30 files changed, 356 insertions, 105 deletions

diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c
index 3bd872761567..a263b7070fc6 100644
--- a/drivers/gpu/drm/drm_irq.c
+++ b/drivers/gpu/drm/drm_irq.c
@@ -476,6 +476,7 @@ void drm_vblank_off(struct drm_device *dev, int crtc)
         unsigned long irqflags;
 
         spin_lock_irqsave(&dev->vbl_lock, irqflags);
+        dev->driver->disable_vblank(dev, crtc);
         DRM_WAKEUP(&dev->vbl_queue[crtc]);
         dev->vblank_enabled[crtc] = 0;
         dev->last_vblank[crtc] = dev->driver->get_vblank_counter(dev, crtc);
diff --git a/drivers/gpu/drm/drm_memory.c b/drivers/gpu/drm/drm_memory.c
index e4865f99989c..7732268eced2 100644
--- a/drivers/gpu/drm/drm_memory.c
+++ b/drivers/gpu/drm/drm_memory.c
@@ -77,7 +77,7 @@ static void *agp_remap(unsigned long offset, unsigned long size,
                     && (agpmem->bound + (agpmem->pages << PAGE_SHIFT)) >=
                     (offset + size))
                         break;
-        if (!agpmem)
+        if (&agpmem->head == &dev->agp->memory)
                 return NULL;
 
         /*
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index b743411d8144..a0c365f2e521 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -516,8 +516,6 @@ void drm_put_dev(struct drm_device *dev)
         }
         driver = dev->driver;
 
-        drm_vblank_cleanup(dev);
-
         drm_lastclose(dev);
 
         if (drm_core_has_MTRR(dev) && drm_core_has_AGP(dev) &&
@@ -537,6 +535,8 @@ void drm_put_dev(struct drm_device *dev)
                 dev->agp = NULL;
         }
 
+        drm_vblank_cleanup(dev);
+
         list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head)
                 drm_rmmap(dev, r_list->map);
         drm_ht_remove(&dev->map_hash);
diff --git a/drivers/gpu/drm/drm_sysfs.c b/drivers/gpu/drm/drm_sysfs.c
index 49daf37e5043..3a3a451d0bf8 100644
--- a/drivers/gpu/drm/drm_sysfs.c
+++ b/drivers/gpu/drm/drm_sysfs.c
@@ -354,7 +354,10 @@ static struct bin_attribute edid_attr = {
 int drm_sysfs_connector_add(struct drm_connector *connector)
 {
         struct drm_device *dev = connector->dev;
-        int ret = 0, i, j;
+        int attr_cnt = 0;
+        int opt_cnt = 0;
+        int i;
+        int ret = 0;
 
         /* We shouldn't get called more than once for the same connector */
         BUG_ON(device_is_registered(&connector->kdev));
@@ -377,8 +380,8 @@ int drm_sysfs_connector_add(struct drm_connector *connector)
 
         /* Standard attributes */
 
-        for (i = 0; i < ARRAY_SIZE(connector_attrs); i++) {
-                ret = device_create_file(&connector->kdev, &connector_attrs[i]);
+        for (attr_cnt = 0; attr_cnt < ARRAY_SIZE(connector_attrs); attr_cnt++) {
+                ret = device_create_file(&connector->kdev, &connector_attrs[attr_cnt]);
                 if (ret)
                         goto err_out_files;
         }
@@ -394,8 +397,8 @@ int drm_sysfs_connector_add(struct drm_connector *connector)
                 case DRM_MODE_CONNECTOR_SVIDEO:
                 case DRM_MODE_CONNECTOR_Component:
                 case DRM_MODE_CONNECTOR_TV:
-                        for (i = 0; i < ARRAY_SIZE(connector_attrs_opt1); i++) {
-                                ret = device_create_file(&connector->kdev, &connector_attrs_opt1[i]);
+                        for (opt_cnt = 0; opt_cnt < ARRAY_SIZE(connector_attrs_opt1); opt_cnt++) {
+                                ret = device_create_file(&connector->kdev, &connector_attrs_opt1[opt_cnt]);
                                 if (ret)
                                         goto err_out_files;
                         }
@@ -414,10 +417,10 @@ int drm_sysfs_connector_add(struct drm_connector *connector)
         return 0;
 
