30 files changed, 233 insertions, 173 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 736d45602886..826b6e148316 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -199,6 +199,10 @@ and is between 256 and 4096 characters. It is defined in the file
                         acpi_display_output=video
                         See above.
 
+        acpi_early_pdc_eval     [HW,ACPI] Evaluate processor _PDC methods
+                                early. Needed on some platforms to properly
+                                initialize the EC.
+
         acpi_irq_balance [HW,ACPI]
                         ACPI will balance active IRQs
                         default in APIC mode
diff --git a/MAINTAINERS b/MAINTAINERS
index 412eff60c33d..44c669d92a49 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -616,10 +616,10 @@ M:	Richard Purdie <rpurdie@rpsys.net>
 S:      Maintained
 
 ARM/CORTINA SYSTEMS GEMINI ARM ARCHITECTURE
-M:      Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+M:      Paulius Zaleckas <paulius.zaleckas@gmail.com>
 L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 T:      git git://gitorious.org/linux-gemini/mainline.git
-S:      Maintained
+S:      Odd Fixes
 F:      arch/arm/mach-gemini/
 
 ARM/EBSA110 MACHINE SUPPORT
@@ -641,9 +641,9 @@ T:	topgit git://git.openezx.org/openezx.git
 F:      arch/arm/mach-pxa/ezx.c
 
 ARM/FARADAY FA526 PORT
-M:      Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
+M:      Paulius Zaleckas <paulius.zaleckas@gmail.com>
 L:      linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
-S:      Maintained
+S:      Odd Fixes
 F:      arch/arm/mm/*-fa*
 
 ARM/FOOTBRIDGE ARCHITECTURE
diff --git a/arch/arm/mach-gemini/gpio.c b/arch/arm/mach-gemini/gpio.c
index e7263854bc7b..fe3bd5ac8b10 100644
--- a/arch/arm/mach-gemini/gpio.c
+++ b/arch/arm/mach-gemini/gpio.c
@@ -86,7 +86,7 @@ static int gpio_set_irq_type(unsigned int irq, unsigned int type)
         unsigned int reg_both, reg_level, reg_type;
 
         reg_type = __raw_readl(base + GPIO_INT_TYPE);
-        reg_level = __raw_readl(base + GPIO_INT_BOTH_EDGE);
+        reg_level = __raw_readl(base + GPIO_INT_LEVEL);
         reg_both = __raw_readl(base + GPIO_INT_BOTH_EDGE);
 
         switch (type) {
@@ -117,7 +117,7 @@ static int gpio_set_irq_type(unsigned int irq, unsigned int type)
         }
 
         __raw_writel(reg_type, base + GPIO_INT_TYPE);
-        __raw_writel(reg_level, base + GPIO_INT_BOTH_EDGE);
+        __raw_writel(reg_level, base + GPIO_INT_LEVEL);
         __raw_writel(reg_both, base + GPIO_INT_BOTH_EDGE);
 
         gpio_ack_irq(irq);
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 7ae58892ba8d..e97b255d97bc 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -94,6 +94,7 @@ ia64_acpi_release_global_lock (unsigned int *lock)
 #define acpi_noirq 0    /* ACPI always enabled on IA64 */
 #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
 #define acpi_strict 1   /* no ACPI spec workarounds on IA64 */
+#define acpi_ht 0       /* no HT-only mode on IA64 */
 #endif
 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
 static inline void disable_acpi(void) { }
diff --git a/arch/powerpc/platforms/85xx/mpc85xx_mds.c b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
index 21f61b8c445b..cc29c0f5300d 100644
--- a/arch/powerpc/platforms/85xx/mpc85xx_mds.c
+++ b/arch/powerpc/platforms/85xx/mpc85xx_mds.c
@@ -338,7 +338,8 @@ static void __init mpc85xx_mds_pic_init(void)
         }
 
         mpic = mpic_alloc(np, r.start,
-                        MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
+                        MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN |
+                        MPIC_BROKEN_FRR_NIRQS,
                         0, 256, " OpenPIC  ");
         BUG_ON(mpic == NULL);
         of_node_put(np);
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index 04160a4cc699..a15f582300d8 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -46,6 +46,7 @@ smp_85xx_kick_cpu(int nr)
         __iomem u32 *bptr_vaddr;
         struct device_node *np;
         int n = 0;
+        int ioremappable;
 
         WARN_ON (nr < 0 || nr >= NR_CPUS);
 
@@ -59,21 +60,37 @@ smp_85xx_kick_cpu(int nr)
                 return;
         }
 
