
-
diff --git a/drivers/staging/gma500/psb_intel_modes.c b/drivers/staging/gma500/psb_intel_modes.c
deleted file mode 100644
index bde1aff96190..000000000000
--- a/drivers/staging/gma500/psb_intel_modes.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Copyright (c) 2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authers: Jesse Barnes <jesse.barnes@intel.com>
- */
-
-#include <linux/i2c.h>
-#include <linux/fb.h>
-#include <drm/drmP.h>
-#include "psb_intel_drv.h"
-
-/**
- * psb_intel_ddc_probe
- *
- */
-bool psb_intel_ddc_probe(struct psb_intel_output *psb_intel_output)
-{
-        u8 out_buf[] = { 0x0, 0x0 };
-        u8 buf[2];
-        int ret;
-        struct i2c_msg msgs[] = {
-                {
-                 .addr = 0x50,
-                 .flags = 0,
-                 .len = 1,
-                 .buf = out_buf,
-                 },
-                {
-                 .addr = 0x50,
-                 .flags = I2C_M_RD,
-                 .len = 1,
-                 .buf = buf,
-                 }
-        };
-
-        ret = i2c_transfer(&psb_intel_output->ddc_bus->adapter, msgs, 2);
-        if (ret == 2)
-                return true;
-
-        return false;
-}
-
-/**
- * psb_intel_ddc_get_modes - get modelist from monitor
- * @connector: DRM connector device to use
- *
- * Fetch the EDID information from @connector using the DDC bus.
- */
-int psb_intel_ddc_get_modes(struct psb_intel_output *psb_intel_output)
-{
-        struct edid *edid;
-        int ret = 0;
-
-        edid =
-            drm_get_edid(&psb_intel_output->base,
-                         &psb_intel_output->ddc_bus->adapter);
-        if (edid) {
-                drm_mode_connector_update_edid_property(&psb_intel_output->
-                                                        base, edid);
-                ret = drm_add_edid_modes(&psb_intel_output->base, edid);
-                kfree(edid);
-        }
-        return ret;
-}
diff --git a/drivers/staging/gma500/psb_intel_reg.h b/drivers/staging/gma500/psb_intel_reg.h
deleted file mode 100644
index 1ac16aa791c9..000000000000
--- a/drivers/staging/gma500/psb_intel_reg.h
+++ /dev/null
@@ -1,1235 +0,0 @@
-/*
- * Copyright (c) 2009, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- */
-#ifndef __PSB_INTEL_REG_H__
-#define __PSB_INTEL_REG_H__
-
-#define BLC_PWM_CTL             0x61254
-#define BLC_PWM_CTL2            0x61250
-#define BLC_PWM_CTL_C           0x62254
-#define BLC_PWM_CTL2_C          0x62250
-#define BACKLIGHT_MODULATION_FREQ_SHIFT         (17)
-/*
- * This is the most significant 15 bits of the number of backlight cycles in a
- * complete cycle of the modulated backlight control.
- *
- * The actual value is this field multiplied by two.
- */
-#define BACKLIGHT_MODULATION_FREQ_MASK  (0x7fff << 17)
-#define BLM_LEGACY_MODE                 (1 << 16)
-/*
- * This is the number of cycles out of the backlight modulation cycle for which
- * the backlight is on.
- *
- * This field must be no greater than the number of cycles in the complete
- * backlight modulation cycle.
- */
-#define BACKLIGHT_DUTY_CYCLE_SHIFT      (0)
-#define BACKLIGHT_DUTY_CYCLE_MASK       (0xffff)
-
-#define I915_GCFGC                      0xf0
-#define I915_LOW_FREQUENCY_ENABLE       (1 << 7)
-#define I915_DISPLAY_CLOCK_190_200_MHZ  (0 << 4)
-#define I915_DISPLAY_CLOCK_333_MHZ      (4 << 4)
-#define I915_DISPLAY_CLOCK_MASK         (7 << 4)
-
-#define I855_HPLLCC                     0xc0
-#define I855_CLOCK_CONTROL_MASK         (3 << 0)
-#define I855_CLOCK_133_200              (0 << 0)
-#define I855_CLOCK_100_200              (1 << 0)
-#define I855_CLOCK_100_133              (2 << 0)
-#define I855_CLOCK_166_250              (3 << 0)
-
-/* I830 CRTC registers */
-#define HTOTAL_A                0x60000
-#define HBLANK_A                0x60004
-#define HSYNC_A                 0x60008
-#define VTOTAL_A                0x6000c
-#define VBLANK_A                0x60010
-#define VSYNC_A                 0x60014
-#define PIPEASRC                0x6001c
-#define BCLRPAT_A               0x60020
-#define VSYNCSHIFT_A            0x60028
-
-#define HTOTAL_B                0x61000
-#define HBLANK_B                0x61004
-#define HSYNC_B                 0x61008
-#define VTOTAL_B                0x6100c
-#define VBLANK_B                0x61010
-#define VSYNC_B                 0x61014
-#define PIPEBSRC                0x6101c
-#define BCLRPAT_B               0x61020
-#define VSYNCSHIFT_B            0x61028
-
-#define HTOTAL_C                0x62000
-#define HBLANK_C                0x62004
-#define HSYNC_C                 0x62008
-#define VTOTAL_C                0x6200c
-#define VBLANK_C                0x62010
-#define VSYNC_C                 0x62014
-#define PIPECSRC                0x6201c
-#define BCLRPAT_C               0x62020
-#define VSYNCSHIFT_C            0x62028
-
-#define PP_STATUS               0x61200
-# define PP_ON                          (1 << 31)
-/*
- * Indicates that all dependencies of the panel are on:
- *
- * - PLL enabled
- * - pipe enabled
- * - LVDS/DVOB/DVOC on
- */
-#define PP_READY                        (1 << 30)
-#define PP_SEQUENCE_NONE                (0 << 28)
-#define PP_SEQUENCE_ON                  (1 << 28)
-#define PP_SEQUENCE_OFF                 (2 << 28)
-#define PP_SEQUENCE_MASK                0x30000000
-#define PP_CONTROL              0x61204
-#define POWER_TARGET_ON                 (1 << 0)
-
-#define LVDSPP_ON               0x61208
-#define LVDSPP_OFF              0x6120c
-#define PP_CYCLE                0x61210
-
-#define PFIT_CONTROL            0x61230
-#define PFIT_ENABLE                     (1 << 31)
-#define PFIT_PIPE_MASK                  (3 << 29)
-#define PFIT_PIPE_SHIFT                 29
-#define PFIT_SCALING_MODE_PILLARBOX     (1 << 27)
-#define PFIT_SCALING_MODE_LETTERBOX     (3 << 26)
-#define VERT_INTERP_DISABLE             (0 << 10)
-#define VERT_INTERP_BILINEAR            (1 << 10)
-#define VERT_INTERP_MASK                (3 << 10)
-#define VERT_AUTO_SCALE                 (1 << 9)
-#define HORIZ_INTERP_DISABLE            (0 << 6)
-#define HORIZ_INTERP_BILINEAR           (1 << 6)
-#define HORIZ_INTERP_MASK               (3 << 6)
-#define HORIZ_AUTO_SCALE                (1 << 5)
-#define PANEL_8TO6_DITHER_ENABLE        (1 << 3)
-
-#define PFIT_PGM_RATIOS         0x61234
-#define PFIT_VERT_SCALE_MASK                    0xfff00000
-#define PFIT_HORIZ_SCALE_MASK                   0x0000fff0
-
-#define PFIT_AUTO_RATIOS        0x61238
-
-#define DPLL_A                  0x06014
-#define DPLL_B                  0x06018
-#define DPLL_VCO_ENABLE                 (1 << 31)
-#define DPLL_DVO_HIGH_SPEED             (1 << 30)
-#define DPLL_SYNCLOCK_ENABLE            (1 << 29)
-#define DPLL_VGA_MODE_DIS               (1 << 28)
-#define DPLLB_MODE_DAC_SERIAL           (1 << 26)       /* i915 */
-#define DPLLB_MODE_LVDS                 (2 << 26)       /* i915 */
-#define DPLL_MODE_MASK                  (3 << 26)
-#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_10 (0 << 24)       /* i915 */
-#define DPLL_DAC_SERIAL_P2_CLOCK_DIV_5  (1 << 24)       /* i915 */
-#define DPLLB_LVDS_P2_CLOCK_DIV_14      (0 << 24)       /* i915 */
-#define DPLLB_LVDS_P2_CLOCK_DIV_7       (1 << 24)       /* i915 */
-#define DPLL_P2_CLOCK_DIV_MASK          0x03000000      /* i915 */
-#define DPLL_FPA01_P1_POST_DIV_MASK     0x00ff0000      /* i915 */
-#define DPLL_LOCK                       (1 << 15)       /* CDV */
-
-/*
- *  The i830 generation, in DAC/serial mode, defines p1 as two plus this
- * bitfield, or just 2 if PLL_P1_DIVIDE_BY_TWO is set.
- */
-# define DPLL_FPA01_P1_POST_DIV_MASK_I830       0x001f0000
-/*
- * The i830 generation, in LVDS mode, defines P1 as the bit number set within
- * this field (only one bit may be set).
- */
-#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS   0x003f0000
-#define DPLL_FPA01_P1_POST_DIV_SHIFT    16
-#define PLL_P2_DIVIDE_BY_4              (1 << 23)       /* i830, required
-                                                         * in DVO non-gang */
-# define PLL_P1_DIVIDE_BY_TWO           (1 << 21)       /* i830 */
-#define PLL_REF_INPUT_DREFCLK           (0 << 13)
-#define PLL_REF_INPUT_TVCLKINA          (1 << 13)       /* i830 */
-#define PLL_REF_INPUT_TVCLKINBC         (2 << 13)       /* SDVO
-                                                                 * TVCLKIN */
-#define PLLB_REF_INPUT_SPREADSPECTRUMIN (3 << 13)
-#define PLL_REF_INPUT_MASK              (3 << 13)
-#define PLL_LOAD_PULSE_PHASE_SHIFT      9
-/*
- * Parallel to Serial Load Pulse phase selection.
- * Selects the phase for the 10X DPLL clock for the PCIe
- * digital display port. The range is 4 to 13; 10 or more
- * is just a flip delay. The default is 6
- */
-#define PLL_LOAD_PULSE_PHASE_MASK       (0xf << PLL_LOAD_PULSE_PHASE_SHIFT)
-#define DISPLAY_RATE_SELECT_FPA1        (1 << 8)
-
-/*
- * SDVO multiplier for 945G/GM. Not used on 965.
- *
- * DPLL_MD_UDI_MULTIPLIER_MASK
- */
-#define SDVO_MULTIPLIER_MASK            0x000000ff
-#define SDVO_MULTIPLIER_SHIFT_HIRES     4
-#define SDVO_MULTIPLIER_SHIFT_VGA       0
-
-/*
- * PLL_MD
- */
-/* Pipe A SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_A_MD               0x0601c
-/* Pipe B SDVO/UDI clock multiplier/divider register for G965. */
-#define DPLL_B_MD               0x06020
-/*
- * UDI pixel divider, controlling how many pixels are stuffed into a packet.
- *
- * Value is pixels minus 1.  Must be set to 1 pixel for SDVO.
- */
-#define DPLL_MD_UDI_DIVIDER_MASK        0x3f000000
-#define DPLL_MD_UDI_DIVIDER_SHIFT       24
-/* UDI pixel divider for VGA, same as DPLL_MD_UDI_DIVIDER_MASK. */
-#define DPLL_MD_VGA_UDI_DIVIDER_MASK    0x003f0000
-#define DPLL_MD_VGA_UDI_DIVIDER_SHIFT   16
-/*
- * SDVO/UDI pixel multiplier.
- *
- * SDVO requires that the bus clock rate be between 1 and 2 Ghz, and the bus
- * clock rate is 10 times the DPLL clock.  At low resolution/refresh rate
- * modes, the bus rate would be below the limits, so SDVO allows for stuffing
- * dummy bytes in the datastream at an increased clock rate, with both sides of
- * the link knowing how many bytes are fill.
- *
- * So, for a mode with a dotclock of 65Mhz, we would want to double the clock
- * rate to 130Mhz to get a bus rate of 1.30Ghz.  The DPLL clock rate would be
- * set to 130Mhz, and the SDVO multiplier set to 2x in this register and
- * through an SDVO command.
- *
- * This register field has values of multiplication factor minus 1, with
- * a maximum multiplier of 5 for SDVO.
- */
-#define DPLL_MD_UDI_MULTIPLIER_MASK     0x00003f00
-#define DPLL_MD_UDI_MULTIPLIER_SHIFT    8
-/*
- * SDVO/UDI pixel multiplier for VGA, same as DPLL_MD_UDI_MULTIPLIER_MASK.
- * This best be set to the default value (3) or the CRT won't work. No,
- * I don't entirely understand what this does...
- */
-#define DPLL_MD_VGA_UDI_MULTIPLIER_MASK 0x0000003f
-#define DPLL_MD_VGA_UDI_MULTIPLIER_SHIFT 0
-
-#define DPLL_TEST               0x606c
-#define DPLLB_TEST_SDVO_DIV_1           (0 << 22)
-#define DPLLB_TEST_SDVO_DIV_2           (1 << 22)
-#define DPLLB_TEST_SDVO_DIV_4           (2 << 22)
-#define DPLLB_TEST_SDVO_DIV_MASK        (3 << 22)
-#define DPLLB_TEST_N_BYPASS             (1 << 19)
-#define DPLLB_TEST_M_BYPASS             (1 << 18)
-#define DPLLB_INPUT_BUFFER_ENABLE       (1 << 16)
-#define DPLLA_TEST_N_BYPASS             (1 << 3)
-#define DPLLA_TEST_M_BYPASS             (1 << 2)
-#define DPLLA_INPUT_BUFFER_ENABLE       (1 << 0)
-
-#define ADPA                    0x61100
-#define ADPA_DAC_ENABLE                 (1 << 31)
-#define ADPA_DAC_DISABLE                0
-#define ADPA_PIPE_SELECT_MASK           (1 << 30)
-#define ADPA_PIPE_A_SELECT              0
-#define ADPA_PIPE_B_SELECT              (1 << 30)
-#define ADPA_USE_VGA_HVPOLARITY         (1 << 15)
-#define ADPA_SETS_HVPOLARITY            0
-#define ADPA_VSYNC_CNTL_DISABLE         (1 << 11)
-#define ADPA_VSYNC_CNTL_ENABLE          0
-#define ADPA_HSYNC_CNTL_DISABLE         (1 << 10)
-#define ADPA_HSYNC_CNTL_ENABLE          0
-#define ADPA_VSYNC_ACTIVE_HIGH          (1 << 4)
-#define ADPA_VSYNC_ACTIVE_LOW           0
-#define ADPA_HSYNC_ACTIVE_HIGH          (1 << 3)
-#define ADPA_HSYNC_ACTIVE_LOW           0
-
-#define FPA0                    0x06040
-#define FPA1                    0x06044
-#define FPB0                    0x06048
-#define FPB1                    0x0604c
-#define FP_N_DIV_MASK                   0x003f0000
-#define FP_N_DIV_SHIFT                  16
-#define FP_M1_DIV_MASK                  0x00003f00
-#define FP_M1_DIV_SHIFT                 8
-#define FP_M2_DIV_MASK                  0x0000003f
-#define FP_M2_DIV_SHIFT                 0
-
-#define PORT_HOTPLUG_EN         0x61110
-#define SDVOB_HOTPLUG_INT_EN            (1 << 26)
-#define SDVOC_HOTPLUG_INT_EN            (1 << 25)
-#define TV_HOTPLUG_INT_EN               (1 << 18)
-#define CRT_HOTPLUG_INT_EN              (1 << 9)
-#define CRT_HOTPLUG_FORCE_DETECT        (1 << 3)
-/* CDV.. */
-#define CRT_HOTPLUG_ACTIVATION_PERIOD_64        (1 << 8)
-#define CRT_HOTPLUG_DAC_ON_TIME_2M              (0 << 7)
-#define CRT_HOTPLUG_DAC_ON_TIME_4M              (1 << 7)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_40          (0 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_50          (1 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_60          (2 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_70          (3 << 5)
-#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK        (3 << 5)
-#define CRT_HOTPLUG_DETECT_DELAY_1G             (0 << 4)
-#define CRT_HOTPLUG_DETECT_DELAY_2G             (1 << 4)
-#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV        (0 << 2)
-#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV        (1 << 2)
-#define CRT_HOTPLUG_DETECT_MASK                 0x000000F8
-
-#define PORT_HOTPLUG_STAT       0x61114
-#define CRT_HOTPLUG_INT_STATUS          (1 << 11)
-#define TV_HOTPLUG_INT_STATUS           (1 << 10)
-#define CRT_HOTPLUG_MONITOR_MASK        (3 << 8)
-#define CRT_HOTPLUG_MONITOR_COLOR       (3 << 8)
-#define CRT_HOTPLUG_MONITOR_MONO        (2 << 8)
-#define CRT_HOTPLUG_MONITOR_NONE        (0 << 8)
-#define SDVOC_HOTPLUG_INT_STATUS        (1 << 7)
-#define SDVOB_HOTPLUG_INT_STATUS        (1 << 6)
-
-#define SDVOB                   0x61140
-#define SDVOC                   0x61160
-#define SDVO_ENABLE                     (1 << 31)
-#define SDVO_PIPE_B_SELECT              (1 << 30)
-#define SDVO_STALL_SELECT               (1 << 29)
-#define SDVO_INTERRUPT_ENABLE           (1 << 26)
-
-/**
- * 915G/GM SDVO pixel multiplier.
- *
- * Programmed value is multiplier - 1, up to 5x.
- *
- * DPLL_MD_UDI_MULTIPLIER_MASK
- */
-#define SDVO_PORT_MULTIPLY_MASK         (7 << 23)
-#define SDVO_PORT_MULTIPLY_SHIFT        23
-#define SDVO_PHASE_SELECT_MASK          (15 << 19)
-#define SDVO_PHASE_SELECT_DEFAULT       (6 << 19)
-#define SDVO_CLOCK_OUTPUT_INVERT        (1 << 18)
-#define SDVOC_GANG_MODE                 (1 << 16)
-#define SDVO_BORDER_ENABLE              (1 << 7)
-#define SDVOB_PCIE_CONCURRENCY          (1 << 3)
-#define SDVO_DETECTED                   (1 << 2)
-/* Bits to be preserved when writing */
-#define SDVOB_PRESERVE_MASK             ((1 << 17) | (1 << 16) | (1 << 14))
-#define SDVOC_PRESERVE_MASK             (1 << 17)
-
-/*
- * This register controls the LVDS output enable, pipe selection, and data
- * format selection.
- *
- * All of the clock/data pairs are force powered down by power sequencing.
- */
-#define LVDS                    0x61180
-/*
- * Enables the LVDS port.  This bit must be set before DPLLs are enabled, as
- * the DPLL semantics change when the LVDS is assigned to that pipe.
- */
-#define LVDS_PORT_EN                    (1 << 31)
-/* Selects pipe B for LVDS data.  Must be set on pre-965. */
-#define LVDS_PIPEB_SELECT               (1 << 30)
-
-/* Turns on border drawing to allow centered display. */
-#define LVDS_BORDER_EN                  (1 << 15)
-
-/*
- * Enables the A0-A2 data pairs and CLKA, containing 18 bits of color data per
- * pixel.
- */
-#define LVDS_A0A2_CLKA_POWER_MASK       (3 << 8)
-#define LVDS_A0A2_CLKA_POWER_DOWN       (0 << 8)
-#define LVDS_A0A2_CLKA_POWER_UP         (3 << 8)
-/*
- * Controls the A3 data pair, which contains the additional LSBs for 24 bit
- * mode.  Only enabled if LVDS_A0A2_CLKA_POWER_UP also indicates it should be
- * on.
- */
-#define LVDS_A3_POWER_MASK              (3 << 6)
-#define LVDS_A3_POWER_DOWN              (0 << 6)
-#define LVDS_A3_POWER_UP                (3 << 6)
-/*
- * Controls the CLKB pair.  This should only be set when LVDS_B0B3_POWER_UP
- * is set.
- */
-#define LVDS_CLKB_POWER_MASK            (3 << 4)
-#define LVDS_CLKB_POWER_DOWN            (0 << 4)
-#define LVDS_CLKB_POWER_UP              (3 << 4)
-/*
- * Controls the B0-B3 data pairs.  This must be set to match the DPLL p2
- * setting for whether we are in dual-channel mode.  The B3 pair will
- * additionally only be powered up when LVDS_A3_POWER_UP is set.
- */
-#define LVDS_B0B3_POWER_MASK            (3 << 2)
-#define LVDS_B0B3_POWER_DOWN            (0 << 2)
-#define LVDS_B0B3_POWER_UP              (3 << 2)
-
-#define PIPEACONF               0x70008
-#define PIPEACONF_ENABLE                (1 << 31)
-#define PIPEACONF_DISABLE               0
-#define PIPEACONF_DOUBLE_WIDE           (1 << 30)
-#define PIPECONF_ACTIVE                 (1 << 30)
-#define I965_PIPECONF_ACTIVE            (1 << 30)
-#define PIPECONF_DSIPLL_LOCK            (1 << 29)
-#define PIPEACONF_SINGLE_WIDE           0
-#define PIPEACONF_PIPE_UNLOCKED         0
-#define PIPEACONF_DSR                   (1 << 26)
-#define PIPEACONF_PIPE_LOCKED           (1 << 25)
-#define PIPEACONF_PALETTE               0
-#define PIPECONF_FORCE_BORDER           (1 << 25)
-#define PIPEACONF_GAMMA                 (1 << 24)
-#define PIPECONF_PROGRESSIVE            (0 << 21)
-#define PIPECONF_INTERLACE_W_FIELD_INDICATION   (6 << 21)
-#define PIPECONF_INTERLACE_FIELD_0_ONLY         (7 << 21)
-#define PIPECONF_PLANE_OFF              (1 << 19)
-#define PIPECONF_CURSOR_OFF             (1 << 18)
-
-#define PIPEBCONF               0x71008
-#define PIPEBCONF_ENABLE                (1 << 31)
-#define PIPEBCONF_DISABLE               0
-#define PIPEBCONF_DOUBLE_WIDE           (1 << 30)
-#define PIPEBCONF_DISABLE               0
-#define PIPEBCONF_GAMMA                 (1 << 24)
-#define PIPEBCONF_PALETTE               0
-
-#define PIPECCONF               0x72008
-
-#define PIPEBGCMAXRED           0x71010
-#define PIPEBGCMAXGREEN         0x71014
-#define PIPEBGCMAXBLUE          0x71018
-
-#define PIPEASTAT               0x70024
-#define PIPEBSTAT               0x71024
-#define PIPECSTAT               0x72024
-#define PIPE_VBLANK_INTERRUPT_STATUS            (1UL << 1)
-#define PIPE_START_VBLANK_INTERRUPT_STATUS      (1UL << 2)
-#define PIPE_VBLANK_CLEAR                       (1 << 1)
-#define PIPE_VBLANK_STATUS                      (1 << 1)
-#define PIPE_TE_STATUS                          (1UL << 6)
-#define PIPE_DPST_EVENT_STATUS                  (1UL << 7)
-#define PIPE_VSYNC_CLEAR                        (1UL << 9)
-#define PIPE_VSYNC_STATUS                       (1UL << 9)
-#define PIPE_HDMI_AUDIO_UNDERRUN_STATUS         (1UL << 10)
-#define PIPE_HDMI_AUDIO_BUFFER_DONE_STATUS      (1UL << 11)
-#define PIPE_VBLANK_INTERRUPT_ENABLE            (1UL << 17)
-#define PIPE_START_VBLANK_INTERRUPT_ENABLE      (1UL << 18)
-#define PIPE_TE_ENABLE                          (1UL << 22)
-#define PIPE_DPST_EVENT_ENABLE                  (1UL << 23)
-#define PIPE_VSYNC_ENABL                        (1UL << 25)
-#define PIPE_HDMI_AUDIO_UNDERRUN                (1UL << 26)
-#define PIPE_HDMI_AUDIO_BUFFER_DONE             (1UL << 27)
-#define PIPE_HDMI_AUDIO_INT_MASK                (PIPE_HDMI_AUDIO_UNDERRUN | \
-                                                PIPE_HDMI_AUDIO_BUFFER_DONE)
-#define PIPE_EVENT_MASK ((1 << 29)|(1 << 28)|(1 << 27)|(1 << 26)|(1 << 24)|(1 << 23)|(1 << 22)|(1 << 21)|(1 << 20)|(1 << 16))
-#define PIPE_VBLANK_MASK ((1 << 25)|(1 << 24)|(1 << 18)|(1 << 17))
-#define HISTOGRAM_INT_CONTROL           0x61268
-#define HISTOGRAM_BIN_DATA              0X61264
-#define HISTOGRAM_LOGIC_CONTROL         0x61260
-#define PWM_CONTROL_LOGIC               0x61250
-#define PIPE_HOTPLUG_INTERRUPT_STATUS           (1UL << 10)
-#define HISTOGRAM_INTERRUPT_ENABLE              (1UL << 31)
-#define HISTOGRAM_LOGIC_ENABLE                  (1UL << 31)
-#define PWM_LOGIC_ENABLE                        (1UL << 31)
-#define PWM_PHASEIN_ENABLE                      (1UL << 25)
-#define PWM_PHASEIN_INT_ENABLE                  (1UL << 24)
-#define PWM_PHASEIN_VB_COUNT                    0x00001f00
-#define PWM_PHASEIN_INC                         0x0000001f
-#define HISTOGRAM_INT_CTRL_CLEAR                (1UL << 30)
-#define DPST_YUV_LUMA_MODE                      0
-
-struct dpst_ie_histogram_control {
-        union {
-                uint32_t data;
-                struct {
-                        uint32_t bin_reg_index:7;
-                        uint32_t reserved:4;
-                        uint32_t bin_reg_func_select:1;
-                        uint32_t sync_to_phase_in:1;
-                        uint32_t alt_enhancement_mode:2;
-                        uint32_t reserved1:1;
-                        uint32_t sync_to_phase_in_count:8;
-                        uint32_t histogram_mode_select:1;
-                        uint32_t reserved2:4;
-                        uint32_t ie_pipe_assignment:1;
-                        uint32_t ie_mode_table_enabled:1;
-                        uint32_t ie_histogram_enable:1;
-                };
-        };
-};
-
-struct dpst_guardband {
-        union {
-                uint32_t data;
-                struct {
-                        uint32_t guardband:22;
-                        uint32_t guardband_interrupt_delay:8;
-                        uint32_t interrupt_status:1;
-                        uint32_t interrupt_enable:1;
-                };
-        };
-};
-
-#define PIPEAFRAMEHIGH          0x70040
-#define PIPEAFRAMEPIXEL         0x70044
-#define PIPEBFRAMEHIGH          0x71040
-#define PIPEBFRAMEPIXEL         0x71044
-#define PIPECFRAMEHIGH          0x72040
-#define PIPECFRAMEPIXEL         0x72044
-#define PIPE_FRAME_HIGH_MASK    0x0000ffff
-#define PIPE_FRAME_HIGH_SHIFT   0
-#define PIPE_FRAME_LOW_MASK     0xff000000
-#define PIPE_FRAME_LOW_SHIFT    24
-#define PIPE_PIXEL_MASK         0x00ffffff
-#define PIPE_PIXEL_SHIFT        0
-
-#define DSPARB                  0x70030
-#define DSPFW1                  0x70034
-#define DSPFW2                  0x70038
-#define DSPFW3                  0x7003c
-#define DSPFW4                  0x70050
-#define DSPFW5                  0x70054
-#define DSPFW6                  0x70058
-#define DSPCHICKENBIT           0x70400
-#define DSPACNTR                0x70180
-#define DSPBCNTR                0x71180
-#define DSPCCNTR                0x72180
-#define DISPLAY_PLANE_ENABLE                    (1 << 31)
-#define DISPLAY_PLANE_DISABLE                   0
-#define DISPPLANE_GAMMA_ENABLE                  (1 << 30)
-#define DISPPLANE_GAMMA_DISABLE                 0
-#define DISPPLANE_PIXFORMAT_MASK                (0xf << 26)
-#define DISPPLANE_8BPP                          (0x2 << 26)
-#define DISPPLANE_15_16BPP                      (0x4 << 26)
-#define DISPPLANE_16BPP                         (0x5 << 26)
-#define DISPPLANE_32BPP_NO_ALPHA                (0x6 << 26)
-#define DISPPLANE_32BPP                         (0x7 << 26)
-#define DISPPLANE_STEREO_ENABLE                 (1 << 25)
-#define DISPPLANE_STEREO_DISABLE                0
-#define DISPPLANE_SEL_PIPE_MASK                 (1 << 24)
-#define DISPPLANE_SEL_PIPE_POS                  24
-#define DISPPLANE_SEL_PIPE_A                    0
-#define DISPPLANE_SEL_PIPE_B                    (1 << 24)
-#define DISPPLANE_SRC_KEY_ENABLE                (1 << 22)
-#define DISPPLANE_SRC_KEY_DISABLE               0
-#define DISPPLANE_LINE_DOUBLE                   (1 << 20)
-#define DISPPLANE_NO_LINE_DOUBLE                0
-#define DISPPLANE_STEREO_POLARITY_FIRST         0
-#define DISPPLANE_STEREO_POLARITY_SECOND        (1 << 18)
-/* plane B only */
-#define DISPPLANE_ALPHA_TRANS_ENABLE            (1 << 15)
-#define DISPPLANE_ALPHA_TRANS_DISABLE           0
-#define DISPPLANE_SPRITE_ABOVE_DISPLAYA         0
-#define DISPPLANE_SPRITE_ABOVE_OVERLAY          (1)
-#define DISPPLANE_BOTTOM                        (4)
-
-#define DSPABASE                0x70184
-#define DSPALINOFF              0x70184
-#define DSPASTRIDE              0x70188
-
-#define DSPBBASE                0x71184
-#define DSPBLINOFF              0X71184
-#define DSPBADDR                DSPBBASE
-#define DSPBSTRIDE              0x71188
-
-#define DSPCBASE                0x72184
-#define DSPCLINOFF              0x72184
-#define DSPCSTRIDE              0x72188
-
-#define DSPAKEYVAL              0x70194
-#define DSPAKEYMASK             0x70198
-
-#define DSPAPOS                 0x7018C /* reserved */
-#define DSPASIZE                0x70190
-#define DSPBPOS                 0x7118C
-#define DSPBSIZE                0x71190
-#define DSPCPOS                 0x7218C
-#define DSPCSIZE                0x72190
-
-#define DSPASURF                0x7019C
-#define DSPATILEOFF             0x701A4
-
-#define DSPBSURF                0x7119C
-#define DSPBTILEOFF             0x711A4
-
-#define DSPCSURF                0x7219C
-#define DSPCTILEOFF             0x721A4
-#define DSPCKEYMAXVAL           0x721A0
-#define DSPCKEYMINVAL           0x72194
-#define DSPCKEYMSK              0x72198
-
-#define VGACNTRL                0x71400
-#define VGA_DISP_DISABLE                (1 << 31)
-#define VGA_2X_MODE                     (1 << 30)
-#define VGA_PIPE_B_SELECT               (1 << 29)
-
-/*
- * Overlay registers
- */
-#define OV_C_OFFSET             0x08000
-#define OV_OVADD                0x30000
-#define OV_DOVASTA              0x30008
-# define OV_PIPE_SELECT                 ((1 << 6)|(1 << 7))
-# define OV_PIPE_SELECT_POS             6
-# define OV_PIPE_A                      0
-# define OV_PIPE_C                      1
-#define OV_OGAMC5               0x30010
-#define OV_OGAMC4               0x30014
-#define OV_OGAMC3               0x30018
-#define OV_OGAMC2               0x3001C
-#define OV_OGAMC1               0x30020
-#define OV_OGAMC0               0x30024
-#define OVC_OVADD               0x38000
-#define OVC_DOVCSTA             0x38008
-#define OVC_OGAMC5              0x38010
-#define OVC_OGAMC4              0x38014
-#define OVC_OGAMC3              0x38018
-#define OVC_OGAMC2              0x3801C
-#define OVC_OGAMC1              0x38020
-#define OVC_OGAMC0              0x38024
-
-/*
- * Some BIOS scratch area registers.  The 845 (and 830?) store the amount
- * of video memory available to the BIOS in SWF1.
- */
-#define SWF0                    0x71410
-#define SWF1                    0x71414
-#define SWF2                    0x71418
-#define SWF3                    0x7141c
-#define SWF4                    0x71420
-#define SWF5                    0x71424
-#define SWF6                    0x71428
-
-/*
- * 855 scratch registers.
- */
-#define SWF00                   0x70410
-#define SWF01                   0x70414
-#define SWF02                   0x70418
-#define SWF03                   0x7041c
-#define SWF04                   0x70420
-#define SWF05                   0x70424
-#define SWF06                   0x70428
-
-#define SWF10                   SWF0
-#define SWF11                   SWF1
-#define SWF12                   SWF2
-#define SWF13                   SWF3
-#define SWF14                   SWF4
-#define SWF15                   SWF5
-#define SWF16                   SWF6
-
-#define SWF30                   0x72414
-#define SWF31                   0x72418
-#define SWF32                   0x7241c
-
-
-/*
- * Palette registers
- */
-#define PALETTE_A               0x0a000
-#define PALETTE_B               0x0a800
-#define PALETTE_C               0x0ac00
-
-/* Cursor A & B regs */
-#define CURACNTR                0x70080
-#define CURSOR_MODE_DISABLE             0x00
-#define CURSOR_MODE_64_32B_AX           0x07
-#define CURSOR_MODE_64_ARGB_AX          ((1 << 5) | CURSOR_MODE_64_32B_AX)
-#define MCURSOR_GAMMA_ENABLE            (1 << 26)
-#define CURABASE                0x70084
-#define CURAPOS                 0x70088
-#define CURSOR_POS_MASK                 0x007FF
-#define CURSOR_POS_SIGN                 0x8000
-#define CURSOR_X_SHIFT                  0
-#define CURSOR_Y_SHIFT                  16
-#define CURBCNTR                0x700c0
-#define CURBBASE                0x700c4
-#define CURBPOS                 0x700c8
-#define CURCCNTR                0x700e0
-#define CURCBASE                0x700e4
-#define CURCPOS                 0x700e8
-
-/*
- * Interrupt Registers
- */
-#define IER                     0x020a0
-#define IIR                     0x020a4
-#define IMR                     0x020a8
-#define ISR                     0x020ac
-
-/*
- * MOORESTOWN delta registers
- */
-#define MRST_DPLL_A             0x0f014
-#define MDFLD_DPLL_B            0x0f018
-#define MDFLD_INPUT_REF_SEL             (1 << 14)
-#define MDFLD_VCO_SEL                   (1 << 16)
-#define DPLLA_MODE_LVDS                 (2 << 26)       /* mrst */
-#define MDFLD_PLL_LATCHEN               (1 << 28)
-#define MDFLD_PWR_GATE_EN               (1 << 30)
-#define MDFLD_P1_MASK                   (0x1FF << 17)
-#define MRST_FPA0               0x0f040
-#define MRST_FPA1               0x0f044
-#define MDFLD_DPLL_DIV0         0x0f048
-#define MDFLD_DPLL_DIV1         0x0f04c
-#define MRST_PERF_MODE          0x020f4
-
-/*
- * MEDFIELD HDMI registers
- */
-#define HDMIPHYMISCCTL          0x61134
-#define HDMI_PHY_POWER_DOWN             0x7f
-#define HDMIB_CONTROL           0x61140
-#define HDMIB_PORT_EN                   (1 << 31)
-#define HDMIB_PIPE_B_SELECT             (1 << 30)
-#define HDMIB_NULL_PACKET               (1 << 9)
-#define HDMIB_HDCP_PORT                 (1 << 5)
-
-/* #define LVDS                 0x61180 */
-#define MRST_PANEL_8TO6_DITHER_ENABLE   (1 << 25)
-#define MRST_PANEL_24_DOT_1_FORMAT      (1 << 24)
-#define LVDS_A3_POWER_UP_0_OUTPUT       (1 << 6)
-
-#define MIPI                    0x61190
-#define MIPI_C                  0x62190
-#define MIPI_PORT_EN                    (1 << 31)
-/* Turns on border drawing to allow centered display. */
-#define SEL_FLOPPED_HSTX                (1 << 23)
-#define PASS_FROM_SPHY_TO_AFE           (1 << 16)
-#define MIPI_BORDER_EN                  (1 << 15)
-#define MIPIA_3LANE_MIPIC_1LANE         0x1
-#define MIPIA_2LANE_MIPIC_2LANE         0x2
-#define TE_TRIGGER_DSI_PROTOCOL         (1 << 2)
-#define TE_TRIGGER_GPIO_PIN             (1 << 3)
-#define MIPI_TE_COUNT           0x61194
-
-/* #define PP_CONTROL   0x61204 */
-#define POWER_DOWN_ON_RESET             (1 << 1)
-
-/* #define PFIT_CONTROL 0x61230 */
-#define PFIT_PIPE_SELECT                (3 << 29)
-#define PFIT_PIPE_SELECT_SHIFT          (29)
-
-/* #define BLC_PWM_CTL          0x61254 */
-#define MRST_BACKLIGHT_MODULATION_FREQ_SHIFT    (16)
-#define MRST_BACKLIGHT_MODULATION_FREQ_MASK     (0xffff << 16)
-
-/* #define PIPEACONF 0x70008 */
-#define PIPEACONF_PIPE_STATE            (1 << 30)
-/* #define DSPACNTR             0x70180 */
-
-#define MRST_DSPABASE           0x7019c
-#define MRST_DSPBBASE           0x7119c
-#define MDFLD_DSPCBASE          0x7219c
-
-/*
- * Moorestown registers.
- */
-
-/*
- *      MIPI IP registers
- */
-#define MIPIC_REG_OFFSET                0x800
-
-#define DEVICE_READY_REG                0xb000
-#define LP_OUTPUT_HOLD                          (1 << 16)
-#define EXIT_ULPS_DEV_READY                     0x3
-#define LP_OUTPUT_HOLD_RELEASE                  0x810000
-# define ENTERING_ULPS                          (2 << 1)
-# define EXITING_ULPS                           (1 << 1)
-# define ULPS_MASK                              (3 << 1)
-# define BUS_POSSESSION                         (1 << 3)
-#define INTR_STAT_REG                   0xb004
-#define RX_SOT_ERROR                            (1 << 0)
-#define RX_SOT_SYNC_ERROR                       (1 << 1)
-#define RX_ESCAPE_MODE_ENTRY_ERROR              (1 << 3)
-#define RX_LP_TX_SYNC_ERROR                     (1 << 4)
-#define RX_HS_RECEIVE_TIMEOUT_ERROR             (1 << 5)
-#define RX_FALSE_CONTROL_ERROR                  (1 << 6)
-#define RX_ECC_SINGLE_BIT_ERROR                 (1 << 7)
-#define RX_ECC_MULTI_BIT_ERROR                  (1 << 8)
-#define RX_CHECKSUM_ERROR                       (1 << 9)
-#define RX_DSI_DATA_TYPE_NOT_RECOGNIZED         (1 << 10)
-#define RX_DSI_VC_ID_INVALID                    (1 << 11)
-#define TX_FALSE_CONTROL_ERROR                  (1 << 12)
-#define TX_ECC_SINGLE_BIT_ERROR                 (1 << 13)
-#define TX_ECC_MULTI_BIT_ERROR                  (1 << 14)
-#define TX_CHECKSUM_ERROR                       (1 << 15)
-#define TX_DSI_DATA_TYPE_NOT_RECOGNIZED         (1 << 16)
-#define TX_DSI_VC_ID_INVALID                    (1 << 17)
-#define HIGH_CONTENTION                         (1 << 18)
-#define LOW_CONTENTION                          (1 << 19)
-#define DPI_FIFO_UNDER_RUN                      (1 << 20)
-#define HS_TX_TIMEOUT                           (1 << 21)
-#define LP_RX_TIMEOUT                           (1 << 22)
-#define TURN_AROUND_ACK_TIMEOUT                 (1 << 23)
-#define ACK_WITH_NO_ERROR                       (1 << 24)
-#define HS_GENERIC_WR_FIFO_FULL                 (1 << 27)
-#define LP_GENERIC_WR_FIFO_FULL                 (1 << 28)
-#define SPL_PKT_SENT                            (1 << 30)
-#define INTR_EN_REG                     0xb008
-#define DSI_FUNC_PRG_REG                0xb00c
-#define DPI_CHANNEL_NUMBER_POS                  0x03
-#define DBI_CHANNEL_NUMBER_POS                  0x05
-#define FMT_DPI_POS                             0x07
-#define FMT_DBI_POS                             0x0A
-#define DBI_DATA_WIDTH_POS                      0x0D
-
-/* DPI PIXEL FORMATS */
-#define RGB_565_FMT                             0x01    /* RGB 565 FORMAT */
-#define RGB_666_FMT                             0x02    /* RGB 666 FORMAT */
-#define LRGB_666_FMT                            0x03    /* RGB LOOSELY PACKED
-                                                         * 666 FORMAT
-                                                         */
-#define RGB_888_FMT                             0x04    /* RGB 888 FORMAT */
-#define VIRTUAL_CHANNEL_NUMBER_0                0x00    /* Virtual channel 0 */
-#define VIRTUAL_CHANNEL_NUMBER_1                0x01    /* Virtual channel 1 */
-#define VIRTUAL_CHANNEL_NUMBER_2                0x02    /* Virtual channel 2 */
-#define VIRTUAL_CHANNEL_NUMBER_3                0x03    /* Virtual channel 3 */
-
-#define DBI_NOT_SUPPORTED                       0x00    /* command mode
-                                                         * is not supported
-                                                         */
-#define DBI_DATA_WIDTH_16BIT                    0x01    /* 16 bit data */
-#define DBI_DATA_WIDTH_9BIT                     0x02    /* 9 bit data */
-#define DBI_DATA_WIDTH_8BIT                     0x03    /* 8 bit data */
-#define DBI_DATA_WIDTH_OPT1                     0x04    /* option 1 */
-#define DBI_DATA_WIDTH_OPT2                     0x05    /* option 2 */
-
-#define HS_TX_TIMEOUT_REG               0xb010
-#define LP_RX_TIMEOUT_REG               0xb014
-#define TURN_AROUND_TIMEOUT_REG         0xb018
-#define DEVICE_RESET_REG                0xb01C
-#define DPI_RESOLUTION_REG              0xb020
-#define RES_V_POS                               0x10
-#define DBI_RESOLUTION_REG              0xb024 /* Reserved for MDFLD */
-#define HORIZ_SYNC_PAD_COUNT_REG        0xb028
-#define HORIZ_BACK_PORCH_COUNT_REG      0xb02C
-#define HORIZ_FRONT_PORCH_COUNT_REG     0xb030
-#define HORIZ_ACTIVE_AREA_COUNT_REG     0xb034
-#define VERT_SYNC_PAD_COUNT_REG         0xb038
-#define VERT_BACK_PORCH_COUNT_REG       0xb03c
-#define VERT_FRONT_PORCH_COUNT_REG      0xb040
-#define HIGH_LOW_SWITCH_COUNT_REG       0xb044
-#define DPI_CONTROL_REG                 0xb048
-#define DPI_SHUT_DOWN                           (1 << 0)
-#define DPI_TURN_ON                             (1 << 1)
-#define DPI_COLOR_MODE_ON                       (1 << 2)
-#define DPI_COLOR_MODE_OFF                      (1 << 3)
-#define DPI_BACK_LIGHT_ON                       (1 << 4)
-#define DPI_BACK_LIGHT_OFF                      (1 << 5)
-#define DPI_LP                                  (1 << 6)
-#define DPI_DATA_REG                    0xb04c
-#define DPI_BACK_LIGHT_ON_DATA                  0x07
-#define DPI_BACK_LIGHT_OFF_DATA                 0x17
-#define INIT_COUNT_REG                  0xb050
-#define MAX_RET_PAK_REG                 0xb054
-#define VIDEO_FMT_REG                   0xb058
-#define COMPLETE_LAST_PCKT                      (1 << 2)
-#define EOT_DISABLE_REG                 0xb05c
-#define ENABLE_CLOCK_STOPPING                   (1 << 1)
-#define LP_BYTECLK_REG                  0xb060
-#define LP_GEN_DATA_REG                 0xb064
-#define HS_GEN_DATA_REG                 0xb068
-#define LP_GEN_CTRL_REG                 0xb06C
-#define HS_GEN_CTRL_REG                 0xb070
-#define DCS_CHANNEL_NUMBER_POS          0x6
-#define MCS_COMMANDS_POS                0x8
-#define WORD_COUNTS_POS                 0x8
-#define MCS_PARAMETER_POS                       0x10
-#define GEN_FIFO_STAT_REG               0xb074
-#define HS_DATA_FIFO_FULL                       (1 << 0)
-#define HS_DATA_FIFO_HALF_EMPTY                 (1 << 1)
-#define HS_DATA_FIFO_EMPTY                      (1 << 2)
-#define LP_DATA_FIFO_FULL                       (1 << 8)
-#define LP_DATA_FIFO_HALF_EMPTY                 (1 << 9)
-#define LP_DATA_FIFO_EMPTY                      (1 << 10)
-#define HS_CTRL_FIFO_FULL                       (1 << 16)
-#define HS_CTRL_FIFO_HALF_EMPTY                 (1 << 17)
-#define HS_CTRL_FIFO_EMPTY                      (1 << 18)
-#define LP_CTRL_FIFO_FULL                       (1 << 24)
-#define LP_CTRL_FIFO_HALF_EMPTY                 (1 << 25)
-#define LP_CTRL_FIFO_EMPTY                      (1 << 26)
-#define DBI_FIFO_EMPTY                          (1 << 27)
-#define DPI_FIFO_EMPTY                          (1 << 28)
-#define HS_LS_DBI_ENABLE_REG            0xb078
-#define TXCLKESC_REG                    0xb07c
-#define DPHY_PARAM_REG                  0xb080
-#define DBI_BW_CTRL_REG                 0xb084
-#define CLK_LANE_SWT_REG                0xb088
-
-/*
- * MIPI Adapter registers
- */
-#define MIPI_CONTROL_REG                0xb104
-#define MIPI_2X_CLOCK_BITS                      ((1 << 0) | (1 << 1))
-#define MIPI_DATA_ADDRESS_REG           0xb108
-#define MIPI_DATA_LENGTH_REG            0xb10C
-#define MIPI_COMMAND_ADDRESS_REG        0xb110
-#define MIPI_COMMAND_LENGTH_REG         0xb114
-#define MIPI_READ_DATA_RETURN_REG0      0xb118
-#define MIPI_READ_DATA_RETURN_REG1      0xb11C
-#define MIPI_READ_DATA_RETURN_REG2      0xb120
-#define MIPI_READ_DATA_RETURN_REG3      0xb124
-#define MIPI_READ_DATA_RETURN_REG4      0xb128
-#define MIPI_READ_DATA_RETURN_REG5      0xb12C
-#define MIPI_READ_DATA_RETURN_REG6      0xb130
-#define MIPI_READ_DATA_RETURN_REG7      0xb134
-#define MIPI_READ_DATA_VALID_REG        0xb138
-
-/* DBI COMMANDS */
-#define soft_reset                      0x01
-/*
- *      The display module performs a software reset.
- *      Registers are written with their SW Reset default values.
- */
-#define get_power_mode                  0x0a
-/*
- *      The display module returns the current power mode
- */
-#define get_address_mode                0x0b
-/*
- *      The display module returns the current status.
- */
-#define get_pixel_format                0x0c
-/*
- *      This command gets the pixel format for the RGB image data
- *      used by the interface.
- */
-#define get_display_mode                0x0d
-/*
- *      The display module returns the Display Image Mode status.
- */
-#define get_signal_mode                 0x0e
-/*
- *      The display module returns the Display Signal Mode.
- */
-#define get_diagnostic_result           0x0f
-/*
- *      The display module returns the self-diagnostic results following
- *      a Sleep Out command.
- */
-#define enter_sleep_mode                0x10
-/*
- *      This command causes the display module to enter the Sleep mode.
- *      In this mode, all unnecessary blocks inside the display module are
- *      disabled except interface communication. This is the lowest power
- *      mode the display module supports.
- */
-#define exit_sleep_mode                 0x11
-/*
- *      This command causes the display module to exit Sleep mode.
- *      All blocks inside the display module are enabled.
- */
-#define enter_partial_mode              0x12
-/*
- *      This command causes the display module to enter the Partial Display
- *      Mode. The Partial Display Mode window is described by the
- *      set_partial_area command.
- */
-#define enter_normal_mode               0x13
-/*
- *      This command causes the display module to enter the Normal mode.
- *      Normal Mode is defined as Partial Display mode and Scroll mode are off
- */
-#define exit_invert_mode                0x20
-/*
- *      This command causes the display module to stop inverting the image
- *      data on the display device. The frame memory contents remain unchanged.
- *      No status bits are changed.
- */
-#define enter_invert_mode               0x21
-/*
- *      This command causes the display module to invert the image data only on
- *      the display device. The frame memory contents remain unchanged.
- *      No status bits are changed.
- */
-#define set_gamma_curve                 0x26
-/*
- *      This command selects the desired gamma curve for the display device.
- *      Four fixed gamma curves are defined in section DCS spec.
- */
-#define set_display_off                 0x28
-/* ************************************************************************* *\
-This command causes the display module to stop displaying the image data
-on the display device. The frame memory contents remain unchanged.
-No status bits are changed.
-\* ************************************************************************* */
-#define set_display_on                  0x29
-/* ************************************************************************* *\
-This command causes the display module to start displaying the image data
-on the display device. The frame memory contents remain unchanged.
-No status bits are changed.
-\* ************************************************************************* */
-#define set_column_address              0x2a
-/*
- *      This command defines the column extent of the frame memory accessed by
- *      the hostprocessor with the read_memory_continue and
- *      write_memory_continue commands.
- *      No status bits are changed.
- */
-#define set_page_addr                   0x2b
-/*
- *      This command defines the page extent of the frame memory accessed by
- *      the host processor with the write_memory_continue and
- *      read_memory_continue command.
- *      No status bits are changed.
- */
-#define write_mem_start                 0x2c
-/*
- *      This command transfers image data from the host processor to the
- *      display modules frame memory starting at the pixel location specified
- *      by preceding set_column_address and set_page_address commands.
- */
-#define set_partial_area                0x30
-/*
- *      This command defines the Partial Display mode s display area.
- *      There are two parameters associated with this command, the first
- *      defines the Start Row (SR) and the second the End Row (ER). SR and ER
- *      refer to the Frame Memory Line Pointer.
- */
-#define set_scroll_area                 0x33
-/*
- *      This command defines the display modules Vertical Scrolling Area.
- */
-#define set_tear_off                    0x34
-/*
- *      This command turns off the display modules Tearing Effect output
- *      signal on the TE signal line.
- */
-#define set_tear_on                     0x35
-/*
- *      This command turns on the display modules Tearing Effect output signal
- *      on the TE signal line.
- */
-#define set_address_mode                0x36
-/*
- *      This command sets the data order for transfers from the host processor
- *      to display modules frame memory,bits B[7:5] and B3, and from the
- *      display modules frame memory to the display device, bits B[2:0] and B4.
- */
-#define set_scroll_start                0x37
-/*
- *      This command sets the start of the vertical scrolling area in the frame
- *      memory. The vertical scrolling area is fully defined when this command
- *      is used with the set_scroll_area command The set_scroll_start command
- *      has one parameter, the Vertical Scroll Pointer. The VSP defines the
- *      line in the frame memory that is written to the display device as the
- *      first line of the vertical scroll area.
- */
-#define exit_idle_mode                  0x38
-/*
- *      This command causes the display module to exit Idle mode.
- */
-#define enter_idle_mode                 0x39
-/*
- *      This command causes the display module to enter Idle Mode.
- *      In Idle Mode, color expression is reduced. Colors are shown on the
- *      display device using the MSB of each of the R, G and B color
- *      components in the frame memory
- */
-#define set_pixel_format                0x3a
-/*
- *      This command sets the pixel format for the RGB image data used by the
- *      interface.
- *      Bits D[6:4]  DPI Pixel Format Definition
- *      Bits D[2:0]  DBI Pixel Format Definition
- *      Bits D7 and D3 are not used.
- */
-#define DCS_PIXEL_FORMAT_3bpp           0x1
-#define DCS_PIXEL_FORMAT_8bpp           0x2
-#define DCS_PIXEL_FORMAT_12bpp          0x3
-#define DCS_PIXEL_FORMAT_16bpp          0x5
-#define DCS_PIXEL_FORMAT_18bpp          0x6
-#define DCS_PIXEL_FORMAT_24bpp          0x7
-
-#define write_mem_cont                  0x3c
-
-/*
- *      This command transfers image data from the host processor to the
- *      display module's frame memory continuing from the pixel location
- *      following the previous write_memory_continue or write_memory_start
- *      command.
- */
-#define set_tear_scanline               0x44
-/*
- *      This command turns on the display modules Tearing Effect output signal
- *      on the TE signal line when the display module reaches line N.
- */
-#define get_scanline                    0x45
-/*
- *      The display module returns the current scanline, N, used to update the
- *       display device. The total number of scanlines on a display device is
- *      defined as VSYNC + VBP + VACT + VFP.The first scanline is defined as
- *      the first line of V Sync and is denoted as Line 0.
- *      When in Sleep Mode, the value returned by get_scanline is undefined.
- */
-
-/* MCS or Generic COMMANDS */
-/* MCS/generic data type */
-#define GEN_SHORT_WRITE_0       0x03  /* generic short write, no parameters */
-#define GEN_SHORT_WRITE_1       0x13  /* generic short write, 1 parameters */
-#define GEN_SHORT_WRITE_2       0x23  /* generic short write, 2 parameters */
-#define GEN_READ_0              0x04  /* generic read, no parameters */
-#define GEN_READ_1              0x14  /* generic read, 1 parameters */
-#define GEN_READ_2              0x24  /* generic read, 2 parameters */
-#define GEN_LONG_WRITE          0x29  /* generic long write */
-#define MCS_SHORT_WRITE_0       0x05  /* MCS short write, no parameters */
-#define MCS_SHORT_WRITE_1       0x15  /* MCS short write, 1 parameters */
-#define MCS_READ                0x06  /* MCS read, no parameters */
-#define MCS_LONG_WRITE          0x39  /* MCS long write */
-/* MCS/generic commands */
-/* TPO MCS */
-#define write_display_profile           0x50
-#define write_display_brightness        0x51
-#define write_ctrl_display              0x53
-#define write_ctrl_cabc                 0x55
-  #define UI_IMAGE              0x01
-  #define STILL_IMAGE           0x02
-  #define MOVING_IMAGE          0x03
-#define write_hysteresis                0x57
-#define write_gamma_setting             0x58
-#define write_cabc_min_bright           0x5e
-#define write_kbbc_profile              0x60
-/* TMD MCS */
-#define tmd_write_display_brightness 0x8c
-
-/*
- *      This command is used to control ambient light, panel backlight
- *      brightness and gamma settings.
- */
-#define BRIGHT_CNTL_BLOCK_ON    (1 << 5)
-#define AMBIENT_LIGHT_SENSE_ON  (1 << 4)
-#define DISPLAY_DIMMING_ON      (1 << 3)
-#define BACKLIGHT_ON            (1 << 2)
-#define DISPLAY_BRIGHTNESS_AUTO (1 << 1)
-#define GAMMA_AUTO              (1 << 0)
-
-/* DCS Interface Pixel Formats */
-#define DCS_PIXEL_FORMAT_3BPP   0x1
-#define DCS_PIXEL_FORMAT_8BPP   0x2
-#define DCS_PIXEL_FORMAT_12BPP  0x3
-#define DCS_PIXEL_FORMAT_16BPP  0x5
-#define DCS_PIXEL_FORMAT_18BPP  0x6
-#define DCS_PIXEL_FORMAT_24BPP  0x7
-/* ONE PARAMETER READ DATA */
-#define addr_mode_data          0xfc
-#define diag_res_data           0x00
-#define disp_mode_data          0x23
-#define pxl_fmt_data            0x77
-#define pwr_mode_data           0x74
-#define sig_mode_data           0x00
-/* TWO PARAMETERS READ DATA */
-#define scanline_data1          0xff
-#define scanline_data2          0xff
-#define NON_BURST_MODE_SYNC_PULSE       0x01    /* Non Burst Mode
-                                                 * with Sync Pulse
-                                                 */
-#define NON_BURST_MODE_SYNC_EVENTS      0x02    /* Non Burst Mode
-                                                 * with Sync events
-                                                 */
-#define BURST_MODE                      0x03    /* Burst Mode */
-#define DBI_COMMAND_BUFFER_SIZE         0x240   /* 0x32 */    /* 0x120 */
-                                                /* Allocate at least
-                                                 * 0x100 Byte with 32
-                                                 * byte alignment
-                                                 */
-#define DBI_DATA_BUFFER_SIZE            0x120   /* Allocate at least
-                                                 * 0x100 Byte with 32
-                                                 * byte alignment
-                                                 */
-#define DBI_CB_TIME_OUT                 0xFFFF
-
-#define GEN_FB_TIME_OUT                 2000
-
-#define SKU_83                          0x01
-#define SKU_100                         0x02
-#define SKU_100L                        0x04
-#define SKU_BYPASS                      0x08
-
-/* Some handy macros for playing with bitfields. */
-#define PSB_MASK(high, low) (((1<<((high)-(low)+1))-1)<<(low))
-#define SET_FIELD(value, field) (((value) << field ## _SHIFT) & field ## _MASK)
-#define GET_FIELD(word, field) (((word)  & field ## _MASK) >> field ## _SHIFT)
-
-#define _PIPE(pipe, a, b) ((a) + (pipe)*((b)-(a)))
-
-/* PCI config space */
-
-#define SB_PCKT         0x02100 /* cedarview */
-# define SB_OPCODE_MASK                         PSB_MASK(31, 16)
-# define SB_OPCODE_SHIFT                        16
-# define SB_OPCODE_READ                         0
-# define SB_OPCODE_WRITE                        1
-# define SB_DEST_MASK                           PSB_MASK(15, 8)
-# define SB_DEST_SHIFT                          8
-# define SB_DEST_DPLL                           0x88
-# define SB_BYTE_ENABLE_MASK                    PSB_MASK(7, 4)
-# define SB_BYTE_ENABLE_SHIFT                   4
-# define SB_BUSY                                (1 << 0)
-
-
-/* 32-bit value read/written from the DPIO reg. */
-#define SB_DATA         0x02104 /* cedarview */
-/* 32-bit address of the DPIO reg to be read/written. */
-#define SB_ADDR         0x02108 /* cedarview */
-#define DPIO_CFG        0x02110 /* cedarview */
-# define DPIO_MODE_SELECT_1                     (1 << 3)
-# define DPIO_MODE_SELECT_0                     (1 << 2)
-# define DPIO_SFR_BYPASS                        (1 << 1)
-/* reset is active low */
-# define DPIO_CMN_RESET_N                       (1 << 0)
-
-/* Cedarview sideband registers */
-#define _SB_M_A                 0x8008
-#define _SB_M_B                 0x8028
-#define SB_M(pipe) _PIPE(pipe, _SB_M_A, _SB_M_B)
-# define SB_M_DIVIDER_MASK                      (0xFF << 24)
-# define SB_M_DIVIDER_SHIFT                     24
-
-#define _SB_N_VCO_A             0x8014
-#define _SB_N_VCO_B             0x8034
-#define SB_N_VCO(pipe) _PIPE(pipe, _SB_N_VCO_A, _SB_N_VCO_B)
-#define SB_N_VCO_SEL_MASK                       PSB_MASK(31, 30)
-#define SB_N_VCO_SEL_SHIFT                      30
-#define SB_N_DIVIDER_MASK                       PSB_MASK(29, 26)
-#define SB_N_DIVIDER_SHIFT                      26
-#define SB_N_CB_TUNE_MASK                       PSB_MASK(25, 24)
-#define SB_N_CB_TUNE_SHIFT                      24
-
-#define _SB_REF_A               0x8018
-#define _SB_REF_B               0x8038
-#define SB_REF_SFR(pipe)        _PIPE(pipe, _SB_REF_A, _SB_REF_B)
-
-#define _SB_P_A                 0x801c
-#define _SB_P_B                 0x803c
-#define SB_P(pipe) _PIPE(pipe, _SB_P_A, _SB_P_B)
-#define SB_P2_DIVIDER_MASK                      PSB_MASK(31, 30)
-#define SB_P2_DIVIDER_SHIFT                     30
-#define SB_P2_10                                0 /* HDMI, DP, DAC */
-#define SB_P2_5                         1 /* DAC */
-#define SB_P2_14                                2 /* LVDS single */
-#define SB_P2_7                         3 /* LVDS double */
-#define SB_P1_DIVIDER_MASK                      PSB_MASK(15, 12)
-#define SB_P1_DIVIDER_SHIFT                     12
-
-#define PSB_LANE0               0x120
-#define PSB_LANE1               0x220
-#define PSB_LANE2               0x2320
-#define PSB_LANE3               0x2420
-
-#define LANE_PLL_MASK           (0x7 << 20)
-#define LANE_PLL_ENABLE         (0x3 << 20)
-
-
-#endif
diff --git a/drivers/staging/gma500/psb_intel_sdvo.c b/drivers/staging/gma500/psb_intel_sdvo.c
deleted file mode 100644
index a4bad1af4b7c..000000000000
--- a/drivers/staging/gma500/psb_intel_sdvo.c
+++ /dev/null
@@ -1,1293 +0,0 @@
-/*
- * Copyright (c) 2006-2007 Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- */
-
-#include <linux/i2c.h>
-#include <linux/delay.h>
-/* #include <drm/drm_crtc.h> */
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_intel_drv.h"
-#include "psb_intel_reg.h"
-#include "psb_intel_sdvo_regs.h"
-
-struct psb_intel_sdvo_priv {
-        struct psb_intel_i2c_chan *i2c_bus;
-        int slaveaddr;
-        int output_device;
-
-        u16 active_outputs;
-
-        struct psb_intel_sdvo_caps caps;
-        int pixel_clock_min, pixel_clock_max;
-
-        int save_sdvo_mult;
-        u16 save_active_outputs;
-        struct psb_intel_sdvo_dtd save_input_dtd_1, save_input_dtd_2;
-        struct psb_intel_sdvo_dtd save_output_dtd[16];
-        u32 save_SDVOX;
-        u8 in_out_map[4];
-
-        u8 by_input_wiring;
-        u32 active_device;
-};
-
-/**
- * Writes the SDVOB or SDVOC with the given value, but always writes both
- * SDVOB and SDVOC to work around apparent hardware issues (according to
- * comments in the BIOS).
- */
-void psb_intel_sdvo_write_sdvox(struct psb_intel_output *psb_intel_output,
-                                u32 val)
-{
-        struct drm_device *dev = psb_intel_output->base.dev;
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        u32 bval = val, cval = val;
-        int i;
-
-        if (sdvo_priv->output_device == SDVOB)
-                cval = REG_READ(SDVOC);
-        else
-                bval = REG_READ(SDVOB);
-        /*
-         * Write the registers twice for luck. Sometimes,
-         * writing them only once doesn't appear to 'stick'.
-         * The BIOS does this too. Yay, magic
-         */
-        for (i = 0; i < 2; i++) {
-                REG_WRITE(SDVOB, bval);
-                REG_READ(SDVOB);
-                REG_WRITE(SDVOC, cval);
-                REG_READ(SDVOC);
-        }
-}
-
-static bool psb_intel_sdvo_read_byte(
-                                struct psb_intel_output *psb_intel_output,
-                                u8 addr, u8 *ch)
-{
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        u8 out_buf[2];
-        u8 buf[2];
-        int ret;
-
-        struct i2c_msg msgs[] = {
-                {
-                 .addr = sdvo_priv->i2c_bus->slave_addr,
-                 .flags = 0,
-                 .len = 1,
-                 .buf = out_buf,
-                 },
-                {
-                 .addr = sdvo_priv->i2c_bus->slave_addr,
-                 .flags = I2C_M_RD,
-                 .len = 1,
-                 .buf = buf,
-                 }
-        };
-
-        out_buf[0] = addr;
-        out_buf[1] = 0;
-
-        ret = i2c_transfer(&sdvo_priv->i2c_bus->adapter, msgs, 2);
-        if (ret == 2) {
-                *ch = buf[0];
-                return true;
-        }
-
-        return false;
-}
-
-static bool psb_intel_sdvo_write_byte(
-                        struct psb_intel_output *psb_intel_output,
-                        int addr, u8 ch)
-{
-        u8 out_buf[2];
-        struct i2c_msg msgs[] = {
-                {
-                 .addr = psb_intel_output->i2c_bus->slave_addr,
-                 .flags = 0,
-                 .len = 2,
-                 .buf = out_buf,
-                 }
-        };
-
-        out_buf[0] = addr;
-        out_buf[1] = ch;
-
-        if (i2c_transfer(&psb_intel_output->i2c_bus->adapter, msgs, 1) == 1)
-                return true;
-        return false;
-}
-
-#define SDVO_CMD_NAME_ENTRY(cmd) {cmd, #cmd}
-/** Mapping of command numbers to names, for debug output */
-static const struct _sdvo_cmd_name {
-        u8 cmd;
-        char *name;
-} sdvo_cmd_names[] = {
-SDVO_CMD_NAME_ENTRY(SDVO_CMD_RESET),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_DEVICE_CAPS),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_FIRMWARE_REV),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TRAINED_INPUTS),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_OUTPUTS),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_OUTPUTS),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_IN_OUT_MAP),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_IN_OUT_MAP),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ATTACHED_DISPLAYS),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_HOT_PLUG_SUPPORT),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_ACTIVE_HOT_PLUG),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_ACTIVE_HOT_PLUG),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_INPUT),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TARGET_OUTPUT),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART1),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_INPUT_TIMINGS_PART2),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART2),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_INPUT_TIMINGS_PART1),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART1),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_OUTPUT_TIMINGS_PART2),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART1),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_OUTPUT_TIMINGS_PART2),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_CLOCK_RATE_MULT),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CLOCK_RATE_MULT),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_SUPPORTED_TV_FORMATS),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_GET_TV_FORMAT),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_TV_FORMAT),
-            SDVO_CMD_NAME_ENTRY
-            (SDVO_CMD_SET_TV_RESOLUTION_SUPPORT),
-            SDVO_CMD_NAME_ENTRY(SDVO_CMD_SET_CONTROL_BUS_SWITCH),};
-
-#define SDVO_NAME(dev_priv) \
-                 ((dev_priv)->output_device == SDVOB ? "SDVOB" : "SDVOC")
-#define SDVO_PRIV(output)   ((struct psb_intel_sdvo_priv *) (output)->dev_priv)
-
-static void psb_intel_sdvo_write_cmd(struct psb_intel_output *psb_intel_output,
-                                     u8 cmd,
-                                     void *args,
-                                     int args_len)
-{
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        int i;
-
-        if (0) {
-                printk(KERN_DEBUG "%s: W: %02X ", SDVO_NAME(sdvo_priv), cmd);
-                for (i = 0; i < args_len; i++)
-                        printk(KERN_CONT "%02X ", ((u8 *) args)[i]);
-                for (; i < 8; i++)
-                        printk(KERN_CONT "   ");
-                for (i = 0;
-                     i <
-                     sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]);
-                     i++) {
-                        if (cmd == sdvo_cmd_names[i].cmd) {
-                                printk(KERN_CONT
-                                        "(%s)", sdvo_cmd_names[i].name);
-                                break;
-                        }
-                }
-                if (i ==
-                    sizeof(sdvo_cmd_names) / sizeof(sdvo_cmd_names[0]))
-                        printk(KERN_CONT "(%02X)", cmd);
-                printk(KERN_CONT "\n");
-        }
-
-        for (i = 0; i < args_len; i++) {
-                psb_intel_sdvo_write_byte(psb_intel_output,
-                                        SDVO_I2C_ARG_0 - i,
-                                        ((u8 *) args)[i]);
-        }
-
-        psb_intel_sdvo_write_byte(psb_intel_output, SDVO_I2C_OPCODE, cmd);
-}
-
-static const char *const cmd_status_names[] = {
-        "Power on",
-        "Success",
-        "Not supported",
-        "Invalid arg",
-        "Pending",
-        "Target not specified",
-        "Scaling not supported"
-};
-
-static u8 psb_intel_sdvo_read_response(
-                                struct psb_intel_output *psb_intel_output,
-                                void *response, int response_len)
-{
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        int i;
-        u8 status;
-        u8 retry = 50;
-
-        while (retry--) {
-                /* Read the command response */
-                for (i = 0; i < response_len; i++) {
-                        psb_intel_sdvo_read_byte(psb_intel_output,
-                                             SDVO_I2C_RETURN_0 + i,
-                                             &((u8 *) response)[i]);
-                }
-
-                /* read the return status */
-                psb_intel_sdvo_read_byte(psb_intel_output,
-                                         SDVO_I2C_CMD_STATUS,
-                                         &status);
-
-                if (0) {
-                        pr_debug("%s: R: ", SDVO_NAME(sdvo_priv));
-                        for (i = 0; i < response_len; i++)
-                                printk(KERN_CONT "%02X ", ((u8 *) response)[i]);
-                        for (; i < 8; i++)
-                                printk("   ");
-                        if (status <= SDVO_CMD_STATUS_SCALING_NOT_SUPP)
-                                printk(KERN_CONT "(%s)",
-                                         cmd_status_names[status]);
-                        else
-                                printk(KERN_CONT "(??? %d)", status);
-                        printk(KERN_CONT "\n");
-                }
-
-                if (status != SDVO_CMD_STATUS_PENDING)
-                        return status;
-
-                mdelay(50);
-        }
-
-        return status;
-}
-
-int psb_intel_sdvo_get_pixel_multiplier(struct drm_display_mode *mode)
-{
-        if (mode->clock >= 100000)
-                return 1;
-        else if (mode->clock >= 50000)
-                return 2;
-        else
-                return 4;
-}
-
-/**
- * Don't check status code from this as it switches the bus back to the
- * SDVO chips which defeats the purpose of doing a bus switch in the first
- * place.
- */
-void psb_intel_sdvo_set_control_bus_switch(
-                                struct psb_intel_output *psb_intel_output,
-                                u8 target)
-{
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_SET_CONTROL_BUS_SWITCH,
-                                 &target,
-                                 1);
-}
-
-static bool psb_intel_sdvo_set_target_input(
-                                struct psb_intel_output *psb_intel_output,
-                                bool target_0, bool target_1)
-{
-        struct psb_intel_sdvo_set_target_input_args targets = { 0 };
-        u8 status;
-
-        if (target_0 && target_1)
-                return SDVO_CMD_STATUS_NOTSUPP;
-
-        if (target_1)
-                targets.target_1 = 1;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_INPUT,
-                             &targets, sizeof(targets));
-
-        status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-
-        return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-/**
- * Return whether each input is trained.
- *
- * This function is making an assumption about the layout of the response,
- * which should be checked against the docs.
- */
-static bool psb_intel_sdvo_get_trained_inputs(struct psb_intel_output
-                                          *psb_intel_output, bool *input_1,
-                                          bool *input_2)
-{
-        struct psb_intel_sdvo_get_trained_inputs_response response;
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_TRAINED_INPUTS,
-                             NULL, 0);
-        status =
-            psb_intel_sdvo_read_response(psb_intel_output, &response,
-                                     sizeof(response));
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        *input_1 = response.input0_trained;
-        *input_2 = response.input1_trained;
-        return true;
-}
-
-static bool psb_intel_sdvo_get_active_outputs(struct psb_intel_output
-                                          *psb_intel_output, u16 *outputs)
-{
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_GET_ACTIVE_OUTPUTS,
-                             NULL, 0);
-        status =
-            psb_intel_sdvo_read_response(psb_intel_output, outputs,
-                                     sizeof(*outputs));
-
-        return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_set_active_outputs(struct psb_intel_output
-                                          *psb_intel_output, u16 outputs)
-{
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_ACTIVE_OUTPUTS,
-                             &outputs, sizeof(outputs));
-        status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-        return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_set_encoder_power_state(struct psb_intel_output
-                                               *psb_intel_output, int mode)
-{
-        u8 status, state = SDVO_ENCODER_STATE_ON;
-
-        switch (mode) {
-        case DRM_MODE_DPMS_ON:
-                state = SDVO_ENCODER_STATE_ON;
-                break;
-        case DRM_MODE_DPMS_STANDBY:
-                state = SDVO_ENCODER_STATE_STANDBY;
-                break;
-        case DRM_MODE_DPMS_SUSPEND:
-                state = SDVO_ENCODER_STATE_SUSPEND;
-                break;
-        case DRM_MODE_DPMS_OFF:
-                state = SDVO_ENCODER_STATE_OFF;
-                break;
-        }
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                             SDVO_CMD_SET_ENCODER_POWER_STATE, &state,
-                             sizeof(state));
-        status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-
-        return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_get_input_pixel_clock_range(struct psb_intel_output
-                                                   *psb_intel_output,
-                                                   int *clock_min,
-                                                   int *clock_max)
-{
-        struct psb_intel_sdvo_pixel_clock_range clocks;
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                             SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE, NULL,
-                             0);
-
-        status =
-            psb_intel_sdvo_read_response(psb_intel_output, &clocks,
-                                     sizeof(clocks));
-
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        /* Convert the values from units of 10 kHz to kHz. */
-        *clock_min = clocks.min * 10;
-        *clock_max = clocks.max * 10;
-
-        return true;
-}
-
-static bool psb_intel_sdvo_set_target_output(
-                                struct psb_intel_output *psb_intel_output,
-                                u16 outputs)
-{
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, SDVO_CMD_SET_TARGET_OUTPUT,
-                             &outputs, sizeof(outputs));
-
-        status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-        return status == SDVO_CMD_STATUS_SUCCESS;
-}
-
-static bool psb_intel_sdvo_get_timing(struct psb_intel_output *psb_intel_output,
-                                  u8 cmd, struct psb_intel_sdvo_dtd *dtd)
-{
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, cmd, NULL, 0);
-        status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part1,
-                                          sizeof(dtd->part1));
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, NULL, 0);
-        status = psb_intel_sdvo_read_response(psb_intel_output, &dtd->part2,
-                                          sizeof(dtd->part2));
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        return true;
-}
-
-static bool psb_intel_sdvo_get_input_timing(
-                                struct psb_intel_output *psb_intel_output,
-                                struct psb_intel_sdvo_dtd *dtd)
-{
-        return psb_intel_sdvo_get_timing(psb_intel_output,
-                                     SDVO_CMD_GET_INPUT_TIMINGS_PART1,
-                                     dtd);
-}
-
-static bool psb_intel_sdvo_set_timing(
-                                struct psb_intel_output *psb_intel_output,
-                                u8 cmd,
-                                struct psb_intel_sdvo_dtd *dtd)
-{
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, cmd, &dtd->part1,
-                             sizeof(dtd->part1));
-        status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output, cmd + 1, &dtd->part2,
-                             sizeof(dtd->part2));
-        status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        return true;
-}
-
-static bool psb_intel_sdvo_set_input_timing(
-                                struct psb_intel_output *psb_intel_output,
-                                struct psb_intel_sdvo_dtd *dtd)
-{
-        return psb_intel_sdvo_set_timing(psb_intel_output,
-                                     SDVO_CMD_SET_INPUT_TIMINGS_PART1,
-                                     dtd);
-}
-
-static bool psb_intel_sdvo_set_output_timing(
-                                struct psb_intel_output *psb_intel_output,
-                                struct psb_intel_sdvo_dtd *dtd)
-{
-        return psb_intel_sdvo_set_timing(psb_intel_output,
-                                     SDVO_CMD_SET_OUTPUT_TIMINGS_PART1,
-                                     dtd);
-}
-
-static int psb_intel_sdvo_get_clock_rate_mult(struct psb_intel_output
-                                                *psb_intel_output)
-{
-        u8 response, status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_GET_CLOCK_RATE_MULT,
-                                 NULL,
-                                 0);
-
-        status = psb_intel_sdvo_read_response(psb_intel_output, &response, 1);
-
-        if (status != SDVO_CMD_STATUS_SUCCESS) {
-                DRM_DEBUG("Couldn't get SDVO clock rate multiplier\n");
-                return SDVO_CLOCK_RATE_MULT_1X;
-        } else {
-                DRM_DEBUG("Current clock rate multiplier: %d\n", response);
-        }
-
-        return response;
-}
-
-static bool psb_intel_sdvo_set_clock_rate_mult(struct psb_intel_output
-                                                *psb_intel_output, u8 val)
-{
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                SDVO_CMD_SET_CLOCK_RATE_MULT,
-                                &val,
-                                1);
-
-        status = psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        return true;
-}
-
-static bool psb_sdvo_set_current_inoutmap(struct psb_intel_output *output,
-                                          u32 in0outputmask,
-                                          u32 in1outputmask)
-{
-        u8 byArgs[4];
-        u8 status;
-        int i;
-        struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv;
-
-        /* Make all fields of the  args/ret to zero */
-        memset(byArgs, 0, sizeof(byArgs));
-
-        /* Fill up the argument values; */
-        byArgs[0] = (u8) (in0outputmask & 0xFF);
-        byArgs[1] = (u8) ((in0outputmask >> 8) & 0xFF);
-        byArgs[2] = (u8) (in1outputmask & 0xFF);
-        byArgs[3] = (u8) ((in1outputmask >> 8) & 0xFF);
-
-
-        /*save inoutmap arg here*/
-        for (i = 0; i < 4; i++)
-                sdvo_priv->in_out_map[i] = byArgs[0];
-
-        psb_intel_sdvo_write_cmd(output, SDVO_CMD_SET_IN_OUT_MAP, byArgs, 4);
-        status = psb_intel_sdvo_read_response(output, NULL, 0);
-
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-        return true;
-}
-
-
-static void psb_intel_sdvo_set_iomap(struct psb_intel_output *output)
-{
-        u32 dwCurrentSDVOIn0 = 0;
-        u32 dwCurrentSDVOIn1 = 0;
-        u32 dwDevMask = 0;
-
-
-        struct psb_intel_sdvo_priv *sdvo_priv = output->dev_priv;
-
-        /* Please DO NOT change the following code. */
-        /* SDVOB_IN0 or SDVOB_IN1 ==> sdvo_in0 */
-        /* SDVOC_IN0 or SDVOC_IN1 ==> sdvo_in1 */
-        if (sdvo_priv->by_input_wiring & (SDVOB_IN0 | SDVOC_IN0)) {
-                switch (sdvo_priv->active_device) {
-                case SDVO_DEVICE_LVDS:
-                        dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1;
-                        break;
-                case SDVO_DEVICE_TMDS:
-                        dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1;
-                        break;
-                case SDVO_DEVICE_TV:
-                        dwDevMask =
-                        SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 |
-                        SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 |
-                        SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 |
-                        SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1;
-                        break;
-                case SDVO_DEVICE_CRT:
-                        dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1;
-                        break;
-                }
-                dwCurrentSDVOIn0 = (sdvo_priv->active_outputs & dwDevMask);
-        } else if (sdvo_priv->by_input_wiring & (SDVOB_IN1 | SDVOC_IN1)) {
-                switch (sdvo_priv->active_device) {
-                case SDVO_DEVICE_LVDS:
-                        dwDevMask = SDVO_OUTPUT_LVDS0 | SDVO_OUTPUT_LVDS1;
-                        break;
-                case SDVO_DEVICE_TMDS:
-                        dwDevMask = SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_TMDS1;
-                        break;
-                case SDVO_DEVICE_TV:
-                        dwDevMask =
-                        SDVO_OUTPUT_YPRPB0 | SDVO_OUTPUT_SVID0 |
-                        SDVO_OUTPUT_CVBS0 | SDVO_OUTPUT_YPRPB1 |
-                        SDVO_OUTPUT_SVID1 | SDVO_OUTPUT_CVBS1 |
-                        SDVO_OUTPUT_SCART0 | SDVO_OUTPUT_SCART1;
-                        break;
-                case SDVO_DEVICE_CRT:
-                        dwDevMask = SDVO_OUTPUT_RGB0 | SDVO_OUTPUT_RGB1;
-                        break;
-                }
-                dwCurrentSDVOIn1 = (sdvo_priv->active_outputs & dwDevMask);
-        }
-
-        psb_sdvo_set_current_inoutmap(output, dwCurrentSDVOIn0,
-                                          dwCurrentSDVOIn1);
-}
-
-
-static bool psb_intel_sdvo_mode_fixup(struct drm_encoder *encoder,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
-{
-        /* Make the CRTC code factor in the SDVO pixel multiplier.  The SDVO
-         * device will be told of the multiplier during mode_set.
-         */
-        adjusted_mode->clock *= psb_intel_sdvo_get_pixel_multiplier(mode);
-        return true;
-}
-
-static void psb_intel_sdvo_mode_set(struct drm_encoder *encoder,
-                                struct drm_display_mode *mode,
-                                struct drm_display_mode *adjusted_mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct drm_crtc *crtc = encoder->crtc;
-        struct psb_intel_crtc *psb_intel_crtc = to_psb_intel_crtc(crtc);
-        struct psb_intel_output *psb_intel_output =
-                                        enc_to_psb_intel_output(encoder);
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        u16 width, height;
-        u16 h_blank_len, h_sync_len, v_blank_len, v_sync_len;
-        u16 h_sync_offset, v_sync_offset;
-        u32 sdvox;
-        struct psb_intel_sdvo_dtd output_dtd;
-        int sdvo_pixel_multiply;
-
-        if (!mode)
-                return;
-
-        psb_intel_sdvo_set_target_output(psb_intel_output, 0);
-
-        width = mode->crtc_hdisplay;
-        height = mode->crtc_vdisplay;
-
-        /* do some mode translations */
-        h_blank_len = mode->crtc_hblank_end - mode->crtc_hblank_start;
-        h_sync_len = mode->crtc_hsync_end - mode->crtc_hsync_start;
-
-        v_blank_len = mode->crtc_vblank_end - mode->crtc_vblank_start;
-        v_sync_len = mode->crtc_vsync_end - mode->crtc_vsync_start;
-
-        h_sync_offset = mode->crtc_hsync_start - mode->crtc_hblank_start;
-        v_sync_offset = mode->crtc_vsync_start - mode->crtc_vblank_start;
-
-        output_dtd.part1.clock = mode->clock / 10;
-        output_dtd.part1.h_active = width & 0xff;
-        output_dtd.part1.h_blank = h_blank_len & 0xff;
-        output_dtd.part1.h_high = (((width >> 8) & 0xf) << 4) |
-            ((h_blank_len >> 8) & 0xf);
-        output_dtd.part1.v_active = height & 0xff;
-        output_dtd.part1.v_blank = v_blank_len & 0xff;
-        output_dtd.part1.v_high = (((height >> 8) & 0xf) << 4) |
-            ((v_blank_len >> 8) & 0xf);
-
-        output_dtd.part2.h_sync_off = h_sync_offset;
-        output_dtd.part2.h_sync_width = h_sync_len & 0xff;
-        output_dtd.part2.v_sync_off_width = (v_sync_offset & 0xf) << 4 |
-            (v_sync_len & 0xf);
-        output_dtd.part2.sync_off_width_high =
-            ((h_sync_offset & 0x300) >> 2) | ((h_sync_len & 0x300) >> 4) |
-            ((v_sync_offset & 0x30) >> 2) | ((v_sync_len & 0x30) >> 4);
-
-        output_dtd.part2.dtd_flags = 0x18;
-        if (mode->flags & DRM_MODE_FLAG_PHSYNC)
-                output_dtd.part2.dtd_flags |= 0x2;
-        if (mode->flags & DRM_MODE_FLAG_PVSYNC)
-                output_dtd.part2.dtd_flags |= 0x4;
-
-        output_dtd.part2.sdvo_flags = 0;
-        output_dtd.part2.v_sync_off_high = v_sync_offset & 0xc0;
-        output_dtd.part2.reserved = 0;
-
-        /* Set the output timing to the screen */
-        psb_intel_sdvo_set_target_output(psb_intel_output,
-                                     sdvo_priv->active_outputs);
-
-        /* Set the input timing to the screen. Assume always input 0. */
-        psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-
-        psb_intel_sdvo_set_output_timing(psb_intel_output, &output_dtd);
-
-        /* We would like to use i830_sdvo_create_preferred_input_timing() to
-         * provide the device with a timing it can support, if it supports that
-         * feature.  However, presumably we would need to adjust the CRTC to
-         * output the preferred timing, and we don't support that currently.
-         */
-        psb_intel_sdvo_set_input_timing(psb_intel_output, &output_dtd);
-
-        switch (psb_intel_sdvo_get_pixel_multiplier(mode)) {
-        case 1:
-                psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-                                               SDVO_CLOCK_RATE_MULT_1X);
-                break;
-        case 2:
-                psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-                                               SDVO_CLOCK_RATE_MULT_2X);
-                break;
-        case 4:
-                psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-                                               SDVO_CLOCK_RATE_MULT_4X);
-                break;
-        }
-
-        /* Set the SDVO control regs. */
-        sdvox = REG_READ(sdvo_priv->output_device);
-        switch (sdvo_priv->output_device) {
-        case SDVOB:
-                sdvox &= SDVOB_PRESERVE_MASK;
-                break;
-        case SDVOC:
-                sdvox &= SDVOC_PRESERVE_MASK;
-                break;
-        }
-        sdvox |= (9 << 19) | SDVO_BORDER_ENABLE;
-        if (psb_intel_crtc->pipe == 1)
-                sdvox |= SDVO_PIPE_B_SELECT;
-
-        sdvo_pixel_multiply = psb_intel_sdvo_get_pixel_multiplier(mode);
-
-        psb_intel_sdvo_write_sdvox(psb_intel_output, sdvox);
-
-         psb_intel_sdvo_set_iomap(psb_intel_output);
-}
-
-static void psb_intel_sdvo_dpms(struct drm_encoder *encoder, int mode)
-{
-        struct drm_device *dev = encoder->dev;
-        struct psb_intel_output *psb_intel_output =
-                                        enc_to_psb_intel_output(encoder);
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        u32 temp;
-
-        if (mode != DRM_MODE_DPMS_ON) {
-                psb_intel_sdvo_set_active_outputs(psb_intel_output, 0);
-                if (0)
-                        psb_intel_sdvo_set_encoder_power_state(
-                                                        psb_intel_output,
-                                                        mode);
-
-                if (mode == DRM_MODE_DPMS_OFF) {
-                        temp = REG_READ(sdvo_priv->output_device);
-                        if ((temp & SDVO_ENABLE) != 0) {
-                                psb_intel_sdvo_write_sdvox(psb_intel_output,
-                                                       temp &
-                                                       ~SDVO_ENABLE);
-                        }
-                }
-        } else {
-                bool input1, input2;
-                int i;
-                u8 status;
-
-                temp = REG_READ(sdvo_priv->output_device);
-                if ((temp & SDVO_ENABLE) == 0)
-                        psb_intel_sdvo_write_sdvox(psb_intel_output,
-                                               temp | SDVO_ENABLE);
-                for (i = 0; i < 2; i++)
-                        psb_intel_wait_for_vblank(dev);
-
-                status =
-                    psb_intel_sdvo_get_trained_inputs(psb_intel_output,
-                                                        &input1,
-                                                        &input2);
-
-
-                /* Warn if the device reported failure to sync.
-                 * A lot of SDVO devices fail to notify of sync, but it's
-                 * a given it the status is a success, we succeeded.
-                 */
-                if (status == SDVO_CMD_STATUS_SUCCESS && !input1) {
-                        DRM_DEBUG
-                            ("First %s output reported failure to sync\n",
-                             SDVO_NAME(sdvo_priv));
-                }
-
-                if (0)
-                        psb_intel_sdvo_set_encoder_power_state(
-                                                        psb_intel_output,
-                                                        mode);
-                psb_intel_sdvo_set_active_outputs(psb_intel_output,
-                                              sdvo_priv->active_outputs);
-        }
-        return;
-}
-
-static void psb_intel_sdvo_save(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        /*int o;*/
-
-        sdvo_priv->save_sdvo_mult =
-            psb_intel_sdvo_get_clock_rate_mult(psb_intel_output);
-        psb_intel_sdvo_get_active_outputs(psb_intel_output,
-                                      &sdvo_priv->save_active_outputs);
-
-        if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-                psb_intel_sdvo_set_target_input(psb_intel_output,
-                                                true,
-                                                false);
-                psb_intel_sdvo_get_input_timing(psb_intel_output,
-                                            &sdvo_priv->save_input_dtd_1);
-        }
-
-        if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-                psb_intel_sdvo_set_target_input(psb_intel_output,
-                                                false,
-                                                true);
-                psb_intel_sdvo_get_input_timing(psb_intel_output,
-                                            &sdvo_priv->save_input_dtd_2);
-        }
-        sdvo_priv->save_SDVOX = REG_READ(sdvo_priv->output_device);
-
-        /*TODO: save the in_out_map state*/
-}
-
-static void psb_intel_sdvo_restore(struct drm_connector *connector)
-{
-        struct drm_device *dev = connector->dev;
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-        /*int o;*/
-        int i;
-        bool input1, input2;
-        u8 status;
-
-        psb_intel_sdvo_set_active_outputs(psb_intel_output, 0);
-
-        if (sdvo_priv->caps.sdvo_inputs_mask & 0x1) {
-                psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-                psb_intel_sdvo_set_input_timing(psb_intel_output,
-                                            &sdvo_priv->save_input_dtd_1);
-        }
-
-        if (sdvo_priv->caps.sdvo_inputs_mask & 0x2) {
-                psb_intel_sdvo_set_target_input(psb_intel_output, false, true);
-                psb_intel_sdvo_set_input_timing(psb_intel_output,
-                                            &sdvo_priv->save_input_dtd_2);
-        }
-
-        psb_intel_sdvo_set_clock_rate_mult(psb_intel_output,
-                                       sdvo_priv->save_sdvo_mult);
-
-        REG_WRITE(sdvo_priv->output_device, sdvo_priv->save_SDVOX);
-
-        if (sdvo_priv->save_SDVOX & SDVO_ENABLE) {
-                for (i = 0; i < 2; i++)
-                        psb_intel_wait_for_vblank(dev);
-                status =
-                    psb_intel_sdvo_get_trained_inputs(psb_intel_output,
-                                                        &input1,
-                                                        &input2);
-                if (status == SDVO_CMD_STATUS_SUCCESS && !input1)
-                        DRM_DEBUG
-                            ("First %s output reported failure to sync\n",
-                             SDVO_NAME(sdvo_priv));
-        }
-
-        psb_intel_sdvo_set_active_outputs(psb_intel_output,
-                                      sdvo_priv->save_active_outputs);
-
-        /*TODO: restore in_out_map*/
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_SET_IN_OUT_MAP,
-                                 sdvo_priv->in_out_map,
-                                 4);
-
-        psb_intel_sdvo_read_response(psb_intel_output, NULL, 0);
-}
-
-static int psb_intel_sdvo_mode_valid(struct drm_connector *connector,
-                                 struct drm_display_mode *mode)
-{
-        struct psb_intel_output *psb_intel_output =
-                                to_psb_intel_output(connector);
-        struct psb_intel_sdvo_priv *sdvo_priv = psb_intel_output->dev_priv;
-
-        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
-                return MODE_NO_DBLESCAN;
-
-        if (sdvo_priv->pixel_clock_min > mode->clock)
-                return MODE_CLOCK_LOW;
-
-        if (sdvo_priv->pixel_clock_max < mode->clock)
-                return MODE_CLOCK_HIGH;
-
-        return MODE_OK;
-}
-
-static bool psb_intel_sdvo_get_capabilities(
-                                struct psb_intel_output *psb_intel_output,
-                                struct psb_intel_sdvo_caps *caps)
-{
-        u8 status;
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_GET_DEVICE_CAPS,
-                                 NULL,
-                                 0);
-        status = psb_intel_sdvo_read_response(psb_intel_output,
-                                                caps,
-                                                sizeof(*caps));
-        if (status != SDVO_CMD_STATUS_SUCCESS)
-                return false;
-
-        return true;
-}
-
-struct drm_connector *psb_intel_sdvo_find(struct drm_device *dev, int sdvoB)
-{
-        struct drm_connector *connector = NULL;
-        struct psb_intel_output *iout = NULL;
-        struct psb_intel_sdvo_priv *sdvo;
-
-        /* find the sdvo connector */
-        list_for_each_entry(connector, &dev->mode_config.connector_list,
-                            head) {
-                iout = to_psb_intel_output(connector);
-
-                if (iout->type != INTEL_OUTPUT_SDVO)
-                        continue;
-
-                sdvo = iout->dev_priv;
-
-                if (sdvo->output_device == SDVOB && sdvoB)
-                        return connector;
-
-                if (sdvo->output_device == SDVOC && !sdvoB)
-                        return connector;
-
-        }
-
-        return NULL;
-}
-
-int psb_intel_sdvo_supports_hotplug(struct drm_connector *connector)
-{
-        u8 response[2];
-        u8 status;
-        struct psb_intel_output *psb_intel_output;
-
-        if (!connector)
-                return 0;
-
-        psb_intel_output = to_psb_intel_output(connector);
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_GET_HOT_PLUG_SUPPORT,
-                                 NULL,
-                                 0);
-        status = psb_intel_sdvo_read_response(psb_intel_output,
-                                                &response,
-                                                2);
-
-        if (response[0] != 0)
-                return 1;
-
-        return 0;
-}
-
-void psb_intel_sdvo_set_hotplug(struct drm_connector *connector, int on)
-{
-        u8 response[2];
-        u8 status;
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_GET_ACTIVE_HOT_PLUG,
-                                 NULL,
-                                 0);
-        psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-
-        if (on) {
-                psb_intel_sdvo_write_cmd(psb_intel_output,
-                                     SDVO_CMD_GET_HOT_PLUG_SUPPORT, NULL,
-                                     0);
-                status = psb_intel_sdvo_read_response(psb_intel_output,
-                                                      &response,
-                                                      2);
-
-                psb_intel_sdvo_write_cmd(psb_intel_output,
-                                     SDVO_CMD_SET_ACTIVE_HOT_PLUG,
-                                     &response, 2);
-        } else {
-                response[0] = 0;
-                response[1] = 0;
-                psb_intel_sdvo_write_cmd(psb_intel_output,
-                                     SDVO_CMD_SET_ACTIVE_HOT_PLUG,
-                                     &response, 2);
-        }
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_GET_ACTIVE_HOT_PLUG,
-                                 NULL,
-                                 0);
-        psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-}
-
-static enum drm_connector_status psb_intel_sdvo_detect(struct drm_connector
-                                                   *connector, bool force)
-{
-        u8 response[2];
-        u8 status;
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-
-        psb_intel_sdvo_write_cmd(psb_intel_output,
-                                 SDVO_CMD_GET_ATTACHED_DISPLAYS,
-                                 NULL,
-                                 0);
-        status = psb_intel_sdvo_read_response(psb_intel_output, &response, 2);
-
-        DRM_DEBUG("SDVO response %d %d\n", response[0], response[1]);
-        if ((response[0] != 0) || (response[1] != 0))
-                return connector_status_connected;
-        else
-                return connector_status_disconnected;
-}
-
-static int psb_intel_sdvo_get_modes(struct drm_connector *connector)
-{
-        struct psb_intel_output *psb_intel_output =
-                                        to_psb_intel_output(connector);
-
-        /* set the bus switch and get the modes */
-        psb_intel_sdvo_set_control_bus_switch(psb_intel_output,
-                                          SDVO_CONTROL_BUS_DDC2);
-        psb_intel_ddc_get_modes(psb_intel_output);
-
-        if (list_empty(&connector->probed_modes))
-                return 0;
-        return 1;
-}
-
-static void psb_intel_sdvo_destroy(struct drm_connector *connector)
-{
-        struct psb_intel_output *psb_intel_output =
-                                to_psb_intel_output(connector);
-
-        if (psb_intel_output->i2c_bus)
-                psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-        drm_sysfs_connector_remove(connector);
-        drm_connector_cleanup(connector);
-        kfree(psb_intel_output);
-}
-
-static const struct drm_encoder_helper_funcs psb_intel_sdvo_helper_funcs = {
-        .dpms = psb_intel_sdvo_dpms,
-        .mode_fixup = psb_intel_sdvo_mode_fixup,
-        .prepare = psb_intel_encoder_prepare,
-        .mode_set = psb_intel_sdvo_mode_set,
-        .commit = psb_intel_encoder_commit,
-};
-
-static const struct drm_connector_funcs psb_intel_sdvo_connector_funcs = {
-        .dpms = drm_helper_connector_dpms,
-        .save = psb_intel_sdvo_save,
-        .restore = psb_intel_sdvo_restore,
-        .detect = psb_intel_sdvo_detect,
-        .fill_modes = drm_helper_probe_single_connector_modes,
-        .destroy = psb_intel_sdvo_destroy,
-};
-
-static const struct drm_connector_helper_funcs
-                                psb_intel_sdvo_connector_helper_funcs = {
-        .get_modes = psb_intel_sdvo_get_modes,
-        .mode_valid = psb_intel_sdvo_mode_valid,
-        .best_encoder = psb_intel_best_encoder,
-};
-
-void psb_intel_sdvo_enc_destroy(struct drm_encoder *encoder)
-{
-        drm_encoder_cleanup(encoder);
-}
-
-static const struct drm_encoder_funcs psb_intel_sdvo_enc_funcs = {
-        .destroy = psb_intel_sdvo_enc_destroy,
-};
-
-
-void psb_intel_sdvo_init(struct drm_device *dev, int output_device)
-{
-        struct drm_connector *connector;
-        struct psb_intel_output *psb_intel_output;
-        struct psb_intel_sdvo_priv *sdvo_priv;
-        struct psb_intel_i2c_chan *i2cbus = NULL;
-        int connector_type;
-        u8 ch[0x40];
-        int i;
-        int encoder_type, output_id;
-
-        psb_intel_output =
-            kcalloc(sizeof(struct psb_intel_output) +
-                    sizeof(struct psb_intel_sdvo_priv), 1, GFP_KERNEL);
-        if (!psb_intel_output)
-                return;
-
-        connector = &psb_intel_output->base;
-
-        drm_connector_init(dev, connector, &psb_intel_sdvo_connector_funcs,
-                           DRM_MODE_CONNECTOR_Unknown);
-        drm_connector_helper_add(connector,
-                                 &psb_intel_sdvo_connector_helper_funcs);
-        sdvo_priv = (struct psb_intel_sdvo_priv *) (psb_intel_output + 1);
-        psb_intel_output->type = INTEL_OUTPUT_SDVO;
-
-        connector->interlace_allowed = 0;
-        connector->doublescan_allowed = 0;
-
-        /* setup the DDC bus. */
-        if (output_device == SDVOB)
-                i2cbus =
-                    psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOB");
-        else
-                i2cbus =
-                    psb_intel_i2c_create(dev, GPIOE, "SDVOCTRL_E for SDVOC");
-
-        if (!i2cbus)
-                goto err_connector;
-
-        sdvo_priv->i2c_bus = i2cbus;
-
-        if (output_device == SDVOB) {
-                output_id = 1;
-                sdvo_priv->by_input_wiring = SDVOB_IN0;
-                sdvo_priv->i2c_bus->slave_addr = 0x38;
-        } else {
-                output_id = 2;
-                sdvo_priv->i2c_bus->slave_addr = 0x39;
-        }
-
-        sdvo_priv->output_device = output_device;
-        psb_intel_output->i2c_bus = i2cbus;
-        psb_intel_output->dev_priv = sdvo_priv;
-
-
-        /* Read the regs to test if we can talk to the device */
-        for (i = 0; i < 0x40; i++) {
-                if (!psb_intel_sdvo_read_byte(psb_intel_output, i, &ch[i])) {
-                        dev_dbg(dev->dev, "No SDVO device found on SDVO%c\n",
-                                  output_device == SDVOB ? 'B' : 'C');
-                        goto err_i2c;
-                }
-        }
-
-        psb_intel_sdvo_get_capabilities(psb_intel_output, &sdvo_priv->caps);
-
-        memset(&sdvo_priv->active_outputs, 0,
-               sizeof(sdvo_priv->active_outputs));
-
-        /* TODO, CVBS, SVID, YPRPB & SCART outputs. */
-        if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB0) {
-                sdvo_priv->active_outputs = SDVO_OUTPUT_RGB0;
-                sdvo_priv->active_device = SDVO_DEVICE_CRT;
-                connector->display_info.subpixel_order =
-                    SubPixelHorizontalRGB;
-                encoder_type = DRM_MODE_ENCODER_DAC;
-                connector_type = DRM_MODE_CONNECTOR_VGA;
-        } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_RGB1) {
-                sdvo_priv->active_outputs = SDVO_OUTPUT_RGB1;
-                sdvo_priv->active_outputs = SDVO_DEVICE_CRT;
-                connector->display_info.subpixel_order =
-                    SubPixelHorizontalRGB;
-                encoder_type = DRM_MODE_ENCODER_DAC;
-                connector_type = DRM_MODE_CONNECTOR_VGA;
-        } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS0) {
-                sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS0;
-                sdvo_priv->active_device = SDVO_DEVICE_TMDS;
-                connector->display_info.subpixel_order =
-                    SubPixelHorizontalRGB;
-                encoder_type = DRM_MODE_ENCODER_TMDS;
-                connector_type = DRM_MODE_CONNECTOR_DVID;
-        } else if (sdvo_priv->caps.output_flags & SDVO_OUTPUT_TMDS1) {
-                sdvo_priv->active_outputs = SDVO_OUTPUT_TMDS1;
-                sdvo_priv->active_device = SDVO_DEVICE_TMDS;
-                connector->display_info.subpixel_order =
-                    SubPixelHorizontalRGB;
-                encoder_type = DRM_MODE_ENCODER_TMDS;
-                connector_type = DRM_MODE_CONNECTOR_DVID;
-        } else {
-                unsigned char bytes[2];
-
-                memcpy(bytes, &sdvo_priv->caps.output_flags, 2);
-                dev_dbg(dev->dev, "%s: No active RGB or TMDS outputs (0x%02x%02x)\n",
-                     SDVO_NAME(sdvo_priv), bytes[0], bytes[1]);
-                goto err_i2c;
-        }
-
-        drm_encoder_init(dev, &psb_intel_output->enc, &psb_intel_sdvo_enc_funcs,
-                         encoder_type);
-        drm_encoder_helper_add(&psb_intel_output->enc,
-                               &psb_intel_sdvo_helper_funcs);
-        connector->connector_type = connector_type;
-
-        drm_mode_connector_attach_encoder(&psb_intel_output->base,
-                                          &psb_intel_output->enc);
-        drm_sysfs_connector_add(connector);
-
-        /* Set the input timing to the screen. Assume always input 0. */
-        psb_intel_sdvo_set_target_input(psb_intel_output, true, false);
-
-        psb_intel_sdvo_get_input_pixel_clock_range(psb_intel_output,
-                                               &sdvo_priv->pixel_clock_min,
-                                               &sdvo_priv->
-                                               pixel_clock_max);
-
-
-        dev_dbg(dev->dev, "%s device VID/DID: %02X:%02X.%02X, "
-                  "clock range %dMHz - %dMHz, "
-                  "input 1: %c, input 2: %c, "
-                  "output 1: %c, output 2: %c\n",
-                  SDVO_NAME(sdvo_priv),
-                  sdvo_priv->caps.vendor_id, sdvo_priv->caps.device_id,
-                  sdvo_priv->caps.device_rev_id,
-                  sdvo_priv->pixel_clock_min / 1000,
-                  sdvo_priv->pixel_clock_max / 1000,
-                  (sdvo_priv->caps.sdvo_inputs_mask & 0x1) ? 'Y' : 'N',
-                  (sdvo_priv->caps.sdvo_inputs_mask & 0x2) ? 'Y' : 'N',
-                  /* check currently supported outputs */
-                  sdvo_priv->caps.output_flags &
-                  (SDVO_OUTPUT_TMDS0 | SDVO_OUTPUT_RGB0) ? 'Y' : 'N',
-                  sdvo_priv->caps.output_flags &
-                  (SDVO_OUTPUT_TMDS1 | SDVO_OUTPUT_RGB1) ? 'Y' : 'N');
-
-        psb_intel_output->ddc_bus = i2cbus;
-
-        return;
-
-err_i2c:
-        psb_intel_i2c_destroy(psb_intel_output->i2c_bus);
-err_connector:
-        drm_connector_cleanup(connector);
-        kfree(psb_intel_output);
-
-        return;
-}
diff --git a/drivers/staging/gma500/psb_intel_sdvo_regs.h b/drivers/staging/gma500/psb_intel_sdvo_regs.h
deleted file mode 100644
index 96862ea65aba..000000000000
--- a/drivers/staging/gma500/psb_intel_sdvo_regs.h
+++ /dev/null
@@ -1,338 +0,0 @@
-/*
- * SDVO command definitions and structures.
- *
- * Copyright (c) 2008, Intel Corporation
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *      Eric Anholt <eric@anholt.net>
- */
-
-#define SDVO_OUTPUT_FIRST   (0)
-#define SDVO_OUTPUT_TMDS0   (1 << 0)
-#define SDVO_OUTPUT_RGB0    (1 << 1)
-#define SDVO_OUTPUT_CVBS0   (1 << 2)
-#define SDVO_OUTPUT_SVID0   (1 << 3)
-#define SDVO_OUTPUT_YPRPB0  (1 << 4)
-#define SDVO_OUTPUT_SCART0  (1 << 5)
-#define SDVO_OUTPUT_LVDS0   (1 << 6)
-#define SDVO_OUTPUT_TMDS1   (1 << 8)
-#define SDVO_OUTPUT_RGB1    (1 << 9)
-#define SDVO_OUTPUT_CVBS1   (1 << 10)
-#define SDVO_OUTPUT_SVID1   (1 << 11)
-#define SDVO_OUTPUT_YPRPB1  (1 << 12)
-#define SDVO_OUTPUT_SCART1  (1 << 13)
-#define SDVO_OUTPUT_LVDS1   (1 << 14)
-#define SDVO_OUTPUT_LAST    (14)
-
-struct psb_intel_sdvo_caps {
-        u8 vendor_id;
-        u8 device_id;
-        u8 device_rev_id;
-        u8 sdvo_version_major;
-        u8 sdvo_version_minor;
-        unsigned int sdvo_inputs_mask:2;
-        unsigned int smooth_scaling:1;
-        unsigned int sharp_scaling:1;
-        unsigned int up_scaling:1;
-        unsigned int down_scaling:1;
-        unsigned int stall_support:1;
-        unsigned int pad:1;
-        u16 output_flags;
-} __packed;
-
-/** This matches the EDID DTD structure, more or less */
-struct psb_intel_sdvo_dtd {
-        struct {
-                u16 clock;      /**< pixel clock, in 10kHz units */
-                u8 h_active;    /**< lower 8 bits (pixels) */
-                u8 h_blank;     /**< lower 8 bits (pixels) */
-                u8 h_high;      /**< upper 4 bits each h_active, h_blank */
-                u8 v_active;    /**< lower 8 bits (lines) */
-                u8 v_blank;     /**< lower 8 bits (lines) */
-                u8 v_high;      /**< upper 4 bits each v_active, v_blank */
-        } part1;
-
-        struct {
-                u8 h_sync_off;
-                        /**< lower 8 bits, from hblank start */
-                u8 h_sync_width;/**< lower 8 bits (pixels) */
-        /** lower 4 bits each vsync offset, vsync width */
-                u8 v_sync_off_width;
-        /**
-         * 2 high bits of hsync offset, 2 high bits of hsync width,
-         * bits 4-5 of vsync offset, and 2 high bits of vsync width.
-         */
-                u8 sync_off_width_high;
-                u8 dtd_flags;
-                u8 sdvo_flags;
-        /** bits 6-7 of vsync offset at bits 6-7 */
-                u8 v_sync_off_high;
-                u8 reserved;
-        } part2;
-} __packed;
-
-struct psb_intel_sdvo_pixel_clock_range {
-        u16 min;                /**< pixel clock, in 10kHz units */
-        u16 max;                /**< pixel clock, in 10kHz units */
-} __packed;
-
-struct psb_intel_sdvo_preferred_input_timing_args {
-        u16 clock;
-        u16 width;
-        u16 height;
-} __packed;
-
-/* I2C registers for SDVO */
-#define SDVO_I2C_ARG_0                          0x07
-#define SDVO_I2C_ARG_1                          0x06
-#define SDVO_I2C_ARG_2                          0x05
-#define SDVO_I2C_ARG_3                          0x04
-#define SDVO_I2C_ARG_4                          0x03
-#define SDVO_I2C_ARG_5                          0x02
-#define SDVO_I2C_ARG_6                          0x01
-#define SDVO_I2C_ARG_7                          0x00
-#define SDVO_I2C_OPCODE                         0x08
-#define SDVO_I2C_CMD_STATUS                     0x09
-#define SDVO_I2C_RETURN_0                       0x0a
-#define SDVO_I2C_RETURN_1                       0x0b
-#define SDVO_I2C_RETURN_2                       0x0c
-#define SDVO_I2C_RETURN_3                       0x0d
-#define SDVO_I2C_RETURN_4                       0x0e
-#define SDVO_I2C_RETURN_5                       0x0f
-#define SDVO_I2C_RETURN_6                       0x10
-#define SDVO_I2C_RETURN_7                       0x11
-#define SDVO_I2C_VENDOR_BEGIN                   0x20
-
-/* Status results */
-#define SDVO_CMD_STATUS_POWER_ON                0x0
-#define SDVO_CMD_STATUS_SUCCESS                 0x1
-#define SDVO_CMD_STATUS_NOTSUPP                 0x2
-#define SDVO_CMD_STATUS_INVALID_ARG             0x3
-#define SDVO_CMD_STATUS_PENDING                 0x4
-#define SDVO_CMD_STATUS_TARGET_NOT_SPECIFIED    0x5
-#define SDVO_CMD_STATUS_SCALING_NOT_SUPP        0x6
-
-/* SDVO commands, argument/result registers */
-
-#define SDVO_CMD_RESET                                  0x01
-
-/** Returns a struct psb_intel_sdvo_caps */
-#define SDVO_CMD_GET_DEVICE_CAPS                        0x02
-
-#define SDVO_CMD_GET_FIRMWARE_REV                       0x86
-# define SDVO_DEVICE_FIRMWARE_MINOR                     SDVO_I2C_RETURN_0
-# define SDVO_DEVICE_FIRMWARE_MAJOR                     SDVO_I2C_RETURN_1
-# define SDVO_DEVICE_FIRMWARE_PATCH                     SDVO_I2C_RETURN_2
-
-/**
- * Reports which inputs are trained (managed to sync).
- *
- * Devices must have trained within 2 vsyncs of a mode change.
- */
-#define SDVO_CMD_GET_TRAINED_INPUTS                     0x03
-struct psb_intel_sdvo_get_trained_inputs_response {
-        unsigned int input0_trained:1;
-        unsigned int input1_trained:1;
-        unsigned int pad:6;
-} __packed;
-
-/** Returns a struct psb_intel_sdvo_output_flags of active outputs. */
-#define SDVO_CMD_GET_ACTIVE_OUTPUTS                     0x04
-
-/**
- * Sets the current set of active outputs.
- *
- * Takes a struct psb_intel_sdvo_output_flags.
- * Must be preceded by a SET_IN_OUT_MAP
- * on multi-output devices.
- */
-#define SDVO_CMD_SET_ACTIVE_OUTPUTS                     0x05
-
-/**
- * Returns the current mapping of SDVO inputs to outputs on the device.
- *
- * Returns two struct psb_intel_sdvo_output_flags structures.
- */
-#define SDVO_CMD_GET_IN_OUT_MAP                         0x06
-
-/**
- * Sets the current mapping of SDVO inputs to outputs on the device.
- *
- * Takes two struct i380_sdvo_output_flags structures.
- */
-#define SDVO_CMD_SET_IN_OUT_MAP                         0x07
-
-/**
- * Returns a struct psb_intel_sdvo_output_flags of attached displays.
- */
-#define SDVO_CMD_GET_ATTACHED_DISPLAYS                  0x0b
-
-/**
- * Returns a struct psb_intel_sdvo_ouptut_flags of displays supporting hot plugging.
- */
-#define SDVO_CMD_GET_HOT_PLUG_SUPPORT                   0x0c
-
-/**
- * Takes a struct psb_intel_sdvo_output_flags.
- */
-#define SDVO_CMD_SET_ACTIVE_HOT_PLUG                    0x0d
-
-/**
- * Returns a struct psb_intel_sdvo_output_flags of displays with hot plug
- * interrupts enabled.
- */
-#define SDVO_CMD_GET_ACTIVE_HOT_PLUG                    0x0e
-
-#define SDVO_CMD_GET_INTERRUPT_EVENT_SOURCE             0x0f
-struct psb_intel_sdvo_get_interrupt_event_source_response {
-        u16 interrupt_status;
-        unsigned int ambient_light_interrupt:1;
-        unsigned int pad:7;
-} __packed;
-
-/**
- * Selects which input is affected by future input commands.
- *
- * Commands affected include SET_INPUT_TIMINGS_PART[12],
- * GET_INPUT_TIMINGS_PART[12], GET_PREFERRED_INPUT_TIMINGS_PART[12],
- * GET_INPUT_PIXEL_CLOCK_RANGE, and CREATE_PREFERRED_INPUT_TIMINGS.
- */
-#define SDVO_CMD_SET_TARGET_INPUT                       0x10
-struct psb_intel_sdvo_set_target_input_args {
-        unsigned int target_1:1;
-        unsigned int pad:7;
-} __packed;
-
-/**
- * Takes a struct psb_intel_sdvo_output_flags of which outputs are targeted by
- * future output commands.
- *
- * Affected commands inclue SET_OUTPUT_TIMINGS_PART[12],
- * GET_OUTPUT_TIMINGS_PART[12], and GET_OUTPUT_PIXEL_CLOCK_RANGE.
- */
-#define SDVO_CMD_SET_TARGET_OUTPUT                      0x11
-
-#define SDVO_CMD_GET_INPUT_TIMINGS_PART1                0x12
-#define SDVO_CMD_GET_INPUT_TIMINGS_PART2                0x13
-#define SDVO_CMD_SET_INPUT_TIMINGS_PART1                0x14
-#define SDVO_CMD_SET_INPUT_TIMINGS_PART2                0x15
-#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART1               0x16
-#define SDVO_CMD_SET_OUTPUT_TIMINGS_PART2               0x17
-#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART1               0x18
-#define SDVO_CMD_GET_OUTPUT_TIMINGS_PART2               0x19
-/* Part 1 */
-# define SDVO_DTD_CLOCK_LOW                             SDVO_I2C_ARG_0
-# define SDVO_DTD_CLOCK_HIGH                            SDVO_I2C_ARG_1
-# define SDVO_DTD_H_ACTIVE                              SDVO_I2C_ARG_2
-# define SDVO_DTD_H_BLANK                               SDVO_I2C_ARG_3
-# define SDVO_DTD_H_HIGH                                SDVO_I2C_ARG_4
-# define SDVO_DTD_V_ACTIVE                              SDVO_I2C_ARG_5
-# define SDVO_DTD_V_BLANK                               SDVO_I2C_ARG_6
-# define SDVO_DTD_V_HIGH                                SDVO_I2C_ARG_7
-/* Part 2 */
-# define SDVO_DTD_HSYNC_OFF                             SDVO_I2C_ARG_0
-# define SDVO_DTD_HSYNC_WIDTH                           SDVO_I2C_ARG_1
-# define SDVO_DTD_VSYNC_OFF_WIDTH                       SDVO_I2C_ARG_2
-# define SDVO_DTD_SYNC_OFF_WIDTH_HIGH                   SDVO_I2C_ARG_3
-# define SDVO_DTD_DTD_FLAGS                             SDVO_I2C_ARG_4
-# define SDVO_DTD_DTD_FLAG_INTERLACED                           (1 << 7)
-# define SDVO_DTD_DTD_FLAG_STEREO_MASK                          (3 << 5)
-# define SDVO_DTD_DTD_FLAG_INPUT_MASK                           (3 << 3)
-# define SDVO_DTD_DTD_FLAG_SYNC_MASK                            (3 << 1)
-# define SDVO_DTD_SDVO_FLAS                             SDVO_I2C_ARG_5
-# define SDVO_DTD_SDVO_FLAG_STALL                               (1 << 7)
-# define SDVO_DTD_SDVO_FLAG_CENTERED                            (0 << 6)
-# define SDVO_DTD_SDVO_FLAG_UPPER_LEFT                          (1 << 6)
-# define SDVO_DTD_SDVO_FLAG_SCALING_MASK                        (3 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_NONE                        (0 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_SHARP                       (1 << 4)
-# define SDVO_DTD_SDVO_FLAG_SCALING_SMOOTH                      (2 << 4)
-# define SDVO_DTD_VSYNC_OFF_HIGH                        SDVO_I2C_ARG_6
-
-/**
- * Generates a DTD based on the given width, height, and flags.
- *
- * This will be supported by any device supporting scaling or interlaced
- * modes.
- */
-#define SDVO_CMD_CREATE_PREFERRED_INPUT_TIMING          0x1a
-# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_LOW          SDVO_I2C_ARG_0
-# define SDVO_PREFERRED_INPUT_TIMING_CLOCK_HIGH         SDVO_I2C_ARG_1
-# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_LOW          SDVO_I2C_ARG_2
-# define SDVO_PREFERRED_INPUT_TIMING_WIDTH_HIGH         SDVO_I2C_ARG_3
-# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_LOW         SDVO_I2C_ARG_4
-# define SDVO_PREFERRED_INPUT_TIMING_HEIGHT_HIGH        SDVO_I2C_ARG_5
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS              SDVO_I2C_ARG_6
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_INTERLACED           (1 << 0)
-# define SDVO_PREFERRED_INPUT_TIMING_FLAGS_SCALED               (1 << 1)
-
-#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART1       0x1b
-#define SDVO_CMD_GET_PREFERRED_INPUT_TIMING_PART2       0x1c
-
-/** Returns a struct psb_intel_sdvo_pixel_clock_range */
-#define SDVO_CMD_GET_INPUT_PIXEL_CLOCK_RANGE            0x1d
-/** Returns a struct psb_intel_sdvo_pixel_clock_range */
-#define SDVO_CMD_GET_OUTPUT_PIXEL_CLOCK_RANGE           0x1e
-
-/** Returns a byte bitfield containing SDVO_CLOCK_RATE_MULT_* flags */
-#define SDVO_CMD_GET_SUPPORTED_CLOCK_RATE_MULTS         0x1f
-
-/** Returns a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
-#define SDVO_CMD_GET_CLOCK_RATE_MULT                    0x20
-/** Takes a byte containing a SDVO_CLOCK_RATE_MULT_* flag */
-#define SDVO_CMD_SET_CLOCK_RATE_MULT                    0x21
-# define SDVO_CLOCK_RATE_MULT_1X                                (1 << 0)
-# define SDVO_CLOCK_RATE_MULT_2X                                (1 << 1)
-# define SDVO_CLOCK_RATE_MULT_4X                                (1 << 3)
-
-#define SDVO_CMD_GET_SUPPORTED_TV_FORMATS               0x27
-
-#define SDVO_CMD_GET_TV_FORMAT                          0x28
-
-#define SDVO_CMD_SET_TV_FORMAT                          0x29
-
-#define SDVO_CMD_GET_SUPPORTED_POWER_STATES             0x2a
-#define SDVO_CMD_GET_ENCODER_POWER_STATE                0x2b
-#define SDVO_CMD_SET_ENCODER_POWER_STATE                0x2c
-# define SDVO_ENCODER_STATE_ON                                  (1 << 0)
-# define SDVO_ENCODER_STATE_STANDBY                             (1 << 1)
-# define SDVO_ENCODER_STATE_SUSPEND                             (1 << 2)
-# define SDVO_ENCODER_STATE_OFF                                 (1 << 3)
-
-#define SDVO_CMD_SET_TV_RESOLUTION_SUPPORT              0x93
-
-#define SDVO_CMD_SET_CONTROL_BUS_SWITCH                 0x7a
-# define SDVO_CONTROL_BUS_PROM                          0x0
-# define SDVO_CONTROL_BUS_DDC1                          0x1
-# define SDVO_CONTROL_BUS_DDC2                          0x2
-# define SDVO_CONTROL_BUS_DDC3                          0x3
-
-/* SDVO Bus & SDVO Inputs wiring details*/
-/* Bit 0: Is SDVOB connected to In0 (1 = yes, 0 = no*/
-/* Bit 1: Is SDVOB connected to In1 (1 = yes, 0 = no*/
-/* Bit 2: Is SDVOC connected to In0 (1 = yes, 0 = no*/
-/* Bit 3: Is SDVOC connected to In1 (1 = yes, 0 = no*/
-#define SDVOB_IN0 0x01
-#define SDVOB_IN1 0x02
-#define SDVOC_IN0 0x04
-#define SDVOC_IN1 0x08
-
-#define SDVO_DEVICE_NONE 0x00
-#define        SDVO_DEVICE_CRT 0x01
-#define        SDVO_DEVICE_TV 0x02
-#define        SDVO_DEVICE_LVDS 0x04
-#define        SDVO_DEVICE_TMDS 0x08
-
diff --git a/drivers/staging/gma500/psb_irq.c b/drivers/staging/gma500/psb_irq.c
deleted file mode 100644
index 36dd63044b06..000000000000
--- a/drivers/staging/gma500/psb_irq.c
+++ /dev/null
@@ -1,627 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
- * develop this driver.
- *
- **************************************************************************/
-/*
- */
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include "power.h"
-#include "mdfld_output.h"
-
-/*
- * inline functions
- */
-
-static inline u32
-psb_pipestat(int pipe)
-{
-        if (pipe == 0)
-                return PIPEASTAT;
-        if (pipe == 1)
-                return PIPEBSTAT;
-        if (pipe == 2)
-                return PIPECSTAT;
-        BUG();
-}
-
-static inline u32
-mid_pipe_event(int pipe)
-{
-        if (pipe == 0)
-                return _PSB_PIPEA_EVENT_FLAG;
-        if (pipe == 1)
-                return _MDFLD_PIPEB_EVENT_FLAG;
-        if (pipe == 2)
-                return _MDFLD_PIPEC_EVENT_FLAG;
-        BUG();
-}
-
-static inline u32
-mid_pipe_vsync(int pipe)
-{
-        if (pipe == 0)
-                return _PSB_VSYNC_PIPEA_FLAG;
-        if (pipe == 1)
-                return _PSB_VSYNC_PIPEB_FLAG;
-        if (pipe == 2)
-                return _MDFLD_PIPEC_VBLANK_FLAG;
-        BUG();
-}
-
-static inline u32
-mid_pipeconf(int pipe)
-{
-        if (pipe == 0)
-                return PIPEACONF;
-        if (pipe == 1)
-                return PIPEBCONF;
-        if (pipe == 2)
-                return PIPECCONF;
-        BUG();
-}
-
-void
-psb_enable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
-{
-        if ((dev_priv->pipestat[pipe] & mask) != mask) {
-                u32 reg = psb_pipestat(pipe);
-                dev_priv->pipestat[pipe] |= mask;
-                /* Enable the interrupt, clear any pending status */
-                if (gma_power_begin(dev_priv->dev, false)) {
-                        u32 writeVal = PSB_RVDC32(reg);
-                        writeVal |= (mask | (mask >> 16));
-                        PSB_WVDC32(writeVal, reg);
-                        (void) PSB_RVDC32(reg);
-                        gma_power_end(dev_priv->dev);
-                }
-        }
-}
-
-void
-psb_disable_pipestat(struct drm_psb_private *dev_priv, int pipe, u32 mask)
-{
-        if ((dev_priv->pipestat[pipe] & mask) != 0) {
-                u32 reg = psb_pipestat(pipe);
-                dev_priv->pipestat[pipe] &= ~mask;
-                if (gma_power_begin(dev_priv->dev, false)) {
-                        u32 writeVal = PSB_RVDC32(reg);
-                        writeVal &= ~mask;
-                        PSB_WVDC32(writeVal, reg);
-                        (void) PSB_RVDC32(reg);
-                        gma_power_end(dev_priv->dev);
-                }
-        }
-}
-
-void mid_enable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-        if (gma_power_begin(dev_priv->dev, false)) {
-                u32 pipe_event = mid_pipe_event(pipe);
-                dev_priv->vdc_irq_mask |= pipe_event;
-                PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-                PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-                gma_power_end(dev_priv->dev);
-        }
-}
-
-void mid_disable_pipe_event(struct drm_psb_private *dev_priv, int pipe)
-{
-        if (dev_priv->pipestat[pipe] == 0) {
-                if (gma_power_begin(dev_priv->dev, false)) {
-                        u32 pipe_event = mid_pipe_event(pipe);
-                        dev_priv->vdc_irq_mask &= ~pipe_event;
-                        PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-                        PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-                        gma_power_end(dev_priv->dev);
-                }
-        }
-}
-
-/**
- * Display controller interrupt handler for pipe event.
- *
- */
-static void mid_pipe_event_handler(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-
-        uint32_t pipe_stat_val = 0;
-        uint32_t pipe_stat_reg = psb_pipestat(pipe);
-        uint32_t pipe_enable = dev_priv->pipestat[pipe];
-        uint32_t pipe_status = dev_priv->pipestat[pipe] >> 16;
-        uint32_t pipe_clear;
-        uint32_t i = 0;
-
-        spin_lock(&dev_priv->irqmask_lock);
-
-        pipe_stat_val = PSB_RVDC32(pipe_stat_reg);
-        pipe_stat_val &= pipe_enable | pipe_status;
-        pipe_stat_val &= pipe_stat_val >> 16;
-
-        spin_unlock(&dev_priv->irqmask_lock);
-
-        /* Clear the 2nd level interrupt status bits
-         * Sometimes the bits are very sticky so we repeat until they unstick */
-        for (i = 0; i < 0xffff; i++) {
-                PSB_WVDC32(PSB_RVDC32(pipe_stat_reg), pipe_stat_reg);
-                pipe_clear = PSB_RVDC32(pipe_stat_reg) & pipe_status;
-
-                if (pipe_clear == 0)
-                        break;
-        }
-
-        if (pipe_clear)
-                dev_err(dev->dev,
-                "%s, can't clear status bits for pipe %d, its value = 0x%x.\n",
-                __func__, pipe, PSB_RVDC32(pipe_stat_reg));
-
-        if (pipe_stat_val & PIPE_VBLANK_STATUS)
-                drm_handle_vblank(dev, pipe);
-
-        if (pipe_stat_val & PIPE_TE_STATUS)
-                drm_handle_vblank(dev, pipe);
-}
-
-/*
- * Display controller interrupt handler.
- */
-static void psb_vdc_interrupt(struct drm_device *dev, uint32_t vdc_stat)
-{
-        if (vdc_stat & _PSB_VSYNC_PIPEA_FLAG)
-                mid_pipe_event_handler(dev, 0);
-
-        if (vdc_stat & _PSB_VSYNC_PIPEB_FLAG)
-                mid_pipe_event_handler(dev, 1);
-}
-
-irqreturn_t psb_irq_handler(DRM_IRQ_ARGS)
-{
-        struct drm_device *dev = (struct drm_device *) arg;
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-
-        uint32_t vdc_stat, dsp_int = 0, sgx_int = 0;
-        int handled = 0;
-
-        spin_lock(&dev_priv->irqmask_lock);
-
-        vdc_stat = PSB_RVDC32(PSB_INT_IDENTITY_R);
-
-        if (vdc_stat & _PSB_PIPE_EVENT_FLAG)
-                dsp_int = 1;
-
-        /* FIXME: Handle Medfield
-        if (vdc_stat & _MDFLD_DISP_ALL_IRQ_FLAG)
-                dsp_int = 1;
-        */
-
-        if (vdc_stat & _PSB_IRQ_SGX_FLAG)
-                sgx_int = 1;
-
-        vdc_stat &= dev_priv->vdc_irq_mask;
-        spin_unlock(&dev_priv->irqmask_lock);
-
-        if (dsp_int && gma_power_is_on(dev)) {
-                psb_vdc_interrupt(dev, vdc_stat);
-                handled = 1;
-        }
-
-        if (sgx_int) {
-                /* Not expected - we have it masked, shut it up */
-                u32 s, s2;
-                s = PSB_RSGX32(PSB_CR_EVENT_STATUS);
-                s2 = PSB_RSGX32(PSB_CR_EVENT_STATUS2);
-                PSB_WSGX32(s, PSB_CR_EVENT_HOST_CLEAR);
-                PSB_WSGX32(s2, PSB_CR_EVENT_HOST_CLEAR2);
-                /* if s & _PSB_CE_TWOD_COMPLETE we have 2D done but
-                   we may as well poll even if we add that ! */
-                handled = 1;
-        }
-
-        PSB_WVDC32(vdc_stat, PSB_INT_IDENTITY_R);
-        (void) PSB_RVDC32(PSB_INT_IDENTITY_R);
-        DRM_READMEMORYBARRIER();
-
-        if (!handled)
-                return IRQ_NONE;
-
-        return IRQ_HANDLED;
-}
-
-void psb_irq_preinstall(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-        unsigned long irqflags;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-        if (gma_power_is_on(dev))
-                PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-        if (dev->vblank_enabled[0])
-                dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
-        if (dev->vblank_enabled[1])
-                dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
-
-        /* FIXME: Handle Medfield irq mask
-        if (dev->vblank_enabled[1])
-                dev_priv->vdc_irq_mask |= _MDFLD_PIPEB_EVENT_FLAG;
-        if (dev->vblank_enabled[2])
-                dev_priv->vdc_irq_mask |= _MDFLD_PIPEC_EVENT_FLAG;
-        */
-
-        /* This register is safe even if display island is off */
-        PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-int psb_irq_postinstall(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-        unsigned long irqflags;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-        /* This register is safe even if display island is off */
-        PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-        PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-
-        if (dev->vblank_enabled[0])
-                psb_enable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-        else
-                psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        if (dev->vblank_enabled[1])
-                psb_enable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-        else
-                psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        if (dev->vblank_enabled[2])
-                psb_enable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-        else
-                psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-        return 0;
-}
-
-void psb_irq_uninstall(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-        unsigned long irqflags;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-        PSB_WVDC32(0xFFFFFFFF, PSB_HWSTAM);
-
-        if (dev->vblank_enabled[0])
-                psb_disable_pipestat(dev_priv, 0, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        if (dev->vblank_enabled[1])
-                psb_disable_pipestat(dev_priv, 1, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        if (dev->vblank_enabled[2])
-                psb_disable_pipestat(dev_priv, 2, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        dev_priv->vdc_irq_mask &= _PSB_IRQ_SGX_FLAG |
-                                  _PSB_IRQ_MSVDX_FLAG |
-                                  _LNC_IRQ_TOPAZ_FLAG;
-
-        /* These two registers are safe even if display island is off */
-        PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-        PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-
-        wmb();
-
-        /* This register is safe even if display island is off */
-        PSB_WVDC32(PSB_RVDC32(PSB_INT_IDENTITY_R), PSB_INT_IDENTITY_R);
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-void psb_irq_turn_on_dpst(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-                (struct drm_psb_private *) dev->dev_private;
-        u32 hist_reg;
-        u32 pwm_reg;
-
-        if (gma_power_begin(dev, false)) {
-                PSB_WVDC32(1 << 31, HISTOGRAM_LOGIC_CONTROL);
-                hist_reg = PSB_RVDC32(HISTOGRAM_LOGIC_CONTROL);
-                PSB_WVDC32(1 << 31, HISTOGRAM_INT_CONTROL);
-                hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-                PSB_WVDC32(0x80010100, PWM_CONTROL_LOGIC);
-                pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-                PSB_WVDC32(pwm_reg | PWM_PHASEIN_ENABLE
-                                                | PWM_PHASEIN_INT_ENABLE,
-                                                           PWM_CONTROL_LOGIC);
-                pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-                psb_enable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-                hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-                PSB_WVDC32(hist_reg | HISTOGRAM_INT_CTRL_CLEAR,
-                                                        HISTOGRAM_INT_CONTROL);
-                pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-                PSB_WVDC32(pwm_reg | 0x80010100 | PWM_PHASEIN_ENABLE,
-                                                        PWM_CONTROL_LOGIC);
-
-                gma_power_end(dev);
-        }
-}
-
-int psb_irq_enable_dpst(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-                (struct drm_psb_private *) dev->dev_private;
-        unsigned long irqflags;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-        /* enable DPST */
-        mid_enable_pipe_event(dev_priv, 0);
-        psb_irq_turn_on_dpst(dev);
-
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-        return 0;
-}
-
-void psb_irq_turn_off_dpst(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-        u32 hist_reg;
-        u32 pwm_reg;
-
-        if (gma_power_begin(dev, false)) {
-                PSB_WVDC32(0x00000000, HISTOGRAM_INT_CONTROL);
-                hist_reg = PSB_RVDC32(HISTOGRAM_INT_CONTROL);
-
-                psb_disable_pipestat(dev_priv, 0, PIPE_DPST_EVENT_ENABLE);
-
-                pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-                PSB_WVDC32(pwm_reg & !(PWM_PHASEIN_INT_ENABLE),
-                                                        PWM_CONTROL_LOGIC);
-                pwm_reg = PSB_RVDC32(PWM_CONTROL_LOGIC);
-
-                gma_power_end(dev);
-        }
-}
-
-int psb_irq_disable_dpst(struct drm_device *dev)
-{
-        struct drm_psb_private *dev_priv =
-            (struct drm_psb_private *) dev->dev_private;
-        unsigned long irqflags;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-        mid_disable_pipe_event(dev_priv, 0);
-        psb_irq_turn_off_dpst(dev);
-
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
-        return 0;
-}
-
-#ifdef PSB_FIXME
-static int psb_vblank_do_wait(struct drm_device *dev,
-                              unsigned int *sequence, atomic_t *counter)
-{
-        unsigned int cur_vblank;
-        int ret = 0;
-        DRM_WAIT_ON(ret, dev->vbl_queue, 3 * DRM_HZ,
-                    (((cur_vblank = atomic_read(counter))
-                      - *sequence) <= (1 << 23)));
-        *sequence = cur_vblank;
-
-        return ret;
-}
-#endif
-
-/*
- * It is used to enable VBLANK interrupt
- */
-int psb_enable_vblank(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long irqflags;
-        uint32_t reg_val = 0;
-        uint32_t pipeconf_reg = mid_pipeconf(pipe);
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-        /* Medfield is different - we should perhaps extract out vblank
-           and blacklight etc ops */
-        if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
-                return mdfld_enable_te(dev, pipe);
-#endif
-        if (gma_power_begin(dev, false)) {
-                reg_val = REG_READ(pipeconf_reg);
-                gma_power_end(dev);
-        }
-
-        if (!(reg_val & PIPEACONF_ENABLE))
-                return -EINVAL;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-        if (pipe == 0)
-                dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEA_FLAG;
-        else if (pipe == 1)
-                dev_priv->vdc_irq_mask |= _PSB_VSYNC_PIPEB_FLAG;
-
-        PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-        PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-        psb_enable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-
-        return 0;
-}
-
-/*
- * It is used to disable VBLANK interrupt
- */
-void psb_disable_vblank(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long irqflags;
-
-#if defined(CONFIG_DRM_PSB_MFLD)
-        if (IS_MFLD(dev) && !mdfld_panel_dpi(dev))
-                mdfld_disable_te(dev, pipe);
-#endif
-        spin_lock_irqsave(&dev_priv->irqmask_lock, irqflags);
-
-        if (pipe == 0)
-                dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEA_FLAG;
-        else if (pipe == 1)
-                dev_priv->vdc_irq_mask &= ~_PSB_VSYNC_PIPEB_FLAG;
-
-        PSB_WVDC32(~dev_priv->vdc_irq_mask, PSB_INT_MASK_R);
-        PSB_WVDC32(dev_priv->vdc_irq_mask, PSB_INT_ENABLE_R);
-        psb_disable_pipestat(dev_priv, pipe, PIPE_VBLANK_INTERRUPT_ENABLE);
-
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, irqflags);
-}
-
-/**
- *      mdfld_enable_te         -       enable TE events
- *      @dev: our DRM device
- *      @pipe: which pipe to work on
- *
- *      Enable TE events on a Medfield display pipe. Medfield specific.
- */
-int mdfld_enable_te(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long flags;
-        uint32_t reg_val = 0;
-        uint32_t pipeconf_reg = mid_pipeconf(pipe);
-
-        if (gma_power_begin(dev, false)) {
-                reg_val = REG_READ(pipeconf_reg);
-                gma_power_end(dev);
-        }
-
-        if (!(reg_val & PIPEACONF_ENABLE))
-                return -EINVAL;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, flags);
-
-        mid_enable_pipe_event(dev_priv, pipe);
-        psb_enable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags);
-
-        return 0;
-}
-
-/**
- *      mdfld_disable_te                -       disable TE events
- *      @dev: our DRM device
- *      @pipe: which pipe to work on
- *
- *      Disable TE events on a Medfield display pipe. Medfield specific.
- */
-void mdfld_disable_te(struct drm_device *dev, int pipe)
-{
-        struct drm_psb_private *dev_priv = dev->dev_private;
-        unsigned long flags;
-
-        spin_lock_irqsave(&dev_priv->irqmask_lock, flags);
-
-        mid_disable_pipe_event(dev_priv, pipe);
-        psb_disable_pipestat(dev_priv, pipe, PIPE_TE_ENABLE);
-
-        spin_unlock_irqrestore(&dev_priv->irqmask_lock, flags);
-}
-
-/* Called from drm generic code, passed a 'crtc', which
- * we use as a pipe index
- */
-u32 psb_get_vblank_counter(struct drm_device *dev, int pipe)
-{
-        uint32_t high_frame = PIPEAFRAMEHIGH;
-        uint32_t low_frame = PIPEAFRAMEPIXEL;
-        uint32_t pipeconf_reg = PIPEACONF;
-        uint32_t reg_val = 0;
-        uint32_t high1 = 0, high2 = 0, low = 0, count = 0;
-
-        switch (pipe) {
-        case 0:
-                break;
-        case 1:
-                high_frame = PIPEBFRAMEHIGH;
-                low_frame = PIPEBFRAMEPIXEL;
-                pipeconf_reg = PIPEBCONF;
-                break;
-        case 2:
-                high_frame = PIPECFRAMEHIGH;
-                low_frame = PIPECFRAMEPIXEL;
-                pipeconf_reg = PIPECCONF;
-                break;
-        default:
-                dev_err(dev->dev, "%s, invalid pipe.\n", __func__);
-                return 0;
-        }
-
-        if (!gma_power_begin(dev, false))
-                return 0;
-
-        reg_val = REG_READ(pipeconf_reg);
-
-        if (!(reg_val & PIPEACONF_ENABLE)) {
-                dev_err(dev->dev, "trying to get vblank count for disabled pipe %d\n",
-                                                                pipe);
-                goto psb_get_vblank_counter_exit;
-        }
-
-        /*
-         * High & low register fields aren't synchronized, so make sure
-         * we get a low value that's stable across two reads of the high
-         * register.
-         */
-        do {
-                high1 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
-                         PIPE_FRAME_HIGH_SHIFT);
-                low =  ((REG_READ(low_frame) & PIPE_FRAME_LOW_MASK) >>
-                        PIPE_FRAME_LOW_SHIFT);
-                high2 = ((REG_READ(high_frame) & PIPE_FRAME_HIGH_MASK) >>
-                         PIPE_FRAME_HIGH_SHIFT);
-        } while (high1 != high2);
-
-        count = (high1 << 8) | low;
-
-psb_get_vblank_counter_exit:
-
-        gma_power_end(dev);
-
-        return count;
-}
-
diff --git a/drivers/staging/gma500/psb_irq.h b/drivers/staging/gma500/psb_irq.h
deleted file mode 100644
index 216fda38b57d..000000000000
--- a/drivers/staging/gma500/psb_irq.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2009-2011, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors:
- *    Benjamin Defnet <benjamin.r.defnet@intel.com>
- *    Rajesh Poornachandran <rajesh.poornachandran@intel.com>
- *
- **************************************************************************/
-
-#ifndef _SYSIRQ_H_
-#define _SYSIRQ_H_
-
-#include <drm/drmP.h>
-
-bool sysirq_init(struct drm_device *dev);
-void sysirq_uninit(struct drm_device *dev);
-
-void psb_irq_preinstall(struct drm_device *dev);
-int  psb_irq_postinstall(struct drm_device *dev);
-void psb_irq_uninstall(struct drm_device *dev);
-irqreturn_t psb_irq_handler(DRM_IRQ_ARGS);
-
-int psb_irq_enable_dpst(struct drm_device *dev);
-int psb_irq_disable_dpst(struct drm_device *dev);
-void psb_irq_turn_on_dpst(struct drm_device *dev);
-void psb_irq_turn_off_dpst(struct drm_device *dev);
-int  psb_enable_vblank(struct drm_device *dev, int pipe);
-void psb_disable_vblank(struct drm_device *dev, int pipe);
-u32  psb_get_vblank_counter(struct drm_device *dev, int pipe);
-
-#endif /* _SYSIRQ_H_ */
diff --git a/drivers/staging/gma500/psb_lid.c b/drivers/staging/gma500/psb_lid.c
deleted file mode 100644
index b867aabe6bf3..000000000000
--- a/drivers/staging/gma500/psb_lid.c
+++ /dev/null
@@ -1,88 +0,0 @@
-/**************************************************************************
- * Copyright (c) 2007, Intel Corporation.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Authors: Thomas Hellstrom <thomas-at-tungstengraphics-dot-com>
- **************************************************************************/
-
-#include <drm/drmP.h>
-#include "psb_drv.h"
-#include "psb_reg.h"
-#include "psb_intel_reg.h"
-#include <linux/spinlock.h>
-
-static void psb_lid_timer_func(unsigned long data)
-{
-        struct drm_psb_private * dev_priv = (struct drm_psb_private *)data;
-        struct drm_device *dev = (struct drm_device *)dev_priv->dev;
-        struct timer_list *lid_timer = &dev_priv->lid_timer;
-        unsigned long irq_flags;
-        u32 *lid_state = dev_priv->lid_state;
-        u32 pp_status;
-
-        if (readl(lid_state) == dev_priv->lid_last_state)
-                goto lid_timer_schedule;
-
-        if ((readl(lid_state)) & 0x01) {
-                /*lid state is open*/
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) | POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while ((pp_status & PP_ON) == 0);
-
-                /*FIXME: should be backlight level before*/
-                psb_intel_lvds_set_brightness(dev, 100);
-        } else {
-                psb_intel_lvds_set_brightness(dev, 0);
-
-                REG_WRITE(PP_CONTROL, REG_READ(PP_CONTROL) & ~POWER_TARGET_ON);
-                do {
-                        pp_status = REG_READ(PP_STATUS);
-                } while ((pp_status & PP_ON) == 0);
-        }
-        dev_priv->lid_last_state =  readl(lid_state);
-
-lid_timer_schedule:
-        spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
-        if (!timer_pending(lid_timer)) {
-                lid_timer->expires = jiffies + PSB_LID_DELAY;
-                add_timer(lid_timer);
-        }
-        spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
-}
-
-void psb_lid_timer_init(struct drm_psb_private *dev_priv)
-{
-        struct timer_list *lid_timer = &dev_priv->lid_timer;
-        unsigned long irq_flags;
-
-        spin_lock_init(&dev_priv->lid_lock);
-        spin_lock_irqsave(&dev_priv->lid_lock, irq_flags);
-
-        init_timer(lid_timer);
-
-        lid_timer->data = (unsigned long)dev_priv;
-        lid_timer->function = psb_lid_timer_func;
-        lid_timer->expires = jiffies + PSB_LID_DELAY;
-
-        add_timer(lid_timer);
-        spin_unlock_irqrestore(&dev_priv->lid_lock, irq_flags);
-}
-
-void psb_lid_timer_takedown(struct drm_psb_private *dev_priv)
-{
-        del_timer_sync(&dev_priv->lid_timer);
-}
-
diff --git a/drivers/staging/gma500/psb_reg.h b/drivers/staging/gma500/psb_reg.h
deleted file mode 100644
index b81c7c1e9c2d..000000000000
--- a/drivers/staging/gma500/psb_reg.h
+++ /dev/null
@@ -1,582 +0,0 @@
-/**************************************************************************
- *
- * Copyright (c) (2005-2007) Imagination Technologies Limited.
- * Copyright (c) 2007, Intel Corporation.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms and conditions of the GNU General Public License,
- * version 2, as published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA..
- *
- **************************************************************************/
-
-#ifndef _PSB_REG_H_
-#define _PSB_REG_H_
-
-#define PSB_CR_CLKGATECTL               0x0000
-#define _PSB_C_CLKGATECTL_AUTO_MAN_REG          (1 << 24)
-#define _PSB_C_CLKGATECTL_USE_CLKG_SHIFT        (20)
-#define _PSB_C_CLKGATECTL_USE_CLKG_MASK         (0x3 << 20)
-#define _PSB_C_CLKGATECTL_DPM_CLKG_SHIFT        (16)
-#define _PSB_C_CLKGATECTL_DPM_CLKG_MASK         (0x3 << 16)
-#define _PSB_C_CLKGATECTL_TA_CLKG_SHIFT         (12)
-#define _PSB_C_CLKGATECTL_TA_CLKG_MASK          (0x3 << 12)
-#define _PSB_C_CLKGATECTL_TSP_CLKG_SHIFT        (8)
-#define _PSB_C_CLKGATECTL_TSP_CLKG_MASK         (0x3 << 8)
-#define _PSB_C_CLKGATECTL_ISP_CLKG_SHIFT        (4)
-#define _PSB_C_CLKGATECTL_ISP_CLKG_MASK         (0x3 << 4)
-#define _PSB_C_CLKGATECTL_2D_CLKG_SHIFT         (0)
-#define _PSB_C_CLKGATECTL_2D_CLKG_MASK          (0x3 << 0)
-#define _PSB_C_CLKGATECTL_CLKG_ENABLED          (0)
-#define _PSB_C_CLKGATECTL_CLKG_DISABLED         (1)
-#define _PSB_C_CLKGATECTL_CLKG_AUTO             (2)
-
-#define PSB_CR_CORE_ID                  0x0010
-#define _PSB_CC_ID_ID_SHIFT                     (16)
-#define _PSB_CC_ID_ID_MASK                      (0xFFFF << 16)
-#define _PSB_CC_ID_CONFIG_SHIFT                 (0)
-#define _PSB_CC_ID_CONFIG_MASK                  (0xFFFF << 0)
-
-#define PSB_CR_CORE_REVISION            0x0014
-#define _PSB_CC_REVISION_DESIGNER_SHIFT         (24)
-#define _PSB_CC_REVISION_DESIGNER_MASK          (0xFF << 24)
-#define _PSB_CC_REVISION_MAJOR_SHIFT            (16)
-#define _PSB_CC_REVISION_MAJOR_MASK             (0xFF << 16)
-#define _PSB_CC_REVISION_MINOR_SHIFT            (8)
-#define _PSB_CC_REVISION_MINOR_MASK             (0xFF << 8)
-#define _PSB_CC_REVISION_MAINTENANCE_SHIFT      (0)
-#define _PSB_CC_REVISION_MAINTENANCE_MASK       (0xFF << 0)
-
-#define PSB_CR_DESIGNER_REV_FIELD1      0x0018
-
-#define PSB_CR_SOFT_RESET               0x0080
-#define _PSB_CS_RESET_TSP_RESET         (1 << 6)
-#define _PSB_CS_RESET_ISP_RESET         (1 << 5)
-#define _PSB_CS_RESET_USE_RESET         (1 << 4)
-#define _PSB_CS_RESET_TA_RESET          (1 << 3)
-#define _PSB_CS_RESET_DPM_RESET         (1 << 2)
-#define _PSB_CS_RESET_TWOD_RESET        (1 << 1)
-#define _PSB_CS_RESET_BIF_RESET                 (1 << 0)
-
-#define PSB_CR_DESIGNER_REV_FIELD2      0x001C
-
-#define PSB_CR_EVENT_HOST_ENABLE2       0x0110
-
-#define PSB_CR_EVENT_STATUS2            0x0118
-
-#define PSB_CR_EVENT_HOST_CLEAR2        0x0114
-#define _PSB_CE2_BIF_REQUESTER_FAULT            (1 << 4)
-
-#define PSB_CR_EVENT_STATUS             0x012C
-
-#define PSB_CR_EVENT_HOST_ENABLE        0x0130
-
-#define PSB_CR_EVENT_HOST_CLEAR         0x0134
-#define _PSB_CE_MASTER_INTERRUPT                (1 << 31)
-#define _PSB_CE_TA_DPM_FAULT                    (1 << 28)
-#define _PSB_CE_TWOD_COMPLETE                   (1 << 27)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_ZLS           (1 << 25)
-#define _PSB_CE_DPM_TA_MEM_FREE                 (1 << 24)
-#define _PSB_CE_PIXELBE_END_RENDER              (1 << 18)
-#define _PSB_CE_SW_EVENT                        (1 << 14)
-#define _PSB_CE_TA_FINISHED                     (1 << 13)
-#define _PSB_CE_TA_TERMINATE                    (1 << 12)
-#define _PSB_CE_DPM_REACHED_MEM_THRESH          (1 << 3)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_GBL           (1 << 2)
-#define _PSB_CE_DPM_OUT_OF_MEMORY_MT            (1 << 1)
-#define _PSB_CE_DPM_3D_MEM_FREE                 (1 << 0)
-
-
-#define PSB_USE_OFFSET_MASK             0x0007FFFF
-#define PSB_USE_OFFSET_SIZE             (PSB_USE_OFFSET_MASK + 1)
-#define PSB_CR_USE_CODE_BASE0           0x0A0C
-#define PSB_CR_USE_CODE_BASE1           0x0A10
-#define PSB_CR_USE_CODE_BASE2           0x0A14
-#define PSB_CR_USE_CODE_BASE3           0x0A18
-#define PSB_CR_USE_CODE_BASE4           0x0A1C
-#define PSB_CR_USE_CODE_BASE5           0x0A20
-#define PSB_CR_USE_CODE_BASE6           0x0A24
-#define PSB_CR_USE_CODE_BASE7           0x0A28
-#define PSB_CR_USE_CODE_BASE8           0x0A2C
-#define PSB_CR_USE_CODE_BASE9           0x0A30
-#define PSB_CR_USE_CODE_BASE10          0x0A34
-#define PSB_CR_USE_CODE_BASE11          0x0A38
-#define PSB_CR_USE_CODE_BASE12          0x0A3C
-#define PSB_CR_USE_CODE_BASE13          0x0A40
-#define PSB_CR_USE_CODE_BASE14          0x0A44
-#define PSB_CR_USE_CODE_BASE15          0x0A48
-#define PSB_CR_USE_CODE_BASE(_i)        (0x0A0C + ((_i) << 2))
-#define _PSB_CUC_BASE_DM_SHIFT                  (25)
-#define _PSB_CUC_BASE_DM_MASK                   (0x3 << 25)
-#define _PSB_CUC_BASE_ADDR_SHIFT                (0)     /* 1024-bit aligned address? */
-#define _PSB_CUC_BASE_ADDR_ALIGNSHIFT           (7)
-#define _PSB_CUC_BASE_ADDR_MASK                 (0x1FFFFFF << 0)
-#define _PSB_CUC_DM_VERTEX                      (0)
-#define _PSB_CUC_DM_PIXEL                       (1)
-#define _PSB_CUC_DM_RESERVED                    (2)
-#define _PSB_CUC_DM_EDM                         (3)
-
-#define PSB_CR_PDS_EXEC_BASE            0x0AB8
-#define _PSB_CR_PDS_EXEC_BASE_ADDR_SHIFT        (20)    /* 1MB aligned address */
-#define _PSB_CR_PDS_EXEC_BASE_ADDR_ALIGNSHIFT   (20)
-
-#define PSB_CR_EVENT_KICKER             0x0AC4
-#define _PSB_CE_KICKER_ADDRESS_SHIFT            (4)     /* 128-bit aligned address */
-
-#define PSB_CR_EVENT_KICK               0x0AC8
-#define _PSB_CE_KICK_NOW                        (1 << 0)
-
-#define PSB_CR_BIF_DIR_LIST_BASE1       0x0C38
-
-#define PSB_CR_BIF_CTRL                 0x0C00
-#define _PSB_CB_CTRL_CLEAR_FAULT                (1 << 4)
-#define _PSB_CB_CTRL_INVALDC                    (1 << 3)
-#define _PSB_CB_CTRL_FLUSH                      (1 << 2)
-
-#define PSB_CR_BIF_INT_STAT             0x0C04
-
-#define PSB_CR_BIF_FAULT                0x0C08
-#define _PSB_CBI_STAT_PF_N_RW                   (1 << 14)
-#define _PSB_CBI_STAT_FAULT_SHIFT               (0)
-#define _PSB_CBI_STAT_FAULT_MASK                (0x3FFF << 0)
-#define _PSB_CBI_STAT_FAULT_CACHE               (1 << 1)
-#define _PSB_CBI_STAT_FAULT_TA                  (1 << 2)
-#define _PSB_CBI_STAT_FAULT_VDM                 (1 << 3)
-#define _PSB_CBI_STAT_FAULT_2D                  (1 << 4)
-#define _PSB_CBI_STAT_FAULT_PBE                 (1 << 5)
-#define _PSB_CBI_STAT_FAULT_TSP                 (1 << 6)
-#define _PSB_CBI_STAT_FAULT_ISP                 (1 << 7)
-#define _PSB_CBI_STAT_FAULT_USSEPDS             (1 << 8)
-#define _PSB_CBI_STAT_FAULT_HOST                (1 << 9)
-
-#define PSB_CR_BIF_BANK0                0x0C78
-#define PSB_CR_BIF_BANK1                0x0C7C
-#define PSB_CR_BIF_DIR_LIST_BASE0       0x0C84
-#define PSB_CR_BIF_TWOD_REQ_BASE        0x0C88
-#define PSB_CR_BIF_3D_REQ_BASE          0x0CAC
-
-#define PSB_CR_2D_SOCIF                 0x0E18
-#define _PSB_C2_SOCIF_FREESPACE_SHIFT           (0)
-#define _PSB_C2_SOCIF_FREESPACE_MASK            (0xFF << 0)
-#define _PSB_C2_SOCIF_EMPTY                     (0x80 << 0)
-
-#define PSB_CR_2D_BLIT_STATUS           0x0E04
-#define _PSB_C2B_STATUS_BUSY                    (1 << 24)
-#define _PSB_C2B_STATUS_COMPLETE_SHIFT          (0)
-#define _PSB_C2B_STATUS_COMPLETE_MASK           (0xFFFFFF << 0)
-
-/*
- * 2D defs.
- */
-
-/*
- * 2D Slave Port Data : Block Header's Object Type
- */
-
-#define PSB_2D_CLIP_BH                  (0x00000000)
-#define PSB_2D_PAT_BH                   (0x10000000)
-#define PSB_2D_CTRL_BH                  (0x20000000)
-#define PSB_2D_SRC_OFF_BH               (0x30000000)
-#define PSB_2D_MASK_OFF_BH              (0x40000000)
-#define PSB_2D_RESERVED1_BH             (0x50000000)
-#define PSB_2D_RESERVED2_BH             (0x60000000)
-#define PSB_2D_FENCE_BH                 (0x70000000)
-#define PSB_2D_BLIT_BH                  (0x80000000)
-#define PSB_2D_SRC_SURF_BH              (0x90000000)
-#define PSB_2D_DST_SURF_BH              (0xA0000000)
-#define PSB_2D_PAT_SURF_BH              (0xB0000000)
-#define PSB_2D_SRC_PAL_BH               (0xC0000000)
-#define PSB_2D_PAT_PAL_BH               (0xD0000000)
-#define PSB_2D_MASK_SURF_BH             (0xE0000000)
-#define PSB_2D_FLUSH_BH                 (0xF0000000)
-
-/*
- * Clip Definition block (PSB_2D_CLIP_BH)
- */
-#define PSB_2D_CLIPCOUNT_MAX            (1)
-#define PSB_2D_CLIPCOUNT_MASK           (0x00000000)
-#define PSB_2D_CLIPCOUNT_CLRMASK        (0xFFFFFFFF)
-#define PSB_2D_CLIPCOUNT_SHIFT          (0)
-/* clip rectangle min & max */
-#define PSB_2D_CLIP_XMAX_MASK           (0x00FFF000)
-#define PSB_2D_CLIP_XMAX_CLRMASK        (0xFF000FFF)
-#define PSB_2D_CLIP_XMAX_SHIFT          (12)
-#define PSB_2D_CLIP_XMIN_MASK           (0x00000FFF)
-#define PSB_2D_CLIP_XMIN_CLRMASK        (0x00FFF000)
-#define PSB_2D_CLIP_XMIN_SHIFT          (0)
-/* clip rectangle offset */
-#define PSB_2D_CLIP_YMAX_MASK           (0x00FFF000)
-#define PSB_2D_CLIP_YMAX_CLRMASK        (0xFF000FFF)
-#define PSB_2D_CLIP_YMAX_SHIFT          (12)
-#define PSB_2D_CLIP_YMIN_MASK           (0x00000FFF)
-#define PSB_2D_CLIP_YMIN_CLRMASK        (0x00FFF000)
-#define PSB_2D_CLIP_YMIN_SHIFT          (0)
-
-/*
- * Pattern Control (PSB_2D_PAT_BH)
- */
-#define PSB_2D_PAT_HEIGHT_MASK          (0x0000001F)
-#define PSB_2D_PAT_HEIGHT_SHIFT         (0)
-#define PSB_2D_PAT_WIDTH_MASK           (0x000003E0)
-#define PSB_2D_PAT_WIDTH_SHIFT          (5)
-#define PSB_2D_PAT_YSTART_MASK          (0x00007C00)
-#define PSB_2D_PAT_YSTART_SHIFT         (10)
-#define PSB_2D_PAT_XSTART_MASK          (0x000F8000)
-#define PSB_2D_PAT_XSTART_SHIFT         (15)
-
-/*
- * 2D Control block (PSB_2D_CTRL_BH)
- */
-/* Present Flags */
-#define PSB_2D_SRCCK_CTRL               (0x00000001)
-#define PSB_2D_DSTCK_CTRL               (0x00000002)
-#define PSB_2D_ALPHA_CTRL               (0x00000004)
-/* Colour Key Colour (SRC/DST)*/
-#define PSB_2D_CK_COL_MASK              (0xFFFFFFFF)
-#define PSB_2D_CK_COL_CLRMASK           (0x00000000)
-#define PSB_2D_CK_COL_SHIFT             (0)
-/* Colour Key Mask (SRC/DST)*/
-#define PSB_2D_CK_MASK_MASK             (0xFFFFFFFF)
-#define PSB_2D_CK_MASK_CLRMASK          (0x00000000)
-#define PSB_2D_CK_MASK_SHIFT            (0)
-/* Alpha Control (Alpha/RGB)*/
-#define PSB_2D_GBLALPHA_MASK            (0x000FF000)
-#define PSB_2D_GBLALPHA_CLRMASK         (0xFFF00FFF)
-#define PSB_2D_GBLALPHA_SHIFT           (12)
-#define PSB_2D_SRCALPHA_OP_MASK         (0x00700000)
-#define PSB_2D_SRCALPHA_OP_CLRMASK      (0xFF8FFFFF)
-#define PSB_2D_SRCALPHA_OP_SHIFT        (20)
-#define PSB_2D_SRCALPHA_OP_ONE          (0x00000000)
-#define PSB_2D_SRCALPHA_OP_SRC          (0x00100000)
-#define PSB_2D_SRCALPHA_OP_DST          (0x00200000)
-#define PSB_2D_SRCALPHA_OP_SG           (0x00300000)
-#define PSB_2D_SRCALPHA_OP_DG           (0x00400000)
-#define PSB_2D_SRCALPHA_OP_GBL          (0x00500000)
-#define PSB_2D_SRCALPHA_OP_ZERO         (0x00600000)
-#define PSB_2D_SRCALPHA_INVERT          (0x00800000)
-#define PSB_2D_SRCALPHA_INVERT_CLR      (0xFF7FFFFF)
-#define PSB_2D_DSTALPHA_OP_MASK         (0x07000000)
-#define PSB_2D_DSTALPHA_OP_CLRMASK      (0xF8FFFFFF)
-#define PSB_2D_DSTALPHA_OP_SHIFT        (24)
-#define PSB_2D_DSTALPHA_OP_ONE          (0x00000000)
-#define PSB_2D_DSTALPHA_OP_SRC          (0x01000000)
-#define PSB_2D_DSTALPHA_OP_DST          (0x02000000)
-#define PSB_2D_DSTALPHA_OP_SG           (0x03000000)
-#define PSB_2D_DSTALPHA_OP_DG           (0x04000000)
-#define PSB_2D_DSTALPHA_OP_GBL          (0x05000000)
-#define PSB_2D_DSTALPHA_OP_ZERO         (0x06000000)
-#define PSB_2D_DSTALPHA_INVERT          (0x08000000)
-#define PSB_2D_DSTALPHA_INVERT_CLR      (0xF7FFFFFF)
-
-#define PSB_2D_PRE_MULTIPLICATION_ENABLE        (0x10000000)
-#define PSB_2D_PRE_MULTIPLICATION_CLRMASK       (0xEFFFFFFF)
-#define PSB_2D_ZERO_SOURCE_ALPHA_ENABLE         (0x20000000)
-#define PSB_2D_ZERO_SOURCE_ALPHA_CLRMASK        (0xDFFFFFFF)
-
-/*
- *Source Offset (PSB_2D_SRC_OFF_BH)
- */
-#define PSB_2D_SRCOFF_XSTART_MASK       ((0x00000FFF) << 12)
-#define PSB_2D_SRCOFF_XSTART_SHIFT      (12)
-#define PSB_2D_SRCOFF_YSTART_MASK       (0x00000FFF)
-#define PSB_2D_SRCOFF_YSTART_SHIFT      (0)
-
-/*
- * Mask Offset (PSB_2D_MASK_OFF_BH)
- */
-#define PSB_2D_MASKOFF_XSTART_MASK      ((0x00000FFF) << 12)
-#define PSB_2D_MASKOFF_XSTART_SHIFT     (12)
-#define PSB_2D_MASKOFF_YSTART_MASK      (0x00000FFF)
-#define PSB_2D_MASKOFF_YSTART_SHIFT     (0)
-
-/*
- * 2D Fence (see PSB_2D_FENCE_BH): bits 0:27 are ignored
- */
-
-/*
- *Blit Rectangle (PSB_2D_BLIT_BH)
- */
-
-#define PSB_2D_ROT_MASK                 (3 << 25)
-#define PSB_2D_ROT_CLRMASK              (~PSB_2D_ROT_MASK)
-#define PSB_2D_ROT_NONE                 (0 << 25)
-#define PSB_2D_ROT_90DEGS               (1 << 25)
-#define PSB_2D_ROT_180DEGS              (2 << 25)
-#define PSB_2D_ROT_270DEGS              (3 << 25)
-
-#define PSB_2D_COPYORDER_MASK           (3 << 23)
-#define PSB_2D_COPYORDER_CLRMASK        (~PSB_2D_COPYORDER_MASK)
-#define PSB_2D_COPYORDER_TL2BR          (0 << 23)
-#define PSB_2D_COPYORDER_BR2TL          (1 << 23)
-#define PSB_2D_COPYORDER_TR2BL          (2 << 23)
-#define PSB_2D_COPYORDER_BL2TR          (3 << 23)
-
-#define PSB_2D_DSTCK_CLRMASK            (0xFF9FFFFF)
-#define PSB_2D_DSTCK_DISABLE            (0x00000000)
-#define PSB_2D_DSTCK_PASS               (0x00200000)
-#define PSB_2D_DSTCK_REJECT             (0x00400000)
-
-#define PSB_2D_SRCCK_CLRMASK            (0xFFE7FFFF)
-#define PSB_2D_SRCCK_DISABLE            (0x00000000)
-#define PSB_2D_SRCCK_PASS               (0x00080000)
-#define PSB_2D_SRCCK_REJECT             (0x00100000)
-
-#define PSB_2D_CLIP_ENABLE              (0x00040000)
-
-#define PSB_2D_ALPHA_ENABLE             (0x00020000)
-
-#define PSB_2D_PAT_CLRMASK              (0xFFFEFFFF)
-#define PSB_2D_PAT_MASK                 (0x00010000)
-#define PSB_2D_USE_PAT                  (0x00010000)
-#define PSB_2D_USE_FILL                 (0x00000000)
-/*
- * Tungsten Graphics note on rop codes: If rop A and rop B are
- * identical, the mask surface will not be read and need not be
- * set up.
- */
-
-#define PSB_2D_ROP3B_MASK               (0x0000FF00)
-#define PSB_2D_ROP3B_CLRMASK            (0xFFFF00FF)
-#define PSB_2D_ROP3B_SHIFT              (8)
-/* rop code A */
-#define PSB_2D_ROP3A_MASK               (0x000000FF)
-#define PSB_2D_ROP3A_CLRMASK            (0xFFFFFF00)
-#define PSB_2D_ROP3A_SHIFT              (0)
-
-#define PSB_2D_ROP4_MASK                (0x0000FFFF)
-/*
- *      DWORD0: (Only pass if Pattern control == Use Fill Colour)
- *      Fill Colour RGBA8888
- */
-#define PSB_2D_FILLCOLOUR_MASK          (0xFFFFFFFF)
-#define PSB_2D_FILLCOLOUR_SHIFT         (0)
-/*
- *      DWORD1: (Always Present)
- *      X Start (Dest)
- *      Y Start (Dest)
- */
-#define PSB_2D_DST_XSTART_MASK          (0x00FFF000)
-#define PSB_2D_DST_XSTART_CLRMASK       (0xFF000FFF)
-#define PSB_2D_DST_XSTART_SHIFT         (12)
-#define PSB_2D_DST_YSTART_MASK          (0x00000FFF)
-#define PSB_2D_DST_YSTART_CLRMASK       (0xFFFFF000)
-#define PSB_2D_DST_YSTART_SHIFT         (0)
-/*
- *      DWORD2: (Always Present)
- *      X Size (Dest)
- *      Y Size (Dest)
- */
-#define PSB_2D_DST_XSIZE_MASK           (0x00FFF000)
-#define PSB_2D_DST_XSIZE_CLRMASK        (0xFF000FFF)
-#define PSB_2D_DST_XSIZE_SHIFT          (12)
-#define PSB_2D_DST_YSIZE_MASK           (0x00000FFF)
-#define PSB_2D_DST_YSIZE_CLRMASK        (0xFFFFF000)
-#define PSB_2D_DST_YSIZE_SHIFT          (0)
-
-/*
- * Source Surface (PSB_2D_SRC_SURF_BH)
- */
-/*
- * WORD 0
- */
-
-#define PSB_2D_SRC_FORMAT_MASK          (0x00078000)
-#define PSB_2D_SRC_1_PAL                (0x00000000)
-#define PSB_2D_SRC_2_PAL                (0x00008000)
-#define PSB_2D_SRC_4_PAL                (0x00010000)
-#define PSB_2D_SRC_8_PAL                (0x00018000)
-#define PSB_2D_SRC_8_ALPHA              (0x00020000)
-#define PSB_2D_SRC_4_ALPHA              (0x00028000)
-#define PSB_2D_SRC_332RGB               (0x00030000)
-#define PSB_2D_SRC_4444ARGB             (0x00038000)
-#define PSB_2D_SRC_555RGB               (0x00040000)
-#define PSB_2D_SRC_1555ARGB             (0x00048000)
-#define PSB_2D_SRC_565RGB               (0x00050000)
-#define PSB_2D_SRC_0888ARGB             (0x00058000)
-#define PSB_2D_SRC_8888ARGB             (0x00060000)
-#define PSB_2D_SRC_8888UYVY             (0x00068000)
-#define PSB_2D_SRC_RESERVED             (0x00070000)
-#define PSB_2D_SRC_1555ARGB_LOOKUP      (0x00078000)
-
-
-#define PSB_2D_SRC_STRIDE_MASK          (0x00007FFF)
-#define PSB_2D_SRC_STRIDE_CLRMASK       (0xFFFF8000)
-#define PSB_2D_SRC_STRIDE_SHIFT         (0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_SRC_ADDR_MASK            (0x0FFFFFFC)
-#define PSB_2D_SRC_ADDR_CLRMASK         (0x00000003)
-#define PSB_2D_SRC_ADDR_SHIFT           (2)
-#define PSB_2D_SRC_ADDR_ALIGNSHIFT      (2)
-
-/*
- * Pattern Surface (PSB_2D_PAT_SURF_BH)
- */
-/*
- *  WORD 0
- */
-
-#define PSB_2D_PAT_FORMAT_MASK          (0x00078000)
-#define PSB_2D_PAT_1_PAL                (0x00000000)
-#define PSB_2D_PAT_2_PAL                (0x00008000)
-#define PSB_2D_PAT_4_PAL                (0x00010000)
-#define PSB_2D_PAT_8_PAL                (0x00018000)
-#define PSB_2D_PAT_8_ALPHA              (0x00020000)
-#define PSB_2D_PAT_4_ALPHA              (0x00028000)
-#define PSB_2D_PAT_332RGB               (0x00030000)
-#define PSB_2D_PAT_4444ARGB             (0x00038000)
-#define PSB_2D_PAT_555RGB               (0x00040000)
-#define PSB_2D_PAT_1555ARGB             (0x00048000)
-#define PSB_2D_PAT_565RGB               (0x00050000)
-#define PSB_2D_PAT_0888ARGB             (0x00058000)
-#define PSB_2D_PAT_8888ARGB             (0x00060000)
-
-#define PSB_2D_PAT_STRIDE_MASK          (0x00007FFF)
-#define PSB_2D_PAT_STRIDE_CLRMASK       (0xFFFF8000)
-#define PSB_2D_PAT_STRIDE_SHIFT         (0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_PAT_ADDR_MASK            (0x0FFFFFFC)
-#define PSB_2D_PAT_ADDR_CLRMASK         (0x00000003)
-#define PSB_2D_PAT_ADDR_SHIFT           (2)
-#define PSB_2D_PAT_ADDR_ALIGNSHIFT      (2)
-
-/*
- * Destination Surface (PSB_2D_DST_SURF_BH)
- */
-/*
- * WORD 0
- */
-
-#define PSB_2D_DST_FORMAT_MASK          (0x00078000)
-#define PSB_2D_DST_332RGB               (0x00030000)
-#define PSB_2D_DST_4444ARGB             (0x00038000)
-#define PSB_2D_DST_555RGB               (0x00040000)
-#define PSB_2D_DST_1555ARGB             (0x00048000)
-#define PSB_2D_DST_565RGB               (0x00050000)
-#define PSB_2D_DST_0888ARGB             (0x00058000)
-#define PSB_2D_DST_8888ARGB             (0x00060000)
-#define PSB_2D_DST_8888AYUV             (0x00070000)
-
-#define PSB_2D_DST_STRIDE_MASK          (0x00007FFF)
-#define PSB_2D_DST_STRIDE_CLRMASK       (0xFFFF8000)
-#define PSB_2D_DST_STRIDE_SHIFT         (0)
-/*
- * WORD 1 - Base Address
- */
-#define PSB_2D_DST_ADDR_MASK            (0x0FFFFFFC)
-#define PSB_2D_DST_ADDR_CLRMASK         (0x00000003)
-#define PSB_2D_DST_ADDR_SHIFT           (2)
-#define PSB_2D_DST_ADDR_ALIGNSHIFT      (2)
-
-/*
- * Mask Surface (PSB_2D_MASK_SURF_BH)
- */
-/*
- * WORD 0
- */
-#define PSB_2D_MASK_STRIDE_MASK         (0x00007FFF)
-#define PSB_2D_MASK_STRIDE_CLRMASK      (0xFFFF8000)
-#define PSB_2D_MASK_STRIDE_SHIFT        (0)
-/*
- *  WORD 1 - Base Address
- */
-#define PSB_2D_MASK_ADDR_MASK           (0x0FFFFFFC)
-#define PSB_2D_MASK_ADDR_CLRMASK        (0x00000003)
-#define PSB_2D_MASK_ADDR_SHIFT          (2)
-#define PSB_2D_MASK_ADDR_ALIGNSHIFT     (2)
-
-/*
- * Source Palette (PSB_2D_SRC_PAL_BH)
- */
-
-#define PSB_2D_SRCPAL_ADDR_SHIFT        (0)
-#define PSB_2D_SRCPAL_ADDR_CLRMASK      (0xF0000007)
-#define PSB_2D_SRCPAL_ADDR_MASK         (0x0FFFFFF8)
-#define PSB_2D_SRCPAL_BYTEALIGN         (1024)
-
-/*
- * Pattern Palette (PSB_2D_PAT_PAL_BH)
- */
-
-#define PSB_2D_PATPAL_ADDR_SHIFT        (0)
-#define PSB_2D_PATPAL_ADDR_CLRMASK      (0xF0000007)
-#define PSB_2D_PATPAL_ADDR_MASK         (0x0FFFFFF8)
-#define PSB_2D_PATPAL_BYTEALIGN         (1024)
-
-/*
- * Rop3 Codes (2 LS bytes)
- */
-
-#define PSB_2D_ROP3_SRCCOPY             (0xCCCC)
-#define PSB_2D_ROP3_PATCOPY             (0xF0F0)
-#define PSB_2D_ROP3_WHITENESS           (0xFFFF)
-#define PSB_2D_ROP3_BLACKNESS           (0x0000)
-#define PSB_2D_ROP3_SRC                 (0xCC)
-#define PSB_2D_ROP3_PAT                 (0xF0)
-#define PSB_2D_ROP3_DST                 (0xAA)
-
-/*
- * Sizes.
- */
-
-#define PSB_SCENE_HW_COOKIE_SIZE        16
-#define PSB_TA_MEM_HW_COOKIE_SIZE       16
-
-/*
- * Scene stuff.
- */
-
-#define PSB_NUM_HW_SCENES               2
-
-/*
- * Scheduler completion actions.
- */
-
-#define PSB_RASTER_BLOCK                0
-#define PSB_RASTER                      1
-#define PSB_RETURN                      2
-#define PSB_TA                          3
-
-/* Power management */
-#define PSB_PUNIT_PORT                  0x04
-#define PSB_OSPMBA                      0x78
-#define PSB_APMBA                       0x7a
-#define PSB_APM_CMD                     0x0
-#define PSB_APM_STS                     0x04
-#define PSB_PWRGT_VID_ENC_MASK          0x30
-#define PSB_PWRGT_VID_DEC_MASK          0xc
-#define PSB_PWRGT_GL3_MASK              0xc0
-
-#define PSB_PM_SSC                      0x20
-#define PSB_PM_SSS                      0x30
-#define PSB_PWRGT_DISPLAY_MASK          0xc /*on a different BA than video/gfx*/
-#define MDFLD_PWRGT_DISPLAY_A_CNTR      0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_CNTR      0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_CNTR      0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_CNTR      0x000c0000
-#define MDFLD_PWRGT_DISPLAY_CNTR    (MDFLD_PWRGT_DISPLAY_A_CNTR | MDFLD_PWRGT_DISPLAY_B_CNTR | MDFLD_PWRGT_DISPLAY_C_CNTR | MDFLD_PWRGT_DISP_MIPI_CNTR) /* 0x000fc00c */
-/* Display SSS register bits are different in A0 vs. B0 */
-#define PSB_PWRGT_GFX_MASK              0x3
-#define MDFLD_PWRGT_DISPLAY_A_STS       0x000000c0
-#define MDFLD_PWRGT_DISPLAY_B_STS       0x00000300
-#define MDFLD_PWRGT_DISPLAY_C_STS       0x00000c00
-#define PSB_PWRGT_GFX_MASK_B0           0xc3
-#define MDFLD_PWRGT_DISPLAY_A_STS_B0    0x0000000c
-#define MDFLD_PWRGT_DISPLAY_B_STS_B0    0x0000c000
-#define MDFLD_PWRGT_DISPLAY_C_STS_B0    0x00030000
-#define MDFLD_PWRGT_DISP_MIPI_STS       0x000c0000
-#define MDFLD_PWRGT_DISPLAY_STS_A0    (MDFLD_PWRGT_DISPLAY_A_STS | MDFLD_PWRGT_DISPLAY_B_STS | MDFLD_PWRGT_DISPLAY_C_STS | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
-#define MDFLD_PWRGT_DISPLAY_STS_B0    (MDFLD_PWRGT_DISPLAY_A_STS_B0 | MDFLD_PWRGT_DISPLAY_B_STS_B0 | MDFLD_PWRGT_DISPLAY_C_STS_B0 | MDFLD_PWRGT_DISP_MIPI_STS) /* 0x000fc00c */
-#endif
diff --git a/drivers/staging/omapdrm/Makefile b/drivers/staging/omapdrm/Makefile
index 592cf69020cd..d9cdc120d122 100644
--- a/drivers/staging/omapdrm/Makefile
+++ b/drivers/staging/omapdrm/Makefile
@@ -7,6 +7,7 @@ ccflags-y := -Iinclude/drm -Werror
 omapdrm-y := omap_drv.o \
         omap_debugfs.o \
         omap_crtc.o \
+        omap_plane.o \
         omap_encoder.o \
         omap_connector.o \
         omap_fb.o \
diff --git a/drivers/staging/omapdrm/omap_crtc.c b/drivers/staging/omapdrm/omap_crtc.c
index cffdf5e12394..17ca163e5896 100644
--- a/drivers/staging/omapdrm/omap_crtc.c
+++ b/drivers/staging/omapdrm/omap_crtc.c
@@ -27,196 +27,95 @@
 