 err_out_files:
-        if (i > 0)
-                for (j = 0; j < i; j++)
-                        device_remove_file(&connector->kdev,
-                                           &connector_attrs[i]);
+        for (i = 0; i < opt_cnt; i++)
+                device_remove_file(&connector->kdev, &connector_attrs_opt1[i]);
+        for (i = 0; i < attr_cnt; i++)
+                device_remove_file(&connector->kdev, &connector_attrs[i]);
         device_unregister(&connector->kdev);
 
 out:
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index bf7d601fc37d..851a2f8ed6e6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1358,17 +1358,29 @@ static void i915_setup_compression(struct drm_device *dev, int size)
         dev_priv->cfb_size = size;
 
         intel_disable_fbc(dev);
+        dev_priv->compressed_fb = compressed_fb;
+
         if (IS_GM45(dev)) {
                 I915_WRITE(DPFC_CB_BASE, compressed_fb->start);
         } else {
                 I915_WRITE(FBC_CFB_BASE, cfb_base);
                 I915_WRITE(FBC_LL_BASE, ll_base);
+                dev_priv->compressed_llb = compressed_llb;
         }
 
         DRM_DEBUG("FBC base 0x%08lx, ll base 0x%08lx, size %dM\n", cfb_base,
                   ll_base, size >> 20);
 }
 
+static void i915_cleanup_compression(struct drm_device *dev)
+{
+        struct drm_i915_private *dev_priv = dev->dev_private;
+
+        drm_mm_put_block(dev_priv->compressed_fb);
+        if (!IS_GM45(dev))
+                drm_mm_put_block(dev_priv->compressed_llb);
+}
+
 /* true = enable decode, false = disable decoder */
 static unsigned int i915_vga_set_decode(void *cookie, bool state)
 {
@@ -1788,6 +1800,8 @@ int i915_driver_unload(struct drm_device *dev)
                 mutex_lock(&dev->struct_mutex);
                 i915_gem_cleanup_ringbuffer(dev);
                 mutex_unlock(&dev->struct_mutex);
+                if (I915_HAS_FBC(dev) && i915_powersave)
+                        i915_cleanup_compression(dev);
                 drm_mm_takedown(&dev_priv->vram);
                 i915_gem_lastclose(dev);
 
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 01e91ea5bdea..5c51e45ab68d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -69,7 +69,8 @@ const static struct intel_device_info intel_845g_info = {
 };
 
 const static struct intel_device_info intel_i85x_info = {
-        .is_i8xx = 1, .is_mobile = 1, .cursor_needs_physical = 1,
+        .is_i8xx = 1, .is_i85x = 1, .is_mobile = 1,
+        .cursor_needs_physical = 1,
 };
 
 const static struct intel_device_info intel_i865g_info = {
@@ -151,7 +152,7 @@ const static struct pci_device_id pciidlist[] = {
         INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
         INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
         INTEL_VGA_DEVICE(0x3582, &intel_i85x_info),
-        INTEL_VGA_DEVICE(0x35e8, &intel_i85x_info),
+        INTEL_VGA_DEVICE(0x358e, &intel_i85x_info),
         INTEL_VGA_DEVICE(0x2572, &intel_i865g_info),
         INTEL_VGA_DEVICE(0x2582, &intel_i915g_info),
         INTEL_VGA_DEVICE(0x258a, &intel_i915g_info),
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index c06d203b709b..bf11ad9998db 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -195,6 +195,7 @@ struct intel_overlay;
 struct intel_device_info {
         u8 is_mobile : 1;
         u8 is_i8xx : 1;
+        u8 is_i85x : 1;
         u8 is_i915g : 1;
         u8 is_i9xx : 1;
         u8 is_i945gm : 1;
@@ -242,11 +243,14 @@ typedef struct drm_i915_private {
 
         drm_dma_handle_t *status_page_dmah;
         void *hw_status_page;
+        void *seqno_page;
         dma_addr_t dma_status_page;
         uint32_t counter;
         unsigned int status_gfx_addr;
+        unsigned int seqno_gfx_addr;
         drm_local_map_t hws_map;
         struct drm_gem_object *hws_obj;
+        struct drm_gem_object *seqno_obj;
         struct drm_gem_object *pwrctx;
 
         struct resource mch_res;
@@ -641,6 +645,9 @@ typedef struct drm_i915_private {
 
         enum no_fbc_reason no_fbc_reason;
 