+        /*
+         * A secondary core could be in a spinloop in the bootpage
+         * (0xfffff000), somewhere in highmem, or somewhere in lowmem.
+         * The bootpage and highmem can be accessed via ioremap(), but
+         * we need to directly access the spinloop if its in lowmem.
+         */
+        ioremappable = *cpu_rel_addr > virt_to_phys(high_memory);
+
         /* Map the spin table */
-        bptr_vaddr = ioremap(*cpu_rel_addr, SIZE_BOOT_ENTRY);
+        if (ioremappable)
+                bptr_vaddr = ioremap(*cpu_rel_addr, SIZE_BOOT_ENTRY);
+        else
+                bptr_vaddr = phys_to_virt(*cpu_rel_addr);
 
         local_irq_save(flags);
 
         out_be32(bptr_vaddr + BOOT_ENTRY_PIR, nr);
         out_be32(bptr_vaddr + BOOT_ENTRY_ADDR_LOWER, __pa(__early_start));
 
+        if (!ioremappable)
+                flush_dcache_range((ulong)bptr_vaddr,
+                                (ulong)(bptr_vaddr + SIZE_BOOT_ENTRY));
+
         /* Wait a bit for the CPU to ack. */
         while ((__secondary_hold_acknowledge != nr) && (++n < 1000))
                 mdelay(1);
 
         local_irq_restore(flags);
 
-        iounmap(bptr_vaddr);
+        if (ioremappable)
+                iounmap(bptr_vaddr);
 
         pr_debug("waited %d msecs for CPU #%d.\n", n, nr);
 }
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0acbcdfa5ca4..af1c5833ff23 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1344,14 +1344,6 @@ static struct dmi_system_id __initdata acpi_dmi_table[] = {
          },
         {
          .callback = force_acpi_ht,
-         .ident = "ASUS P2B-DS",
-         .matches = {
-                     DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
-                     DMI_MATCH(DMI_BOARD_NAME, "P2B-DS"),
-                     },
-         },
-        {
-         .callback = force_acpi_ht,
          .ident = "ASUS CUR-DLS",
          .matches = {
                      DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index bbc2c1315c47..b2586f57e1f5 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -935,6 +935,7 @@ static int dock_add(acpi_handle handle)
         struct platform_device *dd;
 
         id = dock_station_count;
+        memset(&ds, 0, sizeof(ds));
         dd = platform_device_register_data(NULL, "dock", id, &ds, sizeof(ds));
         if (IS_ERR(dd))
                 return PTR_ERR(dd);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 7c0441f63b39..e88e8ae04fdb 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -110,6 +110,14 @@ static struct dmi_system_id __cpuinitdata processor_power_dmi_table[] = {
           DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
           DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307")},
          (void *)2},
+        { set_max_cstate, "Pavilion zv5000", {
+          DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+          DMI_MATCH(DMI_PRODUCT_NAME,"Pavilion zv5000 (DS502A#ABA)")},
+         (void *)1},
+        { set_max_cstate, "Asus L8400B", {
+          DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+          DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")},
+         (void *)1},
         {},
 };
 
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 7247819dbd80..e306ba9aa34e 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -125,6 +125,8 @@ acpi_processor_eval_pdc(acpi_handle handle, struct acpi_object_list *pdc_in)
         return status;
 }
 
+static int early_pdc_done;
+
 void acpi_processor_set_pdc(acpi_handle handle)
 {
         struct acpi_object_list *obj_list;
@@ -132,6 +134,9 @@ void acpi_processor_set_pdc(acpi_handle handle)
         if (arch_has_acpi_pdc() == false)
                 return;
 
+        if (early_pdc_done)
+                return;
+
         obj_list = acpi_processor_alloc_pdc();
         if (!obj_list)
                 return;
@@ -151,6 +156,13 @@ static int set_early_pdc_optin(const struct dmi_system_id *id)
         return 0;
 }
 
+static int param_early_pdc_optin(char *s)
+{
+        early_pdc_optin = 1;
+        return 1;
+}
+__setup("acpi_early_pdc_eval", param_early_pdc_optin);
+
 static struct dmi_system_id __cpuinitdata early_pdc_optin_table[] = {
         {
         set_early_pdc_optin, "HP Envy", {
@@ -192,4 +204,6 @@ void __init acpi_early_processor_set_pdc(void)
         acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
                             ACPI_UINT32_MAX,
                             early_init_pdc, NULL, NULL, NULL);
+
+        early_pdc_done = 1;
 }
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index ff9f6226085d..3e009674f333 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1336,9 +1336,25 @@ static int acpi_bus_scan(acpi_handle handle, struct acpi_bus_ops *ops,
 
         if (child)
                 *child = device;
-        return 0;
+
+        if (device)
+                return 0;
+        else
+                return -ENODEV;
 }
 