 struct omap_crtc {
         struct drm_crtc base;
-        struct omap_overlay *ovl;
-        struct omap_overlay_info info;
+        struct drm_plane *plane;
+        const char *name;
         int id;
 
-        /* if there is a pending flip, this will be non-null: */
+        /* if there is a pending flip, these will be non-null: */
         struct drm_pending_vblank_event *event;
+        struct drm_framebuffer *old_fb;
 };
 
-/* push changes down to dss2 */
-static int commit(struct drm_crtc *crtc)
-{
-        struct drm_device *dev = crtc->dev;
-        struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        struct omap_overlay *ovl = omap_crtc->ovl;
-        struct omap_overlay_info *info = &omap_crtc->info;
-        int ret;
-
-        DBG("%s", omap_crtc->ovl->name);
-        DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width,
-                        info->out_height, info->screen_width);
-        DBG("%d,%d %08x", info->pos_x, info->pos_y, info->paddr);
-
-        /* NOTE: do we want to do this at all here, or just wait
-         * for dpms(ON) since other CRTC's may not have their mode
-         * set yet, so fb dimensions may still change..
-         */
-        ret = ovl->set_overlay_info(ovl, info);
-        if (ret) {
-                dev_err(dev->dev, "could not set overlay info\n");
-                return ret;
-        }
-
-        /* our encoder doesn't necessarily get a commit() after this, in
-         * particular in the dpms() and mode_set_base() cases, so force the
-         * manager to update:
-         *
-         * could this be in the encoder somehow?
-         */
-        if (ovl->manager) {
-                ret = ovl->manager->apply(ovl->manager);
-                if (ret) {
-                        dev_err(dev->dev, "could not apply settings\n");
-                        return ret;
-                }
-        }
-
-        if (info->enabled) {
-                omap_framebuffer_flush(crtc->fb, crtc->x, crtc->y,
-                                crtc->fb->width, crtc->fb->height);
-        }
-
-        return 0;
-}
-
-/* update parameters that are dependent on the framebuffer dimensions and
- * position within the fb that this crtc scans out from. This is called
- * when framebuffer dimensions or x,y base may have changed, either due
- * to our mode, or a change in another crtc that is scanning out of the
- * same fb.
- */
-static void update_scanout(struct drm_crtc *crtc)
-{
-        struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        dma_addr_t paddr;
-        unsigned int screen_width;
-
-        omap_framebuffer_get_buffer(crtc->fb, crtc->x, crtc->y,
-                        NULL, &paddr, &screen_width);
-
-        DBG("%s: %d,%d: %08x (%d)", omap_crtc->ovl->name,
-                        crtc->x, crtc->y, (u32)paddr, screen_width);
-
-        omap_crtc->info.paddr = paddr;
-        omap_crtc->info.screen_width = screen_width;
-}
-
 static void omap_crtc_gamma_set(struct drm_crtc *crtc,
                 u16 *red, u16 *green, u16 *blue, uint32_t start, uint32_t size)
 {
-        struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        DBG("%s", omap_crtc->ovl->name);
+        /* not supported.. at least not yet */
 }
 
 static void omap_crtc_destroy(struct drm_crtc *crtc)
 {
         struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        DBG("%s", omap_crtc->ovl->name);
+        omap_crtc->plane->funcs->destroy(omap_crtc->plane);
         drm_crtc_cleanup(crtc);
         kfree(omap_crtc);
 }
 
 static void omap_crtc_dpms(struct drm_crtc *crtc, int mode)
 {
+        struct omap_drm_private *priv = crtc->dev->dev_private;
         struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+        int i;
 
-        DBG("%s: %d", omap_crtc->ovl->name, mode);
+        WARN_ON(omap_plane_dpms(omap_crtc->plane, mode));
 
-        if (mode == DRM_MODE_DPMS_ON) {
-                update_scanout(crtc);
-                omap_crtc->info.enabled = true;
-        } else {
-                omap_crtc->info.enabled = false;
+        for (i = 0; i < priv->num_planes; i++) {
+                struct drm_plane *plane = priv->planes[i];
+                if (plane->crtc == crtc)
+                        WARN_ON(omap_plane_dpms(plane, mode));
         }
-
-        WARN_ON(commit(crtc));
 }
 
 static bool omap_crtc_mode_fixup(struct drm_crtc *crtc,
-                                  struct drm_display_mode *mode,
-                                  struct drm_display_mode *adjusted_mode)
+                struct drm_display_mode *mode,
+                struct drm_display_mode *adjusted_mode)
 {
-        struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        DBG("%s", omap_crtc->ovl->name);
         return true;
 }
 
 static int omap_crtc_mode_set(struct drm_crtc *crtc,
-                               struct drm_display_mode *mode,
-                               struct drm_display_mode *adjusted_mode,
-                               int x, int y,
-                               struct drm_framebuffer *old_fb)
+                struct drm_display_mode *mode,
+                struct drm_display_mode *adjusted_mode,
+                int x, int y,
+                struct drm_framebuffer *old_fb)
 {
         struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+        struct drm_plane *plane = omap_crtc->plane;
 
-        DBG("%s: %d,%d: %dx%d", omap_crtc->ovl->name, x, y,
-                        mode->hdisplay, mode->vdisplay);
-
-        /* just use adjusted mode */
-        mode = adjusted_mode;
-
-        omap_crtc->info.width = mode->hdisplay;
-        omap_crtc->info.height = mode->vdisplay;
-        omap_crtc->info.out_width = mode->hdisplay;
-        omap_crtc->info.out_height = mode->vdisplay;
-        omap_crtc->info.color_mode = OMAP_DSS_COLOR_RGB24U;
-        omap_crtc->info.rotation_type = OMAP_DSS_ROT_DMA;
-        omap_crtc->info.rotation = OMAP_DSS_ROT_0;
-        omap_crtc->info.global_alpha = 0xff;
-        omap_crtc->info.mirror = 0;
-        omap_crtc->info.mirror = 0;
-        omap_crtc->info.pos_x = 0;
-        omap_crtc->info.pos_y = 0;
-#if 0 /* re-enable when these are available in DSS2 driver */
-        omap_crtc->info.zorder = 3;        /* GUI in the front, video behind */
-        omap_crtc->info.min_x_decim = 1;
-        omap_crtc->info.max_x_decim = 1;
-        omap_crtc->info.min_y_decim = 1;
-        omap_crtc->info.max_y_decim = 1;
-#endif
-
-        update_scanout(crtc);
-
-        return 0;
+        return omap_plane_mode_set(plane, crtc, crtc->fb,
+                        0, 0, mode->hdisplay, mode->vdisplay,
+                        x << 16, y << 16,
+                        mode->hdisplay << 16, mode->vdisplay << 16);
 }
 
 static void omap_crtc_prepare(struct drm_crtc *crtc)
 {
         struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        struct omap_overlay *ovl = omap_crtc->ovl;
-
-        DBG("%s", omap_crtc->ovl->name);
-
-        ovl->get_overlay_info(ovl, &omap_crtc->info);
-
+        DBG("%s", omap_crtc->name);
         omap_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
 }
 
 static void omap_crtc_commit(struct drm_crtc *crtc)
 {
         struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        DBG("%s", omap_crtc->ovl->name);
+        DBG("%s", omap_crtc->name);
         omap_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
 }
 
 static int omap_crtc_mode_set_base(struct drm_crtc *crtc, int x, int y,
-                    struct drm_framebuffer *old_fb)
+                struct drm_framebuffer *old_fb)
 {
         struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
+        struct drm_plane *plane = omap_crtc->plane;
+        struct drm_display_mode *mode = &crtc->mode;
 
-        DBG("%s %d,%d: fb=%p", omap_crtc->ovl->name, x, y, old_fb);
-
-        update_scanout(crtc);
-
-        return commit(crtc);
+        return plane->funcs->update_plane(plane, crtc, crtc->fb,
+                        0, 0, mode->hdisplay, mode->vdisplay,
+                        x << 16, y << 16,
+                        mode->hdisplay << 16, mode->vdisplay << 16);
 }
 
 static void omap_crtc_load_lut(struct drm_crtc *crtc)
 {
-        struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        DBG("%s", omap_crtc->ovl->name);
 }
 
 static void page_flip_cb(void *arg)
@@ -225,15 +124,16 @@ static void page_flip_cb(void *arg)
         struct drm_device *dev = crtc->dev;
         struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
         struct drm_pending_vblank_event *event = omap_crtc->event;
+        struct drm_framebuffer *old_fb = omap_crtc->old_fb;
         struct timeval now;
         unsigned long flags;
 
         WARN_ON(!event);
 
         omap_crtc->event = NULL;
+        omap_crtc->old_fb = NULL;
 
-        update_scanout(crtc);
-        WARN_ON(commit(crtc));
+        omap_crtc_mode_set_base(crtc, crtc->x, crtc->y, old_fb);
 
         /* wakeup userspace */
         /* TODO: this should happen *after* flip in vsync IRQ handler */
@@ -264,10 +164,11 @@ static int omap_crtc_page_flip_locked(struct drm_crtc *crtc,
                 return -EINVAL;
         }
 
-        crtc->fb = fb;
+        omap_crtc->old_fb = crtc->fb;
         omap_crtc->event = event;
+        crtc->fb = fb;
 
-        omap_gem_op_async(omap_framebuffer_bo(fb), OMAP_GEM_READ,
+        omap_gem_op_async(omap_framebuffer_bo(fb, 0), OMAP_GEM_READ,
                         page_flip_cb, crtc);
 
         return 0;
@@ -290,12 +191,6 @@ static const struct drm_crtc_helper_funcs omap_crtc_helper_funcs = {
         .load_lut = omap_crtc_load_lut,
 };
 
-struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc)
-{
-        struct omap_crtc *omap_crtc = to_omap_crtc(crtc);
-        return omap_crtc->ovl;
-}
-
 /* initialize crtc */
 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
                 struct omap_overlay *ovl, int id)
@@ -310,9 +205,13 @@ struct drm_crtc *omap_crtc_init(struct drm_device *dev,
                 goto fail;
         }
 
-        omap_crtc->ovl = ovl;
-        omap_crtc->id = id;
         crtc = &omap_crtc->base;
+
+        omap_crtc->plane = omap_plane_init(dev, ovl, (1 << id), true);
+        omap_crtc->plane->crtc = crtc;
+        omap_crtc->name = ovl->name;
+        omap_crtc->id = id;
+
         drm_crtc_init(dev, crtc, &omap_crtc_funcs);
         drm_crtc_helper_add(crtc, &omap_crtc_helper_funcs);
 
diff --git a/drivers/staging/omapdrm/omap_drv.c b/drivers/staging/omapdrm/omap_drv.c
index 602aa2dd49c8..3bbea9aac404 100644
--- a/drivers/staging/omapdrm/omap_drv.c
+++ b/drivers/staging/omapdrm/omap_drv.c
@@ -204,12 +204,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
         struct omap_overlay_manager *mgr = NULL;
         struct drm_crtc *crtc;
 
-        if (ovl->manager) {
-                DBG("disconnecting %s from %s", ovl->name,
-                                        ovl->manager->name);
-                ovl->unset_manager(ovl);
-        }
-
         /* find next best connector, ones with detected connection first
          */
         while (*j < priv->num_connectors && !mgr) {
@@ -245,11 +239,6 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
                 (*j)++;
         }
 
-        if (mgr) {
-                DBG("connecting %s to %s", ovl->name, mgr->name);
-                ovl->set_manager(ovl, mgr);
-        }
-
         crtc = omap_crtc_init(dev, ovl, priv->num_crtcs);
 
         if (!crtc) {
@@ -265,6 +254,26 @@ static int create_crtc(struct drm_device *dev, struct omap_overlay *ovl,
         return 0;
 }
 
+static int create_plane(struct drm_device *dev, struct omap_overlay *ovl,
+                unsigned int possible_crtcs)
+{
+        struct omap_drm_private *priv = dev->dev_private;
+        struct drm_plane *plane =
+                        omap_plane_init(dev, ovl, possible_crtcs, false);
+
+        if (!plane) {
+                dev_err(dev->dev, "could not create plane: %s\n",
+                                ovl->name);
+                return -ENOMEM;
+        }
+
+        BUG_ON(priv->num_planes >= ARRAY_SIZE(priv->planes));
+
+        priv->planes[priv->num_planes++] = plane;
+
+        return 0;
+}
+
 static int match_dev_name(struct omap_dss_device *dssdev, void *data)
 {
         return !strcmp(dssdev->name, data);
@@ -332,6 +341,12 @@ static int omap_modeset_init(struct drm_device *dev)
                                 omap_dss_get_overlay(kms_pdata->ovl_ids[i]);
                         create_crtc(dev, ovl, &j, connected_connectors);
                 }
+
+                for (i = 0; i < kms_pdata->pln_cnt; i++) {
+                        struct omap_overlay *ovl =
+                                omap_dss_get_overlay(kms_pdata->pln_ids[i]);
+                        create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
+                }
         } else {
                 /* otherwise just grab up to CONFIG_DRM_OMAP_NUM_CRTCS and try
                  * to make educated guesses about everything else
@@ -353,6 +368,12 @@ static int omap_modeset_init(struct drm_device *dev)
                         create_crtc(dev, omap_dss_get_overlay(i),
                                         &j, connected_connectors);
                 }
+
+                /* use any remaining overlays as drm planes */
+                for (; i < omap_dss_get_num_overlays(); i++) {
+                        struct omap_overlay *ovl = omap_dss_get_overlay(i);
+                        create_plane(dev, ovl, (1 << priv->num_crtcs) - 1);
+                }
         }
 
         /* for now keep the mapping of CRTCs and encoders static.. */
@@ -361,15 +382,7 @@ static int omap_modeset_init(struct drm_device *dev)
                 struct omap_overlay_manager *mgr =
                                 omap_encoder_get_manager(encoder);
 
-                encoder->possible_crtcs = 0;
-
-                for (j = 0; j < priv->num_crtcs; j++) {
-                        struct omap_overlay *ovl =
-                                        omap_crtc_get_overlay(priv->crtcs[j]);
-                        if (ovl->manager == mgr) {
-                                encoder->possible_crtcs |= (1 << j);
-                        }
-                }
+                encoder->possible_crtcs = (1 << priv->num_crtcs) - 1;
 
                 DBG("%s: possible_crtcs=%08x", mgr->name,
                                         encoder->possible_crtcs);
@@ -377,8 +390,8 @@ static int omap_modeset_init(struct drm_device *dev)
 
         dump_video_chains();
 
-        dev->mode_config.min_width = 256;
-        dev->mode_config.min_height = 256;
+        dev->mode_config.min_width = 32;
+        dev->mode_config.min_height = 32;
 
         /* note: eventually will need some cpu_is_omapXYZ() type stuff here
          * to fill in these limits properly on different OMAP generations..
@@ -708,6 +721,18 @@ static struct vm_operations_struct omap_gem_vm_ops = {
         .close = drm_gem_vm_close,
 };
 
+static const struct file_operations omapdriver_fops = {
+                .owner = THIS_MODULE,
+                .open = drm_open,
+                .unlocked_ioctl = drm_ioctl,
+                .release = drm_release,
+                .mmap = omap_gem_mmap,
+                .poll = drm_poll,
+                .fasync = drm_fasync,
+                .read = drm_read,
+                .llseek = noop_llseek,
+};
+
 static struct drm_driver omap_drm_driver = {
                 .driver_features =
                                 DRIVER_HAVE_IRQ | DRIVER_MODESET | DRIVER_GEM,
@@ -738,17 +763,7 @@ static struct drm_driver omap_drm_driver = {
                 .dumb_destroy = omap_gem_dumb_destroy,
                 .ioctls = ioctls,
                 .num_ioctls = DRM_OMAP_NUM_IOCTLS,
-                .fops = {
-                                .owner = THIS_MODULE,
-                                .open = drm_open,
-                                .unlocked_ioctl = drm_ioctl,
-                                .release = drm_release,
-                                .mmap = omap_gem_mmap,
-                                .poll = drm_poll,
-                                .fasync = drm_fasync,
-                                .read = drm_read,
-                                .llseek = noop_llseek,
-                },
+                .fops = &omapdriver_fops,
                 .name = DRIVER_NAME,
                 .desc = DRIVER_DESC,
                 .date = DRIVER_DATE,
diff --git a/drivers/staging/omapdrm/omap_drv.h b/drivers/staging/omapdrm/omap_drv.h
index 76c42515ecc5..61fe022dda5b 100644
--- a/drivers/staging/omapdrm/omap_drv.h
+++ b/drivers/staging/omapdrm/omap_drv.h
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/types.h>
 #include <drm/drmP.h>
+#include <drm/drm_crtc_helper.h>
 #include "omap_drm.h"
 #include "omap_priv.h"
 
@@ -41,6 +42,8 @@
 struct omap_drm_private {
         unsigned int num_crtcs;
         struct drm_crtc *crtcs[8];
+        unsigned int num_planes;
+        struct drm_plane *planes[8];
         unsigned int num_encoders;
         struct drm_encoder *encoders[8];
         unsigned int num_connectors;
@@ -61,7 +64,17 @@ void omap_fbdev_free(struct drm_device *dev);
 
 struct drm_crtc *omap_crtc_init(struct drm_device *dev,
                 struct omap_overlay *ovl, int id);
-struct omap_overlay *omap_crtc_get_overlay(struct drm_crtc *crtc);
+
+struct drm_plane *omap_plane_init(struct drm_device *dev,
+                struct omap_overlay *ovl, unsigned int possible_crtcs,
+                bool priv);
+int omap_plane_dpms(struct drm_plane *plane, int mode);
+int omap_plane_mode_set(struct drm_plane *plane,
+                struct drm_crtc *crtc, struct drm_framebuffer *fb,
+                int crtc_x, int crtc_y,
+                unsigned int crtc_w, unsigned int crtc_h,
+                uint32_t src_x, uint32_t src_y,
+                uint32_t src_w, uint32_t src_h);
 
 struct drm_encoder *omap_encoder_init(struct drm_device *dev,
                 struct omap_overlay_manager *mgr);
@@ -80,12 +93,14 @@ void omap_connector_flush(struct drm_connector *connector,
                 int x, int y, int w, int h);
 