+        struct drm_mm_node *compressed_fb;
+        struct drm_mm_node *compressed_llb;
+
         /* list of fbdev register on this device */
         struct intel_fbdev *fbdev;
 } drm_i915_private_t;
@@ -1091,7 +1098,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 
 #define IS_I830(dev)            ((dev)->pci_device == 0x3577)
 #define IS_845G(dev)            ((dev)->pci_device == 0x2562)
-#define IS_I85X(dev)            ((dev)->pci_device == 0x3582)
+#define IS_I85X(dev)            (INTEL_INFO(dev)->is_i85x)
 #define IS_I865G(dev)           ((dev)->pci_device == 0x2572)
 #define IS_GEN2(dev)            (INTEL_INFO(dev)->is_i8xx)
 #define IS_I915G(dev)           (INTEL_INFO(dev)->is_i915g)
@@ -1157,6 +1164,7 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
 
 #define HAS_PCH_SPLIT(dev) (IS_IRONLAKE(dev) || \
                             IS_GEN6(dev))
+#define HAS_PIPE_CONTROL(dev) (IS_IRONLAKE(dev) || IS_GEN6(dev))
 
 #define INTEL_PCH_TYPE(dev) (((struct drm_i915_private *)(dev)->dev_private)->pch_type)
 #define HAS_PCH_CPT(dev) (INTEL_PCH_TYPE(dev) == PCH_CPT)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 3471dece13e7..666d75570502 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1588,6 +1588,13 @@ i915_gem_process_flushing_list(struct drm_device *dev,
         }
 }
 
+#define PIPE_CONTROL_FLUSH(addr)                                        \
+        OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |          \
+                 PIPE_CONTROL_DEPTH_STALL);                             \
+        OUT_RING(addr | PIPE_CONTROL_GLOBAL_GTT);                       \
+        OUT_RING(0);                                                    \
+        OUT_RING(0);                                                    \
+
 /**
  * Creates a new sequence number, emitting a write of it to the status page
  * plus an interrupt, which will trigger i915_user_interrupt_handler.
@@ -1622,13 +1629,47 @@ i915_add_request(struct drm_device *dev, struct drm_file *file_priv,
         if (dev_priv->mm.next_gem_seqno == 0)
                 dev_priv->mm.next_gem_seqno++;
 
-        BEGIN_LP_RING(4);
-        OUT_RING(MI_STORE_DWORD_INDEX);
-        OUT_RING(I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
-        OUT_RING(seqno);
+        if (HAS_PIPE_CONTROL(dev)) {
+                u32 scratch_addr = dev_priv->seqno_gfx_addr + 128;
 
-        OUT_RING(MI_USER_INTERRUPT);
-        ADVANCE_LP_RING();
+                /*
+                 * Workaround qword write incoherence by flushing the
+                 * PIPE_NOTIFY buffers out to memory before requesting
+                 * an interrupt.
+                 */
+                BEGIN_LP_RING(32);
+                OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
+                         PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH);
+                OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
+                OUT_RING(seqno);
+                OUT_RING(0);
+                PIPE_CONTROL_FLUSH(scratch_addr);
+                scratch_addr += 128; /* write to separate cachelines */
+                PIPE_CONTROL_FLUSH(scratch_addr);
+                scratch_addr += 128;
+                PIPE_CONTROL_FLUSH(scratch_addr);
+                scratch_addr += 128;
+                PIPE_CONTROL_FLUSH(scratch_addr);
+                scratch_addr += 128;
+                PIPE_CONTROL_FLUSH(scratch_addr);
+                scratch_addr += 128;
+                PIPE_CONTROL_FLUSH(scratch_addr);
+                OUT_RING(GFX_OP_PIPE_CONTROL | PIPE_CONTROL_QW_WRITE |
+                         PIPE_CONTROL_WC_FLUSH | PIPE_CONTROL_TC_FLUSH |
+                         PIPE_CONTROL_NOTIFY);
+                OUT_RING(dev_priv->seqno_gfx_addr | PIPE_CONTROL_GLOBAL_GTT);
+                OUT_RING(seqno);
+                OUT_RING(0);
+                ADVANCE_LP_RING();
+        } else {
+                BEGIN_LP_RING(4);
+                OUT_RING(MI_STORE_DWORD_INDEX);
+                OUT_RING(I915_GEM_HWS_INDEX << MI_STORE_DWORD_INDEX_SHIFT);
+                OUT_RING(seqno);
+
+                OUT_RING(MI_USER_INTERRUPT);
+                ADVANCE_LP_RING();
+        }
 
         DRM_DEBUG_DRIVER("%d\n", seqno);
 
@@ -1752,7 +1793,10 @@ i915_get_gem_seqno(struct drm_device *dev)
 {
         drm_i915_private_t *dev_priv = dev->dev_private;
 