+/*
+ * acpi_bus_add and acpi_bus_start
+ *
+ * scan a given ACPI tree and (probably recently hot-plugged)
+ * create and add or starts found devices.
+ *
+ * If no devices were found -ENODEV is returned which does not
+ * mean that this is a real error, there just have been no suitable
+ * ACPI objects in the table trunk from which the kernel could create
+ * a device and add/start an appropriate driver.
+ */
+
 int
 acpi_bus_add(struct acpi_device **child,
              struct acpi_device *parent, acpi_handle handle, int type)
@@ -1348,8 +1364,7 @@ acpi_bus_add(struct acpi_device **child,
         memset(&ops, 0, sizeof(ops));
         ops.acpi_op_add = 1;
 
-        acpi_bus_scan(handle, &ops, child);
-        return 0;
+        return acpi_bus_scan(handle, &ops, child);
 }
 EXPORT_SYMBOL(acpi_bus_add);
 
@@ -1357,11 +1372,13 @@ int acpi_bus_start(struct acpi_device *device)
 {
         struct acpi_bus_ops ops;
 
+        if (!device)
+                return -EINVAL;
+
         memset(&ops, 0, sizeof(ops));
         ops.acpi_op_start = 1;
 
-        acpi_bus_scan(device->handle, &ops, NULL);
-        return 0;
+        return acpi_bus_scan(device->handle, &ops, NULL);
 }
 EXPORT_SYMBOL(acpi_bus_start);
 
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index f336bca7c450..8a0ed2800e63 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -213,7 +213,7 @@ acpi_table_parse_entries(char *id,
         unsigned long table_end;
         acpi_size tbl_size;
 
-        if (acpi_disabled)
+        if (acpi_disabled && !acpi_ht)
                 return -ENODEV;
 
         if (!handler)
@@ -280,7 +280,7 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler)
         struct acpi_table_header *table = NULL;
         acpi_size tbl_size;
 
-        if (acpi_disabled)
+        if (acpi_disabled && !acpi_ht)
                 return -ENODEV;
 
         if (!handler)
diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c
index f665b05592f3..ab6c97330412 100644
--- a/drivers/gpu/drm/drm_edid.c
+++ b/drivers/gpu/drm/drm_edid.c
@@ -598,6 +598,50 @@ struct drm_display_mode *drm_mode_std(struct drm_device *dev,
         return mode;
 }
 
+/*
+ * EDID is delightfully ambiguous about how interlaced modes are to be
+ * encoded.  Our internal representation is of frame height, but some
+ * HDTV detailed timings are encoded as field height.
+ *
+ * The format list here is from CEA, in frame size.  Technically we
+ * should be checking refresh rate too.  Whatever.
+ */
+static void
+drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
+                            struct detailed_pixel_timing *pt)
+{
+        int i;
+        static const struct {
+                int w, h;
+        } cea_interlaced[] = {
+                { 1920, 1080 },
+                {  720,  480 },
+                { 1440,  480 },
+                { 2880,  480 },
+                {  720,  576 },
+                { 1440,  576 },
+                { 2880,  576 },
+        };
+        static const int n_sizes =
+                sizeof(cea_interlaced)/sizeof(cea_interlaced[0]);
+
+        if (!(pt->misc & DRM_EDID_PT_INTERLACED))
+                return;
+
+        for (i = 0; i < n_sizes; i++) {
+                if ((mode->hdisplay == cea_interlaced[i].w) &&
+                    (mode->vdisplay == cea_interlaced[i].h / 2)) {
+                        mode->vdisplay *= 2;
+                        mode->vsync_start *= 2;
+                        mode->vsync_end *= 2;
+                        mode->vtotal *= 2;
+                        mode->vtotal |= 1;
+                }
+        }
+
+        mode->flags |= DRM_MODE_FLAG_INTERLACE;
+}
+
 /**
  * drm_mode_detailed - create a new mode from an EDID detailed timing section
  * @dev: DRM device (needed to create new mode)
@@ -680,8 +724,7 @@ static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
 
         drm_mode_set_name(mode);
 
-        if (pt->misc & DRM_EDID_PT_INTERLACED)
-                mode->flags |= DRM_MODE_FLAG_INTERLACE;
+        drm_mode_do_interlace_quirk(mode, pt);
 
         if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
                 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index b1d0acbae4e4..c2e8a45780d5 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -636,6 +636,13 @@ static const struct dmi_system_id bad_lid_status[] = {
                         DMI_MATCH(DMI_PRODUCT_NAME, "PC-81005"),
                 },
         },
+        {
+                .ident = "Clevo M5x0N",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
+                        DMI_MATCH(DMI_BOARD_NAME, "M5x0N"),
+                },
+        },
         { }
 };
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.c b/drivers/gpu/drm/nouveau/nouveau_bios.c
index 2cd0fad17dac..0e9cd1d49130 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.c
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.c
@@ -5861,13 +5861,12 @@ nouveau_bios_run_init_table(struct drm_device *dev, uint16_t table,
         struct drm_nouveau_private *dev_priv = dev->dev_private;
         struct nvbios *bios = &dev_priv->VBIOS;
         struct init_exec iexec = { true, false };
-        unsigned long flags;
 