 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
-                struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd);
+                struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd);
 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
-                struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo);
-struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb);
-int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
-                void **vaddr, dma_addr_t *paddr, unsigned int *screen_width);
+                struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos);
+struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p);
+int omap_framebuffer_pin(struct drm_framebuffer *fb);
+void omap_framebuffer_unpin(struct drm_framebuffer *fb);
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
+                struct omap_overlay_info *info);
 struct drm_connector *omap_framebuffer_get_next_connector(
                 struct drm_framebuffer *fb, struct drm_connector *from);
 void omap_framebuffer_flush(struct drm_framebuffer *fb,
@@ -132,4 +147,29 @@ static inline int align_pitch(int pitch, int width, int bpp)
         return ALIGN(pitch, 8 * bytespp);
 }
 
+/* should these be made into common util helpers?
+ */
+
+static inline int objects_lookup(struct drm_device *dev,
+                struct drm_file *filp, uint32_t pixel_format,
+                struct drm_gem_object **bos, uint32_t *handles)
+{
+        int i, n = drm_format_num_planes(pixel_format);
+
+        for (i = 0; i < n; i++) {
+                bos[i] = drm_gem_object_lookup(dev, filp, handles[i]);
+                if (!bos[i]) {
+                        goto fail;
+                }
+        }
+
+        return 0;
+
+fail:
+        while (--i > 0) {
+                drm_gem_object_unreference_unlocked(bos[i]);
+        }
+        return -ENOENT;
+}
+
 #endif /* __OMAP_DRV_H__ */
diff --git a/drivers/staging/omapdrm/omap_fb.c b/drivers/staging/omapdrm/omap_fb.c
index 0b50c5b3b564..d021a7ec58df 100644
--- a/drivers/staging/omapdrm/omap_fb.c
+++ b/drivers/staging/omapdrm/omap_fb.c
@@ -22,18 +22,57 @@
 #include "drm_crtc.h"
 #include "drm_crtc_helper.h"
 
-
 /*
  * framebuffer funcs
  */
 
+/* per-format info: */
+struct format {
+        enum omap_color_mode dss_format;
+        uint32_t pixel_format;
+        struct {
+                int stride_bpp;           /* this times width is stride */
+                int sub_y;                /* sub-sample in y dimension */
+        } planes[4];
+        bool yuv;
+};
+
+static const struct format formats[] = {
+        /* 16bpp [A]RGB: */
+        { OMAP_DSS_COLOR_RGB16,       DRM_FORMAT_RGB565,   {{2, 1}}, false }, /* RGB16-565 */
+        { OMAP_DSS_COLOR_RGB12U,      DRM_FORMAT_RGBX4444, {{2, 1}}, false }, /* RGB12x-4444 */
+        { OMAP_DSS_COLOR_RGBX16,      DRM_FORMAT_XRGB4444, {{2, 1}}, false }, /* xRGB12-4444 */
+        { OMAP_DSS_COLOR_RGBA16,      DRM_FORMAT_RGBA4444, {{2, 1}}, false }, /* RGBA12-4444 */
+        { OMAP_DSS_COLOR_ARGB16,      DRM_FORMAT_ARGB4444, {{2, 1}}, false }, /* ARGB16-4444 */
+        { OMAP_DSS_COLOR_XRGB16_1555, DRM_FORMAT_XRGB1555, {{2, 1}}, false }, /* xRGB15-1555 */
+        { OMAP_DSS_COLOR_ARGB16_1555, DRM_FORMAT_ARGB1555, {{2, 1}}, false }, /* ARGB16-1555 */
+        /* 24bpp RGB: */
+        { OMAP_DSS_COLOR_RGB24P,      DRM_FORMAT_RGB888,   {{3, 1}}, false }, /* RGB24-888 */
+        /* 32bpp [A]RGB: */
+        { OMAP_DSS_COLOR_RGBX32,      DRM_FORMAT_RGBX8888, {{4, 1}}, false }, /* RGBx24-8888 */
+        { OMAP_DSS_COLOR_RGB24U,      DRM_FORMAT_XRGB8888, {{4, 1}}, false }, /* xRGB24-8888 */
+        { OMAP_DSS_COLOR_RGBA32,      DRM_FORMAT_RGBA8888, {{4, 1}}, false }, /* RGBA32-8888 */
+        { OMAP_DSS_COLOR_ARGB32,      DRM_FORMAT_ARGB8888, {{4, 1}}, false }, /* ARGB32-8888 */
+        /* YUV: */
+        { OMAP_DSS_COLOR_NV12,        DRM_FORMAT_NV12,     {{1, 1}, {1, 2}}, true },
+        { OMAP_DSS_COLOR_YUV2,        DRM_FORMAT_YUYV,     {{2, 1}}, true },
+        { OMAP_DSS_COLOR_UYVY,        DRM_FORMAT_UYVY,     {{2, 1}}, true },
+};
+
+/* per-plane info for the fb: */
+struct plane {
+        struct drm_gem_object *bo;
+        uint32_t pitch;
+        uint32_t offset;
+        dma_addr_t paddr;
+};
+
 #define to_omap_framebuffer(x) container_of(x, struct omap_framebuffer, base)
 
 struct omap_framebuffer {
         struct drm_framebuffer base;
-        struct drm_gem_object *bo;
-        int size;
-        dma_addr_t paddr;
+        const struct format *format;
+        struct plane planes[4];
 };
 
 static int omap_framebuffer_create_handle(struct drm_framebuffer *fb,
@@ -41,22 +80,23 @@ static int omap_framebuffer_create_handle(struct drm_framebuffer *fb,
                 unsigned int *handle)
 {
         struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-    return drm_gem_handle_create(file_priv, omap_fb->bo, handle);
+        return drm_gem_handle_create(file_priv,
+                        omap_fb->planes[0].bo, handle);
 }
 
 static void omap_framebuffer_destroy(struct drm_framebuffer *fb)
 {
-        struct drm_device *dev = fb->dev;
         struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+        int i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
         DBG("destroy: FB ID: %d (%p)", fb->base.id, fb);
 
         drm_framebuffer_cleanup(fb);
 
-        if (omap_fb->bo) {
-                if (omap_fb->paddr && omap_gem_put_paddr(omap_fb->bo))
-                        dev_err(dev->dev, "could not unmap!\n");
-                drm_gem_object_unreference_unlocked(omap_fb->bo);
+        for (i = 0; i < n; i++) {
+                struct plane *plane = &omap_fb->planes[i];
+                if (plane->bo)
+                        drm_gem_object_unreference_unlocked(plane->bo);
         }
 
         kfree(omap_fb);
@@ -83,37 +123,76 @@ static const struct drm_framebuffer_funcs omap_framebuffer_funcs = {
         .dirty = omap_framebuffer_dirty,
 };
 
-/* returns the buffer size */
-int omap_framebuffer_get_buffer(struct drm_framebuffer *fb, int x, int y,
-                void **vaddr, dma_addr_t *paddr, unsigned int *screen_width)
+/* pins buffer in preparation for scanout */
+int omap_framebuffer_pin(struct drm_framebuffer *fb)
 {
         struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-        int bpp = fb->bits_per_pixel / 8;
-        unsigned long offset;
+        int ret, i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
-        offset = (x * bpp) + (y * fb->pitch);
+        for (i = 0; i < n; i++) {
+                struct plane *plane = &omap_fb->planes[i];
+                ret = omap_gem_get_paddr(plane->bo, &plane->paddr, true);
+                if (ret)
+                        goto fail;
+        }
 
-        if (vaddr) {
-                void *bo_vaddr = omap_gem_vaddr(omap_fb->bo);
-                /* note: we can only count on having a vaddr for buffers that
-                 * are allocated physically contiguously to begin with (ie.
-                 * dma_alloc_coherent()).  But this should be ok because it
-                 * is only used by legacy fbdev
-                 */
-                BUG_ON(IS_ERR_OR_NULL(bo_vaddr));
-                *vaddr = bo_vaddr + offset;
+        return 0;
+
+fail:
+        while (--i > 0) {
+                struct plane *plane = &omap_fb->planes[i];
+                omap_gem_put_paddr(plane->bo);
         }
+        return ret;
+}
 
-        *paddr = omap_fb->paddr + offset;
-        *screen_width = fb->pitch / bpp;
+/* releases buffer when done with scanout */
+void omap_framebuffer_unpin(struct drm_framebuffer *fb)
+{
+        struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+        int i, n = drm_format_num_planes(omap_fb->format->pixel_format);
 
-        return omap_fb->size - offset;
+        for (i = 0; i < n; i++) {
+                struct plane *plane = &omap_fb->planes[i];
+                omap_gem_put_paddr(plane->bo);
+        }
 }
 
-struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb)
+/* update ovl info for scanout, handles cases of multi-planar fb's, etc.
+ */
+void omap_framebuffer_update_scanout(struct drm_framebuffer *fb, int x, int y,
+                struct omap_overlay_info *info)
 {
         struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
-        return omap_fb->bo;
+        const struct format *format = omap_fb->format;
+        struct plane *plane = &omap_fb->planes[0];
+        unsigned int offset;
+
+        offset = plane->offset +
+                        (x * format->planes[0].stride_bpp) +
+                        (y * plane->pitch / format->planes[0].sub_y);
+
+        info->color_mode   = format->dss_format;
+        info->paddr        = plane->paddr + offset;
+        info->screen_width = plane->pitch / format->planes[0].stride_bpp;
+
+        if (format->dss_format == OMAP_DSS_COLOR_NV12) {
+                plane = &omap_fb->planes[1];
+                offset = plane->offset +
+                                (x * format->planes[1].stride_bpp) +
+                                (y * plane->pitch / format->planes[1].sub_y);
+                info->p_uv_addr = plane->paddr + offset;
+        } else {
+                info->p_uv_addr = 0;
+        }
+}
+
+struct drm_gem_object *omap_framebuffer_bo(struct drm_framebuffer *fb, int p)
+{
+        struct omap_framebuffer *omap_fb = to_omap_framebuffer(fb);
+        if (p >= drm_format_num_planes(omap_fb->format->pixel_format))
+                return NULL;
+        return omap_fb->planes[p].bo;
 }
 
 /* iterate thru all the connectors, returning ones that are attached
@@ -171,39 +250,57 @@ void omap_framebuffer_flush(struct drm_framebuffer *fb,
 }
 
 struct drm_framebuffer *omap_framebuffer_create(struct drm_device *dev,
-                struct drm_file *file, struct drm_mode_fb_cmd *mode_cmd)
+                struct drm_file *file, struct drm_mode_fb_cmd2 *mode_cmd)
 {
-        struct drm_gem_object *bo;
+        struct drm_gem_object *bos[4];
         struct drm_framebuffer *fb;
-        bo = drm_gem_object_lookup(dev, file, mode_cmd->handle);
-        if (!bo) {
-                return ERR_PTR(-ENOENT);
-        }
-        fb = omap_framebuffer_init(dev, mode_cmd, bo);
-        if (!fb) {
-                return ERR_PTR(-ENOMEM);
+        int ret;
+
+        ret = objects_lookup(dev, file, mode_cmd->pixel_format,
+                        bos, mode_cmd->handles);
+        if (ret)
+                return ERR_PTR(ret);
+
+        fb = omap_framebuffer_init(dev, mode_cmd, bos);
+        if (IS_ERR(fb)) {
+                int i, n = drm_format_num_planes(mode_cmd->pixel_format);
+                for (i = 0; i < n; i++)
+                        drm_gem_object_unreference_unlocked(bos[i]);
+                return fb;
         }
         return fb;
 }
 
 struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
-                struct drm_mode_fb_cmd *mode_cmd, struct drm_gem_object *bo)
+                struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object **bos)
 {
         struct omap_framebuffer *omap_fb;
         struct drm_framebuffer *fb = NULL;
-        int size, ret;
+        const struct format *format = NULL;
+        int ret, i, n = drm_format_num_planes(mode_cmd->pixel_format);
 
-        DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%d)",
+        DBG("create framebuffer: dev=%p, mode_cmd=%p (%dx%d@%4.4s)",
                         dev, mode_cmd, mode_cmd->width, mode_cmd->height,
-                        mode_cmd->bpp);
+                        (char *)&mode_cmd->pixel_format);
+
+        for (i = 0; i < ARRAY_SIZE(formats); i++) {
+                if (formats[i].pixel_format == mode_cmd->pixel_format) {
+                        format = &formats[i];
+                        break;
+                }
+        }
 
-        /* in case someone tries to feed us a completely bogus stride: */
-        mode_cmd->pitch = align_pitch(mode_cmd->pitch,
-                        mode_cmd->width, mode_cmd->bpp);
+        if (!format) {
+                dev_err(dev->dev, "unsupported pixel format: %4.4s\n",
+                                (char *)&mode_cmd->pixel_format);
+                ret = -EINVAL;
+                goto fail;
+        }
 
         omap_fb = kzalloc(sizeof(*omap_fb), GFP_KERNEL);
         if (!omap_fb) {
                 dev_err(dev->dev, "could not allocate fb\n");
+                ret = -ENOMEM;
                 goto fail;
         }
 
@@ -216,19 +313,32 @@ struct drm_framebuffer *omap_framebuffer_init(struct drm_device *dev,
 
         DBG("create: FB ID: %d (%p)", fb->base.id, fb);
 
-        size = PAGE_ALIGN(mode_cmd->pitch * mode_cmd->height);
+        omap_fb->format = format;
 
-        if (size > bo->size) {
-                dev_err(dev->dev, "provided buffer object is too small!\n");
-                goto fail;
-        }
+        for (i = 0; i < n; i++) {
+                struct plane *plane = &omap_fb->planes[i];
+                int size, pitch = mode_cmd->pitches[i];
+
+                if (pitch < (mode_cmd->width * format->planes[i].stride_bpp)) {
+                        dev_err(dev->dev, "provided buffer pitch is too small! %d < %d\n",
+                                        pitch, mode_cmd->width * format->planes[i].stride_bpp);
+                        ret = -EINVAL;
+                        goto fail;
+                }
 
-        omap_fb->bo = bo;
-        omap_fb->size = size;
+                size = pitch * mode_cmd->height / format->planes[i].sub_y;
 
-        if (omap_gem_get_paddr(bo, &omap_fb->paddr, true)) {
-                dev_err(dev->dev, "could not map (paddr)!\n");
-                goto fail;
+                if (size > (bos[i]->size - mode_cmd->offsets[i])) {
+                        dev_err(dev->dev, "provided buffer object is too small! %d < %d\n",
+                                        bos[i]->size - mode_cmd->offsets[i], size);
+                        ret = -EINVAL;
+                        goto fail;
+                }
+
+                plane->bo     = bos[i];
+                plane->offset = mode_cmd->offsets[i];
+                plane->pitch  = mode_cmd->pitches[i];
+                plane->paddr  = pitch;
         }
 
         drm_helper_mode_fill_fb_struct(fb, mode_cmd);
@@ -239,5 +349,5 @@ fail:
         if (fb) {
                 omap_framebuffer_destroy(fb);
         }
-        return NULL;
+        return ERR_PTR(ret);
 }
diff --git a/drivers/staging/omapdrm/omap_fbdev.c b/drivers/staging/omapdrm/omap_fbdev.c
index 093ae2f87b20..96940bbfc6f4 100644
--- a/drivers/staging/omapdrm/omap_fbdev.c
+++ b/drivers/staging/omapdrm/omap_fbdev.c
@@ -129,10 +129,8 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
         struct drm_framebuffer *fb = NULL;
         union omap_gem_size gsize;
         struct fb_info *fbi = NULL;
-        struct drm_mode_fb_cmd mode_cmd = {0};
+        struct drm_mode_fb_cmd2 mode_cmd = {0};
         dma_addr_t paddr;
-        void __iomem *vaddr;
-        int size, screen_width;
         int ret;
 
         /* only doing ARGB32 since this is what is needed to alpha-blend
@@ -145,36 +143,56 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
                         sizes->surface_height, sizes->surface_bpp,
                         sizes->fb_width, sizes->fb_height);
 
+        mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp,
+                        sizes->surface_depth);
+
         mode_cmd.width = sizes->surface_width;
         mode_cmd.height = sizes->surface_height;
 
-        mode_cmd.bpp = sizes->surface_bpp;
-        mode_cmd.depth = sizes->surface_depth;
-
-        mode_cmd.pitch = align_pitch(
-                        mode_cmd.width * ((mode_cmd.bpp + 7) / 8),
-                        mode_cmd.width, mode_cmd.bpp);
+        mode_cmd.pitches[0] = align_pitch(
+                        mode_cmd.width * ((sizes->surface_bpp + 7) / 8),
+                        mode_cmd.width, sizes->surface_bpp);
 
         fbdev->ywrap_enabled = priv->has_dmm && ywrap_enabled;
         if (fbdev->ywrap_enabled) {
                 /* need to align pitch to page size if using DMM scrolling */
-                mode_cmd.pitch = ALIGN(mode_cmd.pitch, PAGE_SIZE);
+                mode_cmd.pitches[0] = ALIGN(mode_cmd.pitches[0], PAGE_SIZE);
         }
 
         /* allocate backing bo */
         gsize = (union omap_gem_size){
-                .bytes = PAGE_ALIGN(mode_cmd.pitch * mode_cmd.height),
+                .bytes = PAGE_ALIGN(mode_cmd.pitches[0] * mode_cmd.height),
         };
         DBG("allocating %d bytes for fb %d", gsize.bytes, dev->primary->index);
         fbdev->bo = omap_gem_new(dev, gsize, OMAP_BO_SCANOUT | OMAP_BO_WC);
         if (!fbdev->bo) {
                 dev_err(dev->dev, "failed to allocate buffer object\n");
+                ret = -ENOMEM;
                 goto fail;
         }
 
-        fb = omap_framebuffer_init(dev, &mode_cmd, fbdev->bo);
-        if (!fb) {
+        fb = omap_framebuffer_init(dev, &mode_cmd, &fbdev->bo);
+        if (IS_ERR(fb)) {
                 dev_err(dev->dev, "failed to allocate fb\n");
+                /* note: if fb creation failed, we can't rely on fb destroy
+                 * to unref the bo:
+                 */
+                drm_gem_object_unreference(fbdev->bo);
+                ret = PTR_ERR(fb);
+                goto fail;
+        }
+
+        /* note: this keeps the bo pinned.. which is perhaps not ideal,
+         * but is needed as long as we use fb_mmap() to mmap to userspace
+         * (since this happens using fix.smem_start).  Possibly we could
+         * implement our own mmap using GEM mmap support to avoid this
+         * (non-tiled buffer doesn't need to be pinned for fbcon to write
+         * to it).  Then we just need to be sure that we are able to re-
+         * pin it in case of an opps.
+         */
+        ret = omap_gem_get_paddr(fbdev->bo, &paddr, true);
+        if (ret) {
+                dev_err(dev->dev, "could not map (paddr)!\n");
                 ret = -ENOMEM;
                 goto fail;
         }
@@ -206,18 +224,15 @@ static int omap_fbdev_create(struct drm_fb_helper *helper,
                 goto fail_unlock;
         }
 
-        drm_fb_helper_fill_fix(fbi, fb->pitch, fb->depth);
+        drm_fb_helper_fill_fix(fbi, fb->pitches[0], fb->depth);
         drm_fb_helper_fill_var(fbi, helper, sizes->fb_width, sizes->fb_height);
 
-        size = omap_framebuffer_get_buffer(fb, 0, 0,
-                        &vaddr, &paddr, &screen_width);
-
         dev->mode_config.fb_base = paddr;
 
-        fbi->screen_base = vaddr;
-        fbi->screen_size = size;
+        fbi->screen_base = omap_gem_vaddr(fbdev->bo);
+        fbi->screen_size = fbdev->bo->size;
         fbi->fix.smem_start = paddr;
-        fbi->fix.smem_len = size;
+        fbi->fix.smem_len = fbdev->bo->size;
 
         /* if we have DMM, then we can use it for scrolling by just
          * shuffling pages around in DMM rather than doing sw blit.
@@ -362,11 +377,11 @@ void omap_fbdev_free(struct drm_device *dev)
 
         fbdev = to_omap_fbdev(priv->fbdev);
 
-        kfree(fbdev);
-
         /* this will free the backing object */
         if (fbdev->fb)
                 fbdev->fb->funcs->destroy(fbdev->fb);
 
+        kfree(fbdev);
+
         priv->fbdev = NULL;
 }
diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c
index e0ebd1d139f6..b7d6f886c5cf 100644
--- a/drivers/staging/omapdrm/omap_gem.c
+++ b/drivers/staging/omapdrm/omap_gem.c
@@ -116,6 +116,9 @@ struct omap_gem_object {
         } *sync;
 };
 
+static int get_pages(struct drm_gem_object *obj, struct page ***pages);
+static uint64_t mmap_offset(struct drm_gem_object *obj);
+
 /* To deal with userspace mmap'ings of 2d tiled buffers, which (a) are
  * not necessarily pinned in TILER all the time, and (b) when they are
  * they are not necessarily page aligned, we reserve one or more small
@@ -149,7 +152,7 @@ static void evict_entry(struct drm_gem_object *obj,
 {
         if (obj->dev->dev_mapping) {
                 size_t size = PAGE_SIZE * usergart[fmt].height;
-                loff_t off = omap_gem_mmap_offset(obj) +
+                loff_t off = mmap_offset(obj) +
                                 (entry->obj_pgoff << PAGE_SHIFT);
                 unmap_mapping_range(obj->dev->dev_mapping, off, size, 1);
         }
@@ -189,8 +192,6 @@ static inline bool is_shmem(struct drm_gem_object *obj)
         return obj->filp != NULL;
 }
 
-static int get_pages(struct drm_gem_object *obj, struct page ***pages);
-
 static DEFINE_SPINLOCK(sync_lock);
 
 /** ensure backing pages are allocated */
@@ -251,7 +252,7 @@ static void omap_gem_detach_pages(struct drm_gem_object *obj)
 }
 
 /** get mmap offset */
-uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
+static uint64_t mmap_offset(struct drm_gem_object *obj)
 {
         if (!obj->map_list.map) {
                 /* Make it mmapable */
@@ -267,6 +268,15 @@ uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
         return (uint64_t)obj->map_list.hash.key << PAGE_SHIFT;
 }
 
+uint64_t omap_gem_mmap_offset(struct drm_gem_object *obj)
+{
+        uint64_t offset;
+        mutex_lock(&obj->dev->struct_mutex);
+        offset = mmap_offset(obj);
+        mutex_unlock(&obj->dev->struct_mutex);
+        return offset;
+}
+
 /** get mmap size */
 size_t omap_gem_mmap_size(struct drm_gem_object *obj)
 {
@@ -1034,6 +1044,11 @@ void omap_gem_free_object(struct drm_gem_object *obj)
                 drm_gem_free_mmap_offset(obj);
         }
 