-        return READ_HWSP(dev_priv, I915_GEM_HWS_INDEX);
+        if (HAS_PIPE_CONTROL(dev))
+                return ((volatile u32 *)(dev_priv->seqno_page))[0];
+        else
+                return READ_HWSP(dev_priv, I915_GEM_HWS_INDEX);
 }
 
 /**
@@ -2362,6 +2406,12 @@ static void i915_write_fence_reg(struct drm_i915_fence_reg *reg)
         pitch_val = obj_priv->stride / tile_width;
         pitch_val = ffs(pitch_val) - 1;
 
+        if (obj_priv->tiling_mode == I915_TILING_Y &&
+            HAS_128_BYTE_Y_TILING(dev))
+                WARN_ON(pitch_val > I830_FENCE_MAX_PITCH_VAL);
+        else
+                WARN_ON(pitch_val > I915_FENCE_MAX_PITCH_VAL);
+
         val = obj_priv->gtt_offset;
         if (obj_priv->tiling_mode == I915_TILING_Y)
                 val |= 1 << I830_FENCE_TILING_Y_SHIFT;
@@ -4554,6 +4604,49 @@ i915_gem_idle(struct drm_device *dev)
         return 0;
 }
 
+/*
+ * 965+ support PIPE_CONTROL commands, which provide finer grained control
+ * over cache flushing.
+ */
+static int
+i915_gem_init_pipe_control(struct drm_device *dev)
+{
+        drm_i915_private_t *dev_priv = dev->dev_private;
+        struct drm_gem_object *obj;
+        struct drm_i915_gem_object *obj_priv;
+        int ret;
+
+        obj = i915_gem_alloc_object(dev, 4096);
+        if (obj == NULL) {
+                DRM_ERROR("Failed to allocate seqno page\n");
+                ret = -ENOMEM;
+                goto err;
+        }
+        obj_priv = to_intel_bo(obj);
+        obj_priv->agp_type = AGP_USER_CACHED_MEMORY;
+
+        ret = i915_gem_object_pin(obj, 4096);
+        if (ret)
+                goto err_unref;
+
+        dev_priv->seqno_gfx_addr = obj_priv->gtt_offset;
+        dev_priv->seqno_page =  kmap(obj_priv->pages[0]);
+        if (dev_priv->seqno_page == NULL)
+                goto err_unpin;
+
+        dev_priv->seqno_obj = obj;
+        memset(dev_priv->seqno_page, 0, PAGE_SIZE);
+
+        return 0;
+
+err_unpin:
+        i915_gem_object_unpin(obj);
+err_unref:
+        drm_gem_object_unreference(obj);
+err:
+        return ret;
+}
+
 static int
 i915_gem_init_hws(struct drm_device *dev)
 {
@@ -4571,7 +4664,8 @@ i915_gem_init_hws(struct drm_device *dev)
         obj = i915_gem_alloc_object(dev, 4096);
         if (obj == NULL) {
                 DRM_ERROR("Failed to allocate status page\n");
-                return -ENOMEM;
+                ret = -ENOMEM;
+                goto err;
         }
         obj_priv = to_intel_bo(obj);
         obj_priv->agp_type = AGP_USER_CACHED_MEMORY;
@@ -4579,7 +4673,7 @@ i915_gem_init_hws(struct drm_device *dev)
         ret = i915_gem_object_pin(obj, 4096);
         if (ret != 0) {
                 drm_gem_object_unreference(obj);
-                return ret;
+                goto err_unref;
         }
 
         dev_priv->status_gfx_addr = obj_priv->gtt_offset;
@@ -4588,10 +4682,16 @@ i915_gem_init_hws(struct drm_device *dev)
         if (dev_priv->hw_status_page == NULL) {
                 DRM_ERROR("Failed to map status page.\n");
                 memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
-                i915_gem_object_unpin(obj);
-                drm_gem_object_unreference(obj);
-                return -EINVAL;
+                ret = -EINVAL;
+                goto err_unpin;
         }
+
+        if (HAS_PIPE_CONTROL(dev)) {
+                ret = i915_gem_init_pipe_control(dev);
+                if (ret)
+                        goto err_unpin;
+        }
+
         dev_priv->hws_obj = obj;
         memset(dev_priv->hw_status_page, 0, PAGE_SIZE);
         if (IS_GEN6(dev)) {
@@ -4604,6 +4704,30 @@ i915_gem_init_hws(struct drm_device *dev)
         DRM_DEBUG_DRIVER("hws offset: 0x%08x\n", dev_priv->status_gfx_addr);
 