-        spin_lock_irqsave(&bios->lock, flags);
+        mutex_lock(&bios->lock);
         bios->display.output = dcbent;
         parse_init_table(bios, table, &iexec);
         bios->display.output = NULL;
-        spin_unlock_irqrestore(&bios->lock, flags);
+        mutex_unlock(&bios->lock);
 }
 
 static bool NVInitVBIOS(struct drm_device *dev)
@@ -5876,7 +5875,7 @@ static bool NVInitVBIOS(struct drm_device *dev)
         struct nvbios *bios = &dev_priv->VBIOS;
 
         memset(bios, 0, sizeof(struct nvbios));
-        spin_lock_init(&bios->lock);
+        mutex_init(&bios->lock);
         bios->dev = dev;
 
         if (!NVShadowVBIOS(dev, bios->data))
diff --git a/drivers/gpu/drm/nouveau/nouveau_bios.h b/drivers/gpu/drm/nouveau/nouveau_bios.h
index 68446fd4146b..fd94bd6dc264 100644
--- a/drivers/gpu/drm/nouveau/nouveau_bios.h
+++ b/drivers/gpu/drm/nouveau/nouveau_bios.h
@@ -205,7 +205,7 @@ struct nvbios {
         struct drm_device *dev;
         struct nouveau_bios_info pub;
 
-        spinlock_t lock;
+        struct mutex lock;
 
         uint8_t data[NV_PROM_SIZE];
         unsigned int length;
diff --git a/drivers/gpu/drm/nouveau/nv17_tv.c b/drivers/gpu/drm/nouveau/nv17_tv.c
index 58b917c3341b..21ac6e49b6ee 100644
--- a/drivers/gpu/drm/nouveau/nv17_tv.c
+++ b/drivers/gpu/drm/nouveau/nv17_tv.c
@@ -579,6 +579,8 @@ static void nv17_tv_restore(struct drm_encoder *encoder)
                                 nouveau_encoder(encoder)->restore.output);
 
         nv17_tv_state_load(dev, &to_tv_enc(encoder)->saved_state);
+
+        nouveau_encoder(encoder)->last_dpms = NV_DPMS_CLEARED;
 }
 
 static int nv17_tv_create_resources(struct drm_encoder *encoder,
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index 2a3df5599ab4..7f152f66f196 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -643,7 +643,7 @@ static void atom_op_delay(atom_exec_context *ctx, int *ptr, int arg)
         uint8_t count = U8((*ptr)++);
         SDEBUG("   count: %d\n", count);
         if (arg == ATOM_UNIT_MICROSEC)
-                schedule_timeout_uninterruptible(usecs_to_jiffies(count));
+                udelay(count);
         else
                 schedule_timeout_uninterruptible(msecs_to_jiffies(count));
 }
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c
index af1c3ca8a4cb..446b765ac72a 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -543,9 +543,6 @@ int r600_vb_ib_get(struct radeon_device *rdev)
 void r600_vb_ib_put(struct radeon_device *rdev)
 {
         radeon_fence_emit(rdev, rdev->r600_blit.vb_ib->fence);
-        mutex_lock(&rdev->ib_pool.mutex);
-        list_add_tail(&rdev->r600_blit.vb_ib->list, &rdev->ib_pool.scheduled_ibs);
-        mutex_unlock(&rdev->ib_pool.mutex);
         radeon_ib_free(rdev, &rdev->r600_blit.vb_ib);
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index f57480ba1355..c0356bb193e5 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -96,6 +96,7 @@ extern int radeon_audio;
  * symbol;
  */
 #define RADEON_MAX_USEC_TIMEOUT         100000  /* 100 ms */
+/* RADEON_IB_POOL_SIZE must be a power of 2 */
 #define RADEON_IB_POOL_SIZE             16
 #define RADEON_DEBUGFS_MAX_NUM_FILES    32
 #define RADEONFB_CONN_LIMIT             4
@@ -363,11 +364,12 @@ void radeon_irq_kms_sw_irq_put(struct radeon_device *rdev);
  */
 struct radeon_ib {
         struct list_head        list;
-        unsigned long           idx;
+        unsigned                idx;
         uint64_t                gpu_addr;
         struct radeon_fence     *fence;
-        uint32_t        *ptr;
+        uint32_t                *ptr;
         uint32_t                length_dw;
+        bool                    free;
 };
 