+        /* this means the object is still pinned.. which really should
+         * not happen.  I think..
+         */
+        WARN_ON(omap_obj->paddr_cnt > 0);
+
         /* don't free externally allocated backing memory */
         if (!(omap_obj->flags & OMAP_BO_EXT_MEM)) {
                 if (omap_obj->pages) {
diff --git a/drivers/staging/omapdrm/omap_plane.c b/drivers/staging/omapdrm/omap_plane.c
new file mode 100644
index 000000000000..97909124a1fe
--- /dev/null
+++ b/drivers/staging/omapdrm/omap_plane.c
@@ -0,0 +1,344 @@
+/*
+ * drivers/staging/omapdrm/omap_plane.c
+ *
+ * Copyright (C) 2011 Texas Instruments
+ * Author: Rob Clark <rob.clark@linaro.org>
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "omap_drv.h"
+
+/* some hackery because omapdss has an 'enum omap_plane' (which would be
+ * better named omap_plane_id).. and compiler seems unhappy about having
+ * both a 'struct omap_plane' and 'enum omap_plane'
+ */
+#define omap_plane _omap_plane
+
+/*
+ * plane funcs
+ */
+
+#define to_omap_plane(x) container_of(x, struct omap_plane, base)
+
+struct omap_plane {
+        struct drm_plane base;
+        struct omap_overlay *ovl;
+        struct omap_overlay_info info;
+
+        /* Source values, converted to integers because we don't support
+         * fractional positions:
+         */
+        unsigned int src_x, src_y;
+
+        /* last fb that we pinned: */
+        struct drm_framebuffer *pinned_fb;
+};
+
+
+/* push changes down to dss2 */
+static int commit(struct drm_plane *plane)
+{
+        struct drm_device *dev = plane->dev;
+        struct omap_plane *omap_plane = to_omap_plane(plane);
+        struct omap_overlay *ovl = omap_plane->ovl;
+        struct omap_overlay_info *info = &omap_plane->info;
+        int ret;
+
+        DBG("%s", ovl->name);
+        DBG("%dx%d -> %dx%d (%d)", info->width, info->height, info->out_width,
+                        info->out_height, info->screen_width);
+        DBG("%d,%d %08x %08x", info->pos_x, info->pos_y,
+                        info->paddr, info->p_uv_addr);
+
+        /* NOTE: do we want to do this at all here, or just wait
+         * for dpms(ON) since other CRTC's may not have their mode
+         * set yet, so fb dimensions may still change..
+         */
+        ret = ovl->set_overlay_info(ovl, info);
+        if (ret) {
+                dev_err(dev->dev, "could not set overlay info\n");
+                return ret;
+        }
+
+        /* our encoder doesn't necessarily get a commit() after this, in
+         * particular in the dpms() and mode_set_base() cases, so force the
+         * manager to update:
+         *
+         * could this be in the encoder somehow?
+         */
+        if (ovl->manager) {
+                ret = ovl->manager->apply(ovl->manager);
+                if (ret) {
+                        dev_err(dev->dev, "could not apply settings\n");
+                        return ret;
+                }
+        }
+
+        if (ovl->is_enabled(ovl)) {
+                omap_framebuffer_flush(plane->fb, info->pos_x, info->pos_y,
+                                info->out_width, info->out_height);
+        }
+
+        return 0;
+}
+
+/* when CRTC that we are attached to has potentially changed, this checks
+ * if we are attached to proper manager, and if necessary updates.
+ */
+static void update_manager(struct drm_plane *plane)
+{
+        struct omap_drm_private *priv = plane->dev->dev_private;
+        struct omap_plane *omap_plane = to_omap_plane(plane);
+        struct omap_overlay *ovl = omap_plane->ovl;
+        struct omap_overlay_manager *mgr = NULL;
+        int i;
+
+        if (plane->crtc) {
+                for (i = 0; i < priv->num_encoders; i++) {
+                        struct drm_encoder *encoder = priv->encoders[i];
+                        if (encoder->crtc == plane->crtc) {
+                                mgr = omap_encoder_get_manager(encoder);
+                                break;
+                        }
+                }
+        }
+
+        if (ovl->manager != mgr) {
+                bool enabled = ovl->is_enabled(ovl);
+
+                /* don't switch things around with enabled overlays: */
+                if (enabled)
+                        omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+
+                if (ovl->manager) {
+                        DBG("disconnecting %s from %s", ovl->name,
+                                        ovl->manager->name);
+                        ovl->unset_manager(ovl);
+                }
+
+                if (mgr) {
+                        DBG("connecting %s to %s", ovl->name, mgr->name);
+                        ovl->set_manager(ovl, mgr);
+                }
+
+                if (enabled && mgr)
+                        omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+        }
+}
+
+/* update which fb (if any) is pinned for scanout */
+static int update_pin(struct drm_plane *plane, struct drm_framebuffer *fb)
+{
+        struct omap_plane *omap_plane = to_omap_plane(plane);
+        int ret = 0;
+
+        if (omap_plane->pinned_fb != fb) {
+                if (omap_plane->pinned_fb)
+                        omap_framebuffer_unpin(omap_plane->pinned_fb);
+                omap_plane->pinned_fb = fb;
+                if (fb)
+                        ret = omap_framebuffer_pin(fb);
+        }
+
+        return ret;
+}
+
+/* update parameters that are dependent on the framebuffer dimensions and
+ * position within the fb that this plane scans out from. This is called
+ * when framebuffer or x,y base may have changed.
+ */
+static void update_scanout(struct drm_plane *plane)
+{
+        struct omap_plane *omap_plane = to_omap_plane(plane);
+        struct omap_overlay_info *info = &omap_plane->info;
+        int ret;
+
+        ret = update_pin(plane, plane->fb);
+        if (ret) {
+                dev_err(plane->dev->dev,
+                        "could not pin fb: %d\n", ret);
+                omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+                return;
+        }
+
+        omap_framebuffer_update_scanout(plane->fb,
+                        omap_plane->src_x, omap_plane->src_y, info);
+
+        DBG("%s: %d,%d: %08x %08x (%d)", omap_plane->ovl->name,
+                        omap_plane->src_x, omap_plane->src_y,
+                        (u32)info->paddr, (u32)info->p_uv_addr,
+                        info->screen_width);
+}
+
+int omap_plane_mode_set(struct drm_plane *plane,
+                struct drm_crtc *crtc, struct drm_framebuffer *fb,
+                int crtc_x, int crtc_y,
+                unsigned int crtc_w, unsigned int crtc_h,
+                uint32_t src_x, uint32_t src_y,
+                uint32_t src_w, uint32_t src_h)
+{
+        struct omap_plane *omap_plane = to_omap_plane(plane);
+
+        /* src values are in Q16 fixed point, convert to integer: */
+        src_x = src_x >> 16;
+        src_y = src_y >> 16;
+        src_w = src_w >> 16;
+        src_h = src_h >> 16;
+
+        omap_plane->info.pos_x = crtc_x;
+        omap_plane->info.pos_y = crtc_y;
+        omap_plane->info.out_width = crtc_w;
+        omap_plane->info.out_height = crtc_h;
+        omap_plane->info.width = src_w;
+        omap_plane->info.height = src_h;
+        omap_plane->src_x = src_x;
+        omap_plane->src_y = src_y;
+
+        /* note: this is done after this fxn returns.. but if we need
+         * to do a commit/update_scanout, etc before this returns we
+         * need the current value.
+         */
+        plane->fb = fb;
+        plane->crtc = crtc;
+
+        update_scanout(plane);
+        update_manager(plane);
+
+        return 0;
+}
+
+static int omap_plane_update(struct drm_plane *plane,
+                struct drm_crtc *crtc, struct drm_framebuffer *fb,
+                int crtc_x, int crtc_y,
+                unsigned int crtc_w, unsigned int crtc_h,
+                uint32_t src_x, uint32_t src_y,
+                uint32_t src_w, uint32_t src_h)
+{
+        omap_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, crtc_w, crtc_h,
+                        src_x, src_y, src_w, src_h);
+        return omap_plane_dpms(plane, DRM_MODE_DPMS_ON);
+}
+
+static int omap_plane_disable(struct drm_plane *plane)
+{
+        return omap_plane_dpms(plane, DRM_MODE_DPMS_OFF);
+}
+
+static void omap_plane_destroy(struct drm_plane *plane)
+{
+        struct omap_plane *omap_plane = to_omap_plane(plane);
+        DBG("%s", omap_plane->ovl->name);
+        omap_plane_disable(plane);
+        drm_plane_cleanup(plane);
+        kfree(omap_plane);
+}
+
+int omap_plane_dpms(struct drm_plane *plane, int mode)
+{
+        struct omap_plane *omap_plane = to_omap_plane(plane);
+        struct omap_overlay *ovl = omap_plane->ovl;
+        int r;
+
+        DBG("%s: %d", omap_plane->ovl->name, mode);
+
+        if (mode == DRM_MODE_DPMS_ON) {
+                update_scanout(plane);
+                r = commit(plane);
+                if (!r)
+                        r = ovl->enable(ovl);
+        } else {
+                r = ovl->disable(ovl);
+                update_pin(plane, NULL);
+        }
+
+        return r;
+}
+
+static const struct drm_plane_funcs omap_plane_funcs = {
+                .update_plane = omap_plane_update,
+                .disable_plane = omap_plane_disable,
+                .destroy = omap_plane_destroy,
+};
+
+static const uint32_t formats[] = {
+                DRM_FORMAT_RGB565,
+                DRM_FORMAT_RGBX4444,
+                DRM_FORMAT_XRGB4444,
+                DRM_FORMAT_RGBA4444,
+                DRM_FORMAT_ABGR4444,
+                DRM_FORMAT_XRGB1555,
+                DRM_FORMAT_ARGB1555,
+                DRM_FORMAT_RGB888,
+                DRM_FORMAT_RGBX8888,
+                DRM_FORMAT_XRGB8888,
+                DRM_FORMAT_RGBA8888,
+                DRM_FORMAT_ARGB8888,
+                DRM_FORMAT_NV12,
+                DRM_FORMAT_YUYV,
+                DRM_FORMAT_UYVY,
+};
+
+/* initialize plane */
+struct drm_plane *omap_plane_init(struct drm_device *dev,
+                struct omap_overlay *ovl, unsigned int possible_crtcs,
+                bool priv)
+{
+        struct drm_plane *plane = NULL;
+        struct omap_plane *omap_plane;
+
+        DBG("%s: possible_crtcs=%08x, priv=%d", ovl->name,
+                        possible_crtcs, priv);
+
+        omap_plane = kzalloc(sizeof(*omap_plane), GFP_KERNEL);
+        if (!omap_plane) {
+                dev_err(dev->dev, "could not allocate plane\n");
+                goto fail;
+        }
+
+        omap_plane->ovl = ovl;
+        plane = &omap_plane->base;
+
+        drm_plane_init(dev, plane, possible_crtcs, &omap_plane_funcs,
+                        formats, ARRAY_SIZE(formats), priv);
+
+        /* get our starting configuration, set defaults for parameters
+         * we don't currently use, etc:
+         */
+        ovl->get_overlay_info(ovl, &omap_plane->info);
+        omap_plane->info.rotation_type = OMAP_DSS_ROT_DMA;
+        omap_plane->info.rotation = OMAP_DSS_ROT_0;
+        omap_plane->info.global_alpha = 0xff;
+        omap_plane->info.mirror = 0;
+        omap_plane->info.mirror = 0;
+
+        /* Set defaults depending on whether we are a CRTC or overlay
+         * layer.
+         * TODO add ioctl to give userspace an API to change this.. this
+         * will come in a subsequent patch.
+         */
+        if (priv)
+                omap_plane->info.zorder = 0;
+        else
+                omap_plane->info.zorder = 1;
+
+        update_manager(plane);
+
+        return plane;
+
+fail:
+        if (plane) {
+                omap_plane_destroy(plane);
+        }
+        return NULL;
+}
diff --git a/drivers/staging/omapdrm/omap_priv.h b/drivers/staging/omapdrm/omap_priv.h
index c324709aa9a1..ef6441447147 100644
--- a/drivers/staging/omapdrm/omap_priv.h
+++ b/drivers/staging/omapdrm/omap_priv.h
@@ -27,14 +27,22 @@
  * pipes/overlays/CRTCs are used.. if this is not provided, then instead the
  * first CONFIG_DRM_OMAP_NUM_CRTCS are used, and they are each connected to
  * one manager, with priority given to managers that are connected to
- * detected devices.  This should be a good default behavior for most cases,
- * but yet there still might be times when you wish to do something different.
+ * detected devices.  Remaining overlays are used as video planes.  This
+ * should be a good default behavior for most cases, but yet there still
+ * might be times when you wish to do something different.
  */
 struct omap_kms_platform_data {
+        /* overlays to use as CRTCs: */
         int ovl_cnt;
         const int *ovl_ids;
+
+        /* overlays to use as video planes: */
+        int pln_cnt;
+        const int *pln_ids;
+
         int mgr_cnt;
         const int *mgr_ids;
+
         int dev_cnt;
         const char **dev_names;
 };
diff --git a/drivers/staging/pohmelfs/Kconfig b/drivers/staging/pohmelfs/Kconfig
deleted file mode 100644
index 8d53b1a1e715..000000000000
--- a/drivers/staging/pohmelfs/Kconfig
+++ /dev/null
@@ -1,20 +0,0 @@
-config POHMELFS
-        tristate "POHMELFS filesystem support"
-        depends on NET
-        select CONNECTOR
-        select CRYPTO
-        select CRYPTO_BLKCIPHER
-        select CRYPTO_HMAC
-        help
-          POHMELFS stands for Parallel Optimized Host Message Exchange Layered
-          File System.  This is a network filesystem which supports coherent
-          caching of data and metadata on clients.
-
-config POHMELFS_DEBUG
-        bool "POHMELFS debugging"
-        depends on POHMELFS
-        default n
-        help
-          Turns on excessive POHMELFS debugging facilities.
-          You usually do not want to slow things down noticeably and get really
-          lots of kernel messages in syslog.
diff --git a/drivers/staging/pohmelfs/Makefile b/drivers/staging/pohmelfs/Makefile
deleted file mode 100644
index 196561ca26bc..000000000000
--- a/drivers/staging/pohmelfs/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-obj-$(CONFIG_POHMELFS)  += pohmelfs.o
-
-pohmelfs-y := inode.o config.o dir.o net.o path_entry.o trans.o crypto.o lock.o mcache.o
diff --git a/drivers/staging/pohmelfs/config.c b/drivers/staging/pohmelfs/config.c
deleted file mode 100644
index b6c42cb0d1c6..000000000000
--- a/drivers/staging/pohmelfs/config.c
+++ /dev/null
@@ -1,611 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/connector.h>
-#include <linux/crypto.h>
-#include <linux/list.h>
-#include <linux/mutex.h>
-#include <linux/string.h>
-#include <linux/in.h>
-#include <linux/slab.h>
-
-#include "netfs.h"
-
-/*
- * Global configuration list.
- * Each client can be asked to get one of them.
- *
- * Allows to provide remote server address (ipv4/v6/whatever), port
- * and so on via kernel connector.
- */
-
-static struct cb_id pohmelfs_cn_id = {.idx = POHMELFS_CN_IDX, .val = POHMELFS_CN_VAL};
-static LIST_HEAD(pohmelfs_config_list);
-static DEFINE_MUTEX(pohmelfs_config_lock);
-
-static inline int pohmelfs_config_eql(struct pohmelfs_ctl *sc, struct pohmelfs_ctl *ctl)
-{
-        if (sc->idx == ctl->idx && sc->type == ctl->type &&
-                        sc->proto == ctl->proto &&
-                        sc->addrlen == ctl->addrlen &&
-                        !memcmp(&sc->addr, &ctl->addr, ctl->addrlen))
-                return 1;
-
-        return 0;
-}
-
-static struct pohmelfs_config_group *pohmelfs_find_config_group(unsigned int idx)
-{
-        struct pohmelfs_config_group *g, *group = NULL;
-
-        list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-                if (g->idx == idx) {
-                        group = g;
-                        break;
-                }
-        }
-
-        return group;
-}
-
-static struct pohmelfs_config_group *pohmelfs_find_create_config_group(unsigned int idx)
-{
-        struct pohmelfs_config_group *g;
-
-        g = pohmelfs_find_config_group(idx);
-        if (g)
-                return g;
-
-        g = kzalloc(sizeof(struct pohmelfs_config_group), GFP_KERNEL);
-        if (!g)
-                return NULL;
-
-        INIT_LIST_HEAD(&g->config_list);
-        g->idx = idx;
-        g->num_entry = 0;
-
-        list_add_tail(&g->group_entry, &pohmelfs_config_list);
-
-        return g;
-}
-
-static inline void pohmelfs_insert_config_entry(struct pohmelfs_sb *psb, struct pohmelfs_config *dst)
-{
-        struct pohmelfs_config *tmp;
-
-        INIT_LIST_HEAD(&dst->config_entry);
-
-        list_for_each_entry(tmp, &psb->state_list, config_entry) {
-                if (dst->state.ctl.prio > tmp->state.ctl.prio)
-                        list_add_tail(&dst->config_entry, &tmp->config_entry);
-        }
-        if (list_empty(&dst->config_entry))
-                list_add_tail(&dst->config_entry, &psb->state_list);
-}
-
-static int pohmelfs_move_config_entry(struct pohmelfs_sb *psb,
-                struct pohmelfs_config *dst, struct pohmelfs_config *new)
-{
-        if ((dst->state.ctl.prio == new->state.ctl.prio) &&
-                (dst->state.ctl.perm == new->state.ctl.perm))
-                return 0;
-
-        dprintk("%s: dst: prio: %d, perm: %x, new: prio: %d, perm: %d.\n",
-                        __func__, dst->state.ctl.prio, dst->state.ctl.perm,
-                        new->state.ctl.prio, new->state.ctl.perm);
-        dst->state.ctl.prio = new->state.ctl.prio;
-        dst->state.ctl.perm = new->state.ctl.perm;
-
-        list_del_init(&dst->config_entry);
-        pohmelfs_insert_config_entry(psb, dst);
-        return 0;
-}
-
-/*
- * pohmelfs_copy_config() is used to copy new state configs from the
- * config group (controlled by the netlink messages) into the superblock.
- * This happens either at startup time where no transactions can access
- * the list of the configs (and thus list of the network states), or at
- * run-time, where it is protected by the psb->state_lock.
- */
-int pohmelfs_copy_config(struct pohmelfs_sb *psb)
-{
-        struct pohmelfs_config_group *g;
-        struct pohmelfs_config *c, *dst;
-        int err = -ENODEV;
-
-        mutex_lock(&pohmelfs_config_lock);
-
-        g = pohmelfs_find_config_group(psb->idx);
-        if (!g)
-                goto out_unlock;
-
-        /*
-         * Run over all entries in given config group and try to create and
-         * initialize those, which do not exist in superblock list.
-         * Skip all existing entries.
-         */
-
-        list_for_each_entry(c, &g->config_list, config_entry) {
-                err = 0;
-                list_for_each_entry(dst, &psb->state_list, config_entry) {
-                        if (pohmelfs_config_eql(&dst->state.ctl, &c->state.ctl)) {
-                                err = pohmelfs_move_config_entry(psb, dst, c);
-                                if (!err)
-                                        err = -EEXIST;
-                                break;
-                        }
-                }
-
-                if (err)
-                        continue;
-
-                dst = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL);
-                if (!dst) {
-                        err = -ENOMEM;
-                        break;
-                }
-
-                memcpy(&dst->state.ctl, &c->state.ctl, sizeof(struct pohmelfs_ctl));
-
-                pohmelfs_insert_config_entry(psb, dst);
-
-                err = pohmelfs_state_init_one(psb, dst);
-                if (err) {
-                        list_del(&dst->config_entry);
-                        kfree(dst);
-                }
-
-                err = 0;
-        }
-
-out_unlock:
-        mutex_unlock(&pohmelfs_config_lock);
-
-        return err;
-}
-
-int pohmelfs_copy_crypto(struct pohmelfs_sb *psb)
-{
-        struct pohmelfs_config_group *g;
-        int err = -ENOENT;
-
-        mutex_lock(&pohmelfs_config_lock);
-        g = pohmelfs_find_config_group(psb->idx);
-        if (!g)
-                goto err_out_exit;
-
-        if (g->hash_string) {
-                err = -ENOMEM;
-                psb->hash_string = kstrdup(g->hash_string, GFP_KERNEL);
-                if (!psb->hash_string)
-                        goto err_out_exit;
-                psb->hash_strlen = g->hash_strlen;
-        }
-
-        if (g->cipher_string) {
-                psb->cipher_string = kstrdup(g->cipher_string, GFP_KERNEL);
-                if (!psb->cipher_string)
-                        goto err_out_free_hash_string;
-                psb->cipher_strlen = g->cipher_strlen;
-        }
-
-        if (g->hash_keysize) {
-                psb->hash_key = kmemdup(g->hash_key, g->hash_keysize,
-                                        GFP_KERNEL);
-                if (!psb->hash_key)
-                        goto err_out_free_cipher_string;
-                psb->hash_keysize = g->hash_keysize;
-        }
-
-        if (g->cipher_keysize) {
-                psb->cipher_key = kmemdup(g->cipher_key, g->cipher_keysize,
-                                          GFP_KERNEL);
-                if (!psb->cipher_key)
-                        goto err_out_free_hash;
-                psb->cipher_keysize = g->cipher_keysize;
-        }
-
-        mutex_unlock(&pohmelfs_config_lock);
-
-        return 0;
-
-err_out_free_hash:
-        kfree(psb->hash_key);
-err_out_free_cipher_string:
-        kfree(psb->cipher_string);
-err_out_free_hash_string:
-        kfree(psb->hash_string);
-err_out_exit:
-        mutex_unlock(&pohmelfs_config_lock);
-        return err;
-}
-
-static int pohmelfs_send_reply(int err, int msg_num, int action, struct cn_msg *msg, struct pohmelfs_ctl *ctl)
-{
-        struct pohmelfs_cn_ack *ack;
-
-        ack = kzalloc(sizeof(struct pohmelfs_cn_ack), GFP_KERNEL);
-        if (!ack)
-                return -ENOMEM;
-
-        memcpy(&ack->msg, msg, sizeof(struct cn_msg));
-
-        if (action == POHMELFS_CTLINFO_ACK)
-                memcpy(&ack->ctl, ctl, sizeof(struct pohmelfs_ctl));
-
-        ack->msg.len = sizeof(struct pohmelfs_cn_ack) - sizeof(struct cn_msg);
-        ack->msg.ack = msg->ack + 1;
-        ack->error = err;
-        ack->msg_num = msg_num;
-
-        cn_netlink_send(&ack->msg, 0, GFP_KERNEL);
-        kfree(ack);
-        return 0;
-}
-
-static int pohmelfs_cn_disp(struct cn_msg *msg)
-{
-        struct pohmelfs_config_group *g;
-        struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-        struct pohmelfs_config *c, *tmp;
-        int err = 0, i = 1;
-
-        if (msg->len != sizeof(struct pohmelfs_ctl))
-                return -EBADMSG;
-
-        mutex_lock(&pohmelfs_config_lock);
-
-        g = pohmelfs_find_config_group(ctl->idx);
-        if (!g) {
-                pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL);
-                goto out_unlock;
-        }
-
-        list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-                struct pohmelfs_ctl *sc = &c->state.ctl;
-                if (pohmelfs_send_reply(err, g->num_entry - i, POHMELFS_CTLINFO_ACK, msg, sc)) {
-                        err = -ENOMEM;
-                        goto out_unlock;
-                }
-                i += 1;
-        }
-
- out_unlock:
-        mutex_unlock(&pohmelfs_config_lock);
-        return err;
-}
-
-static int pohmelfs_cn_dump(struct cn_msg *msg)
-{
-        struct pohmelfs_config_group *g;
-        struct pohmelfs_config *c, *tmp;
-        int err = 0, i = 1;
-        int total_msg = 0;
-
-        if (msg->len != sizeof(struct pohmelfs_ctl))
-                return -EBADMSG;
-
-        mutex_lock(&pohmelfs_config_lock);
-
-        list_for_each_entry(g, &pohmelfs_config_list, group_entry)
-                total_msg += g->num_entry;
-        if (total_msg == 0) {
-                if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-                        err = -ENOMEM;
-                goto out_unlock;
-        }
-
-        list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-                list_for_each_entry_safe(c, tmp, &g->config_list,
-                                         config_entry) {
-                        struct pohmelfs_ctl *sc = &c->state.ctl;
-                        if (pohmelfs_send_reply(err, total_msg - i,
-                                                POHMELFS_CTLINFO_ACK, msg,
-                                                sc)) {
-                                err = -ENOMEM;
-                                goto out_unlock;
-                        }
-                        i += 1;
-                }
-        }
-
-out_unlock:
-        mutex_unlock(&pohmelfs_config_lock);
-        return err;
-}
-
-static int pohmelfs_cn_flush(struct cn_msg *msg)
-{
-        struct pohmelfs_config_group *g;
-        struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-        struct pohmelfs_config *c, *tmp;
-        int err = 0;
-
-        if (msg->len != sizeof(struct pohmelfs_ctl))
-                return -EBADMSG;
-
-        mutex_lock(&pohmelfs_config_lock);
-
-        if (ctl->idx != POHMELFS_NULL_IDX) {
-                g = pohmelfs_find_config_group(ctl->idx);
-
-                if (!g)
-                        goto out_unlock;
-
-                list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-                        list_del(&c->config_entry);
-                        g->num_entry--;
-                        kfree(c);
-                }
-        } else {
-                list_for_each_entry(g, &pohmelfs_config_list, group_entry) {
-                        list_for_each_entry_safe(c, tmp, &g->config_list,
-                                                 config_entry) {
-                                list_del(&c->config_entry);
-                                g->num_entry--;
-                                kfree(c);
-                        }
-                }
-        }
-
-out_unlock:
-        mutex_unlock(&pohmelfs_config_lock);
-        pohmelfs_cn_dump(msg);
-
-        return err;
-}
-
-static int pohmelfs_modify_config(struct pohmelfs_ctl *old, struct pohmelfs_ctl *new)
-{
-        old->perm = new->perm;
-        old->prio = new->prio;
-        return 0;
-}
-
-static int pohmelfs_cn_ctl(struct cn_msg *msg, int action)
-{
-        struct pohmelfs_config_group *g;
-        struct pohmelfs_ctl *ctl = (struct pohmelfs_ctl *)msg->data;
-        struct pohmelfs_config *c, *tmp;
-        int err = 0;
-
-        if (msg->len != sizeof(struct pohmelfs_ctl))
-                return -EBADMSG;
-
-        mutex_lock(&pohmelfs_config_lock);
-
-        g = pohmelfs_find_create_config_group(ctl->idx);
-        if (!g) {
-                err = -ENOMEM;
-                goto out_unlock;
-        }
-
-        list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-                struct pohmelfs_ctl *sc = &c->state.ctl;
-
-                if (pohmelfs_config_eql(sc, ctl)) {
-                        if (action == POHMELFS_FLAGS_ADD) {
-                                err = -EEXIST;
-                                goto out_unlock;
-                        } else if (action == POHMELFS_FLAGS_DEL) {
-                                list_del(&c->config_entry);
-                                g->num_entry--;
-                                kfree(c);
-                                goto out_unlock;
-                        } else if (action == POHMELFS_FLAGS_MODIFY) {
-                                err = pohmelfs_modify_config(sc, ctl);
-                                goto out_unlock;
-                        } else {
-                                err = -EEXIST;
-                                goto out_unlock;
-                        }
-                }
-        }
-        if (action == POHMELFS_FLAGS_DEL) {
-                err = -EBADMSG;
-                goto out_unlock;
-        }
-
-        c = kzalloc(sizeof(struct pohmelfs_config), GFP_KERNEL);
-        if (!c) {
-                err = -ENOMEM;
-                goto out_unlock;
-        }
-        memcpy(&c->state.ctl, ctl, sizeof(struct pohmelfs_ctl));
-        g->num_entry++;
-
-        list_add_tail(&c->config_entry, &g->config_list);
-
- out_unlock:
-        mutex_unlock(&pohmelfs_config_lock);
-        if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-                err = -ENOMEM;
-
-        return err;
-}
-
-static int pohmelfs_crypto_hash_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c)
-{
-        char *algo = (char *)c->data;
-        u8 *key = (u8 *)(algo + c->strlen);
-
-        if (g->hash_string)
-                return -EEXIST;
-
-        g->hash_string = kstrdup(algo, GFP_KERNEL);
-        if (!g->hash_string)
-                return -ENOMEM;
-        g->hash_strlen = c->strlen;
-        g->hash_keysize = c->keysize;
-
-        g->hash_key = kmemdup(key, c->keysize, GFP_KERNEL);
-        if (!g->hash_key) {
-                kfree(g->hash_string);
-                return -ENOMEM;
-        }
-
-        return 0;
-}
-
-static int pohmelfs_crypto_cipher_init(struct pohmelfs_config_group *g, struct pohmelfs_crypto *c)
-{
-        char *algo = (char *)c->data;
-        u8 *key = (u8 *)(algo + c->strlen);
-
-        if (g->cipher_string)
-                return -EEXIST;
-
-        g->cipher_string = kstrdup(algo, GFP_KERNEL);
-        if (!g->cipher_string)
-                return -ENOMEM;
-        g->cipher_strlen = c->strlen;
-        g->cipher_keysize = c->keysize;
-
-        g->cipher_key = kmemdup(key, c->keysize, GFP_KERNEL);
-        if (!g->cipher_key) {
-                kfree(g->cipher_string);
-                return -ENOMEM;
-        }
-
-        return 0;
-}
-
-static int pohmelfs_cn_crypto(struct cn_msg *msg)
-{
-        struct pohmelfs_crypto *crypto = (struct pohmelfs_crypto *)msg->data;
-        struct pohmelfs_config_group *g;
-        int err = 0;
-
-        dprintk("%s: idx: %u, strlen: %u, type: %u, keysize: %u, algo: %s.\n",
-                        __func__, crypto->idx, crypto->strlen, crypto->type,
-                        crypto->keysize, (char *)crypto->data);
-
-        mutex_lock(&pohmelfs_config_lock);
-        g = pohmelfs_find_create_config_group(crypto->idx);
-        if (!g) {
-                err = -ENOMEM;
-                goto out_unlock;
-        }
-
-        switch (crypto->type) {
-        case POHMELFS_CRYPTO_HASH:
-                        err = pohmelfs_crypto_hash_init(g, crypto);
-                        break;
-        case POHMELFS_CRYPTO_CIPHER:
-                        err = pohmelfs_crypto_cipher_init(g, crypto);
-                        break;
-        default:
-                        err = -ENOTSUPP;
-                        break;
-        }
-
-out_unlock:
-        mutex_unlock(&pohmelfs_config_lock);
-        if (pohmelfs_send_reply(err, 0, POHMELFS_NOINFO_ACK, msg, NULL))
-                err = -ENOMEM;
-
-        return err;
-}
-
-static void pohmelfs_cn_callback(struct cn_msg *msg, struct netlink_skb_parms *nsp)
-{
-        int err;
-
-        if (!cap_raised(current_cap(), CAP_SYS_ADMIN))
-                return;
-
-        switch (msg->flags) {
-        case POHMELFS_FLAGS_ADD:
-        case POHMELFS_FLAGS_DEL:
-        case POHMELFS_FLAGS_MODIFY:
-                        err = pohmelfs_cn_ctl(msg, msg->flags);
-                        break;
-        case POHMELFS_FLAGS_FLUSH:
-                        err = pohmelfs_cn_flush(msg);
-                        break;
-        case POHMELFS_FLAGS_SHOW:
-                        err = pohmelfs_cn_disp(msg);
-                        break;
-        case POHMELFS_FLAGS_DUMP:
-                        err = pohmelfs_cn_dump(msg);
-                        break;
-        case POHMELFS_FLAGS_CRYPTO:
-                        err = pohmelfs_cn_crypto(msg);
-                        break;
-        default:
-                        err = -ENOSYS;
-                        break;
-        }
-}
-
-int pohmelfs_config_check(struct pohmelfs_config *config, int idx)
-{
-        struct pohmelfs_ctl *ctl = &config->state.ctl;
-        struct pohmelfs_config *tmp;
-        int err = -ENOENT;
-        struct pohmelfs_ctl *sc;
-        struct pohmelfs_config_group *g;
-
-        mutex_lock(&pohmelfs_config_lock);
-
-        g = pohmelfs_find_config_group(ctl->idx);
-        if (g) {
-                list_for_each_entry(tmp, &g->config_list, config_entry) {
-                        sc = &tmp->state.ctl;
-
-                        if (pohmelfs_config_eql(sc, ctl)) {
-                                err = 0;
-                                break;
-                        }
-                }
-        }
-
-        mutex_unlock(&pohmelfs_config_lock);
-
-        return err;
-}
-
-int __init pohmelfs_config_init(void)
-{
-        /* XXX remove (void *) cast when vanilla connector got synced */
-        return cn_add_callback(&pohmelfs_cn_id, "pohmelfs", (void *)pohmelfs_cn_callback);
-}
-
-void pohmelfs_config_exit(void)
-{
-        struct pohmelfs_config *c, *tmp;
-        struct pohmelfs_config_group *g, *gtmp;
-
-        cn_del_callback(&pohmelfs_cn_id);
-
-        mutex_lock(&pohmelfs_config_lock);
-        list_for_each_entry_safe(g, gtmp, &pohmelfs_config_list, group_entry) {
-                list_for_each_entry_safe(c, tmp, &g->config_list, config_entry) {
-                        list_del(&c->config_entry);
-                        kfree(c);
-                }
-
-                list_del(&g->group_entry);
-
-                kfree(g->hash_string);
-
-                kfree(g->cipher_string);
-
-                kfree(g);
-        }
-        mutex_unlock(&pohmelfs_config_lock);
-}
diff --git a/drivers/staging/pohmelfs/crypto.c b/drivers/staging/pohmelfs/crypto.c
deleted file mode 100644
index ad92771dce57..000000000000
--- a/drivers/staging/pohmelfs/crypto.c
+++ /dev/null
@@ -1,878 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/crypto.h>
-#include <linux/highmem.h>
-#include <linux/kthread.h>
-#include <linux/pagemap.h>
-#include <linux/scatterlist.h>
-#include <linux/slab.h>
-
-#include "netfs.h"
-
-static struct crypto_hash *pohmelfs_init_hash(struct pohmelfs_sb *psb)
-{
-        int err;
-        struct crypto_hash *hash;
-
-        hash = crypto_alloc_hash(psb->hash_string, 0, CRYPTO_ALG_ASYNC);
-        if (IS_ERR(hash)) {
-                err = PTR_ERR(hash);
-                dprintk("%s: idx: %u: failed to allocate hash '%s', err: %d.\n",
-                                __func__, psb->idx, psb->hash_string, err);
-                goto err_out_exit;
-        }
-
-        psb->crypto_attached_size = crypto_hash_digestsize(hash);
-
-        if (!psb->hash_keysize)
-                return hash;
-
-        err = crypto_hash_setkey(hash, psb->hash_key, psb->hash_keysize);
-        if (err) {
-                dprintk("%s: idx: %u: failed to set key for hash '%s', err: %d.\n",
-                                __func__, psb->idx, psb->hash_string, err);
-                goto err_out_free;
-        }
-
-        return hash;
-
-err_out_free:
-        crypto_free_hash(hash);
-err_out_exit:
-        return ERR_PTR(err);
-}
-
-static struct crypto_ablkcipher *pohmelfs_init_cipher(struct pohmelfs_sb *psb)
-{
-        int err = -EINVAL;
-        struct crypto_ablkcipher *cipher;
-
-        if (!psb->cipher_keysize)
-                goto err_out_exit;
-
-        cipher = crypto_alloc_ablkcipher(psb->cipher_string, 0, 0);
-        if (IS_ERR(cipher)) {
-                err = PTR_ERR(cipher);
-                dprintk("%s: idx: %u: failed to allocate cipher '%s', err: %d.\n",
-                                __func__, psb->idx, psb->cipher_string, err);
-                goto err_out_exit;
-        }
-
-        crypto_ablkcipher_clear_flags(cipher, ~0);
-
-        err = crypto_ablkcipher_setkey(cipher, psb->cipher_key, psb->cipher_keysize);
-        if (err) {
-                dprintk("%s: idx: %u: failed to set key for cipher '%s', err: %d.\n",
-                                __func__, psb->idx, psb->cipher_string, err);
-                goto err_out_free;
-        }
-
-        return cipher;
-
-err_out_free:
-        crypto_free_ablkcipher(cipher);
-err_out_exit:
-        return ERR_PTR(err);
-}
-
-int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb)
-{
-        int err;
-
-        e->page_num = 0;
-
-        e->size = PAGE_SIZE;
-        e->data = kmalloc(e->size, GFP_KERNEL);
-        if (!e->data) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-
-        if (psb->hash_string) {
-                e->hash = pohmelfs_init_hash(psb);
-                if (IS_ERR(e->hash)) {
-                        err = PTR_ERR(e->hash);
-                        e->hash = NULL;
-                        goto err_out_free;
-                }
-        }
-
-        if (psb->cipher_string) {
-                e->cipher = pohmelfs_init_cipher(psb);
-                if (IS_ERR(e->cipher)) {
-                        err = PTR_ERR(e->cipher);
-                        e->cipher = NULL;
-                        goto err_out_free_hash;
-                }
-        }
-
-        return 0;
-
-err_out_free_hash:
-        crypto_free_hash(e->hash);
-err_out_free:
-        kfree(e->data);
-err_out_exit:
-        return err;
-}
-
-void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e)
-{
-        crypto_free_hash(e->hash);
-        crypto_free_ablkcipher(e->cipher);
-        kfree(e->data);
-}
-
-static void pohmelfs_crypto_complete(struct crypto_async_request *req, int err)
-{
-        struct pohmelfs_crypto_completion *c = req->data;
-
-        if (err == -EINPROGRESS)
-                return;
-
-        dprintk("%s: req: %p, err: %d.\n", __func__, req, err);
-        c->error = err;
-        complete(&c->complete);
-}
-
-static int pohmelfs_crypto_process(struct ablkcipher_request *req,
-                struct scatterlist *sg_dst, struct scatterlist *sg_src,
-                void *iv, int enc, unsigned long timeout)
-{
-        struct pohmelfs_crypto_completion complete;
-        int err;
-
-        init_completion(&complete.complete);
-        complete.error = -EINPROGRESS;
-
-        ablkcipher_request_set_callback(req, CRYPTO_TFM_REQ_MAY_BACKLOG,
-                                        pohmelfs_crypto_complete, &complete);
-
-        ablkcipher_request_set_crypt(req, sg_src, sg_dst, sg_src->length, iv);
-
-        if (enc)
-                err = crypto_ablkcipher_encrypt(req);
-        else
-                err = crypto_ablkcipher_decrypt(req);
-
-        switch (err) {
-        case -EINPROGRESS:
-        case -EBUSY:
-                err = wait_for_completion_interruptible_timeout(&complete.complete,
-                                        timeout);
-                if (!err)
-                        err = -ETIMEDOUT;
-                else if (err > 0)
-                        err = complete.error;
-                break;
-        default:
-                break;
-        }
-
-        return err;
-}
-
-int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 cmd_iv,
-                void *data, struct page *page, unsigned int size)
-{
-        int err;
-        struct scatterlist sg;
-
-        if (!e->cipher && !e->hash)
-                return 0;
-
-        dprintk("%s: eng: %p, iv: %llx, data: %p, page: %p/%lu, size: %u.\n",
-                __func__, e, cmd_iv, data, page, (page) ? page->index : 0, size);
-
-        if (data) {
-                sg_init_one(&sg, data, size);
-        } else {
-                sg_init_table(&sg, 1);
-                sg_set_page(&sg, page, size, 0);
-        }
-
-        if (e->cipher) {
-                struct ablkcipher_request *req = e->data + crypto_hash_digestsize(e->hash);
-                u8 iv[32];
-
-                memset(iv, 0, sizeof(iv));
-                memcpy(iv, &cmd_iv, sizeof(cmd_iv));
-
-                ablkcipher_request_set_tfm(req, e->cipher);
-
-                err = pohmelfs_crypto_process(req, &sg, &sg, iv, 0, e->timeout);
-                if (err)
-                        goto err_out_exit;
-        }
-
-        if (e->hash) {
-                struct hash_desc desc;
-                void *dst = e->data + e->size/2;
-
-                desc.tfm = e->hash;
-                desc.flags = 0;
-
-                err = crypto_hash_init(&desc);
-                if (err)
-                        goto err_out_exit;
-
-                err = crypto_hash_update(&desc, &sg, size);
-                if (err)
-                        goto err_out_exit;
-
-                err = crypto_hash_final(&desc, dst);
-                if (err)
-                        goto err_out_exit;
-
-                err = !!memcmp(dst, e->data, crypto_hash_digestsize(e->hash));
-
-                if (err) {
-#ifdef CONFIG_POHMELFS_DEBUG
-                        unsigned int i;
-                        unsigned char *recv = e->data, *calc = dst;
-
-                        dprintk("%s: eng: %p, hash: %p, cipher: %p: iv : %llx, hash mismatch (recv/calc): ",
-                                        __func__, e, e->hash, e->cipher, cmd_iv);
-                        for (i = 0; i < crypto_hash_digestsize(e->hash); ++i) {
-#if 0
-                                dprintka("%02x ", recv[i]);
-                                if (recv[i] != calc[i]) {
-                                        dprintka("| calc byte: %02x.\n", calc[i]);
-                                        break;
-                                }
-#else
-                                dprintka("%02x/%02x ", recv[i], calc[i]);
-#endif
-                        }
-                        dprintk("\n");
-#endif
-                        goto err_out_exit;
-                } else {
-                        dprintk("%s: eng: %p, hash: %p, cipher: %p: hashes matched.\n",
-                                        __func__, e, e->hash, e->cipher);
-                }
-        }
-
-        dprintk("%s: eng: %p, size: %u, hash: %p, cipher: %p: completed.\n",
-                        __func__, e, e->size, e->hash, e->cipher);
-
-        return 0;
-
-err_out_exit:
-        dprintk("%s: eng: %p, hash: %p, cipher: %p: err: %d.\n",
-                        __func__, e, e->hash, e->cipher, err);
-        return err;
-}
-
-static int pohmelfs_trans_iter(struct netfs_trans *t, struct pohmelfs_crypto_engine *e,
-                int (*iterator) (struct pohmelfs_crypto_engine *e,
-                                  struct scatterlist *dst,
-                                  struct scatterlist *src))
-{
-        void *data = t->iovec.iov_base + sizeof(struct netfs_cmd) + t->psb->crypto_attached_size;
-        unsigned int size = t->iovec.iov_len - sizeof(struct netfs_cmd) - t->psb->crypto_attached_size;
-        struct netfs_cmd *cmd = data;
-        unsigned int sz, pages = t->attached_pages, i, csize, cmd_cmd, dpage_idx;
-        struct scatterlist sg_src, sg_dst;
-        int err;
-
-        while (size) {
-                cmd = data;
-                cmd_cmd = __be16_to_cpu(cmd->cmd);
-                csize = __be32_to_cpu(cmd->size);
-                cmd->iv = __cpu_to_be64(e->iv);
-
-                if (cmd_cmd == NETFS_READ_PAGES || cmd_cmd == NETFS_READ_PAGE)
-                        csize = __be16_to_cpu(cmd->ext);
-
-                sz = csize + __be16_to_cpu(cmd->cpad) + sizeof(struct netfs_cmd);
-
-                dprintk("%s: size: %u, sz: %u, cmd_size: %u, cmd_cpad: %u.\n",
-                                __func__, size, sz, __be32_to_cpu(cmd->size), __be16_to_cpu(cmd->cpad));
-
-                data += sz;
-                size -= sz;
-
-                sg_init_one(&sg_src, cmd->data, sz - sizeof(struct netfs_cmd));
-                sg_init_one(&sg_dst, cmd->data, sz - sizeof(struct netfs_cmd));
-
-                err = iterator(e, &sg_dst, &sg_src);
-                if (err)
-                        return err;
-        }
-
-        if (!pages)
-                return 0;
-
-        dpage_idx = 0;
-        for (i = 0; i < t->page_num; ++i) {
-                struct page *page = t->pages[i];
-                struct page *dpage = e->pages[dpage_idx];
-
-                if (!page)
-                        continue;
-
-                sg_init_table(&sg_src, 1);
-                sg_init_table(&sg_dst, 1);
-                sg_set_page(&sg_src, page, page_private(page), 0);
-                sg_set_page(&sg_dst, dpage, page_private(page), 0);
-
-                err = iterator(e, &sg_dst, &sg_src);
-                if (err)
-                        return err;
-
-                pages--;
-                if (!pages)
-                        break;
-                dpage_idx++;
-        }
-
-        return 0;
-}
-
-static int pohmelfs_encrypt_iterator(struct pohmelfs_crypto_engine *e,
-                struct scatterlist *sg_dst, struct scatterlist *sg_src)
-{
-        struct ablkcipher_request *req = e->data;
-        u8 iv[32];
-
-        memset(iv, 0, sizeof(iv));
-
-        memcpy(iv, &e->iv, sizeof(e->iv));
-
-        return pohmelfs_crypto_process(req, sg_dst, sg_src, iv, 1, e->timeout);
-}
-
-static int pohmelfs_encrypt(struct pohmelfs_crypto_thread *tc)
-{
-        struct netfs_trans *t = tc->trans;
-        struct pohmelfs_crypto_engine *e = &tc->eng;
-        struct ablkcipher_request *req = e->data;
-
-        memset(req, 0, sizeof(struct ablkcipher_request));
-        ablkcipher_request_set_tfm(req, e->cipher);
-
-        e->iv = pohmelfs_gen_iv(t);
-
-        return pohmelfs_trans_iter(t, e, pohmelfs_encrypt_iterator);
-}
-
-static int pohmelfs_hash_iterator(struct pohmelfs_crypto_engine *e,
-                struct scatterlist *sg_dst, struct scatterlist *sg_src)
-{
-        return crypto_hash_update(e->data, sg_src, sg_src->length);
-}
-
-static int pohmelfs_hash(struct pohmelfs_crypto_thread *tc)
-{
-        struct pohmelfs_crypto_engine *e = &tc->eng;
-        struct hash_desc *desc = e->data;
-        unsigned char *dst = tc->trans->iovec.iov_base + sizeof(struct netfs_cmd);
-        int err;
-
-        desc->tfm = e->hash;
-        desc->flags = 0;
-
-        err = crypto_hash_init(desc);
-        if (err)
-                return err;
-
-        err = pohmelfs_trans_iter(tc->trans, e, pohmelfs_hash_iterator);
-        if (err)
-                return err;
-
-        err = crypto_hash_final(desc, dst);
-        if (err)
-                return err;
-
-        {
-                unsigned int i;
-                dprintk("%s: ", __func__);
-                for (i = 0; i < tc->psb->crypto_attached_size; ++i)
-                        dprintka("%02x ", dst[i]);
-                dprintka("\n");
-        }
-
-        return 0;
-}
-
-static void pohmelfs_crypto_pages_free(struct pohmelfs_crypto_engine *e)
-{
-        unsigned int i;
-
-        for (i = 0; i < e->page_num; ++i)
-                __free_page(e->pages[i]);
-        kfree(e->pages);
-}
-
-static int pohmelfs_crypto_pages_alloc(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb)
-{
-        unsigned int i;
-
-        e->pages = kmalloc(psb->trans_max_pages * sizeof(struct page *), GFP_KERNEL);
-        if (!e->pages)
-                return -ENOMEM;
-
-        for (i = 0; i < psb->trans_max_pages; ++i) {
-                e->pages[i] = alloc_page(GFP_KERNEL);
-                if (!e->pages[i])
-                        break;
-        }
-
-        e->page_num = i;
-        if (!e->page_num)
-                goto err_out_free;
-
-        return 0;
-
-err_out_free:
-        kfree(e->pages);
-        return -ENOMEM;
-}
-
-static void pohmelfs_sys_crypto_exit_one(struct pohmelfs_crypto_thread *t)
-{
-        struct pohmelfs_sb *psb = t->psb;
-
-        if (t->thread)
-                kthread_stop(t->thread);
-
-        mutex_lock(&psb->crypto_thread_lock);
-        list_del(&t->thread_entry);
-        psb->crypto_thread_num--;
-        mutex_unlock(&psb->crypto_thread_lock);
-
-        pohmelfs_crypto_engine_exit(&t->eng);
-        pohmelfs_crypto_pages_free(&t->eng);
-        kfree(t);
-}
-
-static int pohmelfs_crypto_finish(struct netfs_trans *t, struct pohmelfs_sb *psb, int err)
-{
-        struct netfs_cmd *cmd = t->iovec.iov_base;
-        netfs_convert_cmd(cmd);
-
-        if (likely(!err))
-                err = netfs_trans_finish_send(t, psb);
-
-        t->result = err;
-        netfs_trans_put(t);
-
-        return err;
-}
-
-void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th)
-{
-        struct pohmelfs_sb *psb = th->psb;
-
-        th->page = NULL;
-        th->trans = NULL;
-
-        mutex_lock(&psb->crypto_thread_lock);
-        list_move_tail(&th->thread_entry, &psb->crypto_ready_list);
-        mutex_unlock(&psb->crypto_thread_lock);
-        wake_up(&psb->wait);
-}
-
-static int pohmelfs_crypto_thread_trans(struct pohmelfs_crypto_thread *t)
-{
-        struct netfs_trans *trans;
-        int err = 0;
-
-        trans = t->trans;
-        trans->eng = NULL;
-
-        if (t->eng.hash) {
-                err = pohmelfs_hash(t);
-                if (err)
-                        goto out_complete;
-        }
-
-        if (t->eng.cipher) {
-                err = pohmelfs_encrypt(t);
-                if (err)
-                        goto out_complete;
-                trans->eng = &t->eng;
-        }
-
-out_complete:
-        t->page = NULL;
-        t->trans = NULL;
-
-        if (!trans->eng)
-                pohmelfs_crypto_thread_make_ready(t);
-
-        pohmelfs_crypto_finish(trans, t->psb, err);
-        return err;
-}
-
-static int pohmelfs_crypto_thread_page(struct pohmelfs_crypto_thread *t)
-{
-        struct pohmelfs_crypto_engine *e = &t->eng;
-        struct page *page = t->page;
-        int err;
-
-        WARN_ON(!PageChecked(page));
-
-        err = pohmelfs_crypto_process_input_data(e, e->iv, NULL, page, t->size);
-        if (!err)
-                SetPageUptodate(page);
-        else
-                SetPageError(page);
-        unlock_page(page);
-        page_cache_release(page);
-
-        pohmelfs_crypto_thread_make_ready(t);
-
-        return err;
-}
-
-static int pohmelfs_crypto_thread_func(void *data)
-{
-        struct pohmelfs_crypto_thread *t = data;
-
-        while (!kthread_should_stop()) {
-                wait_event_interruptible(t->wait, kthread_should_stop() ||
-                                t->trans || t->page);
-
-                if (kthread_should_stop())
-                        break;
-
-                if (!t->trans && !t->page)
-                        continue;
-
-                dprintk("%s: thread: %p, trans: %p, page: %p.\n",
-                                __func__, t, t->trans, t->page);
-
-                if (t->trans)
-                        pohmelfs_crypto_thread_trans(t);
-                else if (t->page)
-                        pohmelfs_crypto_thread_page(t);
-        }
-
-        return 0;
-}
-
-static void pohmelfs_crypto_flush(struct pohmelfs_sb *psb, struct list_head *head)
-{
-        while (!list_empty(head)) {
-                struct pohmelfs_crypto_thread *t = NULL;
-
-                mutex_lock(&psb->crypto_thread_lock);
-                if (!list_empty(head)) {
-                        t = list_first_entry(head, struct pohmelfs_crypto_thread, thread_entry);
-                        list_del_init(&t->thread_entry);
-                }
-                mutex_unlock(&psb->crypto_thread_lock);
-
-                if (t)
-                        pohmelfs_sys_crypto_exit_one(t);
-        }
-}
-
-static void pohmelfs_sys_crypto_exit(struct pohmelfs_sb *psb)
-{
-        while (!list_empty(&psb->crypto_active_list) || !list_empty(&psb->crypto_ready_list)) {
-                dprintk("%s: crypto_thread_num: %u.\n", __func__, psb->crypto_thread_num);
-                pohmelfs_crypto_flush(psb, &psb->crypto_active_list);
-                pohmelfs_crypto_flush(psb, &psb->crypto_ready_list);
-        }
-}
-
-static int pohmelfs_sys_crypto_init(struct pohmelfs_sb *psb)
-{
-        unsigned int i;
-        struct pohmelfs_crypto_thread *t;
-        struct pohmelfs_config *c;
-        struct netfs_state *st;
-        int err;
-
-        list_for_each_entry(c, &psb->state_list, config_entry) {
-                st = &c->state;
-
-                err = pohmelfs_crypto_engine_init(&st->eng, psb);
-                if (err)
-                        goto err_out_exit;
-
-                dprintk("%s: st: %p, eng: %p, hash: %p, cipher: %p.\n",
-                                __func__, st, &st->eng, &st->eng.hash, &st->eng.cipher);
-        }
-
-        for (i = 0; i < psb->crypto_thread_num; ++i) {
-                err = -ENOMEM;
-                t = kzalloc(sizeof(struct pohmelfs_crypto_thread), GFP_KERNEL);
-                if (!t)
-                        goto err_out_free_state_engines;
-
-                init_waitqueue_head(&t->wait);
-
-                t->psb = psb;
-                t->trans = NULL;
-                t->eng.thread = t;
-
-                err = pohmelfs_crypto_engine_init(&t->eng, psb);
-                if (err)
-                        goto err_out_free_state_engines;
-
-                err = pohmelfs_crypto_pages_alloc(&t->eng, psb);
-                if (err)
-                        goto err_out_free;
-
-                t->thread = kthread_run(pohmelfs_crypto_thread_func, t,
-                                "pohmelfs-crypto-%d-%d", psb->idx, i);
-                if (IS_ERR(t->thread)) {
-                        err = PTR_ERR(t->thread);
-                        t->thread = NULL;
-                        goto err_out_free;
-                }
-
-                if (t->eng.cipher)
-                        psb->crypto_align_size = crypto_ablkcipher_blocksize(t->eng.cipher);
-
-                mutex_lock(&psb->crypto_thread_lock);
-                list_add_tail(&t->thread_entry, &psb->crypto_ready_list);
-                mutex_unlock(&psb->crypto_thread_lock);
-        }
-
-        psb->crypto_thread_num = i;
-        return 0;
-
-err_out_free:
-        pohmelfs_sys_crypto_exit_one(t);
-err_out_free_state_engines:
-        list_for_each_entry(c, &psb->state_list, config_entry) {
-                st = &c->state;
-                pohmelfs_crypto_engine_exit(&st->eng);
-        }
-err_out_exit:
-        pohmelfs_sys_crypto_exit(psb);
-        return err;
-}
-
-void pohmelfs_crypto_exit(struct pohmelfs_sb *psb)
-{
-        pohmelfs_sys_crypto_exit(psb);
-
-        kfree(psb->hash_string);
-        kfree(psb->cipher_string);
-}
-
-static int pohmelfs_crypt_init_complete(struct page **pages, unsigned int page_num,
-                void *private, int err)
-{
-        struct pohmelfs_sb *psb = private;
-
-        psb->flags = -err;
-        dprintk("%s: err: %d.\n", __func__, err);
-
-        wake_up(&psb->wait);
-
-        return err;
-}
-
-static int pohmelfs_crypto_init_handshake(struct pohmelfs_sb *psb)
-{
-        struct netfs_trans *t;
-        struct netfs_crypto_capabilities *cap;
-        struct netfs_cmd *cmd;
-        char *str;
-        int err = -ENOMEM, size;
-
-        size = sizeof(struct netfs_crypto_capabilities) +
-                psb->cipher_strlen + psb->hash_strlen + 2; /* 0 bytes */
-
-        t = netfs_trans_alloc(psb, size, 0, 0);
-        if (!t)
-                goto err_out_exit;
-
-        t->complete = pohmelfs_crypt_init_complete;
-        t->private = psb;
-
-        cmd = netfs_trans_current(t);
-        cap = (struct netfs_crypto_capabilities *)(cmd + 1);
-        str = (char *)(cap + 1);
-
-        cmd->cmd = NETFS_CAPABILITIES;
-        cmd->id = POHMELFS_CRYPTO_CAPABILITIES;
-        cmd->size = size;
-        cmd->start = 0;
-        cmd->ext = 0;
-        cmd->csize = 0;
-
-        netfs_convert_cmd(cmd);
-        netfs_trans_update(cmd, t, size);
-
-        cap->hash_strlen = psb->hash_strlen;
-        if (cap->hash_strlen) {
-                sprintf(str, "%s", psb->hash_string);
-                str += cap->hash_strlen;
-        }
-
-        cap->cipher_strlen = psb->cipher_strlen;
-        cap->cipher_keysize = psb->cipher_keysize;
-        if (cap->cipher_strlen)
-                sprintf(str, "%s", psb->cipher_string);
-
-        netfs_convert_crypto_capabilities(cap);
-
-        psb->flags = ~0;
-        err = netfs_trans_finish(t, psb);
-        if (err)
-                goto err_out_exit;
-
-        err = wait_event_interruptible_timeout(psb->wait, (psb->flags != ~0),
-                        psb->wait_on_page_timeout);
-        if (!err)
-                err = -ETIMEDOUT;
-        else if (err > 0)
-                err = -psb->flags;
-
-        if (!err)
-                psb->perform_crypto = 1;
-        psb->flags = 0;
-
-        /*
-         * At this point NETFS_CAPABILITIES response command
-         * should setup superblock in a way, which is acceptable
-         * for both client and server, so if server refuses connection,
-         * it will send error in transaction response.
-         */
-
-        if (err)
-                goto err_out_exit;
-
-        return 0;
-
-err_out_exit:
-        return err;
-}
-
-int pohmelfs_crypto_init(struct pohmelfs_sb *psb)
-{
-        int err;
-
-        if (!psb->cipher_string && !psb->hash_string)
-                return 0;
-
-        err = pohmelfs_crypto_init_handshake(psb);
-        if (err)
-                return err;
-
-        err = pohmelfs_sys_crypto_init(psb);
-        if (err)
-                return err;
-
-        return 0;
-}
-
-static int pohmelfs_crypto_thread_get(struct pohmelfs_sb *psb,
-                int (*action)(struct pohmelfs_crypto_thread *t, void *data), void *data)
-{
-        struct pohmelfs_crypto_thread *t = NULL;
-        int err;
-
-        while (!t) {
-                err = wait_event_interruptible_timeout(psb->wait,
-                                !list_empty(&psb->crypto_ready_list),
-                                psb->wait_on_page_timeout);
-
-                t = NULL;
-                err = 0;
-                mutex_lock(&psb->crypto_thread_lock);
-                if (!list_empty(&psb->crypto_ready_list)) {
-                        t = list_entry(psb->crypto_ready_list.prev,
-                                        struct pohmelfs_crypto_thread,
-                                        thread_entry);
-
-                        list_move_tail(&t->thread_entry,
-                                        &psb->crypto_active_list);
-
-                        action(t, data);
-                        wake_up(&t->wait);
-
-                }
-                mutex_unlock(&psb->crypto_thread_lock);
-        }
-
-        return err;
-}
-
-static int pohmelfs_trans_crypt_action(struct pohmelfs_crypto_thread *t, void *data)
-{
-        struct netfs_trans *trans = data;
-
-        netfs_trans_get(trans);
-        t->trans = trans;
-
-        dprintk("%s: t: %p, gen: %u, thread: %p.\n", __func__, trans, trans->gen, t);
-        return 0;
-}
-
-int pohmelfs_trans_crypt(struct netfs_trans *trans, struct pohmelfs_sb *psb)
-{
-        if ((!psb->hash_string && !psb->cipher_string) || !psb->perform_crypto) {
-                netfs_trans_get(trans);
-                return pohmelfs_crypto_finish(trans, psb, 0);
-        }
-
-        return pohmelfs_crypto_thread_get(psb, pohmelfs_trans_crypt_action, trans);
-}
-
-struct pohmelfs_crypto_input_action_data {
-        struct page                     *page;
-        struct pohmelfs_crypto_engine   *e;
-        u64                             iv;
-        unsigned int                    size;
-};
-
-static int pohmelfs_crypt_input_page_action(struct pohmelfs_crypto_thread *t, void *data)
-{
-        struct pohmelfs_crypto_input_action_data *act = data;
-
-        memcpy(t->eng.data, act->e->data, t->psb->crypto_attached_size);
-
-        t->size = act->size;
-        t->eng.iv = act->iv;
-
-        t->page = act->page;
-        return 0;
-}
-
-int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e,
-                struct page *page, unsigned int size, u64 iv)
-{
-        struct inode *inode = page->mapping->host;
-        struct pohmelfs_crypto_input_action_data act;
-        int err = -ENOENT;
-
-        act.page = page;
-        act.e = e;
-        act.size = size;
-        act.iv = iv;
-
-        err = pohmelfs_crypto_thread_get(POHMELFS_SB(inode->i_sb),
-                        pohmelfs_crypt_input_page_action, &act);
-        if (err)
-                goto err_out_exit;
-
-        return 0;
-
-err_out_exit:
-        SetPageUptodate(page);
-        page_cache_release(page);
-
-        return err;
-}
diff --git a/drivers/staging/pohmelfs/dir.c b/drivers/staging/pohmelfs/dir.c
deleted file mode 100644
index 2ee4491b7136..000000000000
--- a/drivers/staging/pohmelfs/dir.c
+++ /dev/null
@@ -1,1102 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/kernel.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/namei.h>
-#include <linux/slab.h>
-#include <linux/pagemap.h>
-
-#include "netfs.h"
-
-static int pohmelfs_cmp_hash(struct pohmelfs_name *n, u32 hash)
-{
-        if (n->hash > hash)
-                return -1;
-        if (n->hash < hash)
-                return 1;
-
-        return 0;
-}
-
-static struct pohmelfs_name *pohmelfs_search_hash_unprecise(struct pohmelfs_inode *pi, u32 hash)
-{
-        struct rb_node *n = pi->hash_root.rb_node;
-        struct pohmelfs_name *tmp = NULL;
-        int cmp;
-
-        while (n) {
-                tmp = rb_entry(n, struct pohmelfs_name, hash_node);
-
-                cmp = pohmelfs_cmp_hash(tmp, hash);
-                if (cmp < 0)
-                        n = n->rb_left;
-                else if (cmp > 0)
-                        n = n->rb_right;
-                else
-                        break;
-
-        }
-
-        return tmp;
-}
-
-struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash)
-{
-        struct pohmelfs_name *tmp;
-
-        tmp = pohmelfs_search_hash_unprecise(pi, hash);
-        if (tmp && (tmp->hash == hash))
-                return tmp;
-
-        return NULL;
-}
-
-static void __pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-        rb_erase(&node->hash_node, &parent->hash_root);
-}
-
-/*
- * Remove name cache entry from its caches and free it.
- */
-static void pohmelfs_name_free(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-        __pohmelfs_name_del(parent, node);
-        list_del(&node->sync_create_entry);
-        kfree(node);
-}
-
-static struct pohmelfs_name *pohmelfs_insert_hash(struct pohmelfs_inode *pi,
-                struct pohmelfs_name *new)
-{
-        struct rb_node **n = &pi->hash_root.rb_node, *parent = NULL;
-        struct pohmelfs_name *ret = NULL, *tmp;
-        int cmp;
-
-        while (*n) {
-                parent = *n;
-
-                tmp = rb_entry(parent, struct pohmelfs_name, hash_node);
-
-                cmp = pohmelfs_cmp_hash(tmp, new->hash);
-                if (cmp < 0)
-                        n = &parent->rb_left;
-                else if (cmp > 0)
-                        n = &parent->rb_right;
-                else {
-                        ret = tmp;
-                        break;
-                }
-        }
-
-        if (ret) {
-                printk("%s: exist: parent: %llu, ino: %llu, hash: %x, len: %u, data: '%s', "
-                                        "new: ino: %llu, hash: %x, len: %u, data: '%s'.\n",
-                                __func__, pi->ino,
-                                ret->ino, ret->hash, ret->len, ret->data,
-                                new->ino, new->hash, new->len, new->data);
-                ret->ino = new->ino;
-                return ret;
-        }
-
-        rb_link_node(&new->hash_node, parent, n);
-        rb_insert_color(&new->hash_node, &pi->hash_root);
-
-        return NULL;
-}
-
-/*
- * Free name cache for given inode.
- */
-void pohmelfs_free_names(struct pohmelfs_inode *parent)
-{
-        struct rb_node *rb_node;
-        struct pohmelfs_name *n;
-
-        for (rb_node = rb_first(&parent->hash_root); rb_node;) {
-                n = rb_entry(rb_node, struct pohmelfs_name, hash_node);
-                rb_node = rb_next(rb_node);
-
-                pohmelfs_name_free(parent, n);
-        }
-}
-
-static void pohmelfs_fix_offset(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-        parent->total_len -= node->len;
-}
-
-/*
- * Free name cache entry helper.
- */
-void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *node)
-{
-        pohmelfs_fix_offset(parent, node);
-        pohmelfs_name_free(parent, node);
-}
-
-/*
- * Insert new name cache entry into all hash cache.
- */
-static int pohmelfs_insert_name(struct pohmelfs_inode *parent, struct pohmelfs_name *n)
-{
-        struct pohmelfs_name *name;
-
-        name = pohmelfs_insert_hash(parent, n);
-        if (name)
-                return -EEXIST;
-
-        parent->total_len += n->len;
-        list_add_tail(&n->sync_create_entry, &parent->sync_create_list);
-
-        return 0;
-}
-
-/*
- * Allocate new name cache entry.
- */
-static struct pohmelfs_name *pohmelfs_name_alloc(unsigned int len)
-{
-        struct pohmelfs_name *n;
-
-        n = kzalloc(sizeof(struct pohmelfs_name) + len, GFP_KERNEL);
-        if (!n)
-                return NULL;
-
-        INIT_LIST_HEAD(&n->sync_create_entry);
-
-        n->data = (char *)(n+1);
-
-        return n;
-}
-
-/*
- * Add new name entry into directory's cache.
- */
-static int pohmelfs_add_dir(struct pohmelfs_sb *psb, struct pohmelfs_inode *parent,
-                struct pohmelfs_inode *npi, struct qstr *str, unsigned int mode, int link)
-{
-        int err = -ENOMEM;
-        struct pohmelfs_name *n;
-
-        n = pohmelfs_name_alloc(str->len + 1);
-        if (!n)
-                goto err_out_exit;
-
-        n->ino = npi->ino;
-        n->mode = mode;
-        n->len = str->len;
-        n->hash = str->hash;
-        sprintf(n->data, "%s", str->name);
-
-        mutex_lock(&parent->offset_lock);
-        err = pohmelfs_insert_name(parent, n);
-        mutex_unlock(&parent->offset_lock);
-
-        if (err) {
-                if (err != -EEXIST)
-                        goto err_out_free;
-                kfree(n);
-        }
-
-        return 0;
-
-err_out_free:
-        kfree(n);
-err_out_exit:
-        return err;
-}
-
-/*
- * Create new inode for given parameters (name, inode info, parent).
- * This does not create object on the server, it will be synced there during writeback.
- */
-struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
-                struct pohmelfs_inode *parent, struct qstr *str,
-                struct netfs_inode_info *info, int link)
-{
-        struct inode *new = NULL;
-        struct pohmelfs_inode *npi;
-        int err = -EEXIST;
-
-        dprintk("%s: creating inode: parent: %llu, ino: %llu, str: %p.\n",
-                        __func__, (parent) ? parent->ino : 0, info->ino, str);
-
-        err = -ENOMEM;
-        new = iget_locked(psb->sb, info->ino);
-        if (!new)
-                goto err_out_exit;
-
-        npi = POHMELFS_I(new);
-        npi->ino = info->ino;
-        err = 0;
-
-        if (new->i_state & I_NEW) {
-                dprintk("%s: filling VFS inode: %lu/%llu.\n",
-                                __func__, new->i_ino, info->ino);
-                pohmelfs_fill_inode(new, info);
-
-                if (S_ISDIR(info->mode)) {
-                        struct qstr s;
-
-                        s.name = ".";
-                        s.len = 1;
-                        s.hash = jhash(s.name, s.len, 0);
-
-                        err = pohmelfs_add_dir(psb, npi, npi, &s, info->mode, 0);
-                        if (err)
-                                goto err_out_put;
-
-                        s.name = "..";
-                        s.len = 2;
-                        s.hash = jhash(s.name, s.len, 0);
-
-                        err = pohmelfs_add_dir(psb, npi, (parent) ? parent : npi, &s,
-                                        (parent) ? parent->vfs_inode.i_mode : npi->vfs_inode.i_mode, 0);
-                        if (err)
-                                goto err_out_put;
-                }
-        }
-
-        if (str) {
-                if (parent) {
-                        err = pohmelfs_add_dir(psb, parent, npi, str, info->mode, link);
-
-                        dprintk("%s: %s inserted name: '%s', new_offset: %llu, ino: %llu, parent: %llu.\n",
-                                        __func__, (err) ? "unsuccessfully" : "successfully",
-                                        str->name, parent->total_len, info->ino, parent->ino);
-
-                        if (err && err != -EEXIST)
-                                goto err_out_put;
-                }
-        }
-
-        if (new->i_state & I_NEW) {
-                if (parent)
-                        mark_inode_dirty(&parent->vfs_inode);
-                mark_inode_dirty(new);
-        }
-
-        set_bit(NETFS_INODE_OWNED, &npi->state);
-        npi->lock_type = POHMELFS_WRITE_LOCK;
-        unlock_new_inode(new);
-
-        return npi;
-
-err_out_put:
-        printk("%s: putting inode: %p, npi: %p, error: %d.\n", __func__, new, npi, err);
-        iput(new);
-err_out_exit:
-        return ERR_PTR(err);
-}
-
-static int pohmelfs_remote_sync_complete(struct page **pages, unsigned int page_num,
-                void *private, int err)
-{
-        struct pohmelfs_inode *pi = private;
-        struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-        dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err);
-
-        if (err)
-                pi->error = err;
-        wake_up(&psb->wait);
-        pohmelfs_put_inode(pi);
-
-        return err;
-}
-
-/*
- * Receive directory content from the server.
- * This should be only done for objects, which were not created locally,
- * and which were not synced previously.
- */
-static int pohmelfs_sync_remote_dir(struct pohmelfs_inode *pi)
-{
-        struct inode *inode = &pi->vfs_inode;
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        long ret = psb->wait_on_page_timeout;
-        int err;
-
-        dprintk("%s: dir: %llu, state: %lx: remote_synced: %d.\n",
-                __func__, pi->ino, pi->state, test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state));
-
-        if (test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state))
-                return 0;
-
-        if (!igrab(inode)) {
-                err = -ENOENT;
-                goto err_out_exit;
-        }
-
-        err = pohmelfs_meta_command(pi, NETFS_READDIR, NETFS_TRANS_SINGLE_DST,
-                        pohmelfs_remote_sync_complete, pi, 0);
-        if (err)
-                goto err_out_exit;
-
-        pi->error = 0;
-        ret = wait_event_interruptible_timeout(psb->wait,
-                        test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state) || pi->error, ret);
-        dprintk("%s: awake dir: %llu, ret: %ld, err: %d.\n", __func__, pi->ino, ret, pi->error);
-        if (ret <= 0) {
-                err = ret;
-                if (!err)
-                        err = -ETIMEDOUT;
-                goto err_out_exit;
-        }
-
-        if (pi->error)
-                return pi->error;
-
-        return 0;
-
-err_out_exit:
-        clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-        return err;
-}
-
-static int pohmelfs_dir_open(struct inode *inode, struct file *file)
-{
-        file->private_data = NULL;
-        return 0;
-}
-
-/*
- * VFS readdir callback. Syncs directory content from server if needed,
- * and provides direntry info to the userspace.
- */
-static int pohmelfs_readdir(struct file *file, void *dirent, filldir_t filldir)
-{
-        struct inode *inode = file->f_path.dentry->d_inode;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        struct pohmelfs_name *n;
-        struct rb_node *rb_node;
-        int err = 0, mode;
-        u64 len;
-
-        dprintk("%s: parent: %llu, fpos: %llu, hash: %08lx.\n",
-                        __func__, pi->ino, (u64)file->f_pos,
-                        (unsigned long)file->private_data);
-#if 0
-        err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK);
-        if (err)
-                return err;
-#endif
-        err = pohmelfs_sync_remote_dir(pi);
-        if (err)
-                return err;
-
-        if (file->private_data && (file->private_data == (void *)(unsigned long)file->f_pos))
-                return 0;
-
-        mutex_lock(&pi->offset_lock);
-        n = pohmelfs_search_hash_unprecise(pi, (unsigned long)file->private_data);
-
-        while (n) {
-                mode = (n->mode >> 12) & 15;
-
-                dprintk("%s: offset: %llu, parent ino: %llu, name: '%s', len: %u, ino: %llu, "
-                                "mode: %o/%o, fpos: %llu, hash: %08x.\n",
-                                __func__, file->f_pos, pi->ino, n->data, n->len,
-                                n->ino, n->mode, mode, file->f_pos, n->hash);
-
-                file->private_data = (void *)(unsigned long)n->hash;
-
-                len = n->len;
-                err = filldir(dirent, n->data, n->len, file->f_pos, n->ino, mode);
-
-                if (err < 0) {
-                        dprintk("%s: err: %d.\n", __func__, err);
-                        err = 0;
-                        break;
-                }
-
-                file->f_pos += len;
-
-                rb_node = rb_next(&n->hash_node);
-
-                if (!rb_node || (rb_node == &n->hash_node)) {
-                        file->private_data = (void *)(unsigned long)file->f_pos;
-                        break;
-                }
-
-                n = rb_entry(rb_node, struct pohmelfs_name, hash_node);
-        }
-        mutex_unlock(&pi->offset_lock);
-
-        return err;
-}
-
-static loff_t pohmelfs_dir_lseek(struct file *file, loff_t offset, int origin)
-{
-        file->f_pos = offset;
-        file->private_data = NULL;
-        return offset;
-}
-
-const struct file_operations pohmelfs_dir_fops = {
-        .open = pohmelfs_dir_open,
-        .read = generic_read_dir,
-        .llseek = pohmelfs_dir_lseek,
-        .readdir = pohmelfs_readdir,
-};
-
-/*
- * Lookup single object on server.
- */
-static int pohmelfs_lookup_single(struct pohmelfs_inode *parent,
-                struct qstr *str, u64 ino)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(parent->vfs_inode.i_sb);
-        long ret = msecs_to_jiffies(5000);
-        int err;
-
-        set_bit(NETFS_COMMAND_PENDING, &parent->state);
-        err = pohmelfs_meta_command_data(parent, parent->ino, NETFS_LOOKUP,
-                        (char *)str->name, NETFS_TRANS_SINGLE_DST, NULL, NULL, ino);
-        if (err)
-                goto err_out_exit;
-
-        err = 0;
-        ret = wait_event_interruptible_timeout(psb->wait,
-                        !test_bit(NETFS_COMMAND_PENDING, &parent->state), ret);
-        if (ret <= 0) {
-                err = ret;
-                if (!err)
-                        err = -ETIMEDOUT;
-        }
-
-        if (err)
-                goto err_out_exit;
-
-        return 0;
-
-err_out_exit:
-        clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-
-        printk("%s: failed: parent: %llu, ino: %llu, name: '%s', err: %d.\n",
-                        __func__, parent->ino, ino, str->name, err);
-
-        return err;
-}
-
-/*
- * VFS lookup callback.
- * We first try to get inode number from local name cache, if we have one,
- * then inode can be found in inode cache. If there is no inode or no object in
- * local cache, try to lookup it on server. This only should be done for directories,
- * which were not created locally, otherwise remote server does not know about dir at all,
- * so no need to try to know that.
- */
-struct dentry *pohmelfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd)
-{
-        struct pohmelfs_inode *parent = POHMELFS_I(dir);
-        struct pohmelfs_name *n;
-        struct inode *inode = NULL;
-        unsigned long ino = 0;
-        int err, lock_type = POHMELFS_READ_LOCK, need_lock = 1;
-        struct qstr str = dentry->d_name;
-
-        if ((nd->intent.open.flags & O_ACCMODE) != O_RDONLY)
-                lock_type = POHMELFS_WRITE_LOCK;
-
-        if (test_bit(NETFS_INODE_OWNED, &parent->state)) {
-                if (lock_type == parent->lock_type)
-                        need_lock = 0;
-                if ((lock_type == POHMELFS_READ_LOCK) && (parent->lock_type == POHMELFS_WRITE_LOCK))
-                        need_lock = 0;
-        }
-
-        if ((lock_type == POHMELFS_READ_LOCK) && !test_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state))
-                need_lock = 1;
-
-        str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-        mutex_lock(&parent->offset_lock);
-        n = pohmelfs_search_hash(parent, str.hash);
-        if (n)
-                ino = n->ino;
-        mutex_unlock(&parent->offset_lock);
-
-        dprintk("%s: start ino: %lu, inode: %p, name: '%s', hash: %x, parent_state: %lx, need_lock: %d.\n",
-                        __func__, ino, inode, str.name, str.hash, parent->state, need_lock);
-
-        if (ino) {
-                inode = ilookup(dir->i_sb, ino);
-                if (inode)
-                        goto out;
-        }
-
-        dprintk("%s: no inode dir: %p, dir_ino: %llu, name: '%s', len: %u, dir_state: %lx, ino: %lu.\n",
-                        __func__, dir, parent->ino,
-                        str.name, str.len, parent->state, ino);
-
-        if (!ino) {
-                if (!need_lock)
-                        goto out;
-        }
-
-        err = pohmelfs_data_lock(parent, 0, ~0, lock_type);
-        if (err)
-                goto out;
-
-        err = pohmelfs_lookup_single(parent, &str, ino);
-        if (err)
-                goto out;
-
-        if (!ino) {
-                mutex_lock(&parent->offset_lock);
-                n = pohmelfs_search_hash(parent, str.hash);
-                if (n)
-                        ino = n->ino;
-                mutex_unlock(&parent->offset_lock);
-        }
-
-        if (ino) {
-                inode = ilookup(dir->i_sb, ino);
-                dprintk("%s: second lookup ino: %lu, inode: %p, name: '%s', hash: %x.\n",
-                                __func__, ino, inode, str.name, str.hash);
-                if (!inode) {
-                        dprintk("%s: No inode for ino: %lu, name: '%s', hash: %x.\n",
-                                __func__, ino, str.name, str.hash);
-                        /* return NULL; */
-                        return ERR_PTR(-EACCES);
-                }
-        } else {
-                printk("%s: No inode number : name: '%s', hash: %x.\n",
-                        __func__, str.name, str.hash);
-        }
-out:
-        return d_splice_alias(inode, dentry);
-}
-
-/*
- * Create new object in local cache. Object will be synced to server
- * during writeback for given inode.
- */
-struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb,
-        struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode)
-{
-        struct pohmelfs_inode *npi;
-        int err = -ENOMEM;
-        struct netfs_inode_info info;
-
-        dprintk("%s: name: '%s', mode: %ho, start: %llu.\n",
-                        __func__, str->name, mode, start);
-
-        info.mode = mode;
-        info.ino = start;
-
-        if (!start)
-                info.ino = pohmelfs_new_ino(psb);
-
-        info.nlink = S_ISDIR(mode) ? 2 : 1;
-        info.uid = current_fsuid();
-        info.gid = current_fsgid();
-        info.size = 0;
-        info.blocksize = 512;
-        info.blocks = 0;
-        info.rdev = 0;
-        info.version = 0;
-
-        npi = pohmelfs_new_inode(psb, parent, str, &info, !!start);
-        if (IS_ERR(npi)) {
-                err = PTR_ERR(npi);
-                goto err_out_unlock;
-        }
-
-        return npi;
-
-err_out_unlock:
-        dprintk("%s: err: %d.\n", __func__, err);
-        return ERR_PTR(err);
-}
-
-/*
- * Create local object and bind it to dentry.
- */
-static int pohmelfs_create_entry(struct inode *dir, struct dentry *dentry,
-                                 u64 start, umode_t mode)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb);
-        struct pohmelfs_inode *npi, *parent;
-        struct qstr str = dentry->d_name;
-        int err;
-
-        parent = POHMELFS_I(dir);
-
-        err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-        if (err)
-                return err;
-
-        str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-        npi = pohmelfs_create_entry_local(psb, parent, &str, start, mode);
-        if (IS_ERR(npi))
-                return PTR_ERR(npi);
-
-        d_instantiate(dentry, &npi->vfs_inode);
-
-        dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n",
-                        __func__, parent->ino, npi->ino, dentry->d_name.name,
-                        (signed)dir->i_nlink, (signed)npi->vfs_inode.i_nlink);
-
-        return 0;
-}
-
-/*
- * VFS create and mkdir callbacks.
- */
-static int pohmelfs_create(struct inode *dir, struct dentry *dentry, umode_t mode,
-                struct nameidata *nd)
-{
-        return pohmelfs_create_entry(dir, dentry, 0, mode);
-}
-
-static int pohmelfs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode)
-{
-        int err;
-
-        inode_inc_link_count(dir);
-        err = pohmelfs_create_entry(dir, dentry, 0, mode | S_IFDIR);
-        if (err)
-                inode_dec_link_count(dir);
-
-        return err;
-}
-
-static int pohmelfs_remove_entry(struct inode *dir, struct dentry *dentry)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(dir->i_sb);
-        struct inode *inode = dentry->d_inode;
-        struct pohmelfs_inode *parent = POHMELFS_I(dir), *pi = POHMELFS_I(inode);
-        struct pohmelfs_name *n;
-        int err = -ENOENT;
-        struct qstr str = dentry->d_name;
-
-        err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-        if (err)
-                return err;
-
-        str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-        dprintk("%s: dir_ino: %llu, inode: %llu, name: '%s', nlink: %d.\n",
-                        __func__, parent->ino, pi->ino,
-                        str.name, (signed)inode->i_nlink);
-
-        BUG_ON(!inode);
-
-        mutex_lock(&parent->offset_lock);
-        n = pohmelfs_search_hash(parent, str.hash);
-        if (n) {
-                pohmelfs_fix_offset(parent, n);
-                if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-                        pohmelfs_remove_child(pi, n);
-
-                pohmelfs_name_free(parent, n);
-                err = 0;
-        }
-        mutex_unlock(&parent->offset_lock);
-
-        if (!err) {
-                psb->avail_size += inode->i_size;
-
-                pohmelfs_inode_del_inode(psb, pi);
-
-                mark_inode_dirty(dir);
-
-                inode->i_ctime = dir->i_ctime;
-                if (inode->i_nlink)
-                        inode_dec_link_count(inode);
-        }
-
-        return err;
-}
-
-/*
- * Unlink and rmdir VFS callbacks.
- */
-static int pohmelfs_unlink(struct inode *dir, struct dentry *dentry)
-{
-        return pohmelfs_remove_entry(dir, dentry);
-}
-
-static int pohmelfs_rmdir(struct inode *dir, struct dentry *dentry)
-{
-        int err;
-        struct inode *inode = dentry->d_inode;
-
-        dprintk("%s: parent: %llu, inode: %llu, name: '%s', parent_nlink: %d, nlink: %d.\n",
-                        __func__, POHMELFS_I(dir)->ino, POHMELFS_I(inode)->ino,
-                        dentry->d_name.name, (signed)dir->i_nlink, (signed)inode->i_nlink);
-
-        err = pohmelfs_remove_entry(dir, dentry);
-        if (!err) {
-                inode_dec_link_count(dir);
-                inode_dec_link_count(inode);
-        }
-
-        return err;
-}
-
-/*
- * Link creation is synchronous.
- * I'm lazy.
- * Earth is somewhat round.
- */
-static int pohmelfs_create_link(struct pohmelfs_inode *parent, struct qstr *obj,
-                struct pohmelfs_inode *target, struct qstr *tstr)
-{
-        struct super_block *sb = parent->vfs_inode.i_sb;
-        struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-        struct netfs_cmd *cmd;
-        struct netfs_trans *t;
-        void *data;
-        int err, parent_len, target_len = 0, cur_len, path_size = 0;
-
-        err = pohmelfs_data_lock(parent, 0, ~0, POHMELFS_WRITE_LOCK);
-        if (err)
-                return err;
-
-        err = sb->s_op->write_inode(&parent->vfs_inode, 0);
-        if (err)
-                goto err_out_exit;
-
-        if (tstr)
-                target_len = tstr->len;
-
-        parent_len = pohmelfs_path_length(parent);
-        if (target)
-                target_len += pohmelfs_path_length(target);
-
-        if (parent_len < 0) {
-                err = parent_len;
-                goto err_out_exit;
-        }
-
-        if (target_len < 0) {
-                err = target_len;
-                goto err_out_exit;
-        }
-
-        t = netfs_trans_alloc(psb, parent_len + target_len + obj->len + 2, 0, 0);
-        if (!t) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-        cur_len = netfs_trans_cur_len(t);
-
-        cmd = netfs_trans_current(t);
-        if (IS_ERR(cmd)) {
-                err = PTR_ERR(cmd);
-                goto err_out_free;
-        }
-
-        data = (void *)(cmd + 1);
-        cur_len -= sizeof(struct netfs_cmd);
-
-        err = pohmelfs_construct_path_string(parent, data, parent_len);
-        if (err > 0) {
-                /* Do not place null-byte before the slash */
-                path_size = err - 1;
-                cur_len -= path_size;
-
-                err = snprintf(data + path_size, cur_len, "/%s|", obj->name);
-
-                path_size += err;
-                cur_len -= err;
-
-                cmd->ext = path_size - 1; /* No | symbol */
-
-                if (target) {
-                        err = pohmelfs_construct_path_string(target, data + path_size, target_len);
-                        if (err > 0) {
-                                path_size += err;
-                                cur_len -= err;
-                        }
-                }
-        }
-
-        if (err < 0)
-                goto err_out_free;
-
-        cmd->start = 0;
-
-        if (!target && tstr) {
-                if (tstr->len > cur_len - 1) {
-                        err = -ENAMETOOLONG;
-                        goto err_out_free;
-                }
-
-                err = snprintf(data + path_size, cur_len, "%s", tstr->name) + 1; /* 0-byte */
-                path_size += err;
-                cur_len -= err;
-                cmd->start = 1;
-        }
-
-        dprintk("%s: parent: %llu, obj: '%s', target_inode: %llu, target_str: '%s', full: '%s'.\n",
-                        __func__, parent->ino, obj->name, (target) ? target->ino : 0, (tstr) ? tstr->name : NULL,
-                        (char *)data);
-
-        cmd->cmd = NETFS_LINK;
-        cmd->size = path_size;
-        cmd->id = parent->ino;
-
-        netfs_convert_cmd(cmd);
-
-        netfs_trans_update(cmd, t, path_size);
-
-        err = netfs_trans_finish(t, psb);
-        if (err)
-                goto err_out_exit;
-
-        return 0;
-
-err_out_free:
-        t->result = err;
-        netfs_trans_put(t);
-err_out_exit:
-        return err;
-}
-
-/*
- *  VFS hard and soft link callbacks.
- */
-static int pohmelfs_link(struct dentry *old_dentry, struct inode *dir,
-        struct dentry *dentry)
-{
-        struct inode *inode = old_dentry->d_inode;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        int err;
-        struct qstr str = dentry->d_name;
-
-        str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-        err = inode->i_sb->s_op->write_inode(inode, 0);
-        if (err)
-                return err;
-
-        err = pohmelfs_create_link(POHMELFS_I(dir), &str, pi, NULL);
-        if (err)
-                return err;
-
-        return pohmelfs_create_entry(dir, dentry, pi->ino, inode->i_mode);
-}
-
-static int pohmelfs_symlink(struct inode *dir, struct dentry *dentry, const char *symname)
-{
-        struct qstr sym_str;
-        struct qstr str = dentry->d_name;
-        struct inode *inode;
-        int err;
-
-        str.hash = jhash(dentry->d_name.name, dentry->d_name.len, 0);
-
-        sym_str.name = symname;
-        sym_str.len = strlen(symname);
-
-        err = pohmelfs_create_link(POHMELFS_I(dir), &str, NULL, &sym_str);
-        if (err)
-                goto err_out_exit;
-
-        err = pohmelfs_create_entry(dir, dentry, 0, S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO);
-        if (err)
-                goto err_out_exit;
-
-        inode = dentry->d_inode;
-
-        err = page_symlink(inode, symname, sym_str.len + 1);
-        if (err)
-                goto err_out_put;
-
-        return 0;
-
-err_out_put:
-        iput(inode);
-err_out_exit:
-        return err;
-}
-
-static int pohmelfs_send_rename(struct pohmelfs_inode *pi, struct pohmelfs_inode *parent,
-                struct qstr *str)
-{
-        int path_len, err, total_len = 0, inode_len, parent_len;
-        char *path;
-        struct netfs_trans *t;
-        struct netfs_cmd *cmd;
-        struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-        parent_len = pohmelfs_path_length(parent);
-        inode_len = pohmelfs_path_length(pi);
-
-        if (parent_len < 0 || inode_len < 0)
-                return -EINVAL;
-
-        path_len = parent_len + inode_len + str->len + 3;
-
-        t = netfs_trans_alloc(psb, path_len, 0, 0);
-        if (!t)
-                return -ENOMEM;
-
-        cmd = netfs_trans_current(t);
-        path = (char *)(cmd + 1);
-
-        err = pohmelfs_construct_path_string(pi, path, inode_len);
-        if (err < 0)
-                goto err_out_unlock;
-
-        cmd->ext = err;
-
-        path += err;
-        total_len += err;
-        path_len -= err;
-
-        *path = '|';
-        path++;
-        total_len++;
-        path_len--;
-
-        err = pohmelfs_construct_path_string(parent, path, parent_len);
-        if (err < 0)
-                goto err_out_unlock;
-
-        /*
-         * Do not place a null-byte before the final slash and the name.
-         */
-        err--;
-        path += err;
-        total_len += err;
-        path_len -= err;
-
-        err = snprintf(path, path_len - 1, "/%s", str->name);
-
-        total_len += err + 1; /* 0 symbol */
-        path_len -= err + 1;
-
-        cmd->cmd = NETFS_RENAME;
-        cmd->id = pi->ino;
-        cmd->start = parent->ino;
-        cmd->size = total_len;
-
-        netfs_convert_cmd(cmd);
-
-        netfs_trans_update(cmd, t, total_len);
-
-        return netfs_trans_finish(t, psb);
-
-err_out_unlock:
-        netfs_trans_free(t);
-        return err;
-}
-
-static int pohmelfs_rename(struct inode *old_dir, struct dentry *old_dentry,
-                        struct inode *new_dir, struct dentry *new_dentry)
-{
-        struct inode *inode = old_dentry->d_inode;
-        struct pohmelfs_inode *old_parent, *pi, *new_parent;
-        struct qstr str = new_dentry->d_name;
-        struct pohmelfs_name *n;
-        unsigned int old_hash;
-        int err = -ENOENT;
-
-        pi = POHMELFS_I(inode);
-        old_parent = POHMELFS_I(old_dir);
-
-        if (new_dir)
-                new_dir->i_sb->s_op->write_inode(new_dir, 0);
-
-        old_hash = jhash(old_dentry->d_name.name, old_dentry->d_name.len, 0);
-        str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0);
-
-        str.len = new_dentry->d_name.len;
-        str.name = new_dentry->d_name.name;
-        str.hash = jhash(new_dentry->d_name.name, new_dentry->d_name.len, 0);
-
-        if (new_dir) {
-                new_parent = POHMELFS_I(new_dir);
-                err = -ENOTEMPTY;
-
-                if (S_ISDIR(inode->i_mode) &&
-                                new_parent->total_len <= 3)
-                        goto err_out_exit;
-        } else {
-                new_parent = old_parent;
-        }
-
-        dprintk("%s: ino: %llu, parent: %llu, name: '%s' -> parent: %llu, name: '%s', i_size: %llu.\n",
-                        __func__, pi->ino, old_parent->ino, old_dentry->d_name.name,
-                        new_parent->ino, new_dentry->d_name.name, inode->i_size);
-
-        if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state) &&
-                        test_bit(NETFS_INODE_OWNED, &pi->state)) {
-                err = pohmelfs_send_rename(pi, new_parent, &str);
-                if (err)
-                        goto err_out_exit;
-        }
-
-        n = pohmelfs_name_alloc(str.len + 1);
-        if (!n)
-                goto err_out_exit;
-
-        mutex_lock(&new_parent->offset_lock);
-        n->ino = pi->ino;
-        n->mode = inode->i_mode;
-        n->len = str.len;
-        n->hash = str.hash;
-        sprintf(n->data, "%s", str.name);
-
-        err = pohmelfs_insert_name(new_parent, n);
-        mutex_unlock(&new_parent->offset_lock);
-
-        if (err)
-                goto err_out_exit;
-
-        mutex_lock(&old_parent->offset_lock);
-        n = pohmelfs_search_hash(old_parent, old_hash);
-        if (n)
-                pohmelfs_name_del(old_parent, n);
-        mutex_unlock(&old_parent->offset_lock);
-
-        mark_inode_dirty(inode);
-        mark_inode_dirty(&new_parent->vfs_inode);
-
-        WARN_ON_ONCE(list_empty(&inode->i_dentry));
-
-        return 0;
-
-err_out_exit:
-
-        clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-        return err;
-}
-
-/*
- * POHMELFS directory inode operations.
- */
-const struct inode_operations pohmelfs_dir_inode_ops = {
-        .link           = pohmelfs_link,
-        .symlink        = pohmelfs_symlink,
-        .unlink         = pohmelfs_unlink,
-        .mkdir          = pohmelfs_mkdir,
-        .rmdir          = pohmelfs_rmdir,
-        .create         = pohmelfs_create,
-        .lookup         = pohmelfs_lookup,
-        .setattr        = pohmelfs_setattr,
-        .rename         = pohmelfs_rename,
-};
diff --git a/drivers/staging/pohmelfs/inode.c b/drivers/staging/pohmelfs/inode.c
deleted file mode 100644
index 807e3f324113..000000000000
--- a/drivers/staging/pohmelfs/inode.c
+++ /dev/null
@@ -1,2055 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/backing-dev.h>
-#include <linux/crypto.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/hash.h>
-#include <linux/ktime.h>
-#include <linux/mm.h>
-#include <linux/mount.h>
-#include <linux/pagemap.h>
-#include <linux/pagevec.h>
-#include <linux/parser.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/statfs.h>
-#include <linux/writeback.h>
-#include <linux/prefetch.h>
-
-#include "netfs.h"
-
-#define POHMELFS_MAGIC_NUM      0x504f482e
-
-static struct kmem_cache *pohmelfs_inode_cache;
-static atomic_t psb_bdi_num = ATOMIC_INIT(0);
-
-/*
- * Removes inode from all trees, drops local name cache and removes all queued
- * requests for object removal.
- */
-void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi)
-{
-        mutex_lock(&pi->offset_lock);
-        pohmelfs_free_names(pi);
-        mutex_unlock(&pi->offset_lock);
-
-        dprintk("%s: deleted stuff in ino: %llu.\n", __func__, pi->ino);
-}
-
-/*
- * Sync inode to server.
- * Returns zero in success and negative error value otherwise.
- * It will gather path to root directory into structures containing
- * creation mode, permissions and names, so that the whole path
- * to given inode could be created using only single network command.
- */
-int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans)
-{
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        int err = -ENOMEM, size;
-        struct netfs_cmd *cmd;
-        void *data;
-        int cur_len = netfs_trans_cur_len(trans);
-
-        if (unlikely(cur_len < 0))
-                return -ETOOSMALL;
-
-        cmd = netfs_trans_current(trans);
-        cur_len -= sizeof(struct netfs_cmd);
-
-        data = (void *)(cmd + 1);
-
-        err = pohmelfs_construct_path_string(pi, data, cur_len);
-        if (err < 0)
-                goto err_out_exit;
-
-        size = err;
-
-        cmd->start = i_size_read(inode);
-        cmd->cmd = NETFS_CREATE;
-        cmd->size = size;
-        cmd->id = pi->ino;
-        cmd->ext = inode->i_mode;
-
-        netfs_convert_cmd(cmd);
-
-        netfs_trans_update(cmd, trans, size);
-
-        return 0;
-
-err_out_exit:
-        printk("%s: completed ino: %llu, err: %d.\n", __func__, pi->ino, err);
-        return err;
-}
-
-static int pohmelfs_write_trans_complete(struct page **pages, unsigned int page_num,
-                void *private, int err)
-{
-        unsigned i;
-
-        dprintk("%s: pages: %lu-%lu, page_num: %u, err: %d.\n",
-                        __func__, pages[0]->index, pages[page_num-1]->index,
-                        page_num, err);
-
-        for (i = 0; i < page_num; i++) {
-                struct page *page = pages[i];
-
-                if (!page)
-                        continue;
-
-                end_page_writeback(page);
-
-                if (err < 0) {
-                        SetPageError(page);
-                        set_page_dirty(page);
-                }
-
-                unlock_page(page);
-                page_cache_release(page);
-
-                /* dprintk("%s: %3u/%u: page: %p.\n", __func__, i, page_num, page); */
-        }
-        return err;
-}
-
-static int pohmelfs_inode_has_dirty_pages(struct address_space *mapping, pgoff_t index)
-{
-        int ret;
-        struct page *page;
-
-        rcu_read_lock();
-        ret = radix_tree_gang_lookup_tag(&mapping->page_tree,
-                                (void **)&page, index, 1, PAGECACHE_TAG_DIRTY);
-        rcu_read_unlock();
-        return ret;
-}
-
-static int pohmelfs_writepages(struct address_space *mapping, struct writeback_control *wbc)
-{
-        struct inode *inode = mapping->host;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        int err = 0;
-        int done = 0;
-        int nr_pages;
-        pgoff_t index;
-        pgoff_t end;            /* Inclusive */
-        int scanned = 0;
-        int range_whole = 0;
-
-        if (wbc->range_cyclic) {
-                index = mapping->writeback_index; /* Start from prev offset */
-                end = -1;
-        } else {
-                index = wbc->range_start >> PAGE_CACHE_SHIFT;
-                end = wbc->range_end >> PAGE_CACHE_SHIFT;
-                if (wbc->range_start == 0 && wbc->range_end == LLONG_MAX)
-                        range_whole = 1;
-                scanned = 1;
-        }
-retry:
-        while (!done && (index <= end)) {
-                unsigned int i = min(end - index, (pgoff_t)psb->trans_max_pages);
-                int path_len;
-                struct netfs_trans *trans;
-
-                err = pohmelfs_inode_has_dirty_pages(mapping, index);
-                if (!err)
-                        break;
-
-                err = pohmelfs_path_length(pi);
-                if (err < 0)
-                        break;
-
-                path_len = err;
-
-                if (path_len <= 2) {
-                        err = -ENOENT;
-                        break;
-                }
-
-                trans = netfs_trans_alloc(psb, path_len, 0, i);
-                if (!trans) {
-                        err = -ENOMEM;
-                        break;
-                }
-                trans->complete = &pohmelfs_write_trans_complete;
-
-                trans->page_num = nr_pages = find_get_pages_tag(mapping, &index,
-                                PAGECACHE_TAG_DIRTY, trans->page_num,
-                                trans->pages);
-
-                dprintk("%s: t: %p, nr_pages: %u, end: %lu, index: %lu, max: %u.\n",
-                                __func__, trans, nr_pages, end, index, trans->page_num);
-
-                if (!nr_pages)
-                        goto err_out_reset;
-
-                err = pohmelfs_write_inode_create(inode, trans);
-                if (err)
-                        goto err_out_reset;
-
-                err = 0;
-                scanned = 1;
-
-                for (i = 0; i < trans->page_num; i++) {
-                        struct page *page = trans->pages[i];
-
-                        lock_page(page);
-
-                        if (unlikely(page->mapping != mapping))
-                                goto out_continue;
-
-                        if (!wbc->range_cyclic && page->index > end) {
-                                done = 1;
-                                goto out_continue;
-                        }
-
-                        if (wbc->sync_mode != WB_SYNC_NONE)
-                                wait_on_page_writeback(page);
-
-                        if (PageWriteback(page) ||
-                            !clear_page_dirty_for_io(page)) {
-                                dprintk("%s: not clear for io page: %p, writeback: %d.\n",
-                                                __func__, page, PageWriteback(page));
-                                goto out_continue;
-                        }
-
-                        set_page_writeback(page);
-
-                        trans->attached_size += page_private(page);
-                        trans->attached_pages++;
-#if 0
-                        dprintk("%s: %u/%u added trans: %p, gen: %u, page: %p, [High: %d], size: %lu, idx: %lu.\n",
-                                        __func__, i, trans->page_num, trans, trans->gen, page,
-                                        !!PageHighMem(page), page_private(page), page->index);
-#endif
-                        wbc->nr_to_write--;
-
-                        if (wbc->nr_to_write <= 0)
-                                done = 1;
-
-                        continue;
-out_continue:
-                        unlock_page(page);
-                        trans->pages[i] = NULL;
-                }
-
-                err = netfs_trans_finish(trans, psb);
-                if (err)
-                        break;
-
-                continue;
-
-err_out_reset:
-                trans->result = err;
-                netfs_trans_reset(trans);
-                netfs_trans_put(trans);
-                break;
-        }
-
-        if (!scanned && !done) {
-                /*
-                 * We hit the last page and there is more work to be done: wrap
-                 * back to the start of the file
-                 */
-                scanned = 1;
-                index = 0;
-                goto retry;
-        }
-
-        if (wbc->range_cyclic || (range_whole && wbc->nr_to_write > 0))
-                mapping->writeback_index = index;
-
-        return err;
-}
-
-/*
- * Inode writeback creation completion callback.
- * Only invoked for just created inodes, which do not have pages attached,
- * like dirs and empty files.
- */
-static int pohmelfs_write_inode_complete(struct page **pages, unsigned int page_num,
-                void *private, int err)
-{
-        struct inode *inode = private;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-        if (inode) {
-                if (err) {
-                        mark_inode_dirty(inode);
-                        clear_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-                } else {
-                        set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-                }
-
-                pohmelfs_put_inode(pi);
-        }
-
-        return err;
-}
-
-int pohmelfs_write_create_inode(struct pohmelfs_inode *pi)
-{
-        struct netfs_trans *t;
-        struct inode *inode = &pi->vfs_inode;
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        int err;
-
-        if (test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-                return 0;
-
-        dprintk("%s: started ino: %llu.\n", __func__, pi->ino);
-
-        err = pohmelfs_path_length(pi);
-        if (err < 0)
-                goto err_out_exit;
-
-        t = netfs_trans_alloc(psb, err + 1, 0, 0);
-        if (!t) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-        t->complete = pohmelfs_write_inode_complete;
-        t->private = igrab(inode);
-        if (!t->private) {
-                err = -ENOENT;
-                goto err_out_put;
-        }
-
-        err = pohmelfs_write_inode_create(inode, t);
-        if (err)
-                goto err_out_put;
-
-        netfs_trans_finish(t, POHMELFS_SB(inode->i_sb));
-
-        return 0;
-
-err_out_put:
-        t->result = err;
-        netfs_trans_put(t);
-err_out_exit:
-        return err;
-}
-
-/*
- * Sync all not-yet-created children in given directory to the server.
- */
-static int pohmelfs_write_inode_create_children(struct inode *inode)
-{
-        struct pohmelfs_inode *parent = POHMELFS_I(inode);
-        struct super_block *sb = inode->i_sb;
-        struct pohmelfs_name *n;
-
-        while (!list_empty(&parent->sync_create_list)) {
-                n = NULL;
-                mutex_lock(&parent->offset_lock);
-                if (!list_empty(&parent->sync_create_list)) {
-                        n = list_first_entry(&parent->sync_create_list,
-                                struct pohmelfs_name, sync_create_entry);
-                        list_del_init(&n->sync_create_entry);
-                }
-                mutex_unlock(&parent->offset_lock);
-
-                if (!n)
-                        break;
-
-                inode = ilookup(sb, n->ino);
-
-                dprintk("%s: parent: %llu, ino: %llu, inode: %p.\n",
-                                __func__, parent->ino, n->ino, inode);
-
-                if (inode && (inode->i_state & I_DIRTY)) {
-                        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-                        pohmelfs_write_create_inode(pi);
-                        /* pohmelfs_meta_command(pi, NETFS_INODE_INFO, 0, NULL, NULL, 0); */
-                        iput(inode);
-                }
-        }
-
-        return 0;
-}
-
-/*
- * Removes given child from given inode on server.
- */
-int pohmelfs_remove_child(struct pohmelfs_inode *pi, struct pohmelfs_name *n)
-{
-        return pohmelfs_meta_command_data(pi, pi->ino, NETFS_REMOVE, NULL, 0, NULL, NULL, 0);
-}
-
-/*
- * Writeback for given inode.
- */
-static int pohmelfs_write_inode(struct inode *inode,
-                                struct writeback_control *wbc)
-{
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-        pohmelfs_write_create_inode(pi);
-        pohmelfs_write_inode_create_children(inode);
-
-        return 0;
-}
-
-/*
- * It is not exported, sorry...
- */
-static inline wait_queue_head_t *page_waitqueue(struct page *page)
-{
-        const struct zone *zone = page_zone(page);
-
-        return &zone->wait_table[hash_ptr(page, zone->wait_table_bits)];
-}
-
-static int pohmelfs_wait_on_page_locked(struct page *page)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(page->mapping->host->i_sb);
-        long ret = psb->wait_on_page_timeout;
-        DEFINE_WAIT_BIT(wait, &page->flags, PG_locked);
-        int err = 0;
-
-        if (!PageLocked(page))
-                return 0;
-
-        for (;;) {
-                prepare_to_wait(page_waitqueue(page),
-                                &wait.wait, TASK_INTERRUPTIBLE);
-
-                dprintk("%s: page: %p, locked: %d, uptodate: %d, error: %d, flags: %lx.\n",
-                                __func__, page, PageLocked(page), PageUptodate(page),
-                                PageError(page), page->flags);
-
-                if (!PageLocked(page))
-                        break;
-
-                if (!signal_pending(current)) {
-                        ret = schedule_timeout(ret);
-                        if (!ret)
-                                break;
-                        continue;
-                }
-                ret = -ERESTARTSYS;
-                break;
-        }
-        finish_wait(page_waitqueue(page), &wait.wait);
-
-        if (!ret)
-                err = -ETIMEDOUT;
-
-
-        if (!err)
-                SetPageUptodate(page);
-
-        if (err)
-                printk("%s: page: %p, uptodate: %d, locked: %d, err: %d.\n",
-                        __func__, page, PageUptodate(page), PageLocked(page), err);
-
-        return err;
-}
-
-static int pohmelfs_read_page_complete(struct page **pages, unsigned int page_num,
-                void *private, int err)
-{
-        struct page *page = private;
-
-        if (PageChecked(page))
-                return err;
-
-        if (err < 0) {
-                dprintk("%s: page: %p, err: %d.\n", __func__, page, err);
-                SetPageError(page);
-        }
-
-        unlock_page(page);
-
-        return err;
-}
-
-/*
- * Read a page from remote server.
- * Function will wait until page is unlocked.
- */
-static int pohmelfs_readpage(struct file *file, struct page *page)
-{
-        struct inode *inode = page->mapping->host;
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        struct netfs_trans *t;
-        struct netfs_cmd *cmd;
-        int err, path_len;
-        void *data;
-        u64 isize;
-
-        err = pohmelfs_data_lock(pi, page->index << PAGE_CACHE_SHIFT,
-                        PAGE_SIZE, POHMELFS_READ_LOCK);
-        if (err)
-                goto err_out_exit;
-
-        isize = i_size_read(inode);
-        if (isize <= page->index << PAGE_CACHE_SHIFT) {
-                SetPageUptodate(page);
-                unlock_page(page);
-                return 0;
-        }
-
-        path_len = pohmelfs_path_length(pi);
-        if (path_len < 0) {
-                err = path_len;
-                goto err_out_exit;
-        }
-
-        t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0);
-        if (!t) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-
-        t->complete = pohmelfs_read_page_complete;
-        t->private = page;
-
-        cmd = netfs_trans_current(t);
-        data = (void *)(cmd + 1);
-
-        err = pohmelfs_construct_path_string(pi, data, path_len);
-        if (err < 0)
-                goto err_out_free;
-
-        path_len = err;
-
-        cmd->id = pi->ino;
-        cmd->start = page->index;
-        cmd->start <<= PAGE_CACHE_SHIFT;
-        cmd->size = PAGE_CACHE_SIZE + path_len;
-        cmd->cmd = NETFS_READ_PAGE;
-        cmd->ext = path_len;
-
-        dprintk("%s: path: '%s', page: %p, ino: %llu, start: %llu, size: %lu.\n",
-                        __func__, (char *)data, page, pi->ino, cmd->start, PAGE_CACHE_SIZE);
-
-        netfs_convert_cmd(cmd);
-        netfs_trans_update(cmd, t, path_len);
-
-        err = netfs_trans_finish(t, psb);
-        if (err)
-                goto err_out_return;
-
-        return pohmelfs_wait_on_page_locked(page);
-
-err_out_free:
-        t->result = err;
-        netfs_trans_put(t);
-err_out_exit:
-        SetPageError(page);
-        if (PageLocked(page))
-                unlock_page(page);
-err_out_return:
-        printk("%s: page: %p, start: %lu, size: %lu, err: %d.\n",
-                __func__, page, page->index << PAGE_CACHE_SHIFT, PAGE_CACHE_SIZE, err);
-
-        return err;
-}
-
-/*
- * Write begin/end magic.
- * Allocates a page and writes inode if it was not synced to server before.
- */
-static int pohmelfs_write_begin(struct file *file, struct address_space *mapping,
-                loff_t pos, unsigned len, unsigned flags,
-                struct page **pagep, void **fsdata)
-{
-        struct inode *inode = mapping->host;
-        struct page *page;
-        pgoff_t index;
-        unsigned start, end;
-        int err;
-
-        *pagep = NULL;
-
-        index = pos >> PAGE_CACHE_SHIFT;
-        start = pos & (PAGE_CACHE_SIZE - 1);
-        end = start + len;
-
-        page = grab_cache_page(mapping, index);
-#if 0
-        dprintk("%s: page: %p pos: %llu, len: %u, index: %lu, start: %u, end: %u, uptodate: %d.\n",
-                        __func__, page, pos, len, index, start, end, PageUptodate(page));
-#endif
-        if (!page) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-
-        while (!PageUptodate(page)) {
-                if (start && test_bit(NETFS_INODE_REMOTE_SYNCED, &POHMELFS_I(inode)->state)) {
-                        err = pohmelfs_readpage(file, page);
-                        if (err)
-                                goto err_out_exit;
-
-                        lock_page(page);
-                        continue;
-                }
-
-                if (len != PAGE_CACHE_SIZE) {
-                        void *kaddr = kmap_atomic(page, KM_USER0);
-
-                        memset(kaddr + start, 0, PAGE_CACHE_SIZE - start);
-                        flush_dcache_page(page);
-                        kunmap_atomic(kaddr, KM_USER0);
-                }
-                SetPageUptodate(page);
-        }
-
-        set_page_private(page, end);
-
-        *pagep = page;
-
-        return 0;
-
-err_out_exit:
-        page_cache_release(page);
-        *pagep = NULL;
-
-        return err;
-}
-
-static int pohmelfs_write_end(struct file *file, struct address_space *mapping,
-                        loff_t pos, unsigned len, unsigned copied,
-                        struct page *page, void *fsdata)
-{
-        struct inode *inode = mapping->host;
-
-        if (copied != len) {
-                unsigned from = pos & (PAGE_CACHE_SIZE - 1);
-                void *kaddr = kmap_atomic(page, KM_USER0);
-
-                memset(kaddr + from + copied, 0, len - copied);
-                flush_dcache_page(page);
-                kunmap_atomic(kaddr, KM_USER0);
-        }
-
-        SetPageUptodate(page);
-        set_page_dirty(page);
-#if 0
-        dprintk("%s: page: %p [U: %d, D: %d, L: %d], pos: %llu, len: %u, copied: %u.\n",
-                        __func__, page,
-                        PageUptodate(page), PageDirty(page), PageLocked(page),
-                        pos, len, copied);
-#endif
-        flush_dcache_page(page);
-
-        unlock_page(page);
-        page_cache_release(page);
-
-        if (pos + copied > inode->i_size) {
-                struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-
-                psb->avail_size -= pos + copied - inode->i_size;
-
-                i_size_write(inode, pos + copied);
-        }
-
-        return copied;
-}
-
-static int pohmelfs_readpages_trans_complete(struct page **__pages, unsigned int page_num,
-                void *private, int err)
-{
-        struct pohmelfs_inode *pi = private;
-        unsigned int i, num;
-        struct page **pages, *page = (struct page *)__pages;
-        loff_t index = page->index;
-
-        pages = kzalloc(sizeof(void *) * page_num, GFP_NOIO);
-        if (!pages)
-                return -ENOMEM;
-
-        num = find_get_pages_contig(pi->vfs_inode.i_mapping, index, page_num, pages);
-        if (num <= 0) {
-                err = num;
-                goto err_out_free;
-        }
-
-        for (i = 0; i < num; ++i) {
-                page = pages[i];
-
-                if (err)
-                        printk("%s: %u/%u: page: %p, index: %lu, uptodate: %d, locked: %d, err: %d.\n",
-                                __func__, i, num, page, page->index,
-                                PageUptodate(page), PageLocked(page), err);
-
-                if (!PageChecked(page)) {
-                        if (err < 0)
-                                SetPageError(page);
-                        unlock_page(page);
-                }
-                page_cache_release(page);
-                page_cache_release(page);
-        }
-
-err_out_free:
-        kfree(pages);
-        return err;
-}
-
-static int pohmelfs_send_readpages(struct pohmelfs_inode *pi, struct page *first, unsigned int num)
-{
-        struct netfs_trans *t;
-        struct netfs_cmd *cmd;
-        struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-        int err, path_len;
-        void *data;
-
-        err = pohmelfs_data_lock(pi, first->index << PAGE_CACHE_SHIFT,
-                        num * PAGE_SIZE, POHMELFS_READ_LOCK);
-        if (err)
-                goto err_out_exit;
-
-        path_len = pohmelfs_path_length(pi);
-        if (path_len < 0) {
-                err = path_len;
-                goto err_out_exit;
-        }
-
-        t = netfs_trans_alloc(psb, path_len, NETFS_TRANS_SINGLE_DST, 0);
-        if (!t) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-
-        cmd = netfs_trans_current(t);
-        data = (void *)(cmd + 1);
-
-        t->complete = pohmelfs_readpages_trans_complete;
-        t->private = pi;
-        t->page_num = num;
-        t->pages = (struct page **)first;
-
-        err = pohmelfs_construct_path_string(pi, data, path_len);
-        if (err < 0)
-                goto err_out_put;
-
-        path_len = err;
-
-        cmd->cmd = NETFS_READ_PAGES;
-        cmd->start = first->index;
-        cmd->start <<= PAGE_CACHE_SHIFT;
-        cmd->size = (num << 8 | PAGE_CACHE_SHIFT);
-        cmd->id = pi->ino;
-        cmd->ext = path_len;
-
-        dprintk("%s: t: %p, gen: %u, path: '%s', path_len: %u, "
-                        "start: %lu, num: %u.\n",
-                        __func__, t, t->gen, (char *)data, path_len,
-                        first->index, num);
-
-        netfs_convert_cmd(cmd);
-        netfs_trans_update(cmd, t, path_len);
-
-        return netfs_trans_finish(t, psb);
-
-err_out_put:
-        netfs_trans_free(t);
-err_out_exit:
-        pohmelfs_readpages_trans_complete((struct page **)first, num, pi, err);
-        return err;
-}
-
-#define list_to_page(head) (list_entry((head)->prev, struct page, lru))
-
-static int pohmelfs_readpages(struct file *file, struct address_space *mapping,
-                        struct list_head *pages, unsigned nr_pages)
-{
-        unsigned int page_idx, num = 0;
-        struct page *page = NULL, *first = NULL;
-
-        for (page_idx = 0; page_idx < nr_pages; page_idx++) {
-                page = list_to_page(pages);
-
-                prefetchw(&page->flags);
-                list_del(&page->lru);
-
-                if (!add_to_page_cache_lru(page, mapping,
-                                        page->index, GFP_KERNEL)) {
-
-                        if (!num) {
-                                num = 1;
-                                first = page;
-                                continue;
-                        }
-
-                        dprintk("%s: added to lru page: %p, page_index: %lu, first_index: %lu.\n",
-                                        __func__, page, page->index, first->index);
-
-                        if (unlikely(first->index + num != page->index) || (num > 500)) {
-                                pohmelfs_send_readpages(POHMELFS_I(mapping->host),
-                                                first, num);
-                                first = page;
-                                num = 0;
-                        }
-
-                        num++;
-                }
-        }
-        pohmelfs_send_readpages(POHMELFS_I(mapping->host), first, num);
-
-        /*
-         * This will be sync read, so when last page is processed,
-         * all previous are alerady unlocked and ready to be used.
-         */
-        return 0;
-}
-
-/*
- * Small address space operations for POHMELFS.
- */
-const struct address_space_operations pohmelfs_aops = {
-        .readpage               = pohmelfs_readpage,
-        .readpages              = pohmelfs_readpages,
-        .writepages             = pohmelfs_writepages,
-        .write_begin            = pohmelfs_write_begin,
-        .write_end              = pohmelfs_write_end,
-        .set_page_dirty         = __set_page_dirty_nobuffers,
-};
-
-static void pohmelfs_i_callback(struct rcu_head *head)
-{
-        struct inode *inode = container_of(head, struct inode, i_rcu);
-        kmem_cache_free(pohmelfs_inode_cache, POHMELFS_I(inode));
-}
-
-/*
- * ->destroy_inode() callback. Deletes inode from the caches
- *  and frees private data.
- */
-static void pohmelfs_destroy_inode(struct inode *inode)
-{
-        struct super_block *sb = inode->i_sb;
-        struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-        /* pohmelfs_data_unlock(pi, 0, inode->i_size, POHMELFS_READ_LOCK); */
-
-        pohmelfs_inode_del_inode(psb, pi);
-
-        dprintk("%s: pi: %p, inode: %p, ino: %llu.\n",
-                __func__, pi, &pi->vfs_inode, pi->ino);
-        atomic_long_dec(&psb->total_inodes);
-        call_rcu(&inode->i_rcu, pohmelfs_i_callback);
-}
-
-/*
- * ->alloc_inode() callback. Allocates inode and initializes private data.
- */
-static struct inode *pohmelfs_alloc_inode(struct super_block *sb)
-{
-        struct pohmelfs_inode *pi;
-
-        pi = kmem_cache_alloc(pohmelfs_inode_cache, GFP_NOIO);
-        if (!pi)
-                return NULL;
-
-        pi->hash_root = RB_ROOT;
-        mutex_init(&pi->offset_lock);
-
-        INIT_LIST_HEAD(&pi->sync_create_list);
-
-        INIT_LIST_HEAD(&pi->inode_entry);
-
-        pi->lock_type = 0;
-        pi->state = 0;
-        pi->total_len = 0;
-        pi->drop_count = 0;
-
-        dprintk("%s: pi: %p, inode: %p.\n", __func__, pi, &pi->vfs_inode);
-
-        atomic_long_inc(&POHMELFS_SB(sb)->total_inodes);
-
-        return &pi->vfs_inode;
-}
-
-/*
- * We want fsync() to work on POHMELFS.
- */
-static int pohmelfs_fsync(struct file *file, loff_t start, loff_t end, int datasync)
-{
-        struct inode *inode = file->f_mapping->host;
-        int err = filemap_write_and_wait_range(inode->i_mapping, start, end);
-        if (!err) {
-                mutex_lock(&inode->i_mutex);
-                err = sync_inode_metadata(inode, 1);
-                mutex_unlock(&inode->i_mutex);
-        }
-        return err;
-}
-
-ssize_t pohmelfs_write(struct file *file, const char __user *buf,
-                size_t len, loff_t *ppos)
-{
-        struct address_space *mapping = file->f_mapping;
-        struct inode *inode = mapping->host;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        struct iovec iov = { .iov_base = (void __user *)buf, .iov_len = len };
-        struct kiocb kiocb;
-        ssize_t ret;
-        loff_t pos = *ppos;
-
-        init_sync_kiocb(&kiocb, file);
-        kiocb.ki_pos = pos;
-        kiocb.ki_left = len;
-
-        dprintk("%s: len: %zu, pos: %llu.\n", __func__, len, pos);
-
-        mutex_lock(&inode->i_mutex);
-        ret = pohmelfs_data_lock(pi, pos, len, POHMELFS_WRITE_LOCK);
-        if (ret)
-                goto err_out_unlock;
-
-        ret = __generic_file_aio_write(&kiocb, &iov, 1, &kiocb.ki_pos);
-        *ppos = kiocb.ki_pos;
-
-        mutex_unlock(&inode->i_mutex);
-        WARN_ON(ret < 0);
-
-        if (ret > 0) {
-                ssize_t err;
-
-                err = generic_write_sync(file, pos, ret);
-                if (err < 0)
-                        ret = err;
-                WARN_ON(ret < 0);
-        }
-
-        return ret;
-
-err_out_unlock:
-        mutex_unlock(&inode->i_mutex);
-        return ret;
-}
-
-static const struct file_operations pohmelfs_file_ops = {
-        .open           = generic_file_open,
-        .fsync          = pohmelfs_fsync,
-
-        .llseek         = generic_file_llseek,
-
-        .read           = do_sync_read,
-        .aio_read       = generic_file_aio_read,
-
-        .mmap           = generic_file_mmap,
-
-        .splice_read    = generic_file_splice_read,
-        .splice_write   = generic_file_splice_write,
-
-        .write          = pohmelfs_write,
-        .aio_write      = generic_file_aio_write,
-};
-
-const struct inode_operations pohmelfs_symlink_inode_operations = {
-        .readlink       = generic_readlink,
-        .follow_link    = page_follow_link_light,
-        .put_link       = page_put_link,
-};
-
-int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr)
-{
-        int err;
-
-        err = inode_change_ok(inode, attr);
-        if (err) {
-                dprintk("%s: ino: %llu, inode changes are not allowed.\n", __func__, POHMELFS_I(inode)->ino);
-                goto err_out_exit;
-        }
-
-        if ((attr->ia_valid & ATTR_SIZE) &&
-            attr->ia_size != i_size_read(inode)) {
-                err = vmtruncate(inode, attr->ia_size);
-                if (err) {
-                        dprintk("%s: ino: %llu, failed to set the attributes.\n", __func__, POHMELFS_I(inode)->ino);
-                        goto err_out_exit;
-                }
-        }
-
-        setattr_copy(inode, attr);
-        mark_inode_dirty(inode);
-
-        dprintk("%s: ino: %llu, mode: %o -> %o, uid: %u -> %u, gid: %u -> %u, size: %llu -> %llu.\n",
-                        __func__, POHMELFS_I(inode)->ino, inode->i_mode, attr->ia_mode,
-                        inode->i_uid, attr->ia_uid, inode->i_gid, attr->ia_gid, inode->i_size, attr->ia_size);
-
-        return 0;
-
-err_out_exit:
-        return err;
-}
-
-int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr)
-{
-        struct inode *inode = dentry->d_inode;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        int err;
-
-        err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_WRITE_LOCK);
-        if (err)
-                goto err_out_exit;
-
-        err = security_inode_setattr(dentry, attr);
-        if (err)
-                goto err_out_exit;
-
-        err = pohmelfs_setattr_raw(inode, attr);
-        if (err)
-                goto err_out_exit;
-
-        return 0;
-
-err_out_exit:
-        return err;
-}
-
-static int pohmelfs_send_xattr_req(struct pohmelfs_inode *pi, u64 id, u64 start,
-                const char *name, const void *value, size_t attrsize, int command)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-        int err, path_len, namelen = strlen(name) + 1; /* 0-byte */
-        struct netfs_trans *t;
-        struct netfs_cmd *cmd;
-        void *data;
-
-        dprintk("%s: id: %llu, start: %llu, name: '%s', attrsize: %zu, cmd: %d.\n",
-                        __func__, id, start, name, attrsize, command);
-
-        path_len = pohmelfs_path_length(pi);
-        if (path_len < 0) {
-                err = path_len;
-                goto err_out_exit;
-        }
-
-        t = netfs_trans_alloc(psb, namelen + path_len + attrsize, 0, 0);
-        if (!t) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-
-        cmd = netfs_trans_current(t);
-        data = cmd + 1;
-
-        path_len = pohmelfs_construct_path_string(pi, data, path_len);
-        if (path_len < 0) {
-                err = path_len;
-                goto err_out_put;
-        }
-        data += path_len;
-
-        /*
-         * 'name' is a NUL-terminated string already and
-         * 'namelen' includes 0-byte.
-         */
-        memcpy(data, name, namelen);
-        data += namelen;
-
-        memcpy(data, value, attrsize);
-
-        cmd->cmd = command;
-        cmd->id = id;
-        cmd->start = start;
-        cmd->size = attrsize + namelen + path_len;
-        cmd->ext = path_len;
-        cmd->csize = 0;
-        cmd->cpad = 0;
-
-        netfs_convert_cmd(cmd);
-        netfs_trans_update(cmd, t, namelen + path_len + attrsize);
-
-        return netfs_trans_finish(t, psb);
-
-err_out_put:
-        t->result = err;
-        netfs_trans_put(t);
-err_out_exit:
-        return err;
-}
-
-static int pohmelfs_setxattr(struct dentry *dentry, const char *name,
-                const void *value, size_t attrsize, int flags)
-{
-        struct inode *inode = dentry->d_inode;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-
-        if (!(psb->state_flags & POHMELFS_FLAGS_XATTR))
-                return -EOPNOTSUPP;
-
-        return pohmelfs_send_xattr_req(pi, flags, attrsize, name,
-                        value, attrsize, NETFS_XATTR_SET);
-}
-
-static ssize_t pohmelfs_getxattr(struct dentry *dentry, const char *name,
-                void *value, size_t attrsize)
-{
-        struct inode *inode = dentry->d_inode;
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        struct pohmelfs_mcache *m;
-        int err;
-        long timeout = psb->mcache_timeout;
-
-        if (!(psb->state_flags & POHMELFS_FLAGS_XATTR))
-                return -EOPNOTSUPP;
-
-        m = pohmelfs_mcache_alloc(psb, 0, attrsize, value);
-        if (IS_ERR(m))
-                return PTR_ERR(m);
-
-        dprintk("%s: ino: %llu, name: '%s', size: %zu.\n",
-                        __func__, pi->ino, name, attrsize);
-
-        err = pohmelfs_send_xattr_req(pi, m->gen, attrsize, name, value, 0, NETFS_XATTR_GET);
-        if (err)
-                goto err_out_put;
-
-        do {
-                err = wait_for_completion_timeout(&m->complete, timeout);
-                if (err) {
-                        err = m->err;
-                        break;
-                }
-
-                /*
-                 * This loop is a bit ugly, since it waits until reference counter
-                 * hits 1 and then puts the object here. Main goal is to prevent race with
-                 * the network thread, when it can start processing the given request, i.e.
-                 * increase its reference counter but yet not complete it, while
-                 * we will exit from ->getxattr() with timeout, and although request
-                 * will not be freed (its reference counter was increased by network
-                 * thread), data pointer provided by user may be released, so we will
-                 * overwrite an already freed area in the network thread.
-                 *
-                 * Now after timeout we remove request from the cache, so it can not be
-                 * found by network thread, and wait for its reference counter to hit 1,
-                 * i.e. if network thread already started to process this request, we wait
-                 * for it to finish, and then free object locally. If reference counter is
-                 * already 1, i.e. request is not used by anyone else, we can free it without
-                 * problem.
-                 */
-                err = -ETIMEDOUT;
-                timeout = HZ;
-
-                pohmelfs_mcache_remove_locked(psb, m);
-        } while (atomic_read(&m->refcnt) != 1);
-
-        pohmelfs_mcache_put(psb, m);
-
-        dprintk("%s: ino: %llu, err: %d.\n", __func__, pi->ino, err);
-
-        return err;
-
-err_out_put:
-        pohmelfs_mcache_put(psb, m);
-        return err;
-}
-
-static int pohmelfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat)
-{
-        struct inode *inode = dentry->d_inode;
-#if 0
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-        int err;
-
-        err = pohmelfs_data_lock(pi, 0, ~0, POHMELFS_READ_LOCK);
-        if (err)
-                return err;
-        dprintk("%s: ino: %llu, mode: %o, uid: %u, gid: %u, size: %llu.\n",
-                        __func__, pi->ino, inode->i_mode, inode->i_uid,
-                        inode->i_gid, inode->i_size);
-#endif
-
-        generic_fillattr(inode, stat);
-        return 0;
-}
-
-const struct inode_operations pohmelfs_file_inode_operations = {
-        .setattr        = pohmelfs_setattr,
-        .getattr        = pohmelfs_getattr,
-        .setxattr       = pohmelfs_setxattr,
-        .getxattr       = pohmelfs_getxattr,
-};
-
-/*
- * Fill inode data: mode, size, operation callbacks and so on...
- */
-void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info)
-{
-        inode->i_mode = info->mode;
-        set_nlink(inode, info->nlink);
-        inode->i_uid = info->uid;
-        inode->i_gid = info->gid;
-        inode->i_blocks = info->blocks;
-        inode->i_rdev = info->rdev;
-        inode->i_size = info->size;
-        inode->i_version = info->version;
-        inode->i_blkbits = ffs(info->blocksize);
-
-        dprintk("%s: inode: %p, num: %lu/%llu inode is regular: %d, dir: %d, link: %d, mode: %o, size: %llu.\n",
-                        __func__, inode, inode->i_ino, info->ino,
-                        S_ISREG(inode->i_mode), S_ISDIR(inode->i_mode),
-                        S_ISLNK(inode->i_mode), inode->i_mode, inode->i_size);
-
-        inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME_SEC;
-
-        /*
-         * i_mapping is a pointer to i_data during inode initialization.
-         */
-        inode->i_data.a_ops = &pohmelfs_aops;
-
-        if (S_ISREG(inode->i_mode)) {
-                inode->i_fop = &pohmelfs_file_ops;
-                inode->i_op = &pohmelfs_file_inode_operations;
-        } else if (S_ISDIR(inode->i_mode)) {
-                inode->i_fop = &pohmelfs_dir_fops;
-                inode->i_op = &pohmelfs_dir_inode_ops;
-        } else if (S_ISLNK(inode->i_mode)) {
-                inode->i_op = &pohmelfs_symlink_inode_operations;
-                inode->i_fop = &pohmelfs_file_ops;
-        } else {
-                inode->i_fop = &generic_ro_fops;
-        }
-}
-
-static int pohmelfs_drop_inode(struct inode *inode)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        struct pohmelfs_inode *pi = POHMELFS_I(inode);
-
-        spin_lock(&psb->ino_lock);
-        list_del_init(&pi->inode_entry);
-        spin_unlock(&psb->ino_lock);
-
-        return generic_drop_inode(inode);
-}
-
-static struct pohmelfs_inode *pohmelfs_get_inode_from_list(struct pohmelfs_sb *psb,
-                struct list_head *head, unsigned int *count)
-{
-        struct pohmelfs_inode *pi = NULL;
-
-        spin_lock(&psb->ino_lock);
-        if (!list_empty(head)) {
-                pi = list_entry(head->next, struct pohmelfs_inode,
-                                        inode_entry);
-                list_del_init(&pi->inode_entry);
-                *count = pi->drop_count;
-                pi->drop_count = 0;
-        }
-        spin_unlock(&psb->ino_lock);
-
-        return pi;
-}
-
-static void pohmelfs_flush_transactions(struct pohmelfs_sb *psb)
-{
-        struct pohmelfs_config *c;
-
-        mutex_lock(&psb->state_lock);
-        list_for_each_entry(c, &psb->state_list, config_entry) {
-                pohmelfs_state_flush_transactions(&c->state);
-        }
-        mutex_unlock(&psb->state_lock);
-}
-
-/*
- * ->put_super() callback. Invoked before superblock is destroyed,
- *  so it has to clean all private data.
- */
-static void pohmelfs_put_super(struct super_block *sb)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-        struct pohmelfs_inode *pi;
-        unsigned int count = 0;
-        unsigned int in_drop_list = 0;
-        struct inode *inode, *tmp;
-
-        dprintk("%s.\n", __func__);
-
-        /*
-         * Kill pending transactions, which could affect inodes in-flight.
-         */
-        pohmelfs_flush_transactions(psb);
-
-        while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count))) {
-                inode = &pi->vfs_inode;
-
-                dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n",
-                                __func__, pi->ino, pi, inode, count);
-
-                if (atomic_read(&inode->i_count) != count) {
-                        printk("%s: ino: %llu, pi: %p, inode: %p, count: %u, i_count: %d.\n",
-                                        __func__, pi->ino, pi, inode, count,
-                                        atomic_read(&inode->i_count));
-                        count = atomic_read(&inode->i_count);
-                        in_drop_list++;
-                }
-
-                while (count--)
-                        iput(&pi->vfs_inode);
-        }
-
-        list_for_each_entry_safe(inode, tmp, &sb->s_inodes, i_sb_list) {
-                pi = POHMELFS_I(inode);
-
-                dprintk("%s: ino: %llu, pi: %p, inode: %p, i_count: %u.\n",
-                                __func__, pi->ino, pi, inode, atomic_read(&inode->i_count));
-
-                /*
-                 * These are special inodes, they were created during
-                 * directory reading or lookup, and were not bound to dentry,
-                 * so they live here with reference counter being 1 and prevent
-                 * umount from succeed since it believes that they are busy.
-                 */
-                count = atomic_read(&inode->i_count);
-                if (count) {
-                        list_del_init(&inode->i_sb_list);
-                        while (count--)
-                                iput(&pi->vfs_inode);
-                }
-        }
-
-        psb->trans_scan_timeout = psb->drop_scan_timeout = 0;
-        cancel_delayed_work_sync(&psb->dwork);
-        cancel_delayed_work_sync(&psb->drop_dwork);
-        flush_scheduled_work();
-
-        dprintk("%s: stopped workqueues.\n", __func__);
-
-        pohmelfs_crypto_exit(psb);
-        pohmelfs_state_exit(psb);
-
-        bdi_destroy(&psb->bdi);
-
-        kfree(psb);
-        sb->s_fs_info = NULL;
-}
-
-static int pohmelfs_statfs(struct dentry *dentry, struct kstatfs *buf)
-{
-        struct super_block *sb = dentry->d_sb;
-        struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-
-        /*
-         * There are no filesystem size limits yet.
-         */
-        memset(buf, 0, sizeof(struct kstatfs));
-
-        buf->f_type = POHMELFS_MAGIC_NUM; /* 'POH.' */
-        buf->f_bsize = sb->s_blocksize;
-        buf->f_files = psb->ino;
-        buf->f_namelen = 255;
-        buf->f_files = atomic_long_read(&psb->total_inodes);
-        buf->f_bfree = buf->f_bavail = psb->avail_size >> PAGE_SHIFT;
-        buf->f_blocks = psb->total_size >> PAGE_SHIFT;
-
-        dprintk("%s: total: %llu, avail: %llu, inodes: %llu, bsize: %lu.\n",
-                __func__, psb->total_size, psb->avail_size, buf->f_files, sb->s_blocksize);
-
-        return 0;
-}
-
-static int pohmelfs_show_options(struct seq_file *seq, struct dentry *root)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
-
-        seq_printf(seq, ",idx=%u", psb->idx);
-        seq_printf(seq, ",trans_scan_timeout=%u", jiffies_to_msecs(psb->trans_scan_timeout));
-        seq_printf(seq, ",drop_scan_timeout=%u", jiffies_to_msecs(psb->drop_scan_timeout));
-        seq_printf(seq, ",wait_on_page_timeout=%u", jiffies_to_msecs(psb->wait_on_page_timeout));
-        seq_printf(seq, ",trans_retries=%u", psb->trans_retries);
-        seq_printf(seq, ",crypto_thread_num=%u", psb->crypto_thread_num);
-        seq_printf(seq, ",trans_max_pages=%u", psb->trans_max_pages);
-        seq_printf(seq, ",mcache_timeout=%u", jiffies_to_msecs(psb->mcache_timeout));
-        if (psb->crypto_fail_unsupported)
-                seq_printf(seq, ",crypto_fail_unsupported");
-
-        return 0;
-}
-
-enum {
-        pohmelfs_opt_idx,
-        pohmelfs_opt_crypto_thread_num,
-        pohmelfs_opt_trans_max_pages,
-        pohmelfs_opt_crypto_fail_unsupported,
-
-        /* Remountable options */
-        pohmelfs_opt_trans_scan_timeout,
-        pohmelfs_opt_drop_scan_timeout,
-        pohmelfs_opt_wait_on_page_timeout,
-        pohmelfs_opt_trans_retries,
-        pohmelfs_opt_mcache_timeout,
-};
-
-static struct match_token pohmelfs_tokens[] = {
-        {pohmelfs_opt_idx, "idx=%u"},
-        {pohmelfs_opt_crypto_thread_num, "crypto_thread_num=%u"},
-        {pohmelfs_opt_trans_max_pages, "trans_max_pages=%u"},
-        {pohmelfs_opt_crypto_fail_unsupported, "crypto_fail_unsupported"},
-        {pohmelfs_opt_trans_scan_timeout, "trans_scan_timeout=%u"},
-        {pohmelfs_opt_drop_scan_timeout, "drop_scan_timeout=%u"},
-        {pohmelfs_opt_wait_on_page_timeout, "wait_on_page_timeout=%u"},
-        {pohmelfs_opt_trans_retries, "trans_retries=%u"},
-        {pohmelfs_opt_mcache_timeout, "mcache_timeout=%u"},
-};
-
-static int pohmelfs_parse_options(char *options, struct pohmelfs_sb *psb, int remount)
-{
-        char *p;
-        substring_t args[MAX_OPT_ARGS];
-        int option, err;
-
-        if (!options)
-                return 0;
-
-        while ((p = strsep(&options, ",")) != NULL) {
-                int token;
-                if (!*p)
-                        continue;
-
-                token = match_token(p, pohmelfs_tokens, args);
-
-                err = match_int(&args[0], &option);
-                if (err)
-                        return err;
-
-                if (remount && token <= pohmelfs_opt_crypto_fail_unsupported)
-                        continue;
-
-                switch (token) {
-                case pohmelfs_opt_idx:
-                        psb->idx = option;
-                        break;
-                case pohmelfs_opt_trans_scan_timeout:
-                        psb->trans_scan_timeout = msecs_to_jiffies(option);
-                        break;
-                case pohmelfs_opt_drop_scan_timeout:
-                        psb->drop_scan_timeout = msecs_to_jiffies(option);
-                        break;
-                case pohmelfs_opt_wait_on_page_timeout:
-                        psb->wait_on_page_timeout = msecs_to_jiffies(option);
-                        break;
-                case pohmelfs_opt_mcache_timeout:
-                        psb->mcache_timeout = msecs_to_jiffies(option);
-                        break;
-                case pohmelfs_opt_trans_retries:
-                        psb->trans_retries = option;
-                        break;
-                case pohmelfs_opt_crypto_thread_num:
-                        psb->crypto_thread_num = option;
-                        break;
-                case pohmelfs_opt_trans_max_pages:
-                        psb->trans_max_pages = option;
-                        break;
-                case pohmelfs_opt_crypto_fail_unsupported:
-                        psb->crypto_fail_unsupported = 1;
-                        break;
-                default:
-                        return -EINVAL;
-                }
-        }
-
-        return 0;
-}
-
-static int pohmelfs_remount(struct super_block *sb, int *flags, char *data)
-{
-        int err;
-        struct pohmelfs_sb *psb = POHMELFS_SB(sb);
-        unsigned long old_sb_flags = sb->s_flags;
-
-        err = pohmelfs_parse_options(data, psb, 1);
-        if (err)
-                goto err_out_restore;
-
-        if (!(*flags & MS_RDONLY))
-                sb->s_flags &= ~MS_RDONLY;
-        return 0;
-
-err_out_restore:
-        sb->s_flags = old_sb_flags;
-        return err;
-}
-
-static void pohmelfs_flush_inode(struct pohmelfs_inode *pi, unsigned int count)
-{
-        struct inode *inode = &pi->vfs_inode;
-
-        dprintk("%s: %p: ino: %llu, owned: %d.\n",
-                __func__, inode, pi->ino, test_bit(NETFS_INODE_OWNED, &pi->state));
-
-        mutex_lock(&inode->i_mutex);
-        if (test_and_clear_bit(NETFS_INODE_OWNED, &pi->state)) {
-                filemap_fdatawrite(inode->i_mapping);
-                inode->i_sb->s_op->write_inode(inode, 0);
-        }
-
-#ifdef POHMELFS_TRUNCATE_ON_INODE_FLUSH
-        truncate_inode_pages(inode->i_mapping, 0);
-#endif
-
-        pohmelfs_data_unlock(pi, 0, ~0, POHMELFS_WRITE_LOCK);
-        mutex_unlock(&inode->i_mutex);
-}
-
-static void pohmelfs_put_inode_count(struct pohmelfs_inode *pi, unsigned int count)
-{
-        dprintk("%s: ino: %llu, pi: %p, inode: %p, count: %u.\n",
-                        __func__, pi->ino, pi, &pi->vfs_inode, count);
-
-        if (test_and_clear_bit(NETFS_INODE_NEED_FLUSH, &pi->state))
-                pohmelfs_flush_inode(pi, count);
-
-        while (count--)
-                iput(&pi->vfs_inode);
-}
-
-static void pohmelfs_drop_scan(struct work_struct *work)
-{
-        struct pohmelfs_sb *psb =
-                container_of(work, struct pohmelfs_sb, drop_dwork.work);
-        struct pohmelfs_inode *pi;
-        unsigned int count = 0;
-
-        while ((pi = pohmelfs_get_inode_from_list(psb, &psb->drop_list, &count)))
-                pohmelfs_put_inode_count(pi, count);
-
-        pohmelfs_check_states(psb);
-
-        if (psb->drop_scan_timeout)
-                schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout);
-}
-
-/*
- * Run through all transactions starting from the oldest,
- * drop transaction from current state and try to send it
- * to all remote nodes, which are currently installed.
- */
-static void pohmelfs_trans_scan_state(struct netfs_state *st)
-{
-        struct rb_node *rb_node;
-        struct netfs_trans_dst *dst;
-        struct pohmelfs_sb *psb = st->psb;
-        unsigned int timeout = psb->trans_scan_timeout;
-        struct netfs_trans *t;
-        int err;
-
-        mutex_lock(&st->trans_lock);
-        for (rb_node = rb_first(&st->trans_root); rb_node; ) {
-                dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry);
-                t = dst->trans;
-
-                if (timeout && time_after(dst->send_time + timeout, jiffies)
-                                && dst->retries == 0)
-                        break;
-
-                dprintk("%s: t: %p, gen: %u, st: %p, retries: %u, max: %u.\n",
-                        __func__, t, t->gen, st, dst->retries, psb->trans_retries);
-                netfs_trans_get(t);
-
-                rb_node = rb_next(rb_node);
-
-                err = -ETIMEDOUT;
-                if (timeout && (++dst->retries < psb->trans_retries))
-                        err = netfs_trans_resend(t, psb);
-
-                if (err || (t->flags & NETFS_TRANS_SINGLE_DST)) {
-                        if (netfs_trans_remove_nolock(dst, st))
-                                netfs_trans_drop_dst_nostate(dst);
-                }
-
-                t->result = err;
-                netfs_trans_put(t);
-        }
-        mutex_unlock(&st->trans_lock);
-}
-
-/*
- * Walk through all installed network states and resend all
- * transactions, which are old enough.
- */
-static void pohmelfs_trans_scan(struct work_struct *work)
-{
-        struct pohmelfs_sb *psb =
-                container_of(work, struct pohmelfs_sb, dwork.work);
-        struct netfs_state *st;
-        struct pohmelfs_config *c;
-
-        mutex_lock(&psb->state_lock);
-        list_for_each_entry(c, &psb->state_list, config_entry) {
-                st = &c->state;
-
-                pohmelfs_trans_scan_state(st);
-        }
-        mutex_unlock(&psb->state_lock);
-
-        /*
-         * If no timeout specified then system is in the middle of umount process,
-         * so no need to reschedule scanning process again.
-         */
-        if (psb->trans_scan_timeout)
-                schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout);
-}
-
-int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon,
-                unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start)
-{
-        struct inode *inode = &pi->vfs_inode;
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        int err = 0, sz;
-        struct netfs_trans *t;
-        int path_len, addon_len = 0;
-        void *data;
-        struct netfs_inode_info *info;
-        struct netfs_cmd *cmd;
-
-        dprintk("%s: ino: %llu, cmd: %u, addon: %p.\n", __func__, pi->ino, cmd_op, addon);
-
-        path_len = pohmelfs_path_length(pi);
-        if (path_len < 0) {
-                err = path_len;
-                goto err_out_exit;
-        }
-
-        if (addon)
-                addon_len = strlen(addon) + 1; /* 0-byte */
-        sz = addon_len;
-
-        if (cmd_op == NETFS_INODE_INFO)
-                sz += sizeof(struct netfs_inode_info);
-
-        t = netfs_trans_alloc(psb, sz + path_len, flags, 0);
-        if (!t) {
-                err = -ENOMEM;
-                goto err_out_exit;
-        }
-        t->complete = complete;
-        t->private = priv;
-
-        cmd = netfs_trans_current(t);
-        data = (void *)(cmd + 1);
-
-        if (cmd_op == NETFS_INODE_INFO) {
-                info = (struct netfs_inode_info *)(cmd + 1);
-                data = (void *)(info + 1);
-
-                /*
-                 * We are under i_mutex, can read and change whatever we want...
-                 */
-                info->mode = inode->i_mode;
-                info->nlink = inode->i_nlink;
-                info->uid = inode->i_uid;
-                info->gid = inode->i_gid;
-                info->blocks = inode->i_blocks;
-                info->rdev = inode->i_rdev;
-                info->size = inode->i_size;
-                info->version = inode->i_version;
-
-                netfs_convert_inode_info(info);
-        }
-
-        path_len = pohmelfs_construct_path_string(pi, data, path_len);
-        if (path_len < 0)
-                goto err_out_free;
-
-        dprintk("%s: path_len: %d.\n", __func__, path_len);
-
-        if (addon) {
-                path_len--; /* Do not place null-byte before the addon */
-                path_len += sprintf(data + path_len, "/%s", addon) + 1; /* 0 - byte */
-        }
-
-        sz += path_len;
-
-        cmd->cmd = cmd_op;
-        cmd->ext = path_len;
-        cmd->size = sz;
-        cmd->id = id;
-        cmd->start = start;
-
-        netfs_convert_cmd(cmd);
-        netfs_trans_update(cmd, t, sz);
-
-        /*
-         * Note, that it is possible to leak error here: transaction callback will not
-         * be invoked for allocation path failure.
-         */
-        return netfs_trans_finish(t, psb);
-
-err_out_free:
-        netfs_trans_free(t);
-err_out_exit:
-        if (complete)
-                complete(NULL, 0, priv, err);
-        return err;
-}
-
-int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags,
-                netfs_trans_complete_t complete, void *priv, u64 start)
-{
-        return pohmelfs_meta_command_data(pi, pi->ino, cmd_op, NULL, flags, complete, priv, start);
-}
-
-/*
- * Send request and wait for POHMELFS root capabilities response,
- * which will update server's informaion about size of the export,
- * permissions, number of objects, available size and so on.
- */
-static int pohmelfs_root_handshake(struct pohmelfs_sb *psb)
-{
-        struct netfs_trans *t;
-        struct netfs_cmd *cmd;
-        int err = -ENOMEM;
-
-        t = netfs_trans_alloc(psb, 0, 0, 0);
-        if (!t)
-                goto err_out_exit;
-
-        cmd = netfs_trans_current(t);
-
-        cmd->cmd = NETFS_CAPABILITIES;
-        cmd->id = POHMELFS_ROOT_CAPABILITIES;
-        cmd->size = 0;
-        cmd->start = 0;
-        cmd->ext = 0;
-        cmd->csize = 0;
-
-        netfs_convert_cmd(cmd);
-        netfs_trans_update(cmd, t, 0);
-
-        err = netfs_trans_finish(t, psb);
-        if (err)
-                goto err_out_exit;
-
-        psb->flags = ~0;
-        err = wait_event_interruptible_timeout(psb->wait,
-                        (psb->flags != ~0),
-                        psb->wait_on_page_timeout);
-        if (!err)
-                err = -ETIMEDOUT;
-        else if (err > 0)
-                err = -psb->flags;
-
-        if (err)
-                goto err_out_exit;
-
-        return 0;
-
-err_out_exit:
-        return err;
-}
-
-static int pohmelfs_show_stats(struct seq_file *m, struct dentry *root)
-{
-        struct netfs_state *st;
-        struct pohmelfs_ctl *ctl;
-        struct pohmelfs_sb *psb = POHMELFS_SB(root->d_sb);
-        struct pohmelfs_config *c;
-
-        mutex_lock(&psb->state_lock);
-
-        seq_printf(m, "\nidx addr(:port) socket_type protocol active priority permissions\n");
-
-        list_for_each_entry(c, &psb->state_list, config_entry) {
-                st = &c->state;
-                ctl = &st->ctl;
-
-                seq_printf(m, "%u ", ctl->idx);
-                if (ctl->addr.sa_family == AF_INET) {
-                        struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr;
-                        seq_printf(m, "%pI4:%u", &sin->sin_addr.s_addr, ntohs(sin->sin_port));
-                } else if (ctl->addr.sa_family == AF_INET6) {
-                        struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr;
-                        seq_printf(m, "%pi6:%u", &sin->sin6_addr, ntohs(sin->sin6_port));
-                } else {
-                        unsigned int i;
-                        for (i = 0; i < ctl->addrlen; ++i)
-                                seq_printf(m, "%02x.", ctl->addr.addr[i]);
-                }
-
-                seq_printf(m, " %u %u %d %u %x\n",
-                                ctl->type, ctl->proto,
-                                st->socket != NULL,
-                                ctl->prio, ctl->perm);
-        }
-        mutex_unlock(&psb->state_lock);
-
-        return 0;
-}
-
-static const struct super_operations pohmelfs_sb_ops = {
-        .alloc_inode    = pohmelfs_alloc_inode,
-        .destroy_inode  = pohmelfs_destroy_inode,
-        .drop_inode     = pohmelfs_drop_inode,
-        .write_inode    = pohmelfs_write_inode,
-        .put_super      = pohmelfs_put_super,
-        .remount_fs     = pohmelfs_remount,
-        .statfs         = pohmelfs_statfs,
-        .show_options   = pohmelfs_show_options,
-        .show_stats     = pohmelfs_show_stats,
-};
-
-/*
- * Allocate private superblock and create root dir.
- */
-static int pohmelfs_fill_super(struct super_block *sb, void *data, int silent)
-{
-        struct pohmelfs_sb *psb;
-        int err = -ENOMEM;
-        struct inode *root;
-        struct pohmelfs_inode *npi;
-        struct qstr str;
-
-        psb = kzalloc(sizeof(struct pohmelfs_sb), GFP_KERNEL);
-        if (!psb)
-                goto err_out_exit;
-
-        err = bdi_init(&psb->bdi);
-        if (err)
-                goto err_out_free_sb;
-
-        err = bdi_register(&psb->bdi, NULL, "pfs-%d", atomic_inc_return(&psb_bdi_num));
-        if (err) {
-                bdi_destroy(&psb->bdi);
-                goto err_out_free_sb;
-        }
-
-        sb->s_fs_info = psb;
-        sb->s_op = &pohmelfs_sb_ops;
-        sb->s_magic = POHMELFS_MAGIC_NUM;
-        sb->s_maxbytes = MAX_LFS_FILESIZE;
-        sb->s_blocksize = PAGE_SIZE;
-        sb->s_bdi = &psb->bdi;
-
-        psb->sb = sb;
-
-        psb->ino = 2;
-        psb->idx = 0;
-        psb->active_state = NULL;
-        psb->trans_retries = 5;
-        psb->trans_data_size = PAGE_SIZE;
-        psb->drop_scan_timeout = msecs_to_jiffies(1000);
-        psb->trans_scan_timeout = msecs_to_jiffies(5000);
-        psb->wait_on_page_timeout = msecs_to_jiffies(5000);
-        init_waitqueue_head(&psb->wait);
-
-        spin_lock_init(&psb->ino_lock);
-
-        INIT_LIST_HEAD(&psb->drop_list);
-
-        mutex_init(&psb->mcache_lock);
-        psb->mcache_root = RB_ROOT;
-        psb->mcache_timeout = msecs_to_jiffies(5000);
-        atomic_long_set(&psb->mcache_gen, 0);
-
-        psb->trans_max_pages = 100;
-
-        psb->crypto_align_size = 16;
-        psb->crypto_attached_size = 0;
-        psb->hash_strlen = 0;
-        psb->cipher_strlen = 0;
-        psb->perform_crypto = 0;
-        psb->crypto_thread_num = 2;
-        psb->crypto_fail_unsupported = 0;
-        mutex_init(&psb->crypto_thread_lock);
-        INIT_LIST_HEAD(&psb->crypto_ready_list);
-        INIT_LIST_HEAD(&psb->crypto_active_list);
-
-        atomic_set(&psb->trans_gen, 1);
-        atomic_long_set(&psb->total_inodes, 0);
-
-        mutex_init(&psb->state_lock);
-        INIT_LIST_HEAD(&psb->state_list);
-
-        err = pohmelfs_parse_options((char *) data, psb, 0);
-        if (err)
-                goto err_out_free_bdi;
-
-        err = pohmelfs_copy_crypto(psb);
-        if (err)
-                goto err_out_free_bdi;
-
-        err = pohmelfs_state_init(psb);
-        if (err)
-                goto err_out_free_strings;
-
-        err = pohmelfs_crypto_init(psb);
-        if (err)
-                goto err_out_state_exit;
-
-        err = pohmelfs_root_handshake(psb);
-        if (err)
-                goto err_out_crypto_exit;
-
-        str.name = "/";
-        str.hash = jhash("/", 1, 0);
-        str.len = 1;
-
-        npi = pohmelfs_create_entry_local(psb, NULL, &str, 0, 0755|S_IFDIR);
-        if (IS_ERR(npi)) {
-                err = PTR_ERR(npi);
-                goto err_out_crypto_exit;
-        }
-        set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-        clear_bit(NETFS_INODE_OWNED, &npi->state);
-
-        root = &npi->vfs_inode;
-
-        sb->s_root = d_alloc_root(root);
-        if (!sb->s_root)
-                goto err_out_put_root;
-
-        INIT_DELAYED_WORK(&psb->drop_dwork, pohmelfs_drop_scan);
-        schedule_delayed_work(&psb->drop_dwork, psb->drop_scan_timeout);
-
-        INIT_DELAYED_WORK(&psb->dwork, pohmelfs_trans_scan);
-        schedule_delayed_work(&psb->dwork, psb->trans_scan_timeout);
-
-        return 0;
-
-err_out_put_root:
-        iput(root);
-err_out_crypto_exit:
-        pohmelfs_crypto_exit(psb);
-err_out_state_exit:
-        pohmelfs_state_exit(psb);
-err_out_free_strings:
-        kfree(psb->cipher_string);
-        kfree(psb->hash_string);
-err_out_free_bdi:
-        bdi_destroy(&psb->bdi);
-err_out_free_sb:
-        kfree(psb);
-err_out_exit:
-
-        dprintk("%s: err: %d.\n", __func__, err);
-        return err;
-}
-
-/*
- * Some VFS magic here...
- */
-static struct dentry *pohmelfs_mount(struct file_system_type *fs_type,
-        int flags, const char *dev_name, void *data)
-{
-        return mount_nodev(fs_type, flags, data, pohmelfs_fill_super);
-}
-
-/*
- * We need this to sync all inodes earlier, since when writeback
- * is invoked from the umount/mntput path dcache is already shrunk,
- * see generic_shutdown_super(), and no inodes can access the path.
- */
-static void pohmelfs_kill_super(struct super_block *sb)
-{
-        sync_inodes_sb(sb);
-        kill_anon_super(sb);
-}
-
-static struct file_system_type pohmel_fs_type = {
-        .owner          = THIS_MODULE,
-        .name           = "pohmel",
-        .mount          = pohmelfs_mount,
-        .kill_sb        = pohmelfs_kill_super,
-};
-
-/*
- * Cache and module initializations and freeing routings.
- */
-static void pohmelfs_init_once(void *data)
-{
-        struct pohmelfs_inode *pi = data;
-
-        inode_init_once(&pi->vfs_inode);
-}
-
-static int __init pohmelfs_init_inodecache(void)
-{
-        pohmelfs_inode_cache = kmem_cache_create("pohmelfs_inode_cache",
-                                sizeof(struct pohmelfs_inode),
-                                0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD),
-                                pohmelfs_init_once);
-        if (!pohmelfs_inode_cache)
-                return -ENOMEM;
-
-        return 0;
-}
-
-static void pohmelfs_destroy_inodecache(void)
-{
-        kmem_cache_destroy(pohmelfs_inode_cache);
-}
-
-static int __init init_pohmel_fs(void)
-{
-        int err;
-
-        err = pohmelfs_config_init();
-        if (err)
-                goto err_out_exit;
-
-        err = pohmelfs_init_inodecache();
-        if (err)
-                goto err_out_config_exit;
-
-        err = pohmelfs_mcache_init();
-        if (err)
-                goto err_out_destroy;
-
-        err = netfs_trans_init();
-        if (err)
-                goto err_out_mcache_exit;
-
-        err = register_filesystem(&pohmel_fs_type);
-        if (err)
-                goto err_out_trans;
-
-        return 0;
-
-err_out_trans:
-        netfs_trans_exit();
-err_out_mcache_exit:
-        pohmelfs_mcache_exit();
-err_out_destroy:
-        pohmelfs_destroy_inodecache();
-err_out_config_exit:
-        pohmelfs_config_exit();
-err_out_exit:
-        return err;
-}
-
-static void __exit exit_pohmel_fs(void)
-{
-        unregister_filesystem(&pohmel_fs_type);
-        pohmelfs_destroy_inodecache();
-        pohmelfs_mcache_exit();
-        pohmelfs_config_exit();
-        netfs_trans_exit();
-}
-
-module_init(init_pohmel_fs);
-module_exit(exit_pohmel_fs);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
-MODULE_DESCRIPTION("Pohmel filesystem");
diff --git a/drivers/staging/pohmelfs/lock.c b/drivers/staging/pohmelfs/lock.c
deleted file mode 100644
index 6710114cd425..000000000000
--- a/drivers/staging/pohmelfs/lock.c
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/backing-dev.h>
-#include <linux/fs.h>
-#include <linux/fsnotify.h>
-#include <linux/mempool.h>
-
-#include "netfs.h"
-
-static int pohmelfs_send_lock_trans(struct pohmelfs_inode *pi,
-                u64 id, u64 start, u32 size, int type)
-{
-        struct inode *inode = &pi->vfs_inode;
-        struct pohmelfs_sb *psb = POHMELFS_SB(inode->i_sb);
-        struct netfs_trans *t;
-        struct netfs_cmd *cmd;
-        int path_len, err;
-        void *data;
-        struct netfs_lock *l;
-        int isize = (type & POHMELFS_LOCK_GRAB) ? 0 : sizeof(struct netfs_inode_info);
-
-        err = pohmelfs_path_length(pi);
-        if (err < 0)
-                goto err_out_exit;
-
-        path_len = err;
-
-        err = -ENOMEM;
-        t = netfs_trans_alloc(psb, path_len + sizeof(struct netfs_lock) + isize,
-                        NETFS_TRANS_SINGLE_DST, 0);
-        if (!t)
-                goto err_out_exit;
-
-        cmd = netfs_trans_current(t);
-        data = cmd + 1;
-
-        err = pohmelfs_construct_path_string(pi, data, path_len);
-        if (err < 0)
-                goto err_out_free;
-        path_len = err;
-
-        l = data + path_len;
-
-        l->start = start;
-        l->size = size;
-        l->type = type;
-        l->ino = pi->ino;
-
-        cmd->cmd = NETFS_LOCK;
-        cmd->start = 0;
-        cmd->id = id;
-        cmd->size = sizeof(struct netfs_lock) + path_len + isize;
-        cmd->ext = path_len;
-        cmd->csize = 0;
-
-        netfs_convert_cmd(cmd);
-        netfs_convert_lock(l);
-
-        if (isize) {
-                struct netfs_inode_info *info = (struct netfs_inode_info *)(l + 1);
-
-                info->mode = inode->i_mode;
-                info->nlink = inode->i_nlink;
-                info->uid = inode->i_uid;
-                info->gid = inode->i_gid;
-                info->blocks = inode->i_blocks;
-                info->rdev = inode->i_rdev;
-                info->size = inode->i_size;
-                info->version = inode->i_version;
-
-                netfs_convert_inode_info(info);
-        }
-
-        netfs_trans_update(cmd, t, path_len + sizeof(struct netfs_lock) + isize);
-
-        return netfs_trans_finish(t, psb);
-
-err_out_free:
-        netfs_trans_free(t);
-err_out_exit:
-        printk("%s: err: %d.\n", __func__, err);
-        return err;
-}
-
-int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-        struct pohmelfs_mcache *m;
-        int err = -ENOMEM;
-        struct iattr iattr;
-        struct inode *inode = &pi->vfs_inode;
-
-        dprintk("%s: %p: ino: %llu, start: %llu, size: %u, "
-                        "type: %d, locked as: %d, owned: %d.\n",
-                        __func__, &pi->vfs_inode, pi->ino,
-                        start, size, type, pi->lock_type,
-                        !!test_bit(NETFS_INODE_OWNED, &pi->state));
-
-        if (!pohmelfs_need_lock(pi, type))
-                return 0;
-
-        m = pohmelfs_mcache_alloc(psb, start, size, NULL);
-        if (IS_ERR(m))
-                return PTR_ERR(m);
-
-        err = pohmelfs_send_lock_trans(pi, m->gen, start, size,
-                        type | POHMELFS_LOCK_GRAB);
-        if (err)
-                goto err_out_put;
-
-        err = wait_for_completion_timeout(&m->complete, psb->mcache_timeout);
-        if (err)
-                err = m->err;
-        else
-                err = -ETIMEDOUT;
-
-        if (err) {
-                printk("%s: %p: ino: %llu, mgen: %llu, start: %llu, size: %u, err: %d.\n",
-                        __func__, &pi->vfs_inode, pi->ino, m->gen, start, size, err);
-        }
-
-        if (err && (err != -ENOENT))
-                goto err_out_put;
-
-        if (!err) {
-                netfs_convert_inode_info(&m->info);
-
-                iattr.ia_valid = ATTR_MODE | ATTR_UID | ATTR_GID | ATTR_SIZE | ATTR_ATIME;
-                iattr.ia_mode = m->info.mode;
-                iattr.ia_uid = m->info.uid;
-                iattr.ia_gid = m->info.gid;
-                iattr.ia_size = m->info.size;
-                iattr.ia_atime = CURRENT_TIME;
-
-                dprintk("%s: %p: ino: %llu, mgen: %llu, start: %llu, isize: %llu -> %llu.\n",
-                        __func__, &pi->vfs_inode, pi->ino, m->gen, start, inode->i_size, m->info.size);
-
-                err = pohmelfs_setattr_raw(inode, &iattr);
-                if (!err) {
-                        struct dentry *dentry = d_find_alias(inode);
-                        if (dentry) {
-                                fsnotify_change(dentry, iattr.ia_valid);
-                                dput(dentry);
-                        }
-                }
-        }
-
-        pi->lock_type = type;
-        set_bit(NETFS_INODE_OWNED, &pi->state);
-
-        pohmelfs_mcache_put(psb, m);
-
-        return 0;
-
-err_out_put:
-        pohmelfs_mcache_put(psb, m);
-        return err;
-}
-
-int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type)
-{
-        dprintk("%s: %p: ino: %llu, start: %llu, size: %u, type: %d.\n",
-                        __func__, &pi->vfs_inode, pi->ino, start, size, type);
-        pi->lock_type = 0;
-        clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &pi->state);
-        clear_bit(NETFS_INODE_OWNED, &pi->state);
-        return pohmelfs_send_lock_trans(pi, pi->ino, start, size, type);
-}
diff --git a/drivers/staging/pohmelfs/mcache.c b/drivers/staging/pohmelfs/mcache.c
deleted file mode 100644
index e22665cdd16c..000000000000
--- a/drivers/staging/pohmelfs/mcache.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/slab.h>
-#include <linux/mempool.h>
-
-#include "netfs.h"
-
-static struct kmem_cache *pohmelfs_mcache_cache;
-static mempool_t *pohmelfs_mcache_pool;
-
-static inline int pohmelfs_mcache_cmp(u64 gen, u64 new)
-{
-        if (gen < new)
-                return 1;
-        if (gen > new)
-                return -1;
-        return 0;
-}
-
-struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen)
-{
-        struct rb_root *root = &psb->mcache_root;
-        struct rb_node *n = root->rb_node;
-        struct pohmelfs_mcache *tmp, *ret = NULL;
-        int cmp;
-
-        while (n) {
-                tmp = rb_entry(n, struct pohmelfs_mcache, mcache_entry);
-
-                cmp = pohmelfs_mcache_cmp(tmp->gen, gen);
-                if (cmp < 0)
-                        n = n->rb_left;
-                else if (cmp > 0)
-                        n = n->rb_right;
-                else {
-                        ret = tmp;
-                        pohmelfs_mcache_get(ret);
-                        break;
-                }
-        }
-
-        return ret;
-}
-
-static int pohmelfs_mcache_insert(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-        struct rb_root *root = &psb->mcache_root;
-        struct rb_node **n = &root->rb_node, *parent = NULL;
-        struct pohmelfs_mcache *ret = NULL, *tmp;
-        int cmp;
-
-        while (*n) {
-                parent = *n;
-
-                tmp = rb_entry(parent, struct pohmelfs_mcache, mcache_entry);
-
-                cmp = pohmelfs_mcache_cmp(tmp->gen, m->gen);
-                if (cmp < 0)
-                        n = &parent->rb_left;
-                else if (cmp > 0)
-                        n = &parent->rb_right;
-                else {
-                        ret = tmp;
-                        break;
-                }
-        }
-
-        if (ret)
-                return -EEXIST;
-
-        rb_link_node(&m->mcache_entry, parent, n);
-        rb_insert_color(&m->mcache_entry, root);
-
-        return 0;
-}
-
-static int pohmelfs_mcache_remove(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-        if (m && m->mcache_entry.rb_parent_color) {
-                rb_erase(&m->mcache_entry, &psb->mcache_root);
-                m->mcache_entry.rb_parent_color = 0;
-                return 1;
-        }
-        return 0;
-}
-
-void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-        mutex_lock(&psb->mcache_lock);
-        pohmelfs_mcache_remove(psb, m);
-        mutex_unlock(&psb->mcache_lock);
-}
-
-struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start,
-                unsigned int size, void *data)
-{
-        struct pohmelfs_mcache *m;
-        int err = -ENOMEM;
-
-        m = mempool_alloc(pohmelfs_mcache_pool, GFP_KERNEL);
-        if (!m)
-                goto err_out_exit;
-
-        init_completion(&m->complete);
-        m->err = 0;
-        atomic_set(&m->refcnt, 1);
-        m->data = data;
-        m->start = start;
-        m->size = size;
-        m->gen = atomic_long_inc_return(&psb->mcache_gen);
-
-        mutex_lock(&psb->mcache_lock);
-        err = pohmelfs_mcache_insert(psb, m);
-        mutex_unlock(&psb->mcache_lock);
-        if (err)
-                goto err_out_free;
-
-        return m;
-
-err_out_free:
-        mempool_free(m, pohmelfs_mcache_pool);
-err_out_exit:
-        return ERR_PTR(err);
-}
-
-void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m)
-{
-        pohmelfs_mcache_remove_locked(psb, m);
-
-        mempool_free(m, pohmelfs_mcache_pool);
-}
-
-int __init pohmelfs_mcache_init(void)
-{
-        pohmelfs_mcache_cache = kmem_cache_create("pohmelfs_mcache_cache",
-                                sizeof(struct pohmelfs_mcache),
-                                0, (SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD), NULL);
-        if (!pohmelfs_mcache_cache)
-                goto err_out_exit;
-
-        pohmelfs_mcache_pool = mempool_create_slab_pool(256, pohmelfs_mcache_cache);
-        if (!pohmelfs_mcache_pool)
-                goto err_out_free;
-
-        return 0;
-
-err_out_free:
-        kmem_cache_destroy(pohmelfs_mcache_cache);
-err_out_exit:
-        return -ENOMEM;
-}
-
-void pohmelfs_mcache_exit(void)
-{
-        mempool_destroy(pohmelfs_mcache_pool);
-        kmem_cache_destroy(pohmelfs_mcache_cache);
-}
diff --git a/drivers/staging/pohmelfs/net.c b/drivers/staging/pohmelfs/net.c
deleted file mode 100644
index b2e918622088..000000000000
--- a/drivers/staging/pohmelfs/net.c
+++ /dev/null
@@ -1,1209 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/fsnotify.h>
-#include <linux/jhash.h>
-#include <linux/in.h>
-#include <linux/in6.h>
-#include <linux/kthread.h>
-#include <linux/pagemap.h>
-#include <linux/poll.h>
-#include <linux/slab.h>
-#include <linux/swap.h>
-#include <linux/syscalls.h>
-#include <linux/vmalloc.h>
-
-#include "netfs.h"
-
-/*
- * Async machinery lives here.
- * All commands being sent to server do _not_ require sync reply,
- * instead, if it is really needed, like readdir or readpage, caller
- * sleeps waiting for data, which will be placed into provided buffer
- * and caller will be awakened.
- *
- * Every command response can come without some listener. For example
- * readdir response will add new objects into cache without appropriate
- * request from userspace. This is used in cache coherency.
- *
- * If object is not found for given data, it is discarded.
- *
- * All requests are received by dedicated kernel thread.
- */
-
-/*
- * Basic network sending/receiving functions.
- * Blocked mode is used.
- */
-static int netfs_data_recv(struct netfs_state *st, void *buf, u64 size)
-{
-        struct msghdr msg;
-        struct kvec iov;
-        int err;
-
-        BUG_ON(!size);
-
-        iov.iov_base = buf;
-        iov.iov_len = size;
-
-        msg.msg_iov = (struct iovec *)&iov;
-        msg.msg_iovlen = 1;
-        msg.msg_name = NULL;
-        msg.msg_namelen = 0;
-        msg.msg_control = NULL;
-        msg.msg_controllen = 0;
-        msg.msg_flags = MSG_DONTWAIT;
-
-        err = kernel_recvmsg(st->socket, &msg, &iov, 1, iov.iov_len,
-                        msg.msg_flags);
-        if (err <= 0) {
-                printk("%s: failed to recv data: size: %llu, err: %d.\n", __func__, size, err);
-                if (err == 0)
-                        err = -ECONNRESET;
-        }
-
-        return err;
-}
-
-static int pohmelfs_data_recv(struct netfs_state *st, void *data, unsigned int size)
-{
-        unsigned int revents = 0;
-        unsigned int err_mask = POLLERR | POLLHUP | POLLRDHUP;
-        unsigned int mask = err_mask | POLLIN;
-        int err = 0;
-
-        while (size && !err) {
-                revents = netfs_state_poll(st);
-
-                if (!(revents & mask)) {
-                        DEFINE_WAIT(wait);
-
-                        for (;;) {
-                                prepare_to_wait(&st->thread_wait, &wait, TASK_INTERRUPTIBLE);
-                                if (kthread_should_stop())
-                                        break;
-
-                                revents = netfs_state_poll(st);
-
-                                if (revents & mask)
-                                        break;
-
-                                if (signal_pending(current))
-                                        break;
-
-                                schedule();
-                                continue;
-                        }
-                        finish_wait(&st->thread_wait, &wait);
-                }
-
-                err = 0;
-                netfs_state_lock(st);
-                if (st->socket && (st->read_socket == st->socket) && (revents & POLLIN)) {
-                        err = netfs_data_recv(st, data, size);
-                        if (err > 0) {
-                                data += err;
-                                size -= err;
-                                err = 0;
-                        } else if (err == 0)
-                                err = -ECONNRESET;
-                }
-
-                if (revents & err_mask) {
-                        printk("%s: revents: %x, socket: %p, size: %u, err: %d.\n",
-                                        __func__, revents, st->socket, size, err);
-                        err = -ECONNRESET;
-                }
-                netfs_state_unlock(st);
-
-                if (err < 0) {
-                        if (netfs_state_trylock_send(st)) {
-                                netfs_state_exit(st);
-                                err = netfs_state_init(st);
-                                if (!err)
-                                        err = -EAGAIN;
-                                netfs_state_unlock_send(st);
-                        } else {
-                                st->need_reset = 1;
-                        }
-                }
-
-                if (kthread_should_stop())
-                        err = -ENODEV;
-
-                if (err)
-                        printk("%s: socket: %p, read_socket: %p, revents: %x, rev_error: %d, "
-                                        "should_stop: %d, size: %u, err: %d.\n",
-                                __func__, st->socket, st->read_socket,
-                                revents, revents & err_mask, kthread_should_stop(), size, err);
-        }
-
-        return err;
-}
-
-int pohmelfs_data_recv_and_check(struct netfs_state *st, void *data, unsigned int size)
-{
-        struct netfs_cmd *cmd = &st->cmd;
-        int err;
-
-        err = pohmelfs_data_recv(st, data, size);
-        if (err)
-                return err;
-
-        return pohmelfs_crypto_process_input_data(&st->eng, cmd->iv, data, NULL, size);
-}
-
-/*
- * Polling machinery.
- */
-
-struct netfs_poll_helper {
-        poll_table              pt;
-        struct netfs_state      *st;
-};
-
-static int netfs_queue_wake(wait_queue_t *wait, unsigned mode, int sync, void *key)
-{
-        struct netfs_state *st = container_of(wait, struct netfs_state, wait);
-
-        wake_up(&st->thread_wait);
-        return 1;
-}
-
-static void netfs_queue_func(struct file *file, wait_queue_head_t *whead,
-                                 poll_table *pt)
-{
-        struct netfs_state *st = container_of(pt, struct netfs_poll_helper, pt)->st;
-
-        st->whead = whead;
-        init_waitqueue_func_entry(&st->wait, netfs_queue_wake);
-        add_wait_queue(whead, &st->wait);
-}
-
-static void netfs_poll_exit(struct netfs_state *st)
-{
-        if (st->whead) {
-                remove_wait_queue(st->whead, &st->wait);
-                st->whead = NULL;
-        }
-}
-
-static int netfs_poll_init(struct netfs_state *st)
-{
-        struct netfs_poll_helper ph;
-
-        ph.st = st;
-        init_poll_funcptr(&ph.pt, &netfs_queue_func);
-
-        st->socket->ops->poll(NULL, st->socket, &ph.pt);
-        return 0;
-}
-
-/*
- * Get response for readpage command. We search inode and page in its mapping
- * and copy data into. If it was async request, then we queue page into shared
- * data and wakeup listener, who will copy it to userspace.
- *
- * There is a work in progress of allowing to call copy_to_user() directly from
- * async receiving kernel thread.
- */
-static int pohmelfs_read_page_response(struct netfs_state *st)
-{
-        struct pohmelfs_sb *psb = st->psb;
-        struct netfs_cmd *cmd = &st->cmd;
-        struct inode *inode;
-        struct page *page;
-        int err = 0;
-
-        if (cmd->size > PAGE_CACHE_SIZE) {
-                err = -EINVAL;
-                goto err_out_exit;
-        }
-
-        inode = ilookup(st->psb->sb, cmd->id);
-        if (!inode) {
-                printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-                err = -ENOENT;
-                goto err_out_exit;
-        }
-
-        page = find_get_page(inode->i_mapping, cmd->start >> PAGE_CACHE_SHIFT);
-        if (!page || !PageLocked(page)) {
-                printk("%s: failed to find/lock page: page: %p, id: %llu, start: %llu, index: %llu.\n",
-                                __func__, page, cmd->id, cmd->start, cmd->start >> PAGE_CACHE_SHIFT);
-
-                while (cmd->size) {
-                        unsigned int sz = min(cmd->size, st->size);
-
-                        err = pohmelfs_data_recv(st, st->data, sz);
-                        if (err)
-                                break;
-
-                        cmd->size -= sz;
-                }
-
-                err = -ENODEV;
-                if (page)
-                        goto err_out_page_put;
-                goto err_out_put;
-        }
-
-        if (cmd->size) {
-                void *addr;
-
-                addr = kmap(page);