 /*
@@ -377,10 +379,9 @@ struct radeon_ib {
 struct radeon_ib_pool {
         struct mutex            mutex;
         struct radeon_bo        *robj;
-        struct list_head        scheduled_ibs;
         struct radeon_ib        ibs[RADEON_IB_POOL_SIZE];
         bool                    ready;
-        DECLARE_BITMAP(alloc_bm, RADEON_IB_POOL_SIZE);
+        unsigned                head_id;
 };
 
 struct radeon_cp {
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index 1190148cf5e6..e9d085021c1f 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -86,7 +86,7 @@ int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
                                                 &p->validated);
                 }
         }
-        return radeon_bo_list_validate(&p->validated, p->ib->fence);
+        return radeon_bo_list_validate(&p->validated);
 }
 
 int radeon_cs_parser_init(struct radeon_cs_parser *p, void *data)
@@ -189,12 +189,10 @@ static void radeon_cs_parser_fini(struct radeon_cs_parser *parser, int error)
 {
         unsigned i;
 
-        if (error && parser->ib) {
-                radeon_bo_list_unvalidate(&parser->validated,
-                                                parser->ib->fence);
-        } else {
-                radeon_bo_list_unreserve(&parser->validated);
+        if (!error && parser->ib) {
+                radeon_bo_list_fence(&parser->validated, parser->ib->fence);
         }
+        radeon_bo_list_unreserve(&parser->validated);
         for (i = 0; i < parser->nrelocs; i++) {
                 if (parser->relocs[i].gobj) {
                         mutex_lock(&parser->rdev->ddev->struct_mutex);
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index d72a71bff218..f1da370928eb 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -306,11 +306,10 @@ void radeon_bo_list_unreserve(struct list_head *head)
         }
 }
 
-int radeon_bo_list_validate(struct list_head *head, void *fence)
+int radeon_bo_list_validate(struct list_head *head)
 {
         struct radeon_bo_list *lobj;
         struct radeon_bo *bo;
-        struct radeon_fence *old_fence = NULL;
         int r;
 
         r = radeon_bo_list_reserve(head);
@@ -334,32 +333,27 @@ int radeon_bo_list_validate(struct list_head *head, void *fence)
                 }
                 lobj->gpu_offset = radeon_bo_gpu_offset(bo);
                 lobj->tiling_flags = bo->tiling_flags;
-                if (fence) {
-                        old_fence = (struct radeon_fence *)bo->tbo.sync_obj;
-                        bo->tbo.sync_obj = radeon_fence_ref(fence);
-                        bo->tbo.sync_obj_arg = NULL;
-                }
-                if (old_fence) {
-                        radeon_fence_unref(&old_fence);
-                }
         }
         return 0;
 }
 
-void radeon_bo_list_unvalidate(struct list_head *head, void *fence)
+void radeon_bo_list_fence(struct list_head *head, void *fence)
 {
         struct radeon_bo_list *lobj;
-        struct radeon_fence *old_fence;
-
-        if (fence)
-                list_for_each_entry(lobj, head, list) {
-                        old_fence = to_radeon_fence(lobj->bo->tbo.sync_obj);
-                        if (old_fence == fence) {
-                                lobj->bo->tbo.sync_obj = NULL;
-                                radeon_fence_unref(&old_fence);
-                        }
+        struct radeon_bo *bo;
+        struct radeon_fence *old_fence = NULL;
+
+        list_for_each_entry(lobj, head, list) {
+                bo = lobj->bo;
+                spin_lock(&bo->tbo.lock);
+                old_fence = (struct radeon_fence *)bo->tbo.sync_obj;
+                bo->tbo.sync_obj = radeon_fence_ref(fence);
+                bo->tbo.sync_obj_arg = NULL;
+                spin_unlock(&bo->tbo.lock);
+                if (old_fence) {
+                        radeon_fence_unref(&old_fence);
                 }
-        radeon_bo_list_unreserve(head);
+        }
 }
 
 int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index a02f18011ad1..7ab43de1e244 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -156,8 +156,8 @@ extern void radeon_bo_list_add_object(struct radeon_bo_list *lobj,
                                 struct list_head *head);
 extern int radeon_bo_list_reserve(struct list_head *head);
 extern void radeon_bo_list_unreserve(struct list_head *head);
-extern int radeon_bo_list_validate(struct list_head *head, void *fence);
-extern void radeon_bo_list_unvalidate(struct list_head *head, void *fence);
+extern int radeon_bo_list_validate(struct list_head *head);
+extern void radeon_bo_list_fence(struct list_head *head, void *fence);
 extern int radeon_bo_fbdev_mmap(struct radeon_bo *bo,
                                 struct vm_area_struct *vma);
 extern int radeon_bo_set_tiling_flags(struct radeon_bo *bo,
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 4d12b2d17b4d..694799f6fac1 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -41,68 +41,55 @@ int radeon_ib_get(struct radeon_device *rdev, struct radeon_ib **ib)
 {
         struct radeon_fence *fence;
         struct radeon_ib *nib;
-        unsigned long i;
-        int r = 0;
+        int r = 0, i, c;
 