-                err = pohmelfs_data_recv(st, addr, cmd->size);
-                kunmap(page);
-
-                if (err)
-                        goto err_out_page_unlock;
-        }
-
-        dprintk("%s: page: %p, start: %llu, size: %u, locked: %d.\n",
-                __func__, page, cmd->start, cmd->size, PageLocked(page));
-
-        SetPageChecked(page);
-        if ((psb->hash_string || psb->cipher_string) && psb->perform_crypto && cmd->size) {
-                err = pohmelfs_crypto_process_input_page(&st->eng, page, cmd->size, cmd->iv);
-                if (err < 0)
-                        goto err_out_page_unlock;
-        } else {
-                SetPageUptodate(page);
-                unlock_page(page);
-                page_cache_release(page);
-        }
-
-        pohmelfs_put_inode(POHMELFS_I(inode));
-        wake_up(&st->psb->wait);
-
-        return 0;
-
-err_out_page_unlock:
-        SetPageError(page);
-        unlock_page(page);
-err_out_page_put:
-        page_cache_release(page);
-err_out_put:
-        pohmelfs_put_inode(POHMELFS_I(inode));
-err_out_exit:
-        wake_up(&st->psb->wait);
-        return err;
-}
-
-static int pohmelfs_check_name(struct pohmelfs_inode *parent, struct qstr *str,
-                struct netfs_inode_info *info)
-{
-        struct inode *inode;
-        struct pohmelfs_name *n;
-        int err = 0;
-        u64 ino = 0;
-
-        mutex_lock(&parent->offset_lock);
-        n = pohmelfs_search_hash(parent, str->hash);
-        if (n)
-                ino = n->ino;
-        mutex_unlock(&parent->offset_lock);
-
-        if (!ino)
-                goto out;
-
-        inode = ilookup(parent->vfs_inode.i_sb, ino);
-        if (!inode)
-                goto out;
-
-        dprintk("%s: parent: %llu, inode: %llu.\n", __func__, parent->ino, ino);
-
-        pohmelfs_fill_inode(inode, info);
-        pohmelfs_put_inode(POHMELFS_I(inode));
-        err = -EEXIST;
-out:
-        return err;
-}
-
-/*
- * Readdir response from server. If special field is set, we wakeup
- * listener (readdir() call), which will copy data to userspace.
- */
-static int pohmelfs_readdir_response(struct netfs_state *st)
-{
-        struct inode *inode;
-        struct netfs_cmd *cmd = &st->cmd;
-        struct netfs_inode_info *info;
-        struct pohmelfs_inode *parent = NULL, *npi;
-        int err = 0, last = cmd->ext;
-        struct qstr str;
-
-        if (cmd->size > st->size)
-                return -EINVAL;
-
-        inode = ilookup(st->psb->sb, cmd->id);
-        if (!inode) {
-                printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-                return -ENOENT;
-        }
-        parent = POHMELFS_I(inode);
-
-        if (!cmd->size && cmd->start) {
-                err = -cmd->start;
-                goto out;
-        }
-
-        if (cmd->size) {
-                char *name;
-
-                err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-                if (err)
-                        goto err_out_put;
-
-                info = (struct netfs_inode_info *)(st->data);
-
-                name = (char *)(info + 1);
-                str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad;
-                name[str.len] = 0;
-                str.name = name;
-                str.hash = jhash(str.name, str.len, 0);
-
-                netfs_convert_inode_info(info);
-
-                if (parent) {
-                        err = pohmelfs_check_name(parent, &str, info);
-                        if (err) {
-                                if (err == -EEXIST)
-                                        err = 0;
-                                goto out;
-                        }
-                }
-
-                info->ino = cmd->start;
-                if (!info->ino)
-                        info->ino = pohmelfs_new_ino(st->psb);
-
-                dprintk("%s: parent: %llu, ino: %llu, name: '%s', hash: %x, len: %u, mode: %o.\n",
-                                __func__, parent->ino, info->ino, str.name, str.hash, str.len,
-                                info->mode);
-
-                npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0);
-                if (IS_ERR(npi)) {
-                        err = PTR_ERR(npi);
-
-                        if (err != -EEXIST)
-                                goto err_out_put;
-                } else {
-                        struct dentry *dentry, *alias, *pd;
-
-                        set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-                        clear_bit(NETFS_INODE_OWNED, &npi->state);
-
-                        pd = d_find_alias(&parent->vfs_inode);
-                        if (pd) {
-                                str.hash = full_name_hash(str.name, str.len);
-                                dentry = d_alloc(pd, &str);
-                                if (dentry) {
-                                        alias = d_materialise_unique(dentry, &npi->vfs_inode);
-                                        if (alias)
-                                                dput(alias);
-                                }
-
-                                dput(dentry);
-                                dput(pd);
-                        }
-                }
-        }
-out:
-        if (last) {
-                set_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state);
-                set_bit(NETFS_INODE_REMOTE_SYNCED, &parent->state);
-                wake_up(&st->psb->wait);
-        }
-        pohmelfs_put_inode(parent);
-
-        return err;
-
-err_out_put:
-        clear_bit(NETFS_INODE_REMOTE_DIR_SYNCED, &parent->state);
-        printk("%s: parent: %llu, ino: %llu, cmd_id: %llu.\n", __func__, parent->ino, cmd->start, cmd->id);
-        pohmelfs_put_inode(parent);
-        wake_up(&st->psb->wait);
-        return err;
-}
-
-/*
- * Lookup command response.
- * It searches for inode to be looked at (if it exists) and substitutes
- * its inode information (size, permission, mode and so on), if inode does
- * not exist, new one will be created and inserted into caches.
- */
-static int pohmelfs_lookup_response(struct netfs_state *st)
-{
-        struct inode *inode = NULL;
-        struct netfs_cmd *cmd = &st->cmd;
-        struct netfs_inode_info *info;
-        struct pohmelfs_inode *parent = NULL, *npi;
-        int err = -EINVAL;
-        char *name;
-
-        inode = ilookup(st->psb->sb, cmd->id);
-        if (!inode) {
-                printk("%s: lookup response: id: %llu, start: %llu, size: %u.\n",
-                                __func__, cmd->id, cmd->start, cmd->size);
-                err = -ENOENT;
-                goto err_out_exit;
-        }
-        parent = POHMELFS_I(inode);
-
-        if (!cmd->size) {
-                err = -cmd->start;
-                goto err_out_put;
-        }
-
-        if (cmd->size < sizeof(struct netfs_inode_info)) {
-                printk("%s: broken lookup response: id: %llu, start: %llu, size: %u.\n",
-                                __func__, cmd->id, cmd->start, cmd->size);
-                err = -EINVAL;
-                goto err_out_put;
-        }
-
-        err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-        if (err)
-                goto err_out_put;
-
-        info = (struct netfs_inode_info *)(st->data);
-        name = (char *)(info + 1);
-
-        netfs_convert_inode_info(info);
-
-        info->ino = cmd->start;
-        if (!info->ino)
-                info->ino = pohmelfs_new_ino(st->psb);
-
-        dprintk("%s: parent: %llu, ino: %llu, name: '%s', start: %llu.\n",
-                        __func__, parent->ino, info->ino, name, cmd->start);
-
-        if (cmd->start)
-                npi = pohmelfs_new_inode(st->psb, parent, NULL, info, 0);
-        else {
-                struct qstr str;
-
-                str.name = name;
-                str.len = cmd->size - sizeof(struct netfs_inode_info) - 1 - cmd->cpad;
-                str.hash = jhash(name, str.len, 0);
-
-                npi = pohmelfs_new_inode(st->psb, parent, &str, info, 0);
-        }
-        if (IS_ERR(npi)) {
-                err = PTR_ERR(npi);
-
-                if (err != -EEXIST)
-                        goto err_out_put;
-        } else {
-                set_bit(NETFS_INODE_REMOTE_SYNCED, &npi->state);
-                clear_bit(NETFS_INODE_OWNED, &npi->state);
-        }
-
-        clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-        pohmelfs_put_inode(parent);
-
-        wake_up(&st->psb->wait);
-
-        return 0;
-
-err_out_put:
-        pohmelfs_put_inode(parent);
-err_out_exit:
-        clear_bit(NETFS_COMMAND_PENDING, &parent->state);
-        wake_up(&st->psb->wait);
-        printk("%s: inode: %p, id: %llu, start: %llu, size: %u, err: %d.\n",
-                        __func__, inode, cmd->id, cmd->start, cmd->size, err);
-        return err;
-}
-
-/*
- * Create response, just marks local inode as 'created', so that writeback
- * for any of its children (or own) would not try to sync it again.
- */
-static int pohmelfs_create_response(struct netfs_state *st)
-{
-        struct inode *inode;
-        struct netfs_cmd *cmd = &st->cmd;
-        struct pohmelfs_inode *pi;
-
-        inode = ilookup(st->psb->sb, cmd->id);
-        if (!inode) {
-                printk("%s: failed to find inode: id: %llu, start: %llu.\n",
-                                __func__, cmd->id, cmd->start);
-                goto err_out_exit;
-        }
-
-        pi = POHMELFS_I(inode);
-
-        /*
-         * To lock or not to lock?
-         * We actually do not care if it races...
-         */
-        if (cmd->start)
-                make_bad_inode(inode);
-        set_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state);
-
-        pohmelfs_put_inode(pi);
-
-        wake_up(&st->psb->wait);
-        return 0;
-
-err_out_exit:
-        wake_up(&st->psb->wait);
-        return -ENOENT;
-}
-
-/*
- * Object remove response. Just says that remove request has been received.
- * Used in cache coherency protocol.
- */
-static int pohmelfs_remove_response(struct netfs_state *st)
-{
-        struct netfs_cmd *cmd = &st->cmd;
-        int err;
-
-        err = pohmelfs_data_recv_and_check(st, st->data, cmd->size);
-        if (err)
-                return err;
-
-        dprintk("%s: parent: %llu, path: '%s'.\n", __func__, cmd->id, (char *)st->data);
-
-        return 0;
-}
-
-/*
- * Transaction reply processing.
- *
- * Find transaction based on its generation number, bump its reference counter,
- * so that none could free it under us, drop from the trees and lists and
- * drop reference counter. When it hits zero (when all destinations replied
- * and all timeout handled by async scanning code), completion will be called
- * and transaction will be freed.
- */
-static int pohmelfs_transaction_response(struct netfs_state *st)
-{
-        struct netfs_trans_dst *dst;
-        struct netfs_trans *t = NULL;
-        struct netfs_cmd *cmd = &st->cmd;
-        short err = (signed)cmd->ext;
-
-        mutex_lock(&st->trans_lock);
-        dst = netfs_trans_search(st, cmd->start);
-        if (dst) {
-                netfs_trans_remove_nolock(dst, st);
-                t = dst->trans;
-        }
-        mutex_unlock(&st->trans_lock);
-
-        if (!t) {
-                printk("%s: failed to find transaction: start: %llu: id: %llu, size: %u, ext: %u.\n",
-                                __func__, cmd->start, cmd->id, cmd->size, cmd->ext);
-                err = -EINVAL;
-                goto out;
-        }
-
-        t->result = err;
-        netfs_trans_drop_dst_nostate(dst);
-
-out:
-        wake_up(&st->psb->wait);
-        return err;
-}
-
-/*
- * Inode metadata cache coherency message.
- */
-static int pohmelfs_page_cache_response(struct netfs_state *st)
-{
-        struct netfs_cmd *cmd = &st->cmd;
-        struct inode *inode;
-
-        dprintk("%s: st: %p, id: %llu, start: %llu, size: %u.\n", __func__, st, cmd->id, cmd->start, cmd->size);
-
-        inode = ilookup(st->psb->sb, cmd->id);
-        if (!inode) {
-                printk("%s: failed to find inode: id: %llu.\n", __func__, cmd->id);
-                return -ENOENT;
-        }
-
-        set_bit(NETFS_INODE_NEED_FLUSH, &POHMELFS_I(inode)->state);
-        pohmelfs_put_inode(POHMELFS_I(inode));
-
-        return 0;
-}
-
-/*
- * Root capabilities response: export statistics
- * like used and available size, number of files and dirs,
- * permissions.
- */
-static int pohmelfs_root_cap_response(struct netfs_state *st)
-{
-        struct netfs_cmd *cmd = &st->cmd;
-        struct netfs_root_capabilities *cap;
-        struct pohmelfs_sb *psb = st->psb;
-
-        if (cmd->size != sizeof(struct netfs_root_capabilities)) {
-                psb->flags = EPROTO;
-                wake_up(&psb->wait);
-                return -EPROTO;
-        }
-
-        cap = st->data;
-
-        netfs_convert_root_capabilities(cap);
-
-        if (psb->total_size < cap->used + cap->avail)
-                psb->total_size = cap->used + cap->avail;
-        if (cap->avail)
-                psb->avail_size = cap->avail;
-        psb->state_flags = cap->flags;
-
-        if (psb->state_flags & POHMELFS_FLAGS_RO) {
-                psb->sb->s_flags |= MS_RDONLY;
-                printk(KERN_INFO "Mounting POHMELFS (%d) read-only.\n", psb->idx);
-        }
-
-        if (psb->state_flags & POHMELFS_FLAGS_XATTR)
-                printk(KERN_INFO "Mounting POHMELFS (%d) "
-                        "with extended attributes support.\n", psb->idx);
-
-        if (atomic_long_read(&psb->total_inodes) <= 1)
-                atomic_long_set(&psb->total_inodes, cap->nr_files);
-
-        dprintk("%s: total: %llu, avail: %llu, flags: %llx, inodes: %llu.\n",
-                __func__, psb->total_size, psb->avail_size, psb->state_flags, cap->nr_files);
-
-        psb->flags = 0;
-        wake_up(&psb->wait);
-        return 0;
-}
-
-/*
- * Crypto capabilities of the server, where it says that
- * it supports or does not requested hash/cipher algorithms.
- */
-static int pohmelfs_crypto_cap_response(struct netfs_state *st)
-{
-        struct netfs_cmd *cmd = &st->cmd;
-        struct netfs_crypto_capabilities *cap;
-        struct pohmelfs_sb *psb = st->psb;
-        int err = 0;
-
-        if (cmd->size != sizeof(struct netfs_crypto_capabilities)) {
-                psb->flags = EPROTO;
-                wake_up(&psb->wait);
-                return -EPROTO;
-        }
-
-        cap = st->data;
-
-        dprintk("%s: cipher '%s': %s, hash: '%s': %s.\n",
-                        __func__,
-                        psb->cipher_string, (cap->cipher_strlen) ? "SUPPORTED" : "NOT SUPPORTED",
-                        psb->hash_string, (cap->hash_strlen) ? "SUPPORTED" : "NOT SUPPORTED");
-
-        if (!cap->hash_strlen) {
-                if (psb->hash_strlen && psb->crypto_fail_unsupported)
-                        err = -ENOTSUPP;
-                psb->hash_strlen = 0;
-                kfree(psb->hash_string);
-                psb->hash_string = NULL;
-        }
-
-        if (!cap->cipher_strlen) {
-                if (psb->cipher_strlen && psb->crypto_fail_unsupported)
-                        err = -ENOTSUPP;
-                psb->cipher_strlen = 0;
-                kfree(psb->cipher_string);
-                psb->cipher_string = NULL;
-        }
-
-        return err;
-}
-
-/*
- * Capabilities handshake response.
- */
-static int pohmelfs_capabilities_response(struct netfs_state *st)
-{
-        struct netfs_cmd *cmd = &st->cmd;
-        int err = 0;
-
-        err = pohmelfs_data_recv(st, st->data, cmd->size);
-        if (err)
-                return err;
-
-        switch (cmd->id) {
-        case POHMELFS_CRYPTO_CAPABILITIES:
-                        return pohmelfs_crypto_cap_response(st);
-        case POHMELFS_ROOT_CAPABILITIES:
-                        return pohmelfs_root_cap_response(st);
-        default:
-                        break;
-        }
-        return -EINVAL;
-}
-
-/*
- * Receiving extended attribute.
- * Does not work properly if received size is more than requested one,
- * it should not happen with current request/reply model though.
- */
-static int pohmelfs_getxattr_response(struct netfs_state *st)
-{
-        struct pohmelfs_sb *psb = st->psb;
-        struct netfs_cmd *cmd = &st->cmd;
-        struct pohmelfs_mcache *m;
-        short error = (signed short)cmd->ext, err;
-        unsigned int sz, total_size;
-
-        m = pohmelfs_mcache_search(psb, cmd->id);
-
-        dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-                __func__, cmd->id, (m) ? m->gen : 0, error);
-
-        if (!m) {
-                printk("%s: failed to find getxattr cache entry: id: %llu.\n", __func__, cmd->id);
-                return -ENOENT;
-        }
-
-        if (cmd->size) {
-                sz = min_t(unsigned int, cmd->size, m->size);
-                err = pohmelfs_data_recv_and_check(st, m->data, sz);
-                if (err) {
-                        error = err;
-                        goto out;
-                }
-
-                m->size = sz;
-                total_size = cmd->size - sz;
-
-                while (total_size) {
-                        sz = min(total_size, st->size);
-
-                        err = pohmelfs_data_recv_and_check(st, st->data, sz);
-                        if (err) {
-                                error = err;
-                                break;
-                        }
-
-                        total_size -= sz;
-                }
-        }
-
-out:
-        m->err = error;
-        complete(&m->complete);
-        pohmelfs_mcache_put(psb, m);
-
-        return error;
-}
-
-int pohmelfs_data_lock_response(struct netfs_state *st)
-{
-        struct pohmelfs_sb *psb = st->psb;
-        struct netfs_cmd *cmd = &st->cmd;
-        struct pohmelfs_mcache *m;
-        short err = (signed short)cmd->ext;
-        u64 id = cmd->id;
-
-        m = pohmelfs_mcache_search(psb, id);
-
-        dprintk("%s: id: %llu, gen: %llu, err: %d.\n",
-                __func__, cmd->id, (m) ? m->gen : 0, err);
-
-        if (!m) {
-                pohmelfs_data_recv(st, st->data, cmd->size);
-                printk("%s: failed to find data lock response: id: %llu.\n", __func__, cmd->id);
-                return -ENOENT;
-        }
-
-        if (cmd->size)
-                err = pohmelfs_data_recv_and_check(st, &m->info, cmd->size);
-
-        m->err = err;
-        complete(&m->complete);
-        pohmelfs_mcache_put(psb, m);
-
-        return err;
-}
-
-static void __inline__ netfs_state_reset(struct netfs_state *st)
-{
-        netfs_state_lock_send(st);
-        netfs_state_exit(st);
-        netfs_state_init(st);
-        netfs_state_unlock_send(st);
-}
-
-/*
- * Main receiving function, called from dedicated kernel thread.
- */
-static int pohmelfs_recv(void *data)
-{
-        int err = -EINTR;
-        struct netfs_state *st = data;
-        struct netfs_cmd *cmd = &st->cmd;
-
-        while (!kthread_should_stop()) {
-                /*
-                 * If socket will be reset after this statement, then
-                 * pohmelfs_data_recv() will just fail and loop will
-                 * start again, so it can be done without any locks.
-                 *
-                 * st->read_socket is needed to prevents state machine
-                 * breaking between this data reading and subsequent one
-                 * in protocol specific functions during connection reset.
-                 * In case of reset we have to read next command and do
-                 * not expect data for old command to magically appear in
-                 * new connection.
-                 */
-                st->read_socket = st->socket;
-                err = pohmelfs_data_recv(st, cmd, sizeof(struct netfs_cmd));
-                if (err) {
-                        msleep(1000);
-                        continue;
-                }
-
-                netfs_convert_cmd(cmd);
-
-                dprintk("%s: cmd: %u, id: %llu, start: %llu, size: %u, "
-                                "ext: %u, csize: %u, cpad: %u.\n",
-                                __func__, cmd->cmd, cmd->id, cmd->start,
-                                cmd->size, cmd->ext, cmd->csize, cmd->cpad);
-
-                if (cmd->csize) {
-                        struct pohmelfs_crypto_engine *e = &st->eng;
-
-                        if (unlikely(cmd->csize > e->size/2)) {
-                                netfs_state_reset(st);
-                                continue;
-                        }
-
-                        if (e->hash && unlikely(cmd->csize != st->psb->crypto_attached_size)) {
-                                dprintk("%s: cmd: cmd: %u, id: %llu, start: %llu, size: %u, "
-                                                "csize: %u != digest size %u.\n",
-                                                __func__, cmd->cmd, cmd->id, cmd->start, cmd->size,
-                                                cmd->csize, st->psb->crypto_attached_size);
-                                netfs_state_reset(st);
-                                continue;
-                        }
-
-                        err = pohmelfs_data_recv(st, e->data, cmd->csize);
-                        if (err) {
-                                netfs_state_reset(st);
-                                continue;
-                        }
-
-#ifdef CONFIG_POHMELFS_DEBUG
-                        {
-                                unsigned int i;
-                                unsigned char *hash = e->data;
-
-                                dprintk("%s: received hash: ", __func__);
-                                for (i = 0; i < cmd->csize; ++i)
-                                        printk("%02x ", hash[i]);
-
-                                printk("\n");
-                        }
-#endif
-                        cmd->size -= cmd->csize;
-                }
-
-                /*
-                 * This should catch protocol breakage and random garbage instead of commands.
-                 */
-                if (unlikely((cmd->size > st->size) && (cmd->cmd != NETFS_XATTR_GET))) {
-                        netfs_state_reset(st);
-                        continue;
-                }
-
-                switch (cmd->cmd) {
-                case NETFS_READ_PAGE:
-                                err = pohmelfs_read_page_response(st);
-                                break;
-                case NETFS_READDIR:
-                                err = pohmelfs_readdir_response(st);
-                                break;
-                case NETFS_LOOKUP:
-                                err = pohmelfs_lookup_response(st);
-                                break;
-                case NETFS_CREATE:
-                                err = pohmelfs_create_response(st);
-                                break;
-                case NETFS_REMOVE:
-                                err = pohmelfs_remove_response(st);
-                                break;
-                case NETFS_TRANS:
-                                err = pohmelfs_transaction_response(st);
-                                break;
-                case NETFS_PAGE_CACHE:
-                                err = pohmelfs_page_cache_response(st);
-                                break;
-                case NETFS_CAPABILITIES:
-                                err = pohmelfs_capabilities_response(st);
-                                break;
-                case NETFS_LOCK:
-                                err = pohmelfs_data_lock_response(st);
-                                break;
-                case NETFS_XATTR_GET:
-                                err = pohmelfs_getxattr_response(st);
-                                break;
-                default:
-                                printk("%s: wrong cmd: %u, id: %llu, start: %llu, size: %u, ext: %u.\n",
-                                        __func__, cmd->cmd, cmd->id, cmd->start, cmd->size, cmd->ext);
-                                netfs_state_reset(st);
-                                break;
-                }
-        }
-
-        while (!kthread_should_stop())
-                schedule_timeout_uninterruptible(msecs_to_jiffies(10));
-
-        return err;
-}
-
-int netfs_state_init(struct netfs_state *st)
-{
-        int err;
-        struct pohmelfs_ctl *ctl = &st->ctl;
-
-        err = sock_create(ctl->addr.sa_family, ctl->type, ctl->proto, &st->socket);
-        if (err) {
-                printk("%s: failed to create a socket: family: %d, type: %d, proto: %d, err: %d.\n",
-                                __func__, ctl->addr.sa_family, ctl->type, ctl->proto, err);
-                goto err_out_exit;
-        }
-
-        st->socket->sk->sk_allocation = GFP_NOIO;
-        st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000);
-
-        err = kernel_connect(st->socket, (struct sockaddr *)&ctl->addr, ctl->addrlen, 0);
-        if (err) {
-                printk("%s: failed to connect to server: idx: %u, err: %d.\n",
-                                __func__, st->psb->idx, err);
-                goto err_out_release;
-        }
-        st->socket->sk->sk_sndtimeo = st->socket->sk->sk_rcvtimeo = msecs_to_jiffies(60000);
-
-        err = netfs_poll_init(st);
-        if (err)
-                goto err_out_release;
-
-        if (st->socket->ops->family == AF_INET) {
-                struct sockaddr_in *sin = (struct sockaddr_in *)&ctl->addr;
-                printk(KERN_INFO "%s: (re)connected to peer %pi4:%d.\n", __func__,
-                        &sin->sin_addr.s_addr, ntohs(sin->sin_port));
-        } else if (st->socket->ops->family == AF_INET6) {
-                struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&ctl->addr;
-                printk(KERN_INFO "%s: (re)connected to peer %pi6:%d", __func__,
-                                &sin->sin6_addr, ntohs(sin->sin6_port));
-        }
-
-        return 0;
-
-err_out_release:
-        sock_release(st->socket);
-err_out_exit:
-        st->socket = NULL;
-        return err;
-}
-
-void netfs_state_exit(struct netfs_state *st)
-{
-        if (st->socket) {
-                netfs_poll_exit(st);
-                st->socket->ops->shutdown(st->socket, 2);
-
-                if (st->socket->ops->family == AF_INET) {
-                        struct sockaddr_in *sin = (struct sockaddr_in *)&st->ctl.addr;
-                        printk(KERN_INFO "%s: disconnected from peer %pi4:%d.\n", __func__,
-                                &sin->sin_addr.s_addr, ntohs(sin->sin_port));
-                } else if (st->socket->ops->family == AF_INET6) {
-                        struct sockaddr_in6 *sin = (struct sockaddr_in6 *)&st->ctl.addr;
-                        printk(KERN_INFO "%s: disconnected from peer %pi6:%d", __func__,
-                                &sin->sin6_addr, ntohs(sin->sin6_port));
-                }
-
-                sock_release(st->socket);
-                st->socket = NULL;
-                st->read_socket = NULL;
-                st->need_reset = 0;
-        }
-}
-
-int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf)
-{
-        struct netfs_state *st = &conf->state;
-        int err = -ENOMEM;
-
-        mutex_init(&st->__state_lock);
-        mutex_init(&st->__state_send_lock);
-        init_waitqueue_head(&st->thread_wait);
-
-        st->psb = psb;
-        st->trans_root = RB_ROOT;
-        mutex_init(&st->trans_lock);
-
-        st->size = psb->trans_data_size;
-        st->data = kmalloc(st->size, GFP_KERNEL);
-        if (!st->data)
-                goto err_out_exit;
-
-        if (psb->perform_crypto) {
-                err = pohmelfs_crypto_engine_init(&st->eng, psb);
-                if (err)
-                        goto err_out_free_data;
-        }
-
-        err = netfs_state_init(st);
-        if (err)
-                goto err_out_free_engine;
-
-        st->thread = kthread_run(pohmelfs_recv, st, "pohmelfs/%u", psb->idx);
-        if (IS_ERR(st->thread)) {
-                err = PTR_ERR(st->thread);
-                goto err_out_netfs_exit;
-        }
-
-        if (!psb->active_state)
-                psb->active_state = conf;
-
-        dprintk("%s: conf: %p, st: %p, socket: %p.\n",
-                        __func__, conf, st, st->socket);
-        return 0;
-
-err_out_netfs_exit:
-        netfs_state_exit(st);
-err_out_free_engine:
-        pohmelfs_crypto_engine_exit(&st->eng);
-err_out_free_data:
-        kfree(st->data);
-err_out_exit:
-        return err;
-
-}
-
-void pohmelfs_state_flush_transactions(struct netfs_state *st)
-{
-        struct rb_node *rb_node;
-        struct netfs_trans_dst *dst;
-
-        mutex_lock(&st->trans_lock);
-        for (rb_node = rb_first(&st->trans_root); rb_node; ) {
-                dst = rb_entry(rb_node, struct netfs_trans_dst, state_entry);
-                rb_node = rb_next(rb_node);
-
-                dst->trans->result = -EINVAL;
-                netfs_trans_remove_nolock(dst, st);
-                netfs_trans_drop_dst_nostate(dst);
-        }
-        mutex_unlock(&st->trans_lock);
-}
-
-static void pohmelfs_state_exit_one(struct pohmelfs_config *c)
-{
-        struct netfs_state *st = &c->state;
-
-        dprintk("%s: exiting, st: %p.\n", __func__, st);
-        if (st->thread) {
-                kthread_stop(st->thread);
-                st->thread = NULL;
-        }
-
-        netfs_state_lock_send(st);
-        netfs_state_exit(st);
-        netfs_state_unlock_send(st);
-
-        pohmelfs_state_flush_transactions(st);
-
-        pohmelfs_crypto_engine_exit(&st->eng);
-        kfree(st->data);
-
-        kfree(c);
-}
-
-/*
- * Initialize network stack. It searches for given ID in global
- * configuration table, this contains information of the remote server
- * (address (any supported by socket interface) and port, protocol and so on).
- */
-int pohmelfs_state_init(struct pohmelfs_sb *psb)
-{
-        int err = -ENOMEM;
-
-        err = pohmelfs_copy_config(psb);
-        if (err) {
-                pohmelfs_state_exit(psb);
-                return err;
-        }
-
-        return 0;
-}
-
-void pohmelfs_state_exit(struct pohmelfs_sb *psb)
-{
-        struct pohmelfs_config *c, *tmp;
-
-        list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) {
-                list_del(&c->config_entry);
-                pohmelfs_state_exit_one(c);
-        }
-}
-
-void pohmelfs_switch_active(struct pohmelfs_sb *psb)
-{
-        struct pohmelfs_config *c = psb->active_state;
-
-        if (!list_empty(&psb->state_list)) {
-                if (c->config_entry.next != &psb->state_list) {
-                        psb->active_state = list_entry(c->config_entry.next,
-                                struct pohmelfs_config, config_entry);
-                } else {
-                        psb->active_state = list_entry(psb->state_list.next,
-                                struct pohmelfs_config, config_entry);
-                }
-
-                dprintk("%s: empty: %d, active %p -> %p.\n",
-                        __func__, list_empty(&psb->state_list), c,
-                        psb->active_state);
-        } else
-                psb->active_state = NULL;
-}
-
-void pohmelfs_check_states(struct pohmelfs_sb *psb)
-{
-        struct pohmelfs_config *c, *tmp;
-        LIST_HEAD(delete_list);
-
-        mutex_lock(&psb->state_lock);
-        list_for_each_entry_safe(c, tmp, &psb->state_list, config_entry) {
-                if (pohmelfs_config_check(c, psb->idx)) {
-
-                        if (psb->active_state == c)
-                                pohmelfs_switch_active(psb);
-                        list_move(&c->config_entry, &delete_list);
-                }
-        }
-        pohmelfs_copy_config(psb);
-        mutex_unlock(&psb->state_lock);
-
-        list_for_each_entry_safe(c, tmp, &delete_list, config_entry) {
-                list_del(&c->config_entry);
-                pohmelfs_state_exit_one(c);
-        }
-}
diff --git a/drivers/staging/pohmelfs/netfs.h b/drivers/staging/pohmelfs/netfs.h
deleted file mode 100644
index f26894f2a57f..000000000000
--- a/drivers/staging/pohmelfs/netfs.h
+++ /dev/null
@@ -1,919 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __NETFS_H
-#define __NETFS_H
-
-#include <linux/types.h>
-#include <linux/connector.h>
-#include <linux/backing-dev.h>
-
-#define POHMELFS_CN_IDX                 5
-#define POHMELFS_CN_VAL                 0
-
-#define POHMELFS_CTLINFO_ACK            1
-#define POHMELFS_NOINFO_ACK             2
-
-#define POHMELFS_NULL_IDX               65535
-
-/*
- * Network command structure.
- * Will be extended.
- */
-struct netfs_cmd {
-        __u16                   cmd;    /* Command number */
-        __u16                   csize;  /* Attached crypto information size */
-        __u16                   cpad;   /* Attached padding size */
-        __u16                   ext;    /* External flags */
-        __u32                   size;   /* Size of the attached data */
-        __u32                   trans;  /* Transaction id */
-        __u64                   id;     /* Object ID to operate on. Used for feedback.*/
-        __u64                   start;  /* Start of the object. */
-        __u64                   iv;     /* IV sequence */
-        __u8                    data[0];
-};
-
-static inline void netfs_convert_cmd(struct netfs_cmd *cmd)
-{
-        cmd->id = __be64_to_cpu(cmd->id);
-        cmd->start = __be64_to_cpu(cmd->start);
-        cmd->iv = __be64_to_cpu(cmd->iv);
-        cmd->cmd = __be16_to_cpu(cmd->cmd);
-        cmd->ext = __be16_to_cpu(cmd->ext);
-        cmd->csize = __be16_to_cpu(cmd->csize);
-        cmd->cpad = __be16_to_cpu(cmd->cpad);
-        cmd->size = __be32_to_cpu(cmd->size);
-}
-
-#define NETFS_TRANS_SINGLE_DST          (1<<0)
-
-enum {
-        NETFS_READDIR   = 1,    /* Read directory for given inode number */
-        NETFS_READ_PAGE,        /* Read data page from the server */
-        NETFS_WRITE_PAGE,       /* Write data page to the server */
-        NETFS_CREATE,           /* Create directory entry */
-        NETFS_REMOVE,           /* Remove directory entry */
-
-        NETFS_LOOKUP,           /* Lookup single object */
-        NETFS_LINK,             /* Create a link */
-        NETFS_TRANS,            /* Transaction */
-        NETFS_OPEN,             /* Open intent */
-        NETFS_INODE_INFO,       /* Metadata cache coherency synchronization message */
-
-        NETFS_PAGE_CACHE,       /* Page cache invalidation message */
-        NETFS_READ_PAGES,       /* Read multiple contiguous pages in one go */
-        NETFS_RENAME,           /* Rename object */
-        NETFS_CAPABILITIES,     /* Capabilities of the client, for example supported crypto */
-        NETFS_LOCK,             /* Distributed lock message */
-
-        NETFS_XATTR_SET,        /* Set extended attribute */
-        NETFS_XATTR_GET,        /* Get extended attribute */
-        NETFS_CMD_MAX
-};
-
-enum {
-        POHMELFS_FLAGS_ADD = 0, /* Network state control message for ADD */
-        POHMELFS_FLAGS_DEL,     /* Network state control message for DEL */
-        POHMELFS_FLAGS_SHOW,    /* Network state control message for SHOW */
-        POHMELFS_FLAGS_CRYPTO,  /* Crypto data control message */
-        POHMELFS_FLAGS_MODIFY,  /* Network state modification message */
-        POHMELFS_FLAGS_DUMP,    /* Network state control message for SHOW ALL */
-        POHMELFS_FLAGS_FLUSH,   /* Network state control message for FLUSH */
-};
-
-/*
- * Always wanted to copy it from socket headers into public one,
- * since they are __KERNEL__ protected there.
- */
-#define _K_SS_MAXSIZE   128
-
-struct saddr {
-        unsigned short          sa_family;
-        char                    addr[_K_SS_MAXSIZE];
-};
-
-enum {
-        POHMELFS_CRYPTO_HASH = 0,
-        POHMELFS_CRYPTO_CIPHER,
-};
-
-struct pohmelfs_crypto {
-        unsigned int            idx;            /* Config index */
-        unsigned short          strlen;         /* Size of the attached crypto string including 0-byte
-                                                 * "cbc(aes)" for example */
-        unsigned short          type;           /* HMAC, cipher, both */
-        unsigned int            keysize;        /* Key size */
-        unsigned char           data[0];        /* Algorithm string, key and IV */
-};
-
-#define POHMELFS_IO_PERM_READ           (1<<0)
-#define POHMELFS_IO_PERM_WRITE          (1<<1)
-
-/*
- * Configuration command used to create table of different remote servers.
- */
-struct pohmelfs_ctl {
-        __u32                   idx;            /* Config index */
-        __u32                   type;           /* Socket type */
-        __u32                   proto;          /* Socket protocol */
-        __u16                   addrlen;        /* Size of the address */
-        __u16                   perm;           /* IO permission */
-        __u16                   prio;           /* IO priority */
-        struct saddr            addr;           /* Remote server address */
-};
-
-/*
- * Ack for userspace about requested command.
- */
-struct pohmelfs_cn_ack {
-        struct cn_msg           msg;
-        int                     error;
-        int                     msg_num;
-        int                     unused[3];
-        struct pohmelfs_ctl     ctl;
-};
-
-/*
- * Inode info structure used to sync with server.
- * Check what stat() returns.
- */
-struct netfs_inode_info {
-        unsigned int            mode;
-        unsigned int            nlink;
-        unsigned int            uid;
-        unsigned int            gid;
-        unsigned int            blocksize;
-        unsigned int            padding;
-        __u64                   ino;
-        __u64                   blocks;
-        __u64                   rdev;
-        __u64                   size;
-        __u64                   version;
-};
-
-static inline void netfs_convert_inode_info(struct netfs_inode_info *info)
-{
-        info->mode = __cpu_to_be32(info->mode);
-        info->nlink = __cpu_to_be32(info->nlink);
-        info->uid = __cpu_to_be32(info->uid);
-        info->gid = __cpu_to_be32(info->gid);
-        info->blocksize = __cpu_to_be32(info->blocksize);
-        info->blocks = __cpu_to_be64(info->blocks);
-        info->rdev = __cpu_to_be64(info->rdev);
-        info->size = __cpu_to_be64(info->size);
-        info->version = __cpu_to_be64(info->version);
-        info->ino = __cpu_to_be64(info->ino);
-}
-
-/*
- * Cache state machine.
- */
-enum {
-        NETFS_COMMAND_PENDING = 0,      /* Command is being executed */
-        NETFS_INODE_REMOTE_SYNCED,      /* Inode was synced to server */
-        NETFS_INODE_REMOTE_DIR_SYNCED,  /* Inode (directory) was synced from the server */
-        NETFS_INODE_OWNED,              /* Inode is owned by given host */
-        NETFS_INODE_NEED_FLUSH,         /* Inode has to be flushed to the server */
-};
-
-/*
- * POHMELFS capabilities: information about supported
- * crypto operations (hash/cipher, modes, key sizes and so on),
- * root information (used/available size, number of objects, permissions)
- */
-enum pohmelfs_capabilities {
-        POHMELFS_CRYPTO_CAPABILITIES = 0,
-        POHMELFS_ROOT_CAPABILITIES,
-};
-
-/* Read-only mount */
-#define POHMELFS_FLAGS_RO               (1<<0)
-/* Extended attributes support on/off */
-#define POHMELFS_FLAGS_XATTR            (1<<1)
-
-struct netfs_root_capabilities {
-        __u64                   nr_files;
-        __u64                   used, avail;
-        __u64                   flags;
-};
-
-static inline void netfs_convert_root_capabilities(struct netfs_root_capabilities *cap)
-{
-        cap->nr_files = __cpu_to_be64(cap->nr_files);
-        cap->used = __cpu_to_be64(cap->used);
-        cap->avail = __cpu_to_be64(cap->avail);
-        cap->flags = __cpu_to_be64(cap->flags);
-}
-
-struct netfs_crypto_capabilities {
-        unsigned short          hash_strlen;    /* Hash string length, like "hmac(sha1) including 0 byte "*/
-        unsigned short          cipher_strlen;  /* Cipher string length with the same format */
-        unsigned int            cipher_keysize; /* Cipher key size */
-};
-
-static inline void netfs_convert_crypto_capabilities(struct netfs_crypto_capabilities *cap)
-{
-        cap->hash_strlen = __cpu_to_be16(cap->hash_strlen);
-        cap->cipher_strlen = __cpu_to_be16(cap->cipher_strlen);
-        cap->cipher_keysize = __cpu_to_be32(cap->cipher_keysize);
-}
-
-enum pohmelfs_lock_type {
-        POHMELFS_LOCK_GRAB      = (1<<15),
-
-        POHMELFS_READ_LOCK      = 0,
-        POHMELFS_WRITE_LOCK,
-};
-
-struct netfs_lock {
-        __u64                   start;
-        __u64                   ino;
-        __u32                   size;
-        __u32                   type;
-};
-
-static inline void netfs_convert_lock(struct netfs_lock *lock)
-{
-        lock->start = __cpu_to_be64(lock->start);
-        lock->ino = __cpu_to_be64(lock->ino);
-        lock->size = __cpu_to_be32(lock->size);
-        lock->type = __cpu_to_be32(lock->type);
-}
-
-#ifdef __KERNEL__
-
-#include <linux/kernel.h>
-#include <linux/completion.h>
-#include <linux/rbtree.h>
-#include <linux/net.h>
-#include <linux/poll.h>
-
-/*
- * Private POHMELFS cache of objects in directory.
- */
-struct pohmelfs_name {
-        struct rb_node          hash_node;
-
-        struct list_head        sync_create_entry;
-
-        u64                     ino;
-
-        u32                     hash;
-        u32                     mode;
-        u32                     len;
-
-        char                    *data;
-};
-
-/*
- * POHMELFS inode. Main object.
- */
-struct pohmelfs_inode {
-        struct list_head        inode_entry;            /* Entry in superblock list.
-                                                         * Objects which are not bound to dentry require to be dropped
-                                                         * in ->put_super()
-                                                         */
-        struct rb_root          hash_root;              /* The same, but indexed by name hash and len */
-        struct mutex            offset_lock;            /* Protect both above trees */
-
-        struct list_head        sync_create_list;       /* List of created but not yet synced to the server children */
-
-        unsigned int            drop_count;
-
-        int                     lock_type;              /* How this inode is locked: read or write */
-
-        int                     error;                  /* Transaction error for given inode */
-
-        long                    state;                  /* State machine above */
-
-        u64                     ino;                    /* Inode number */
-        u64                     total_len;              /* Total length of all children names, used to create offsets */
-
-        struct inode            vfs_inode;
-};
-
-struct netfs_trans;
-typedef int (*netfs_trans_complete_t)(struct page **pages, unsigned int page_num,
-                void *private, int err);
-
-struct netfs_state;
-struct pohmelfs_sb;
-
-struct netfs_trans {
-        /*
-         * Transaction header and attached contiguous data live here.
-         */
-        struct iovec                    iovec;
-
-        /*
-         * Pages attached to transaction.
-         */
-        struct page                     **pages;
-
-        /*
-         * List and protecting lock for transaction destination
-         * network states.
-         */
-        spinlock_t                      dst_lock;
-        struct list_head                dst_list;
-
-        /*
-         * Number of users for given transaction.
-         * For example each network state attached to transaction
-         * via dst_list increases it.
-         */
-        atomic_t                        refcnt;
-
-        /*
-         * Number of pages attached to given transaction.
-         * Some slots in above page array can be NULL, since
-         * for example page can be under writeback already,
-         * so we skip it in this transaction.
-         */
-        unsigned int                    page_num;
-
-        /*
-         * Transaction flags: single dst or broadcast and so on.
-         */
-        unsigned int                    flags;
-
-        /*
-         * Size of the data, which can be placed into
-         * iovec.iov_base area.
-         */
-        unsigned int                    total_size;
-
-        /*
-         * Number of pages to be sent to remote server.
-         * Usually equal to above page_num, but in case of partial
-         * writeback it can accumulate only pages already completed
-         * previous writeback.
-         */
-        unsigned int                    attached_pages;
-
-        /*
-         * Attached number of bytes in all above pages.
-         */
-        unsigned int                    attached_size;
-
-        /*
-         * Unique transacton generation number.
-         * Used as identity in the network state tree of transactions.
-         */
-        unsigned int                    gen;
-
-        /*
-         * Transaction completion status.
-         */
-        int                             result;
-
-        /*
-         * Superblock this transaction belongs to
-         */
-        struct pohmelfs_sb              *psb;
-
-        /*
-         * Crypto engine, which processed this transaction.
-         * Can be not NULL only if crypto engine holds encrypted pages.
-         */
-        struct pohmelfs_crypto_engine   *eng;
-
-        /* Private data */
-        void                            *private;
-
-        /* Completion callback, invoked just before transaction is destroyed */
-        netfs_trans_complete_t          complete;
-};
-
-static inline int netfs_trans_cur_len(struct netfs_trans *t)
-{
-        return (signed)(t->total_size - t->iovec.iov_len);
-}
-
-static inline void *netfs_trans_current(struct netfs_trans *t)
-{
-        return t->iovec.iov_base + t->iovec.iov_len;
-}
-
-struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size,
-                unsigned int flags, unsigned int nr);
-void netfs_trans_free(struct netfs_trans *t);
-int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb);
-int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb);
-
-static inline void netfs_trans_reset(struct netfs_trans *t)
-{
-        t->complete = NULL;
-}
-
-struct netfs_trans_dst {
-        struct list_head                trans_entry;
-        struct rb_node                  state_entry;
-
-        unsigned long                   send_time;
-
-        /*
-         * Times this transaction was resent to its old or new,
-         * depending on flags, destinations. When it reaches maximum
-         * allowed number, specified in superblock->trans_retries,
-         * transaction will be freed with ETIMEDOUT error.
-         */
-        unsigned int                    retries;
-
-        struct netfs_trans              *trans;
-        struct netfs_state              *state;
-};
-
-struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen);
-void netfs_trans_drop_dst(struct netfs_trans_dst *dst);
-void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst);
-void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st);
-void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st);
-int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb);
-int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st);
-
-int netfs_trans_init(void);
-void netfs_trans_exit(void);
-
-struct pohmelfs_crypto_engine {
-        u64                             iv;             /* Crypto IV for current operation */
-        unsigned long                   timeout;        /* Crypto waiting timeout */
-        unsigned int                    size;           /* Size of crypto scratchpad */
-        void                            *data;          /* Temporal crypto scratchpad */
-        /*
-         * Crypto operations performed on objects.
-         */
-        struct crypto_hash              *hash;
-        struct crypto_ablkcipher        *cipher;
-
-        struct pohmelfs_crypto_thread   *thread;        /* Crypto thread which hosts this engine */
-
-        struct page                     **pages;
-        unsigned int                    page_num;
-};
-
-struct pohmelfs_crypto_thread {
-        struct list_head                thread_entry;
-
-        struct task_struct              *thread;
-        struct pohmelfs_sb              *psb;
-
-        struct pohmelfs_crypto_engine   eng;
-
-        struct netfs_trans              *trans;
-
-        wait_queue_head_t               wait;
-        int                             error;
-
-        unsigned int                    size;
-        struct page                     *page;
-};
-
-void pohmelfs_crypto_thread_make_ready(struct pohmelfs_crypto_thread *th);
-
-/*
- * Network state, attached to one server.
- */
-struct netfs_state {
-        struct mutex            __state_lock;           /* Can not allow to use the same socket simultaneously */
-        struct mutex            __state_send_lock;
-        struct netfs_cmd        cmd;                    /* Cached command */
-        struct netfs_inode_info info;                   /* Cached inode info */
-
-        void                    *data;                  /* Cached some data */
-        unsigned int            size;                   /* Size of that data */
-
-        struct pohmelfs_sb      *psb;                   /* Superblock */
-
-        struct task_struct      *thread;                /* Async receiving thread */
-
-        /* Waiting/polling machinery */
-        wait_queue_t            wait;
-        wait_queue_head_t       *whead;
-        wait_queue_head_t       thread_wait;
-
-        struct mutex            trans_lock;
-        struct rb_root          trans_root;
-
-        struct pohmelfs_ctl     ctl;                    /* Remote peer */
-
-        struct socket           *socket;                /* Socket object */
-        struct socket           *read_socket;           /* Cached pointer to socket object.
-                                                         * Used to determine if between lock drops socket was changed.
-                                                         * Never used to read data or any kind of access.
-                                                         */
-        /*
-         * Crypto engines to process incoming data.
-         */
-        struct pohmelfs_crypto_engine   eng;
-
-        int                     need_reset;
-};
-
-int netfs_state_init(struct netfs_state *st);
-void netfs_state_exit(struct netfs_state *st);
-
-static inline void netfs_state_lock_send(struct netfs_state *st)
-{
-        mutex_lock(&st->__state_send_lock);
-}
-
-static inline int netfs_state_trylock_send(struct netfs_state *st)
-{
-        return mutex_trylock(&st->__state_send_lock);
-}
-
-static inline void netfs_state_unlock_send(struct netfs_state *st)
-{
-        BUG_ON(!mutex_is_locked(&st->__state_send_lock));
-
-        mutex_unlock(&st->__state_send_lock);
-}
-
-static inline void netfs_state_lock(struct netfs_state *st)
-{
-        mutex_lock(&st->__state_lock);
-}
-
-static inline void netfs_state_unlock(struct netfs_state *st)
-{
-        BUG_ON(!mutex_is_locked(&st->__state_lock));
-
-        mutex_unlock(&st->__state_lock);
-}
-
-static inline unsigned int netfs_state_poll(struct netfs_state *st)
-{
-        unsigned int revents = POLLHUP | POLLERR;
-
-        netfs_state_lock(st);
-        if (st->socket)
-                revents = st->socket->ops->poll(NULL, st->socket, NULL);
-        netfs_state_unlock(st);
-
-        return revents;
-}
-
-struct pohmelfs_config;
-
-struct pohmelfs_sb {
-        struct rb_root          mcache_root;
-        struct mutex            mcache_lock;
-        atomic_long_t           mcache_gen;
-        unsigned long           mcache_timeout;
-
-        unsigned int            idx;
-
-        unsigned int            trans_retries;
-
-        atomic_t                trans_gen;
-
-        unsigned int            crypto_attached_size;
-        unsigned int            crypto_align_size;
-
-        unsigned int            crypto_fail_unsupported;
-
-        unsigned int            crypto_thread_num;
-        struct list_head        crypto_active_list, crypto_ready_list;
-        struct mutex            crypto_thread_lock;
-
-        unsigned int            trans_max_pages;
-        unsigned long           trans_data_size;
-        unsigned long           trans_timeout;
-
-        unsigned long           drop_scan_timeout;
-        unsigned long           trans_scan_timeout;
-
-        unsigned long           wait_on_page_timeout;
-
-        struct list_head        flush_list;
-        struct list_head        drop_list;
-        spinlock_t              ino_lock;
-        u64                     ino;
-
-        /*
-         * Remote nodes POHMELFS connected to.
-         */
-        struct list_head        state_list;
-        struct mutex            state_lock;
-
-        /*
-         * Currently active state to request data from.
-         */
-        struct pohmelfs_config  *active_state;
-
-
-        wait_queue_head_t       wait;
-
-        /*
-         * Timed checks: stale transactions, inodes to be freed and so on.
-         */
-        struct delayed_work     dwork;
-        struct delayed_work     drop_dwork;
-
-        struct super_block      *sb;
-
-        struct backing_dev_info bdi;
-
-        /*
-         * Algorithm strings.
-         */
-        char                    *hash_string;
-        char                    *cipher_string;
-
-        u8                      *hash_key;
-        u8                      *cipher_key;
-
-        /*
-         * Algorithm string lengths.
-         */
-        unsigned int            hash_strlen;
-        unsigned int            cipher_strlen;
-        unsigned int            hash_keysize;
-        unsigned int            cipher_keysize;
-
-        /*
-         * Controls whether to perfrom crypto processing or not.
-         */
-        int                     perform_crypto;
-
-        /*
-         * POHMELFS statistics.
-         */
-        u64                     total_size;
-        u64                     avail_size;
-        atomic_long_t           total_inodes;
-
-        /*
-         * Xattr support, read-only and so on.
-         */
-        u64                     state_flags;
-
-        /*
-         * Temporary storage to detect changes in the wait queue.
-         */
-        long                    flags;
-};
-
-static inline void netfs_trans_update(struct netfs_cmd *cmd,
-                struct netfs_trans *t, unsigned int size)
-{
-        unsigned int sz = ALIGN(size, t->psb->crypto_align_size);
-
-        t->iovec.iov_len += sizeof(struct netfs_cmd) + sz;
-        cmd->cpad = __cpu_to_be16(sz - size);
-}
-
-static inline struct pohmelfs_sb *POHMELFS_SB(struct super_block *sb)
-{
-        return sb->s_fs_info;
-}
-
-static inline struct pohmelfs_inode *POHMELFS_I(struct inode *inode)
-{
-        return container_of(inode, struct pohmelfs_inode, vfs_inode);
-}
-
-static inline u64 pohmelfs_new_ino(struct pohmelfs_sb *psb)
-{
-        u64 ino;
-
-        spin_lock(&psb->ino_lock);
-        ino = psb->ino++;
-        spin_unlock(&psb->ino_lock);
-
-        return ino;
-}
-
-static inline void pohmelfs_put_inode(struct pohmelfs_inode *pi)
-{
-        struct pohmelfs_sb *psb = POHMELFS_SB(pi->vfs_inode.i_sb);
-
-        spin_lock(&psb->ino_lock);
-        list_move_tail(&pi->inode_entry, &psb->drop_list);
-        pi->drop_count++;
-        spin_unlock(&psb->ino_lock);
-}
-
-struct pohmelfs_config {
-        struct list_head        config_entry;
-
-        struct netfs_state      state;
-};
-
-struct pohmelfs_config_group {
-        /*
-         * Entry in the global config group list.
-         */
-        struct list_head        group_entry;
-
-        /*
-         * Index of the current group.
-         */
-        unsigned int            idx;
-        /*
-         * Number of config_list entries in this group entry.
-         */
-        unsigned int            num_entry;
-        /*
-         * Algorithm strings.
-         */
-        char                    *hash_string;
-        char                    *cipher_string;
-
-        /*
-         * Algorithm string lengths.
-         */
-        unsigned int            hash_strlen;
-        unsigned int            cipher_strlen;
-
-        /*
-         * Key and its size.
-         */
-        unsigned int            hash_keysize;
-        unsigned int            cipher_keysize;
-        u8                      *hash_key;
-        u8                      *cipher_key;
-
-        /*
-         * List of config entries (network state info) for given idx.
-         */
-        struct list_head        config_list;
-};
-
-int __init pohmelfs_config_init(void);
-void pohmelfs_config_exit(void);
-int pohmelfs_copy_config(struct pohmelfs_sb *psb);
-int pohmelfs_copy_crypto(struct pohmelfs_sb *psb);
-int pohmelfs_config_check(struct pohmelfs_config *config, int idx);
-int pohmelfs_state_init_one(struct pohmelfs_sb *psb, struct pohmelfs_config *conf);
-
-extern const struct file_operations pohmelfs_dir_fops;
-extern const struct inode_operations pohmelfs_dir_inode_ops;
-
-int pohmelfs_state_init(struct pohmelfs_sb *psb);
-void pohmelfs_state_exit(struct pohmelfs_sb *psb);
-void pohmelfs_state_flush_transactions(struct netfs_state *st);
-
-void pohmelfs_fill_inode(struct inode *inode, struct netfs_inode_info *info);
-
-void pohmelfs_name_del(struct pohmelfs_inode *parent, struct pohmelfs_name *n);
-void pohmelfs_free_names(struct pohmelfs_inode *parent);
-struct pohmelfs_name *pohmelfs_search_hash(struct pohmelfs_inode *pi, u32 hash);
-
-void pohmelfs_inode_del_inode(struct pohmelfs_sb *psb, struct pohmelfs_inode *pi);
-
-struct pohmelfs_inode *pohmelfs_create_entry_local(struct pohmelfs_sb *psb,
-        struct pohmelfs_inode *parent, struct qstr *str, u64 start, umode_t mode);
-
-int pohmelfs_write_create_inode(struct pohmelfs_inode *pi);
-
-int pohmelfs_write_inode_create(struct inode *inode, struct netfs_trans *trans);
-int pohmelfs_remove_child(struct pohmelfs_inode *parent, struct pohmelfs_name *n);
-
-struct pohmelfs_inode *pohmelfs_new_inode(struct pohmelfs_sb *psb,
-                struct pohmelfs_inode *parent, struct qstr *str,
-                struct netfs_inode_info *info, int link);
-
-int pohmelfs_setattr(struct dentry *dentry, struct iattr *attr);
-int pohmelfs_setattr_raw(struct inode *inode, struct iattr *attr);
-
-int pohmelfs_meta_command(struct pohmelfs_inode *pi, unsigned int cmd_op, unsigned int flags,
-                netfs_trans_complete_t complete, void *priv, u64 start);
-int pohmelfs_meta_command_data(struct pohmelfs_inode *pi, u64 id, unsigned int cmd_op, char *addon,
-                unsigned int flags, netfs_trans_complete_t complete, void *priv, u64 start);
-
-void pohmelfs_check_states(struct pohmelfs_sb *psb);
-void pohmelfs_switch_active(struct pohmelfs_sb *psb);
-
-int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len);
-int pohmelfs_path_length(struct pohmelfs_inode *pi);
-
-struct pohmelfs_crypto_completion {
-        struct completion       complete;
-        int                     error;
-};
-
-int pohmelfs_trans_crypt(struct netfs_trans *t, struct pohmelfs_sb *psb);
-void pohmelfs_crypto_exit(struct pohmelfs_sb *psb);
-int pohmelfs_crypto_init(struct pohmelfs_sb *psb);
-
-int pohmelfs_crypto_engine_init(struct pohmelfs_crypto_engine *e, struct pohmelfs_sb *psb);
-void pohmelfs_crypto_engine_exit(struct pohmelfs_crypto_engine *e);
-
-int pohmelfs_crypto_process_input_data(struct pohmelfs_crypto_engine *e, u64 iv,
-                void *data, struct page *page, unsigned int size);
-int pohmelfs_crypto_process_input_page(struct pohmelfs_crypto_engine *e,
-                struct page *page, unsigned int size, u64 iv);
-
-static inline u64 pohmelfs_gen_iv(struct netfs_trans *t)
-{
-        u64 iv = t->gen;
-
-        iv <<= 32;
-        iv |= ((unsigned long)t) & 0xffffffff;
-
-        return iv;
-}
-
-int pohmelfs_data_lock(struct pohmelfs_inode *pi, u64 start, u32 size, int type);
-int pohmelfs_data_unlock(struct pohmelfs_inode *pi, u64 start, u32 size, int type);
-int pohmelfs_data_lock_response(struct netfs_state *st);
-
-static inline int pohmelfs_need_lock(struct pohmelfs_inode *pi, int type)
-{
-        if (test_bit(NETFS_INODE_OWNED, &pi->state)) {
-                if (type == pi->lock_type)
-                        return 0;
-                if ((type == POHMELFS_READ_LOCK) && (pi->lock_type == POHMELFS_WRITE_LOCK))
-                        return 0;
-        }
-
-        if (!test_bit(NETFS_INODE_REMOTE_SYNCED, &pi->state))
-                return 0;
-
-        return 1;
-}
-
-int __init pohmelfs_mcache_init(void);
-void pohmelfs_mcache_exit(void);
-
-/* #define CONFIG_POHMELFS_DEBUG */
-
-#ifdef CONFIG_POHMELFS_DEBUG
-#define dprintka(f, a...) printk(f, ##a)
-#define dprintk(f, a...) printk("%d: " f, task_pid_vnr(current), ##a)
-#else
-#define dprintka(f, a...) do {} while (0)
-#define dprintk(f, a...) do {} while (0)
-#endif
-
-static inline void netfs_trans_get(struct netfs_trans *t)
-{
-        atomic_inc(&t->refcnt);
-}
-
-static inline void netfs_trans_put(struct netfs_trans *t)
-{
-        if (atomic_dec_and_test(&t->refcnt)) {
-                dprintk("%s: t: %p, gen: %u, err: %d.\n",
-                        __func__, t, t->gen, t->result);
-                if (t->complete)
-                        t->complete(t->pages, t->page_num,
-                                t->private, t->result);
-                netfs_trans_free(t);
-        }
-}
-
-struct pohmelfs_mcache {
-        struct rb_node                  mcache_entry;
-        struct completion               complete;
-
-        atomic_t                        refcnt;
-
-        u64                             gen;
-
-        void                            *data;
-        u64                             start;
-        u32                             size;
-        int                             err;
-
-        struct netfs_inode_info         info;
-};
-
-struct pohmelfs_mcache *pohmelfs_mcache_alloc(struct pohmelfs_sb *psb, u64 start,
-                unsigned int size, void *data);
-void pohmelfs_mcache_free(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m);
-struct pohmelfs_mcache *pohmelfs_mcache_search(struct pohmelfs_sb *psb, u64 gen);
-void pohmelfs_mcache_remove_locked(struct pohmelfs_sb *psb, struct pohmelfs_mcache *m);
-
-static inline void pohmelfs_mcache_get(struct pohmelfs_mcache *m)
-{
-        atomic_inc(&m->refcnt);
-}
-
-static inline void pohmelfs_mcache_put(struct pohmelfs_sb *psb,
-                struct pohmelfs_mcache *m)
-{
-        if (atomic_dec_and_test(&m->refcnt))
-                pohmelfs_mcache_free(psb, m);
-}
-
-/*#define POHMELFS_TRUNCATE_ON_INODE_FLUSH
- */
-
-#endif /* __KERNEL__*/
-
-#endif /* __NETFS_H */
diff --git a/drivers/staging/pohmelfs/path_entry.c b/drivers/staging/pohmelfs/path_entry.c
deleted file mode 100644
index 400a9fc386ad..000000000000
--- a/drivers/staging/pohmelfs/path_entry.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/fs.h>
-#include <linux/ktime.h>
-#include <linux/fs_struct.h>
-#include <linux/pagemap.h>
-#include <linux/writeback.h>
-#include <linux/mount.h>
-#include <linux/mm.h>
-
-#include "netfs.h"
-
-#define UNHASHED_OBSCURE_STRING_SIZE            sizeof(" (deleted)")
-
-/*
- * Create path from root for given inode.
- * Path is formed as set of stuctures, containing name of the object
- * and its inode data (mode, permissions and so on).
- */
-int pohmelfs_construct_path_string(struct pohmelfs_inode *pi, void *data, int len)
-{
-        struct path path;
-        struct dentry *d;
-        char *ptr;
-        int err = 0, strlen, reduce = 0;
-
-        d = d_find_alias(&pi->vfs_inode);
-        if (!d) {
-                printk("%s: no alias, list_empty: %d.\n", __func__, list_empty(&pi->vfs_inode.i_dentry));
-                return -ENOENT;
-        }
-
-        spin_lock(&current->fs->lock);
-        path.mnt = mntget(current->fs->root.mnt);
-        spin_unlock(&current->fs->lock);
-
-        path.dentry = d;
-
-        if (!IS_ROOT(d) && d_unhashed(d))
-                reduce = 1;
-
-        ptr = d_path(&path, data, len);
-        if (IS_ERR(ptr)) {
-                err = PTR_ERR(ptr);
-                goto out;
-        }
-
-        if (reduce && len >= UNHASHED_OBSCURE_STRING_SIZE) {
-                char *end = data + len - UNHASHED_OBSCURE_STRING_SIZE;
-                *end = '\0';
-        }
-
-        strlen = len - (ptr - (char *)data);
-        memmove(data, ptr, strlen);
-        ptr = data;
-
-        err = strlen;
-
-        dprintk("%s: dname: '%s', len: %u, maxlen: %u, name: '%s', strlen: %d.\n",
-                        __func__, d->d_name.name, d->d_name.len, len, ptr, strlen);
-
-out:
-        dput(d);
-        mntput(path.mnt);
-
-        return err;
-}
-
-int pohmelfs_path_length(struct pohmelfs_inode *pi)
-{
-        struct dentry *d, *root, *first;
-        int len;
-        unsigned seq;
-
-        first = d_find_alias(&pi->vfs_inode);
-        if (!first) {
-                dprintk("%s: ino: %llu, mode: %o.\n", __func__, pi->ino, pi->vfs_inode.i_mode);
-                return -ENOENT;
-        }
-
-        spin_lock(&current->fs->lock);
-        root = dget(current->fs->root.dentry);
-        spin_unlock(&current->fs->lock);
-
-rename_retry:
-        len = 1; /* Root slash */
-        d = first;
-        seq = read_seqbegin(&rename_lock);
-        rcu_read_lock();
-
-        if (!IS_ROOT(d) && d_unhashed(d))
-                len += UNHASHED_OBSCURE_STRING_SIZE; /* Obscure " (deleted)" string */
-
-        while (d && d != root && !IS_ROOT(d)) {
-                len += d->d_name.len + 1; /* Plus slash */
-                d = d->d_parent;
-        }
-        rcu_read_unlock();
-        if (read_seqretry(&rename_lock, seq))
-                goto rename_retry;
-
-        dput(root);
-        dput(first);
-
-        return len + 1; /* Including zero-byte */
-}
diff --git a/drivers/staging/pohmelfs/trans.c b/drivers/staging/pohmelfs/trans.c
deleted file mode 100644
index 06c1a7451b1b..000000000000
--- a/drivers/staging/pohmelfs/trans.c
+++ /dev/null
@@ -1,706 +0,0 @@
-/*
- * 2007+ Copyright (c) Evgeniy Polyakov <zbr@ioremap.net>
- * All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <linux/module.h>
-#include <linux/crypto.h>
-#include <linux/fs.h>
-#include <linux/jhash.h>
-#include <linux/hash.h>
-#include <linux/ktime.h>
-#include <linux/mempool.h>
-#include <linux/mm.h>
-#include <linux/mount.h>
-#include <linux/pagemap.h>
-#include <linux/parser.h>
-#include <linux/poll.h>
-#include <linux/swap.h>
-#include <linux/slab.h>
-#include <linux/statfs.h>
-#include <linux/writeback.h>
-
-#include "netfs.h"
-
-static struct kmem_cache *netfs_trans_dst;
-static mempool_t *netfs_trans_dst_pool;
-
-static void netfs_trans_init_static(struct netfs_trans *t, int num, int size)
-{
-        t->page_num = num;
-        t->total_size = size;
-        atomic_set(&t->refcnt, 1);
-
-        spin_lock_init(&t->dst_lock);
-        INIT_LIST_HEAD(&t->dst_list);
-}
-
-static int netfs_trans_send_pages(struct netfs_trans *t, struct netfs_state *st)
-{
-        int err = 0;
-        unsigned int i, attached_pages = t->attached_pages, ci;
-        struct msghdr msg;
-        struct page **pages = (t->eng) ? t->eng->pages : t->pages;
-        struct page *p;
-        unsigned int size;
-
-        msg.msg_name = NULL;
-        msg.msg_namelen = 0;
-        msg.msg_control = NULL;
-        msg.msg_controllen = 0;
-        msg.msg_flags = MSG_WAITALL | MSG_MORE;
-
-        ci = 0;
-        for (i = 0; i < t->page_num; ++i) {
-                struct page *page = pages[ci];
-                struct netfs_cmd cmd;
-                struct iovec io;
-
-                p = t->pages[i];
-
-                if (!p)
-                        continue;
-
-                size = page_private(p);
-
-                io.iov_base = &cmd;
-                io.iov_len = sizeof(struct netfs_cmd);
-
-                cmd.cmd = NETFS_WRITE_PAGE;
-                cmd.ext = 0;
-                cmd.id = 0;
-                cmd.size = size;
-                cmd.start = p->index;
-                cmd.start <<= PAGE_CACHE_SHIFT;
-                cmd.csize = 0;
-                cmd.cpad = 0;
-                cmd.iv = pohmelfs_gen_iv(t);
-
-                netfs_convert_cmd(&cmd);
-
-                msg.msg_iov = &io;
-                msg.msg_iovlen = 1;
-                msg.msg_flags = MSG_WAITALL | MSG_MORE;
-
-                err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, sizeof(struct netfs_cmd));
-                if (err <= 0) {
-                        printk("%s: %d/%d failed to send transaction header: t: %p, gen: %u, err: %d.\n",
-                                        __func__, i, t->page_num, t, t->gen, err);
-                        if (err == 0)
-                                err = -ECONNRESET;
-                        goto err_out;
-                }
-
-                msg.msg_flags = MSG_WAITALL | (attached_pages == 1 ? 0 :
-                                MSG_MORE);
-
-                err = kernel_sendpage(st->socket, page, 0, size, msg.msg_flags);
-                if (err <= 0) {
-                        printk("%s: %d/%d failed to send transaction page: t: %p, gen: %u, size: %u, err: %d.\n",
-                                        __func__, i, t->page_num, t, t->gen, size, err);
-                        if (err == 0)
-                                err = -ECONNRESET;
-                        goto err_out;
-                }
-
-                dprintk("%s: %d/%d sent t: %p, gen: %u, page: %p/%p, size: %u.\n",
-                        __func__, i, t->page_num, t, t->gen, page, p, size);
-
-                err = 0;
-                attached_pages--;
-                if (!attached_pages)
-                        break;
-                ci++;
-
-                continue;
-
-err_out:
-                printk("%s: t: %p, gen: %u, err: %d.\n", __func__, t, t->gen, err);
-                netfs_state_exit(st);
-                break;
-        }
-
-        return err;
-}
-
-int netfs_trans_send(struct netfs_trans *t, struct netfs_state *st)
-{
-        int err;
-        struct msghdr msg;
-
-        BUG_ON(!t->iovec.iov_len);
-        BUG_ON(t->iovec.iov_len > 1024*1024*1024);
-
-        netfs_state_lock_send(st);
-        if (!st->socket) {
-                err = netfs_state_init(st);
-                if (err)
-                        goto err_out_unlock_return;
-        }
-
-        msg.msg_iov = &t->iovec;
-        msg.msg_iovlen = 1;
-        msg.msg_name = NULL;
-        msg.msg_namelen = 0;
-        msg.msg_control = NULL;
-        msg.msg_controllen = 0;
-        msg.msg_flags = MSG_WAITALL;
-
-        if (t->attached_pages)
-                msg.msg_flags |= MSG_MORE;
-
-        err = kernel_sendmsg(st->socket, &msg, (struct kvec *)msg.msg_iov, 1, t->iovec.iov_len);
-        if (err <= 0) {
-                printk("%s: failed to send contig transaction: t: %p, gen: %u, size: %zu, err: %d.\n",
-                                __func__, t, t->gen, t->iovec.iov_len, err);
-                if (err == 0)
-                        err = -ECONNRESET;
-                goto err_out_unlock_return;
-        }
-
-        dprintk("%s: sent %s transaction: t: %p, gen: %u, size: %zu, page_num: %u.\n",
-                        __func__, (t->page_num) ? "partial" : "full",
-                        t, t->gen, t->iovec.iov_len, t->page_num);
-
-        err = 0;
-        if (t->attached_pages)
-                err = netfs_trans_send_pages(t, st);
-
-err_out_unlock_return:
-
-        if (st->need_reset)
-                netfs_state_exit(st);
-
-        netfs_state_unlock_send(st);
-
-        dprintk("%s: t: %p, gen: %u, err: %d.\n",
-                __func__, t, t->gen, err);
-
-        t->result = err;
-        return err;
-}
-
-static inline int netfs_trans_cmp(unsigned int gen, unsigned int new)
-{
-        if (gen < new)
-                return 1;
-        if (gen > new)
-                return -1;
-        return 0;
-}
-
-struct netfs_trans_dst *netfs_trans_search(struct netfs_state *st, unsigned int gen)
-{
-        struct rb_root *root = &st->trans_root;
-        struct rb_node *n = root->rb_node;
-        struct netfs_trans_dst *tmp, *ret = NULL;
-        struct netfs_trans *t;
-        int cmp;
-
-        while (n) {
-                tmp = rb_entry(n, struct netfs_trans_dst, state_entry);
-                t = tmp->trans;
-
-                cmp = netfs_trans_cmp(t->gen, gen);
-                if (cmp < 0)
-                        n = n->rb_left;
-                else if (cmp > 0)
-                        n = n->rb_right;
-                else {
-                        ret = tmp;
-                        break;
-                }
-        }
-
-        return ret;
-}
-
-static int netfs_trans_insert(struct netfs_trans_dst *ndst, struct netfs_state *st)
-{
-        struct rb_root *root = &st->trans_root;
-        struct rb_node **n = &root->rb_node, *parent = NULL;
-        struct netfs_trans_dst *ret = NULL, *tmp;
-        struct netfs_trans *t = NULL, *new = ndst->trans;
-        int cmp;
-
-        while (*n) {
-                parent = *n;
-
-                tmp = rb_entry(parent, struct netfs_trans_dst, state_entry);
-                t = tmp->trans;
-
-                cmp = netfs_trans_cmp(t->gen, new->gen);
-                if (cmp < 0)
-                        n = &parent->rb_left;
-                else if (cmp > 0)
-                        n = &parent->rb_right;
-                else {
-                        ret = tmp;
-                        break;
-                }
-        }
-
-        if (ret) {
-                printk("%s: exist: old: gen: %u, flags: %x, send_time: %lu, "
-                                "new: gen: %u, flags: %x, send_time: %lu.\n",
-                        __func__, t->gen, t->flags, ret->send_time,
-                        new->gen, new->flags, ndst->send_time);
-                return -EEXIST;
-        }
-
-        rb_link_node(&ndst->state_entry, parent, n);
-        rb_insert_color(&ndst->state_entry, root);
-        ndst->send_time = jiffies;
-
-        return 0;
-}
-
-int netfs_trans_remove_nolock(struct netfs_trans_dst *dst, struct netfs_state *st)
-{
-        if (dst && dst->state_entry.rb_parent_color) {
-                rb_erase(&dst->state_entry, &st->trans_root);
-                dst->state_entry.rb_parent_color = 0;
-                return 1;
-        }
-        return 0;
-}
-
-static int netfs_trans_remove_state(struct netfs_trans_dst *dst)
-{
-        int ret;
-        struct netfs_state *st = dst->state;
-
-        mutex_lock(&st->trans_lock);
-        ret = netfs_trans_remove_nolock(dst, st);
-        mutex_unlock(&st->trans_lock);
-
-        return ret;
-}
-
-/*
- * Create new destination for given transaction associated with given network state.
- * Transaction's reference counter is bumped and will be dropped when either
- * reply is received or when async timeout detection task will fail resending
- * and drop transaction.
- */
-static int netfs_trans_push_dst(struct netfs_trans *t, struct netfs_state *st)
-{
-        struct netfs_trans_dst *dst;
-        int err;
-
-        dst = mempool_alloc(netfs_trans_dst_pool, GFP_KERNEL);
-        if (!dst)
-                return -ENOMEM;
-
-        dst->retries = 0;
-        dst->send_time = 0;
-        dst->state = st;
-        dst->trans = t;
-        netfs_trans_get(t);
-
-        mutex_lock(&st->trans_lock);
-        err = netfs_trans_insert(dst, st);
-        mutex_unlock(&st->trans_lock);
-
-        if (err)
-                goto err_out_free;
-
-        spin_lock(&t->dst_lock);
-        list_add_tail(&dst->trans_entry, &t->dst_list);
-        spin_unlock(&t->dst_lock);
-
-        return 0;
-
-err_out_free:
-        t->result = err;
-        netfs_trans_put(t);
-        mempool_free(dst, netfs_trans_dst_pool);
-        return err;
-}
-
-static void netfs_trans_free_dst(struct netfs_trans_dst *dst)
-{
-        netfs_trans_put(dst->trans);
-        mempool_free(dst, netfs_trans_dst_pool);
-}
-
-static void netfs_trans_remove_dst(struct netfs_trans_dst *dst)
-{
-        if (netfs_trans_remove_state(dst))
-                netfs_trans_free_dst(dst);
-}
-
-/*
- * Drop destination transaction entry when we know it.
- */
-void netfs_trans_drop_dst(struct netfs_trans_dst *dst)
-{
-        struct netfs_trans *t = dst->trans;
-
-        spin_lock(&t->dst_lock);
-        list_del_init(&dst->trans_entry);
-        spin_unlock(&t->dst_lock);
-
-        netfs_trans_remove_dst(dst);
-}
-
-/*
- * Drop destination transaction entry when we know it and when we
- * already removed dst from state tree.
- */
-void netfs_trans_drop_dst_nostate(struct netfs_trans_dst *dst)
-{
-        struct netfs_trans *t = dst->trans;
-
-        spin_lock(&t->dst_lock);
-        list_del_init(&dst->trans_entry);
-        spin_unlock(&t->dst_lock);
-
-        netfs_trans_free_dst(dst);
-}
-
-/*
- * This drops destination transaction entry from appropriate network state
- * tree and drops related reference counter. It is possible that transaction
- * will be freed here if its reference counter hits zero.
- * Destination transaction entry will be freed.
- */
-void netfs_trans_drop_trans(struct netfs_trans *t, struct netfs_state *st)
-{
-        struct netfs_trans_dst *dst, *tmp, *ret = NULL;
-
-        spin_lock(&t->dst_lock);
-        list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) {
-                if (dst->state == st) {
-                        ret = dst;
-                        list_del(&dst->trans_entry);
-                        break;
-                }
-        }
-        spin_unlock(&t->dst_lock);
-
-        if (ret)
-                netfs_trans_remove_dst(ret);
-}
-
-/*
- * This drops destination transaction entry from appropriate network state
- * tree and drops related reference counter. It is possible that transaction
- * will be freed here if its reference counter hits zero.
- * Destination transaction entry will be freed.
- */
-void netfs_trans_drop_last(struct netfs_trans *t, struct netfs_state *st)
-{
-        struct netfs_trans_dst *dst, *tmp, *ret;
-
-        spin_lock(&t->dst_lock);
-        ret = list_entry(t->dst_list.prev, struct netfs_trans_dst, trans_entry);
-        if (ret->state != st) {
-                ret = NULL;
-                list_for_each_entry_safe(dst, tmp, &t->dst_list, trans_entry) {
-                        if (dst->state == st) {
-                                ret = dst;
-                                list_del_init(&dst->trans_entry);
-                                break;
-                        }
-                }
-        } else {
-                list_del(&ret->trans_entry);
-        }
-        spin_unlock(&t->dst_lock);
-
-        if (ret)
-                netfs_trans_remove_dst(ret);
-}
-
-static int netfs_trans_push(struct netfs_trans *t, struct netfs_state *st)
-{
-        int err;
-
-        err = netfs_trans_push_dst(t, st);
-        if (err)
-                return err;
-
-        err = netfs_trans_send(t, st);
-        if (err)
-                goto err_out_free;
-
-        if (t->flags & NETFS_TRANS_SINGLE_DST)
-                pohmelfs_switch_active(st->psb);
-
-        return 0;
-
-err_out_free:
-        t->result = err;
-        netfs_trans_drop_last(t, st);
-
-        return err;
-}
-
-int netfs_trans_finish_send(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-        struct pohmelfs_config *c;
-        int err = -ENODEV;
-        struct netfs_state *st;
-#if 0
-        dprintk("%s: t: %p, gen: %u, size: %u, page_num: %u, active: %p.\n",
-                __func__, t, t->gen, t->iovec.iov_len, t->page_num, psb->active_state);
-#endif
-        mutex_lock(&psb->state_lock);
-        list_for_each_entry(c, &psb->state_list, config_entry) {
-                st = &c->state;
-
-                if (t->flags & NETFS_TRANS_SINGLE_DST) {
-                        if (!(st->ctl.perm & POHMELFS_IO_PERM_READ))
-                                continue;
-                } else {
-                        if (!(st->ctl.perm & POHMELFS_IO_PERM_WRITE))
-                                continue;
-                }
-
-                if (psb->active_state && (psb->active_state->state.ctl.prio >= st->ctl.prio) &&
-                                (t->flags & NETFS_TRANS_SINGLE_DST))
-                        st = &psb->active_state->state;
-
-                err = netfs_trans_push(t, st);
-                if (!err && (t->flags & NETFS_TRANS_SINGLE_DST))
-                        break;
-        }
-
-        mutex_unlock(&psb->state_lock);
-#if 0
-        dprintk("%s: fully sent t: %p, gen: %u, size: %u, page_num: %u, err: %d.\n",
-                __func__, t, t->gen, t->iovec.iov_len, t->page_num, err);
-#endif
-        if (err)
-                t->result = err;
-        return err;
-}
-
-int netfs_trans_finish(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-        int err;
-        struct netfs_cmd *cmd = t->iovec.iov_base;
-
-        t->gen = atomic_inc_return(&psb->trans_gen);
-
-        cmd->size = t->iovec.iov_len - sizeof(struct netfs_cmd) +
-                t->attached_size + t->attached_pages * sizeof(struct netfs_cmd);
-        cmd->cmd = NETFS_TRANS;
-        cmd->start = t->gen;
-        cmd->id = 0;
-
-        if (psb->perform_crypto) {
-                cmd->ext = psb->crypto_attached_size;
-                cmd->csize = psb->crypto_attached_size;
-        }
-
-        dprintk("%s: t: %u, size: %u, iov_len: %zu, attached_size: %u, attached_pages: %u.\n",
-                        __func__, t->gen, cmd->size, t->iovec.iov_len, t->attached_size, t->attached_pages);
-        err = pohmelfs_trans_crypt(t, psb);
-        if (err) {
-                t->result = err;
-                netfs_convert_cmd(cmd);
-                dprintk("%s: trans: %llu, crypto_attached_size: %u, attached_size: %u, attached_pages: %d, trans_size: %u, err: %d.\n",
-                        __func__, cmd->start, psb->crypto_attached_size, t->attached_size, t->attached_pages, cmd->size, err);
-        }
-        netfs_trans_put(t);
-        return err;
-}
-
-/*
- * Resend transaction to remote server(s).
- * If new servers were added into superblock, we can try to send data
- * to them too.
- *
- * It is called under superblock's state_lock, so we can safely
- * dereference psb->state_list. Also, transaction's reference counter is
- * bumped, so it can not go away under us, thus we can safely access all
- * its members. State is locked.
- *
- * This function returns 0 if transaction was successfully sent to at
- * least one destination target.
- */
-int netfs_trans_resend(struct netfs_trans *t, struct pohmelfs_sb *psb)
-{
-        struct netfs_trans_dst *dst;
-        struct netfs_state *st;
-        struct pohmelfs_config *c;
-        int err, exist, error = -ENODEV;
-
-        list_for_each_entry(c, &psb->state_list, config_entry) {
-                st = &c->state;
-
-                exist = 0;
-                spin_lock(&t->dst_lock);
-                list_for_each_entry(dst, &t->dst_list, trans_entry) {
-                        if (st == dst->state) {
-                                exist = 1;
-                                break;
-                        }
-                }
-                spin_unlock(&t->dst_lock);
-
-                if (exist) {
-                        if (!(t->flags & NETFS_TRANS_SINGLE_DST) ||
-                                        (c->config_entry.next == &psb->state_list)) {
-                                dprintk("%s: resending st: %p, t: %p, gen: %u.\n",
-                                                __func__, st, t, t->gen);
-                                err = netfs_trans_send(t, st);
-                                if (!err)
-                                        error = 0;
-                        }
-                        continue;
-                }
-
-                dprintk("%s: pushing/resending st: %p, t: %p, gen: %u.\n",
-                                __func__, st, t, t->gen);
-                err = netfs_trans_push(t, st);
-                if (err)
-                        continue;
-                error = 0;
-                if (t->flags & NETFS_TRANS_SINGLE_DST)
-                        break;
-        }
-
-        t->result = error;
-        return error;
-}
-
-void *netfs_trans_add(struct netfs_trans *t, unsigned int size)
-{
-        struct iovec *io = &t->iovec;
-        void *ptr;
-
-        if (size > t->total_size) {
-                ptr = ERR_PTR(-EINVAL);
-                goto out;
-        }
-
-        if (io->iov_len + size > t->total_size) {
-                dprintk("%s: too big size t: %p, gen: %u, iov_len: %zu, size: %u, total: %u.\n",
-                                __func__, t, t->gen, io->iov_len, size, t->total_size);
-                ptr = ERR_PTR(-E2BIG);
-                goto out;
-        }
-
-        ptr = io->iov_base + io->iov_len;
-        io->iov_len += size;
-
-out:
-        dprintk("%s: t: %p, gen: %u, size: %u, total: %zu.\n",
-                __func__, t, t->gen, size, io->iov_len);
-        return ptr;
-}
-
-void netfs_trans_free(struct netfs_trans *t)
-{
-        if (t->eng)
-                pohmelfs_crypto_thread_make_ready(t->eng->thread);
-        kfree(t);
-}
-
-struct netfs_trans *netfs_trans_alloc(struct pohmelfs_sb *psb, unsigned int size,
-                unsigned int flags, unsigned int nr)
-{
-        struct netfs_trans *t;
-        unsigned int num, cont, pad, size_no_trans;
-        unsigned int crypto_added = 0;
-        struct netfs_cmd *cmd;
-
-        if (psb->perform_crypto)
-                crypto_added = psb->crypto_attached_size;
-
-        /*
-         * |sizeof(struct netfs_trans)|
-         * |sizeof(struct netfs_cmd)| - transaction header
-         * |size| - buffer with requested size
-         * |padding| - crypto padding, zero bytes
-         * |nr * sizeof(struct page *)| - array of page pointers
-         *
-         * Overall size should be less than PAGE_SIZE for guaranteed allocation.
-         */
-
-        cont = size;
-        size = ALIGN(size, psb->crypto_align_size);
-        pad = size - cont;
-
-        size_no_trans = size + sizeof(struct netfs_cmd) * 2 + crypto_added;
-
-        cont = sizeof(struct netfs_trans) + size_no_trans;
-
-        num = (PAGE_SIZE - cont)/sizeof(struct page *);
-
-        if (nr > num)
-                nr = num;
-
-        t = kzalloc(cont + nr*sizeof(struct page *), GFP_NOIO);
-        if (!t)
-                goto err_out_exit;
-
-        t->iovec.iov_base = (void *)(t + 1);
-        t->pages = (struct page **)(t->iovec.iov_base + size_no_trans);
-
-        /*
-         * Reserving space for transaction header.
-         */
-        t->iovec.iov_len = sizeof(struct netfs_cmd) + crypto_added;
-
-        netfs_trans_init_static(t, nr, size_no_trans);
-
-        t->flags = flags;
-        t->psb = psb;
-
-        cmd = (struct netfs_cmd *)t->iovec.iov_base;
-
-        cmd->size = size;
-        cmd->cpad = pad;
-        cmd->csize = crypto_added;
-
-        dprintk("%s: t: %p, gen: %u, size: %u, padding: %u, align_size: %u, flags: %x, "
-                        "page_num: %u, base: %p, pages: %p.\n",
-                        __func__, t, t->gen, size, pad, psb->crypto_align_size, flags, nr,
-                        t->iovec.iov_base, t->pages);
-
-        return t;
-
-err_out_exit:
-        return NULL;
-}
-
-int netfs_trans_init(void)
-{
-        int err = -ENOMEM;
-
-        netfs_trans_dst = kmem_cache_create("netfs_trans_dst", sizeof(struct netfs_trans_dst),
-                        0, 0, NULL);
-        if (!netfs_trans_dst)
-                goto err_out_exit;
-
-        netfs_trans_dst_pool = mempool_create_slab_pool(256, netfs_trans_dst);
-        if (!netfs_trans_dst_pool)
-                goto err_out_free;
-
-        return 0;
-
-err_out_free:
-        kmem_cache_destroy(netfs_trans_dst);
-err_out_exit:
-        return err;
-}
-
-void netfs_trans_exit(void)
-{
-        mempool_destroy(netfs_trans_dst_pool);
-        kmem_cache_destroy(netfs_trans_dst);
-}
diff --git a/drivers/staging/rtl8712/drv_types.h b/drivers/staging/rtl8712/drv_types.h
index 9b5d771e650c..ed85b4415207 100644
--- a/drivers/staging/rtl8712/drv_types.h
+++ b/drivers/staging/rtl8712/drv_types.h
@@ -37,6 +37,8 @@ struct _adapter;
 #include "wlan_bssdef.h"
 #include "rtl8712_spec.h"
 #include "rtl8712_hal.h"
+#include <linux/mutex.h>
+#include <linux/completion.h>
 
 enum _NIC_VERSION {
         RTL8711_NIC,
@@ -168,6 +170,7 @@ struct _adapter {
         s32     bSurpriseRemoved;
         u32     IsrContent;
         u32     ImrContent;
+        bool    fw_found;
         u8      EepromAddressSize;
         u8      hw_init_completed;
         struct task_struct *cmdThread;
@@ -184,6 +187,10 @@ struct _adapter {
         _workitem wkFilterRxFF0;
         u8 blnEnableRxFF0Filter;
         spinlock_t lockRxFF0Filter;
+        const struct firmware *fw;
+        struct usb_interface *pusb_intf;
+        struct mutex mutex_start;
+        struct completion rtl8712_fw_ready;
 };
 
 static inline u8 *myid(struct eeprom_priv *peepriv)
diff --git a/drivers/staging/rtl8712/hal_init.c b/drivers/staging/rtl8712/hal_init.c
index d0029aa4cd3c..cc893c0f5ad3 100644
--- a/drivers/staging/rtl8712/hal_init.c
+++ b/drivers/staging/rtl8712/hal_init.c
@@ -42,29 +42,56 @@
 #define FWBUFF_ALIGN_SZ 512
 #define MAX_DUMP_FWSZ   49152 /*default = 49152 (48k)*/
 