         *ib = NULL;
         r = radeon_fence_create(rdev, &fence);
         if (r) {
-                DRM_ERROR("failed to create fence for new IB\n");
+                dev_err(rdev->dev, "failed to create fence for new IB\n");
                 return r;
         }
         mutex_lock(&rdev->ib_pool.mutex);
-        i = find_first_zero_bit(rdev->ib_pool.alloc_bm, RADEON_IB_POOL_SIZE);
-        if (i < RADEON_IB_POOL_SIZE) {
-                set_bit(i, rdev->ib_pool.alloc_bm);
-                rdev->ib_pool.ibs[i].length_dw = 0;
-                *ib = &rdev->ib_pool.ibs[i];
-                mutex_unlock(&rdev->ib_pool.mutex);
-                goto out;
+        for (i = rdev->ib_pool.head_id, c = 0, nib = NULL; c < RADEON_IB_POOL_SIZE; c++, i++) {
+                i &= (RADEON_IB_POOL_SIZE - 1);
+                if (rdev->ib_pool.ibs[i].free) {
+                        nib = &rdev->ib_pool.ibs[i];
+                        break;
+                }
         }
-        if (list_empty(&rdev->ib_pool.scheduled_ibs)) {
-                /* we go do nothings here */
+        if (nib == NULL) {
+                /* This should never happen, it means we allocated all
+                 * IB and haven't scheduled one yet, return EBUSY to
+                 * userspace hoping that on ioctl recall we get better
+                 * luck
+                 */
+                dev_err(rdev->dev, "no free indirect buffer !\n");
                 mutex_unlock(&rdev->ib_pool.mutex);
-                DRM_ERROR("all IB allocated none scheduled.\n");
-                r = -EINVAL;
-                goto out;
+                radeon_fence_unref(&fence);
+                return -EBUSY;
         }
-        /* get the first ib on the scheduled list */
-        nib = list_entry(rdev->ib_pool.scheduled_ibs.next,
-                         struct radeon_ib, list);
-        if (nib->fence == NULL) {
-                /* we go do nothings here */
+        rdev->ib_pool.head_id = (nib->idx + 1) & (RADEON_IB_POOL_SIZE - 1);
+        nib->free = false;
+        if (nib->fence) {
                 mutex_unlock(&rdev->ib_pool.mutex);
-                DRM_ERROR("IB %lu scheduled without a fence.\n", nib->idx);
-                r = -EINVAL;
-                goto out;
-        }
-        mutex_unlock(&rdev->ib_pool.mutex);
-
-        r = radeon_fence_wait(nib->fence, false);
-        if (r) {
-                DRM_ERROR("radeon: IB(%lu:0x%016lX:%u)\n", nib->idx,
-                          (unsigned long)nib->gpu_addr, nib->length_dw);
-                DRM_ERROR("radeon: GPU lockup detected, fail to get a IB\n");
-                goto out;
+                r = radeon_fence_wait(nib->fence, false);
+                if (r) {
+                        dev_err(rdev->dev, "error waiting fence of IB(%u:0x%016lX:%u)\n",
+                                nib->idx, (unsigned long)nib->gpu_addr, nib->length_dw);
+                        mutex_lock(&rdev->ib_pool.mutex);
+                        nib->free = true;
+                        mutex_unlock(&rdev->ib_pool.mutex);
+                        radeon_fence_unref(&fence);
+                        return r;
+                }
+                mutex_lock(&rdev->ib_pool.mutex);
         }
         radeon_fence_unref(&nib->fence);
-
+        nib->fence = fence;
         nib->length_dw = 0;
-
-        /* scheduled list is accessed here */
-        mutex_lock(&rdev->ib_pool.mutex);
-        list_del(&nib->list);
-        INIT_LIST_HEAD(&nib->list);
         mutex_unlock(&rdev->ib_pool.mutex);
-
         *ib = nib;
-out:
-        if (r) {
-                radeon_fence_unref(&fence);
-        } else {
-                (*ib)->fence = fence;
-        }
-        return r;
+        return 0;
 }
 
 void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib)
@@ -114,18 +101,7 @@ void radeon_ib_free(struct radeon_device *rdev, struct radeon_ib **ib)
                 return;
         }
         mutex_lock(&rdev->ib_pool.mutex);
-        if (!list_empty(&tmp->list) && !radeon_fence_signaled(tmp->fence)) {
-                /* IB is scheduled & not signaled don't do anythings */
-                mutex_unlock(&rdev->ib_pool.mutex);
-                return;
-        }
-        list_del(&tmp->list);
-        INIT_LIST_HEAD(&tmp->list);
-        if (tmp->fence)
-                radeon_fence_unref(&tmp->fence);
-
-        tmp->length_dw = 0;
-        clear_bit(tmp->idx, rdev->ib_pool.alloc_bm);
+        tmp->free = true;
         mutex_unlock(&rdev->ib_pool.mutex);
 }
 