-static u32 rtl871x_open_fw(struct _adapter *padapter, void **pphfwfile_hdl,
-                    const u8 **ppmappedfw)
+static void rtl871x_load_fw_cb(const struct firmware *firmware, void *context)
 {
+        struct _adapter *padapter = context;
+
+        complete(&padapter->rtl8712_fw_ready);
+        if (!firmware) {
+                struct usb_device *udev = padapter->dvobjpriv.pusbdev;
+                struct usb_interface *pusb_intf = padapter->pusb_intf;
+                printk(KERN_ERR "r8712u: Firmware request failed\n");
+                padapter->fw_found = false;
+                usb_put_dev(udev);
+                usb_set_intfdata(pusb_intf, NULL);
+                return;
+        }
+        padapter->fw = firmware;
+        padapter->fw_found = true;
+        /* firmware available - start netdev */
+        register_netdev(padapter->pnetdev);
+}
+
+static const char firmware_file[] = "rtlwifi/rtl8712u.bin";
+
+int rtl871x_load_fw(struct _adapter *padapter)
+{
+        struct device *dev = &padapter->dvobjpriv.pusbdev->dev;
         int rc;
-        const char firmware_file[] = "rtlwifi/rtl8712u.bin";
-        const struct firmware **praw = (const struct firmware **)
-                                       (pphfwfile_hdl);
-        struct dvobj_priv *pdvobjpriv = (struct dvobj_priv *)
-                                        (&padapter->dvobjpriv);
-        struct usb_device *pusbdev = pdvobjpriv->pusbdev;
 
+        init_completion(&padapter->rtl8712_fw_ready);
         printk(KERN_INFO "r8712u: Loading firmware from \"%s\"\n",
                firmware_file);
-        rc = request_firmware(praw, firmware_file, &pusbdev->dev);
-        if (rc < 0) {
-                printk(KERN_ERR "r8712u: Unable to load firmware\n");
-                printk(KERN_ERR "r8712u: Install latest linux-firmware\n");
+        rc = request_firmware_nowait(THIS_MODULE, 1, firmware_file, dev,
+                                     GFP_KERNEL, padapter, rtl871x_load_fw_cb);
+        if (rc)
+                printk(KERN_ERR "r8712u: Firmware request error %d\n", rc);
+        return rc;
+}
+MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
+
+static u32 rtl871x_open_fw(struct _adapter *padapter, const u8 **ppmappedfw)
+{
+        const struct firmware **praw = &padapter->fw;
+
+        if (padapter->fw->size > 200000) {
+                printk(KERN_ERR "r8172u: Badfw->size of %d\n",
+                       (int)padapter->fw->size);
                 return 0;
         }
         *ppmappedfw = (u8 *)((*praw)->data);
         return (*praw)->size;
 }
-MODULE_FIRMWARE("rtlwifi/rtl8712u.bin");
 
 static void fill_fwpriv(struct _adapter *padapter, struct fw_priv *pfwpriv)
 {
@@ -142,18 +169,17 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
         uint dump_imem_sz, imem_sz, dump_emem_sz, emem_sz; /* max = 49152; */
         struct fw_hdr fwhdr;
         u32 ulfilelength;       /* FW file size */
-        void *phfwfile_hdl = NULL;
         const u8 *pmappedfw = NULL;
         u8 *ptmpchar = NULL, *ppayload, *ptr;
         struct tx_desc *ptx_desc;
         u32 txdscp_sz = sizeof(struct tx_desc);
         u8 ret = _FAIL;
 
-        ulfilelength = rtl871x_open_fw(padapter, &phfwfile_hdl, &pmappedfw);
+        ulfilelength = rtl871x_open_fw(padapter, &pmappedfw);
         if (pmappedfw && (ulfilelength > 0)) {
                 update_fwhdr(&fwhdr, pmappedfw);
                 if (chk_fwhdr(&fwhdr, ulfilelength) == _FAIL)
-                        goto firmware_rel;
+                        return ret;
                 fill_fwpriv(padapter, &fwhdr.fwpriv);
                 /* firmware check ok */
                 maxlen = (fwhdr.img_IMEM_size > fwhdr.img_SRAM_size) ?
@@ -161,7 +187,7 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
                 maxlen += txdscp_sz;
                 ptmpchar = _malloc(maxlen + FWBUFF_ALIGN_SZ);
                 if (ptmpchar == NULL)
-                        goto firmware_rel;
+                        return ret;
 
                 ptx_desc = (struct tx_desc *)(ptmpchar + FWBUFF_ALIGN_SZ -
                             ((addr_t)(ptmpchar) & (FWBUFF_ALIGN_SZ - 1)));
@@ -297,8 +323,6 @@ static u8 rtl8712_dl_fw(struct _adapter *padapter)
 
 exit_fail:
         kfree(ptmpchar);
-firmware_rel:
-        release_firmware((struct firmware *)phfwfile_hdl);
         return ret;
 }
 
diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index 9a75c6dbe505..98a3d684f9b2 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -31,6 +31,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/kthread.h>
+#include <linux/firmware.h>
 #include "osdep_service.h"
 #include "drv_types.h"
 #include "xmit_osdep.h"
@@ -264,12 +265,12 @@ static void start_drv_timers(struct _adapter *padapter)
 void r8712_stop_drv_timers(struct _adapter *padapter)
 {
         _cancel_timer_ex(&padapter->mlmepriv.assoc_timer);
-        _cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl.
-                         sitesurvey_ctrl_timer);
         _cancel_timer_ex(&padapter->securitypriv.tkip_timer);
         _cancel_timer_ex(&padapter->mlmepriv.scan_to_timer);
         _cancel_timer_ex(&padapter->mlmepriv.dhcp_timer);
         _cancel_timer_ex(&padapter->mlmepriv.wdg_timer);
+        _cancel_timer_ex(&padapter->mlmepriv.sitesurveyctrl.
+                         sitesurvey_ctrl_timer);
 }
 
 static u8 init_default_value(struct _adapter *padapter)
@@ -347,7 +348,8 @@ u8 r8712_free_drv_sw(struct _adapter *padapter)
         r8712_free_mlme_priv(&padapter->mlmepriv);
         r8712_free_io_queue(padapter);
         _free_xmit_priv(&padapter->xmitpriv);
-        _r8712_free_sta_priv(&padapter->stapriv);
+        if (padapter->fw_found)
+                _r8712_free_sta_priv(&padapter->stapriv);
         _r8712_free_recv_priv(&padapter->recvpriv);
         mp871xdeinit(padapter);
         if (pnetdev)
@@ -388,6 +390,7 @@ static int netdev_open(struct net_device *pnetdev)
 {
         struct _adapter *padapter = (struct _adapter *)netdev_priv(pnetdev);
 
+        mutex_lock(&padapter->mutex_start);
         if (padapter->bup == false) {
                 padapter->bDriverStopped = false;
                 padapter->bSurpriseRemoved = false;
@@ -435,11 +438,13 @@ static int netdev_open(struct net_device *pnetdev)
         /* start driver mlme relation timer */
         start_drv_timers(padapter);
         padapter->ledpriv.LedControlHandler(padapter, LED_CTL_NO_LINK);
+        mutex_unlock(&padapter->mutex_start);
         return 0;
 netdev_open_error:
         padapter->bup = false;
         netif_carrier_off(pnetdev);
         netif_stop_queue(pnetdev);
+        mutex_unlock(&padapter->mutex_start);
         return -1;
 }
 
@@ -473,6 +478,9 @@ static int netdev_close(struct net_device *pnetdev)
         r8712_free_network_queue(padapter);
         /* The interface is no longer Up: */
         padapter->bup = false;
+        release_firmware(padapter->fw);
+        /* never exit with a firmware callback pending */
+        wait_for_completion(&padapter->rtl8712_fw_ready);
         return 0;
 }
 
diff --git a/drivers/staging/rtl8712/rtl8712_hal.h b/drivers/staging/rtl8712/rtl8712_hal.h
index 665e71838172..d19865a5a50c 100644
--- a/drivers/staging/rtl8712/rtl8712_hal.h
+++ b/drivers/staging/rtl8712/rtl8712_hal.h
@@ -145,5 +145,6 @@ struct hal_priv {
 };
 
 uint     rtl8712_hal_init(struct _adapter *padapter);
+int rtl871x_load_fw(struct _adapter *padapter);
 
 #endif
diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
index 64f569618839..81bde803c59f 100644
--- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c
+++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
@@ -43,6 +43,7 @@ static void _init_stainfo(struct sta_info *psta)
         _r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
         _r8712_init_sta_recv_priv(&psta->sta_recvpriv);
 #ifdef CONFIG_R8712_AP
+        _init_listhead(&psta->asoc_list);
         _init_listhead(&psta->auth_list);
 #endif
 }
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index 5385da2e9cdb..9bade184883b 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -89,6 +89,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
         {USB_DEVICE(0x0DF6, 0x0045)},
         {USB_DEVICE(0x0DF6, 0x0059)}, /* 11n mode disable */
         {USB_DEVICE(0x0DF6, 0x004B)},
+        {USB_DEVICE(0x0DF6, 0x005B)},
         {USB_DEVICE(0x0DF6, 0x005D)},
         {USB_DEVICE(0x0DF6, 0x0063)},
         /* Sweex */
@@ -389,6 +390,7 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
         pdvobjpriv = &padapter->dvobjpriv;
         pdvobjpriv->padapter = padapter;
         padapter->dvobjpriv.pusbdev = udev;
+        padapter->pusb_intf = pusb_intf;
         usb_set_intfdata(pusb_intf, pnetdev);
         SET_NETDEV_DEV(pnetdev, &pusb_intf->dev);
         /* step 2. */
@@ -595,10 +597,11 @@ static int r871xu_drv_init(struct usb_interface *pusb_intf,
                                "%pM\n", mac);
                 memcpy(pnetdev->dev_addr, mac, ETH_ALEN);
         }
-        /* step 6. Tell the network stack we exist */
-        if (register_netdev(pnetdev) != 0)
+        /* step 6. Load the firmware asynchronously */
+        if (rtl871x_load_fw(padapter))
                 goto error;
         spin_lock_init(&padapter->lockRxFF0Filter);
+        mutex_init(&padapter->mutex_start);
         return 0;
 error:
         usb_put_dev(udev);
@@ -629,7 +632,8 @@ static void r871xu_dev_remove(struct usb_interface *pusb_intf)
                 flush_scheduled_work();
                 udelay(1);
                 /*Stop driver mlme relation timer */
-                r8712_stop_drv_timers(padapter);
+                if (padapter->fw_found)
+                        r8712_stop_drv_timers(padapter);
                 r871x_dev_unload(padapter);
                 r8712_free_drv_sw(padapter);
         }
diff --git a/drivers/staging/tidspbridge/core/tiomap3430.c b/drivers/staging/tidspbridge/core/tiomap3430.c
index e1c4492a7105..dde559d06c43 100644
--- a/drivers/staging/tidspbridge/core/tiomap3430.c
+++ b/drivers/staging/tidspbridge/core/tiomap3430.c
@@ -1046,8 +1046,6 @@ static int bridge_dev_destroy(struct bridge_dev_context *dev_ctxt)
 
         /* Free the driver's device context: */
         kfree(drv_datap->base_img);
-        kfree(drv_datap);
-        dev_set_drvdata(bridge, NULL);
         kfree((void *)dev_ctxt);
         return status;
 }
diff --git a/drivers/staging/tidspbridge/rmgr/drv_interface.c b/drivers/staging/tidspbridge/rmgr/drv_interface.c
index 76cfc6edecd9..385740bad0de 100644
--- a/drivers/staging/tidspbridge/rmgr/drv_interface.c
+++ b/drivers/staging/tidspbridge/rmgr/drv_interface.c
@@ -410,6 +410,9 @@ static int __devexit omap34_xx_bridge_remove(struct platform_device *pdev)
                 DBC_ASSERT(ret == true);
         }
 
+        kfree(drv_datap);
+        dev_set_drvdata(bridge, NULL);
+
 func_cont:
         mem_ext_phys_pool_release();
 
@@ -500,35 +503,42 @@ static int bridge_open(struct inode *ip, struct file *filp)
         }
 #endif
         pr_ctxt = kzalloc(sizeof(struct process_context), GFP_KERNEL);
-        if (pr_ctxt) {
-                pr_ctxt->res_state = PROC_RES_ALLOCATED;
-                spin_lock_init(&pr_ctxt->dmm_map_lock);
-                INIT_LIST_HEAD(&pr_ctxt->dmm_map_list);
-                spin_lock_init(&pr_ctxt->dmm_rsv_lock);
-                INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list);
-
-                pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
-                if (pr_ctxt->node_id) {
-                        idr_init(pr_ctxt->node_id);
-                } else {
-                        status = -ENOMEM;
-                        goto err;
-                }
+        if (!pr_ctxt)
+                return -ENOMEM;
+
+        pr_ctxt->res_state = PROC_RES_ALLOCATED;
+        spin_lock_init(&pr_ctxt->dmm_map_lock);
+        INIT_LIST_HEAD(&pr_ctxt->dmm_map_list);
+        spin_lock_init(&pr_ctxt->dmm_rsv_lock);
+        INIT_LIST_HEAD(&pr_ctxt->dmm_rsv_list);
 
-                pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
-                if (pr_ctxt->stream_id)
-                        idr_init(pr_ctxt->stream_id);
-                else
-                        status = -ENOMEM;
-        } else {
+        pr_ctxt->node_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
+        if (!pr_ctxt->node_id) {
                 status = -ENOMEM;
+                goto err1;
         }
-err:
+
+        idr_init(pr_ctxt->node_id);
+
+        pr_ctxt->stream_id = kzalloc(sizeof(struct idr), GFP_KERNEL);
+        if (!pr_ctxt->stream_id) {
+                status = -ENOMEM;
+                goto err2;
+        }
+
+        idr_init(pr_ctxt->stream_id);
+
         filp->private_data = pr_ctxt;
+
 #ifdef CONFIG_TIDSPBRIDGE_RECOVERY
-        if (!status)
-                atomic_inc(&bridge_cref);
+        atomic_inc(&bridge_cref);
 #endif
+        return 0;
+
+err2:
+        kfree(pr_ctxt->node_id);
+err1:
+        kfree(pr_ctxt);
         return status;
 }
 
@@ -550,6 +560,8 @@ static int bridge_release(struct inode *ip, struct file *filp)
         flush_signals(current);
         drv_remove_all_resources(pr_ctxt);
         proc_detach(pr_ctxt);
+        kfree(pr_ctxt->node_id);
+        kfree(pr_ctxt->stream_id);
         kfree(pr_ctxt);
 
         filp->private_data = NULL;
diff --git a/drivers/staging/usbip/stub_main.c b/drivers/staging/usbip/stub_main.c
index 2d6317850064..705a9e530a19 100644
--- a/drivers/staging/usbip/stub_main.c
+++ b/drivers/staging/usbip/stub_main.c
@@ -246,8 +246,9 @@ static int __init usbip_host_init(void)
 {
         int ret;
 
-        stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN);
+        init_busid_table();
 
+        stub_priv_cache = KMEM_CACHE(stub_priv, SLAB_HWCACHE_ALIGN);
         if (!stub_priv_cache) {
                 pr_err("kmem_cache_create failed\n");
                 return -ENOMEM;
@@ -266,7 +267,6 @@ static int __init usbip_host_init(void)
                 goto err_create_file;
         }
 
-        init_busid_table();
         pr_info(DRIVER_DESC " v" USBIP_VERSION "\n");
         return ret;
 
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index 642840c612ac..ef7c52bb1df9 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -358,8 +358,8 @@ static struct zbud_hdr *zbud_create(uint16_t client_id, uint16_t pool_id,
         if (unlikely(zbpg == NULL))
                 goto out;
         /* ok, have a page, now compress the data before taking locks */
-        spin_lock(&zbpg->lock);
         spin_lock(&zbud_budlists_spinlock);
+        spin_lock(&zbpg->lock);
         list_add_tail(&zbpg->bud_list, &zbud_unbuddied[nchunks].list);
         zbud_unbuddied[nchunks].count++;
         zh = &zbpg->buddy[0];
@@ -389,12 +389,11 @@ init_zh:
         zh->oid = *oid;
         zh->pool_id = pool_id;
         zh->client_id = client_id;
-        /* can wait to copy the data until the list locks are dropped */
-        spin_unlock(&zbud_budlists_spinlock);
-
         to = zbud_data(zh, size);
         memcpy(to, cdata, size);
         spin_unlock(&zbpg->lock);
+        spin_unlock(&zbud_budlists_spinlock);
+
         zbud_cumul_chunk_counts[nchunks]++;
         atomic_inc(&zcache_zbud_curr_zpages);
         zcache_zbud_cumul_zpages++;
@@ -655,8 +654,8 @@ static unsigned int zv_max_zsize = (PAGE_SIZE / 8) * 7;
  */
 static unsigned int zv_max_mean_zsize = (PAGE_SIZE / 8) * 5;
 
-static unsigned long zv_curr_dist_counts[NCHUNKS];
-static unsigned long zv_cumul_dist_counts[NCHUNKS];
+static atomic_t zv_curr_dist_counts[NCHUNKS];
+static atomic_t zv_cumul_dist_counts[NCHUNKS];
 
 static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
                                 struct tmem_oid *oid, uint32_t index,
@@ -675,8 +674,8 @@ static struct zv_hdr *zv_create(struct xv_pool *xvpool, uint32_t pool_id,
                         &page, &offset, ZCACHE_GFP_MASK);
         if (unlikely(ret))
                 goto out;
-        zv_curr_dist_counts[chunks]++;
-        zv_cumul_dist_counts[chunks]++;
+        atomic_inc(&zv_curr_dist_counts[chunks]);
+        atomic_inc(&zv_cumul_dist_counts[chunks]);
         zv = kmap_atomic(page, KM_USER0) + offset;
         zv->index = index;
         zv->oid = *oid;
@@ -698,7 +697,7 @@ static void zv_free(struct xv_pool *xvpool, struct zv_hdr *zv)
 
         ASSERT_SENTINEL(zv, ZVH);
         BUG_ON(chunks >= NCHUNKS);
-        zv_curr_dist_counts[chunks]--;
+        atomic_dec(&zv_curr_dist_counts[chunks]);
         size -= sizeof(*zv);
         BUG_ON(size == 0);
         INVERT_SENTINEL(zv, ZVH);
@@ -738,7 +737,7 @@ static int zv_curr_dist_counts_show(char *buf)
         char *p = buf;
 
         for (i = 0; i < NCHUNKS; i++) {
-                n = zv_curr_dist_counts[i];
+                n = atomic_read(&zv_curr_dist_counts[i]);
                 p += sprintf(p, "%lu ", n);
                 chunks += n;
                 sum_total_chunks += i * n;
@@ -754,7 +753,7 @@ static int zv_cumul_dist_counts_show(char *buf)
         char *p = buf;
 
         for (i = 0; i < NCHUNKS; i++) {
-                n = zv_cumul_dist_counts[i];
+                n = atomic_read(&zv_cumul_dist_counts[i]);
                 p += sprintf(p, "%lu ", n);
                 chunks += n;
                 sum_total_chunks += i * n;
@@ -1782,9 +1781,9 @@ static int zcache_frontswap_poolid = -1;
  * Swizzling increases objects per swaptype, increasing tmem concurrency
  * for heavy swaploads.  Later, larger nr_cpus -> larger SWIZ_BITS
  * Setting SWIZ_BITS to 27 basically reconstructs the swap entry from
- * frontswap_get_page()
+ * frontswap_get_page(), but has side-effects. Hence using 8.
  */
-#define SWIZ_BITS               27
+#define SWIZ_BITS               8
 #define SWIZ_MASK               ((1 << SWIZ_BITS) - 1)
 #define _oswiz(_type, _ind)     ((_type << SWIZ_BITS) | (_ind & SWIZ_MASK))
 #define iswiz(_ind)             (_ind >> SWIZ_BITS)
diff --git a/drivers/tty/serial/8250/8250.c b/drivers/tty/serial/8250/8250.c
index 9f50c4e3c2be..9b7336fcfbb3 100644
--- a/drivers/tty/serial/8250/8250.c
+++ b/drivers/tty/serial/8250/8250.c
@@ -45,7 +45,7 @@
 #include "8250.h"
 
 #ifdef CONFIG_SPARC
-#include "suncore.h"
+#include "../suncore.h"
 #endif
 
 /*
diff --git a/drivers/tty/serial/8250/m32r_sio.c b/drivers/tty/serial/m32r_sio.c
index 94a6792bf97b..94a6792bf97b 100644
--- a/drivers/tty/serial/8250/m32r_sio.c
+++ b/drivers/tty/serial/m32r_sio.c
diff --git a/drivers/tty/serial/8250/m32r_sio.h b/drivers/tty/serial/m32r_sio.h
index e9b7e11793b1..e9b7e11793b1 100644
--- a/drivers/tty/serial/8250/m32r_sio.h
+++ b/drivers/tty/serial/m32r_sio.h
diff --git a/drivers/tty/serial/8250/m32r_sio_reg.h b/drivers/tty/serial/m32r_sio_reg.h
index 4671473793e3..4671473793e3 100644
--- a/drivers/tty/serial/8250/m32r_sio_reg.h
+++ b/drivers/tty/serial/m32r_sio_reg.h
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 1c2426931484..f80904145fd4 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c
@@ -46,6 +46,13 @@
 
 #define DEFAULT_CLK_SPEED 48000000 /* 48Mhz*/
 
+/* SCR register bitmasks */
+#define OMAP_UART_SCR_RX_TRIG_GRANU1_MASK               (1 << 7)
+
+/* FCR register bitmasks */
+#define OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT                6
+#define OMAP_UART_FCR_RX_FIFO_TRIG_MASK                 (0x3 << 6)
+
 static struct uart_omap_port *ui[OMAP_MAX_HSUART_PORTS];
 
 /* Forward declaration of functions */
@@ -129,6 +136,7 @@ static void serial_omap_enable_ms(struct uart_port *port)
 static void serial_omap_stop_tx(struct uart_port *port)
 {
         struct uart_omap_port *up = (struct uart_omap_port *)port;
+        struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
 
         if (up->use_dma &&
                 up->uart_dma.tx_dma_channel != OMAP_UART_DMA_CH_FREE) {
@@ -151,6 +159,9 @@ static void serial_omap_stop_tx(struct uart_port *port)
                 serial_out(up, UART_IER, up->ier);
         }
 
+        if (!up->use_dma && pdata->set_forceidle)
+                pdata->set_forceidle(up->pdev);
+
         pm_runtime_mark_last_busy(&up->pdev->dev);
         pm_runtime_put_autosuspend(&up->pdev->dev);
 }
@@ -279,6 +290,7 @@ static inline void serial_omap_enable_ier_thri(struct uart_omap_port *up)
 static void serial_omap_start_tx(struct uart_port *port)
 {
         struct uart_omap_port *up = (struct uart_omap_port *)port;
+        struct omap_uart_port_info *pdata = up->pdev->dev.platform_data;
         struct circ_buf *xmit;
         unsigned int start;
         int ret = 0;
@@ -286,6 +298,8 @@ static void serial_omap_start_tx(struct uart_port *port)
         if (!up->use_dma) {
                 pm_runtime_get_sync(&up->pdev->dev);
                 serial_omap_enable_ier_thri(up);
+                if (pdata->set_noidle)
+                        pdata->set_noidle(up->pdev);
                 pm_runtime_mark_last_busy(&up->pdev->dev);
                 pm_runtime_put_autosuspend(&up->pdev->dev);
                 return;
@@ -726,8 +740,7 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
         quot = serial_omap_get_divisor(port, baud);
 
         /* calculate wakeup latency constraint */
-        up->calc_latency = (1000000 * up->port.fifosize) /
-                                (1000 * baud / 8);
+        up->calc_latency = (USEC_PER_SEC * up->port.fifosize) / (baud / 8);
         up->latency = up->calc_latency;
         schedule_work(&up->qos_work);
 
@@ -811,14 +824,21 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios,
         up->mcr = serial_in(up, UART_MCR);
         serial_out(up, UART_MCR, up->mcr | UART_MCR_TCRTLR);
         /* FIFO ENABLE, DMA MODE */
-        serial_out(up, UART_FCR, up->fcr);
-        serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
+
+        up->scr |= OMAP_UART_SCR_RX_TRIG_GRANU1_MASK;
 
         if (up->use_dma) {
                 serial_out(up, UART_TI752_TLR, 0);
-                up->scr |= (UART_FCR_TRIGGER_4 | UART_FCR_TRIGGER_8);
+                up->scr |= UART_FCR_TRIGGER_4;
+        } else {
+                /* Set receive FIFO threshold to 1 byte */
+                up->fcr &= ~OMAP_UART_FCR_RX_FIFO_TRIG_MASK;
+                up->fcr |= (0x1 << OMAP_UART_FCR_RX_FIFO_TRIG_SHIFT);
         }
 
+        serial_out(up, UART_FCR, up->fcr);
+        serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B);
+
         serial_out(up, UART_OMAP_SCR, up->scr);
 
         serial_out(up, UART_EFR, up->efr);
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index f96f37b5fec6..c55e5fb16fa3 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -1593,7 +1593,8 @@ static struct s3c24xx_serial_drv_data s5pv210_serial_drv_data = {
 #define S5PV210_SERIAL_DRV_DATA (kernel_ulong_t)NULL
 #endif
 
-#ifdef CONFIG_CPU_EXYNOS4210
+#if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212) || \
+        defined(CONFIG_SOC_EXYNOS4412) || defined(CONFIG_SOC_EXYNOS5250)
 static struct s3c24xx_serial_drv_data exynos4210_serial_drv_data = {
         .info = &(struct s3c24xx_uart_info) {
                 .name           = "Samsung Exynos4 UART",
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index 6d87f288df4e..2c0cd824c667 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -418,7 +418,7 @@ int __init loopback_add(struct usb_composite_dev *cdev, bool autoresume)
 
         /* support autoresume for remote wakeup testing */
         if (autoresume)
-                sourcesink_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
+                loopback_driver.bmAttributes |= USB_CONFIG_ATT_WAKEUP;
 
         /* support OTG systems */
         if (gadget_is_otg(cdev->gadget)) {
diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig
index 91413cac97be..353cdd488b93 100644
--- a/drivers/usb/host/Kconfig
+++ b/drivers/usb/host/Kconfig
@@ -130,7 +130,7 @@ config USB_FSL_MPH_DR_OF
         tristate
 
 config USB_EHCI_FSL
-        bool "Support for Freescale on-chip EHCI USB controller"
+        bool "Support for Freescale PPC on-chip EHCI USB controller"
         depends on USB_EHCI_HCD && FSL_SOC
         select USB_EHCI_ROOT_HUB_TT
         select USB_FSL_MPH_DR_OF if OF
@@ -138,7 +138,7 @@ config USB_EHCI_FSL
           Variation of ARC USB block used in some Freescale chips.
 
 config USB_EHCI_MXC
-        bool "Support for Freescale on-chip EHCI USB controller"
+        bool "Support for Freescale i.MX on-chip EHCI USB controller"
         depends on USB_EHCI_HCD && ARCH_MXC
         select USB_EHCI_ROOT_HUB_TT
         ---help---
@@ -546,7 +546,7 @@ config USB_RENESAS_USBHS_HCD
 config USB_WHCI_HCD
         tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
         depends on EXPERIMENTAL
-        depends on PCI && USB
+        depends on PCI && USB && UWB
         select USB_WUSB
         select UWB_WHCI
         help
@@ -559,7 +559,7 @@ config USB_WHCI_HCD
 config USB_HWA_HCD
         tristate "Host Wire Adapter (HWA) driver (EXPERIMENTAL)"
         depends on EXPERIMENTAL
-        depends on USB
+        depends on USB && UWB
         select USB_WUSB
         select UWB_HWA
         help
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index b556a72264d1..c26a82e83f6e 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -239,7 +239,7 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
         ehci_writel(ehci, portsc, &ehci->regs->port_status[port_offset]);
 }
 
-static void ehci_fsl_usb_setup(struct ehci_hcd *ehci)
+static int ehci_fsl_usb_setup(struct ehci_hcd *ehci)
 {
         struct usb_hcd *hcd = ehci_to_hcd(ehci);
         struct fsl_usb2_platform_data *pdata;
@@ -299,12 +299,19 @@ static void ehci_fsl_usb_setup(struct ehci_hcd *ehci)
 #endif
                 out_be32(non_ehci + FSL_SOC_USB_SICTRL, 0x00000001);
         }
+
+        if (!(in_be32(non_ehci + FSL_SOC_USB_CTRL) & CTRL_PHY_CLK_VALID)) {
+                printk(KERN_WARNING "fsl-ehci: USB PHY clock invalid\n");
+                return -ENODEV;
+        }
+        return 0;
 }
 
 /* called after powerup, by probe or system-pm "wakeup" */
 static int ehci_fsl_reinit(struct ehci_hcd *ehci)
 {
-        ehci_fsl_usb_setup(ehci);
+        if (ehci_fsl_usb_setup(ehci))
+                return -ENODEV;
         ehci_port_power(ehci, 0);
 
         return 0;
diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h
index 491806221165..bdf43e2adc51 100644
--- a/drivers/usb/host/ehci-fsl.h
+++ b/drivers/usb/host/ehci-fsl.h
@@ -45,5 +45,6 @@
 #define FSL_SOC_USB_PRICTRL     0x40c   /* NOTE: big-endian */
 #define FSL_SOC_USB_SICTRL      0x410   /* NOTE: big-endian */
 #define FSL_SOC_USB_CTRL        0x500   /* NOTE: big-endian */
+#define CTRL_PHY_CLK_VALID      (1 << 17)
 #define SNOOP_SIZE_2GB          0x1e
 #endif                          /* _EHCI_FSL_H */
diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c
index caf87428ca43..ac53a662a6a3 100644
--- a/drivers/usb/host/pci-quirks.c
+++ b/drivers/usb/host/pci-quirks.c
@@ -867,6 +867,12 @@ hc_init:
 
 static void __devinit quirk_usb_early_handoff(struct pci_dev *pdev)
 {
+        /* Skip Netlogic mips SoC's internal PCI USB controller.
+         * This device does not need/support EHCI/OHCI handoff
+         */
+        if (pdev->vendor == 0x184e)     /* vendor Netlogic */
+                return;
+
         if (pdev->class == PCI_CLASS_SERIAL_USB_UHCI)
                 quirk_usb_handoff_uhci(pdev);
         else if (pdev->class == PCI_CLASS_SERIAL_USB_OHCI)
diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h
index e61aa95f2d2a..1d5eda26fbd1 100644
--- a/drivers/usb/musb/musb_io.h
+++ b/drivers/usb/musb/musb_io.h
@@ -39,7 +39,8 @@
 
 #if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
         && !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \
-        && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN)
+        && !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN) \
+        && !defined(CONFIG_MIPS)
 static inline void readsl(const void __iomem *addr, void *buf, int len)
         { insl((unsigned long)addr, buf, len); }
 static inline void readsw(const void __iomem *addr, void *buf, int len)
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index 76d629345418..735ef4c2339a 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -118,7 +118,7 @@ config FSL_USB2_OTG
 
 config USB_MV_OTG
         tristate "Marvell USB OTG support"
-        depends on USB_MV_UDC && USB_SUSPEND
+        depends on USB_EHCI_MV && USB_MV_UDC && USB_SUSPEND
         select USB_OTG
         select USB_OTG_UTILS
         help
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index ad654f8208ef..f770415305f8 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -839,6 +839,7 @@ static struct usb_device_id id_table_combined [] = {
         { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LOGBOOKML_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_LS_LOGBOOK_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_SCIENCESCOPE_HS_LOGBOOK_PID) },
+        { USB_DEVICE(FTDI_VID, FTDI_CINTERION_MC55I_PID) },
         { USB_DEVICE(FTDI_VID, FTDI_DOTEC_PID) },
         { USB_DEVICE(QIHARDWARE_VID, MILKYMISTONE_JTAGSERIAL_PID),
                 .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index f994503df2dd..6f6058f0db1b 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -1187,3 +1187,10 @@
  */
 /* ZigBee controller */
 #define FTDI_RF_R106            0x8A28
+
+/*
+ * Product: HCP HIT GPRS modem
+ * Manufacturer: HCP d.o.o.
+ * ATI command output: Cinterion MC55i
+ */
+#define FTDI_CINTERION_MC55I_PID        0xA951
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index ea126a4490cd..39ed1f46cec0 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -855,6 +855,18 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0083, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0086, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0087, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0088, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0089, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0090, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0091, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0092, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0093, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0094, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0095, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0096, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0097, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0098, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0099, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0104, 0xff, 0xff, 0xff),
                 .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0105, 0xff, 0xff, 0xff) },
@@ -883,7 +895,6 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0151, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0152, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0153, 0xff, 0xff, 0xff) },
-        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0154, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0155, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0156, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0157, 0xff, 0xff, 0xff) },
@@ -892,6 +903,12 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0160, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0161, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0162, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0164, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0168, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0170, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0176, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0178, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) },
@@ -1066,6 +1083,116 @@ static const struct usb_device_id option_ids[] = {
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1298, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1299, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1300, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1401, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1402, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1403, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1404, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1405, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1406, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1407, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1408, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1409, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1410, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1411, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1412, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1413, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1414, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1415, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1416, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1417, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1418, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1419, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1420, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1421, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1422, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1423, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1424, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1425, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1426, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1427, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1428, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1429, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1430, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1431, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1432, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1433, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1434, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1435, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1436, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1437, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1438, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1439, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1440, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1441, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1442, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1443, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1444, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1445, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1446, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1447, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1448, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1449, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1450, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1451, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1452, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1453, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1454, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1455, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1456, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1457, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1458, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1459, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1460, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1461, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1462, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1463, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1464, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1465, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1466, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1467, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1468, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1469, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1470, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1471, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1472, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1473, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1474, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1475, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1476, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1477, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1478, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1479, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1480, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1481, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1482, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1483, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1484, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1485, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1486, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1487, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1488, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1489, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1490, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1491, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1492, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1493, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1494, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1495, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1496, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1497, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1498, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1499, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1500, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1501, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1502, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1503, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1504, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1505, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1506, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1507, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1508, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1509, 0xff, 0xff, 0xff) },
+        { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1510, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0014, 0xff, 0xff, 0xff) }, /* ZTE CDMA products */
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0027, 0xff, 0xff, 0xff) },
         { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0059, 0xff, 0xff, 0xff) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index 1d5deee3be52..f98800f2324c 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -36,6 +36,11 @@ static const struct usb_device_id id_table[] = {
         {USB_DEVICE(0x413c, 0x8171)},   /* Dell Gobi QDL device */
         {USB_DEVICE(0x1410, 0xa001)},   /* Novatel Gobi Modem device */
         {USB_DEVICE(0x1410, 0xa008)},   /* Novatel Gobi QDL device */
+        {USB_DEVICE(0x1410, 0xa010)},   /* Novatel Gobi QDL device */
+        {USB_DEVICE(0x1410, 0xa011)},   /* Novatel Gobi QDL device */
+        {USB_DEVICE(0x1410, 0xa012)},   /* Novatel Gobi QDL device */
+        {USB_DEVICE(0x1410, 0xa013)},   /* Novatel Gobi QDL device */
+        {USB_DEVICE(0x1410, 0xa014)},   /* Novatel Gobi QDL device */
         {USB_DEVICE(0x0b05, 0x1776)},   /* Asus Gobi Modem device */
         {USB_DEVICE(0x0b05, 0x1774)},   /* Asus Gobi QDL device */
         {USB_DEVICE(0x19d2, 0xfff3)},   /* ONDA Gobi Modem device */
@@ -86,7 +91,16 @@ static const struct usb_device_id id_table[] = {
         {USB_DEVICE(0x16d8, 0x8002)},   /* CMDTech Gobi 2000 Modem device (VU922) */
         {USB_DEVICE(0x05c6, 0x9204)},   /* Gobi 2000 QDL device */
         {USB_DEVICE(0x05c6, 0x9205)},   /* Gobi 2000 Modem device */
+
+        {USB_DEVICE(0x05c6, 0x920c)},   /* Gobi 3000 QDL */
+        {USB_DEVICE(0x05c6, 0x920d)},   /* Gobi 3000 Composite */
+        {USB_DEVICE(0x1410, 0xa020)},   /* Novatel Gobi 3000 QDL */
+        {USB_DEVICE(0x1410, 0xa021)},   /* Novatel Gobi 3000 Composite */
+        {USB_DEVICE(0x413c, 0x8193)},   /* Dell Gobi 3000 QDL */
+        {USB_DEVICE(0x413c, 0x8194)},   /* Dell Gobi 3000 Composite */
         {USB_DEVICE(0x1199, 0x9013)},   /* Sierra Wireless Gobi 3000 Modem device (MC8355) */
+        {USB_DEVICE(0x12D1, 0x14F0)},   /* Sony Gobi 3000 QDL */
+        {USB_DEVICE(0x12D1, 0x14F1)},   /* Sony Gobi 3000 Composite */
         { }                             /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, id_table);
@@ -123,8 +137,6 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 
         spin_lock_init(&data->susp_lock);
 
-        usb_enable_autosuspend(serial->dev);
-
         switch (nintf) {
         case 1:
                 /* QDL mode */
diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index 395d658a94fc..faaf305fda27 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -180,6 +180,11 @@ int omapdss_dpi_display_enable(struct omap_dss_device *dssdev)
 {
         int r;
 
+        if (cpu_is_omap34xx() && !dpi.vdds_dsi_reg) {
+                DSSERR("no VDSS_DSI regulator\n");
+                return -ENODEV;
+        }
+
         if (dssdev->manager == NULL) {
                 DSSERR("failed to enable display: no manager\n");
                 return -ENODEV;