@@ -135,7 +111,7 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib)
 
         if (!ib->length_dw || !rdev->cp.ready) {
                 /* TODO: Nothings in the ib we should report. */
-                DRM_ERROR("radeon: couldn't schedule IB(%lu).\n", ib->idx);
+                DRM_ERROR("radeon: couldn't schedule IB(%u).\n", ib->idx);
                 return -EINVAL;
         }
 
@@ -148,7 +124,8 @@ int radeon_ib_schedule(struct radeon_device *rdev, struct radeon_ib *ib)
         radeon_ring_ib_execute(rdev, ib);
         radeon_fence_emit(rdev, ib->fence);
         mutex_lock(&rdev->ib_pool.mutex);
-        list_add_tail(&ib->list, &rdev->ib_pool.scheduled_ibs);
+        /* once scheduled IB is considered free and protected by the fence */
+        ib->free = true;
         mutex_unlock(&rdev->ib_pool.mutex);
         radeon_ring_unlock_commit(rdev);
         return 0;
@@ -164,7 +141,6 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
         if (rdev->ib_pool.robj)
                 return 0;
         /* Allocate 1M object buffer */
-        INIT_LIST_HEAD(&rdev->ib_pool.scheduled_ibs);
         r = radeon_bo_create(rdev, NULL,  RADEON_IB_POOL_SIZE*64*1024,
                                 true, RADEON_GEM_DOMAIN_GTT,
                                 &rdev->ib_pool.robj);
@@ -195,9 +171,9 @@ int radeon_ib_pool_init(struct radeon_device *rdev)
                 rdev->ib_pool.ibs[i].ptr = ptr + offset;
                 rdev->ib_pool.ibs[i].idx = i;
                 rdev->ib_pool.ibs[i].length_dw = 0;
-                INIT_LIST_HEAD(&rdev->ib_pool.ibs[i].list);
+                rdev->ib_pool.ibs[i].free = true;
         }
-        bitmap_zero(rdev->ib_pool.alloc_bm, RADEON_IB_POOL_SIZE);
+        rdev->ib_pool.head_id = 0;
         rdev->ib_pool.ready = true;
         DRM_INFO("radeon: ib pool ready.\n");
         if (radeon_debugfs_ib_init(rdev)) {
@@ -214,7 +190,6 @@ void radeon_ib_pool_fini(struct radeon_device *rdev)
                 return;
         }
         mutex_lock(&rdev->ib_pool.mutex);
-        bitmap_zero(rdev->ib_pool.alloc_bm, RADEON_IB_POOL_SIZE);
         if (rdev->ib_pool.robj) {
                 r = radeon_bo_reserve(rdev->ib_pool.robj, false);
                 if (likely(r == 0)) {
@@ -363,7 +338,7 @@ static int radeon_debugfs_ib_info(struct seq_file *m, void *data)
         if (ib == NULL) {
                 return 0;
         }
-        seq_printf(m, "IB %04lu\n", ib->idx);
+        seq_printf(m, "IB %04u\n", ib->idx);
         seq_printf(m, "IB fence %p\n", ib->fence);
         seq_printf(m, "IB size %05u dwords\n", ib->length_dw);
         for (i = 0; i < ib->length_dw; i++) {
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
index a6e8f687fa64..0c9c0811f42d 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
@@ -348,22 +348,19 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
                  */
 
                 DRM_INFO("It appears like vesafb is loaded. "
-                         "Ignore above error if any. Entering stealth mode.\n");
+                         "Ignore above error if any.\n");
                 ret = pci_request_region(dev->pdev, 2, "vmwgfx stealth probe");
                 if (unlikely(ret != 0)) {
                         DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
                         goto out_no_device;
                 }
-                vmw_kms_init(dev_priv);
-                vmw_overlay_init(dev_priv);
-        } else {
-                ret = vmw_request_device(dev_priv);
-                if (unlikely(ret != 0))
-                        goto out_no_device;
-                vmw_kms_init(dev_priv);
-                vmw_overlay_init(dev_priv);
-                vmw_fb_init(dev_priv);
         }
+        ret = vmw_request_device(dev_priv);
+        if (unlikely(ret != 0))
+                goto out_no_device;
+        vmw_kms_init(dev_priv);
+        vmw_overlay_init(dev_priv);
+        vmw_fb_init(dev_priv);
 
         dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
         register_pm_notifier(&dev_priv->pm_nb);
@@ -406,17 +403,15 @@ static int vmw_driver_unload(struct drm_device *dev)
 
         unregister_pm_notifier(&dev_priv->pm_nb);
 
-        if (!dev_priv->stealth) {
-                vmw_fb_close(dev_priv);
-                vmw_kms_close(dev_priv);
-                vmw_overlay_close(dev_priv);
-                vmw_release_device(dev_priv);
-                pci_release_regions(dev->pdev);
-        } else {
-                vmw_kms_close(dev_priv);
-                vmw_overlay_close(dev_priv);
+        vmw_fb_close(dev_priv);
+        vmw_kms_close(dev_priv);
+        vmw_overlay_close(dev_priv);
+        vmw_release_device(dev_priv);
+        if (dev_priv->stealth)
                 pci_release_region(dev->pdev, 2);
-        }
+        else
+                pci_release_regions(dev->pdev);
+
         if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
                 drm_irq_uninstall(dev_priv->dev);
         if (dev->devname == vmw_devname)
@@ -585,11 +580,6 @@ static int vmw_master_set(struct drm_device *dev,
         int ret = 0;
 
         DRM_INFO("Master set.\n");
-        if (dev_priv->stealth) {
-                ret = vmw_request_device(dev_priv);
-                if (unlikely(ret != 0))
-                        return ret;
-        }
 
         if (active) {
                 BUG_ON(active != &dev_priv->fbdev_master);
@@ -649,18 +639,11 @@ static void vmw_master_drop(struct drm_device *dev,
 
         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 
-        if (dev_priv->stealth) {
-                ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
-                if (unlikely(ret != 0))
-                        DRM_ERROR("Unable to clean VRAM on master drop.\n");
-                vmw_release_device(dev_priv);
-        }
         dev_priv->active_master = &dev_priv->fbdev_master;
         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
         ttm_vt_unlock(&dev_priv->fbdev_master.lock);
 
-        if (!dev_priv->stealth)
-                vmw_fb_on(dev_priv);
+        vmw_fb_on(dev_priv);
 }
 
 
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
index 4f4f6432be8b..a93367041cdc 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fb.c
@@ -559,6 +559,9 @@ int vmw_fb_init(struct vmw_private *vmw_priv)
         info->pixmap.scan_align = 1;
 #endif
 
+        info->aperture_base = vmw_priv->vram_start;
+        info->aperture_size = vmw_priv->vram_size;
+
         /*
          * Dirty & Deferred IO
          */
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index d84a36e545f6..b54aee7cd9e3 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -1161,9 +1161,17 @@ static int i8042_pm_restore(struct device *dev)
         return 0;
 }
 
+static int i8042_pm_thaw(struct device *dev)
+{
+        i8042_interrupt(0, NULL);
+
+        return 0;
+}
+
 static const struct dev_pm_ops i8042_pm_ops = {
         .suspend        = i8042_pm_reset,
         .resume         = i8042_pm_restore,
+        .thaw           = i8042_pm_thaw,
         .poweroff       = i8042_pm_reset,
         .restore        = i8042_pm_restore,
 };
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 8e952fdab764..cb2fd01eddae 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -720,12 +720,6 @@ static int acpiphp_bus_add(struct acpiphp_func *func)
                         -ret_val);
                 goto acpiphp_bus_add_out;
         }
-        /*
-         * try to start anyway.  We could have failed to add
-         * simply because this bus had previously been added
-         * on another add.  Don't bother with the return value
-         * we just keep going.
-         */
         ret_val = acpi_bus_start(device);
 
 acpiphp_bus_add_out:
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index e67e4feb35cb..eb603f1d55ca 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -5771,7 +5771,7 @@ static void thermal_exit(void)
         case TPACPI_THERMAL_ACPI_TMP07:
         case TPACPI_THERMAL_ACPI_UPDT:
                 sysfs_remove_group(&tpacpi_sensors_pdev->dev.kobj,
-                                   &thermal_temp_input16_group);
+                                   &thermal_temp_input8_group);
                 break;
         case TPACPI_THERMAL_NONE:
         default:
diff --git a/include/linux/input.h b/include/linux/input.h
index 735ceaf1bc2d..663208afb64c 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -376,6 +376,7 @@ struct input_absinfo {
 #define KEY_DISPLAY_OFF         245     /* display device to off state */
 
 #define KEY_WIMAX               246
+#define KEY_RFKILL              247     /* Key that controls all radios */
 
 /* Range 248 - 255 is reserved for special needs of AT keyboard driver */