         return 0;
+
+err_unpin:
+        i915_gem_object_unpin(obj);
+err_unref:
+        drm_gem_object_unreference(obj);
+err:
+        return 0;
+}
+
+static void
+i915_gem_cleanup_pipe_control(struct drm_device *dev)
+{
+        drm_i915_private_t *dev_priv = dev->dev_private;
+        struct drm_gem_object *obj;
+        struct drm_i915_gem_object *obj_priv;
+
+        obj = dev_priv->seqno_obj;
+        obj_priv = to_intel_bo(obj);
+        kunmap(obj_priv->pages[0]);
+        i915_gem_object_unpin(obj);
+        drm_gem_object_unreference(obj);
+        dev_priv->seqno_obj = NULL;
+
+        dev_priv->seqno_page = NULL;
 }
 
 static void
@@ -4627,6 +4751,9 @@ i915_gem_cleanup_hws(struct drm_device *dev)
         memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
         dev_priv->hw_status_page = NULL;
 
+        if (HAS_PIPE_CONTROL(dev))
+                i915_gem_cleanup_pipe_control(dev);
+
         /* Write high address into HWS_PGA when disabling. */
         I915_WRITE(HWS_PGA, 0x1ffff000);
 }
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 449157f71610..4bdccefcf2cf 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -202,21 +202,17 @@ i915_tiling_ok(struct drm_device *dev, int stride, int size, int tiling_mode)
                  * reg, so dont bother to check the size */
                 if (stride / 128 > I965_FENCE_MAX_PITCH_VAL)
                         return false;
-        } else if (IS_I9XX(dev)) {
-                uint32_t pitch_val = ffs(stride / tile_width) - 1;
-
-                /* XXX: For Y tiling, FENCE_MAX_PITCH_VAL is actually 6 (8KB)
-                 * instead of 4 (2KB) on 945s.
-                 */
-                if (pitch_val > I915_FENCE_MAX_PITCH_VAL ||
-                    size > (I830_FENCE_MAX_SIZE_VAL << 20))
+        } else if (IS_GEN3(dev) || IS_GEN2(dev)) {
+                if (stride > 8192)
                         return false;
-        } else {
-                uint32_t pitch_val = ffs(stride / tile_width) - 1;
 
-                if (pitch_val > I830_FENCE_MAX_PITCH_VAL ||
-                    size > (I830_FENCE_MAX_SIZE_VAL << 19))
-                        return false;
+                if (IS_GEN3(dev)) {
+                        if (size > I830_FENCE_MAX_SIZE_VAL << 20)
+                                return false;
+                } else {
+                        if (size > I830_FENCE_MAX_SIZE_VAL << 19)
+                                return false;
+                }
         }
 
         /* 965+ just needs multiples of tile width */
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index ed26b7b7376a..a7e4b1f27497 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -354,7 +354,7 @@ irqreturn_t ironlake_irq_handler(struct drm_device *dev)
                                 READ_BREADCRUMB(dev_priv);
         }
 
-        if (gt_iir & GT_USER_INTERRUPT) {
+        if (gt_iir & GT_PIPE_NOTIFY) {
                 u32 seqno = i915_get_gem_seqno(dev);
                 dev_priv->mm.irq_gem_seqno = seqno;
                 trace_i915_gem_request_complete(dev, seqno);
@@ -1011,7 +1011,7 @@ void i915_user_irq_get(struct drm_device *dev)
         spin_lock_irqsave(&dev_priv->user_irq_lock, irqflags);
         if (dev->irq_enabled && (++dev_priv->user_irq_refcount == 1)) {
                 if (HAS_PCH_SPLIT(dev))
-                        ironlake_enable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
+                        ironlake_enable_graphics_irq(dev_priv, GT_PIPE_NOTIFY);
                 else
                         i915_enable_irq(dev_priv, I915_USER_INTERRUPT);
         }
@@ -1027,7 +1027,7 @@ void i915_user_irq_put(struct drm_device *dev)
         BUG_ON(dev->irq_enabled && dev_priv->user_irq_refcount <= 0);
         if (dev->irq_enabled && (--dev_priv->user_irq_refcount == 0)) {
                 if (HAS_PCH_SPLIT(dev))
-                        ironlake_disable_graphics_irq(dev_priv, GT_USER_INTERRUPT);
+                        ironlake_disable_graphics_irq(dev_priv, GT_PIPE_NOTIFY);
                 else
                         i915_disable_irq(dev_priv, I915_USER_INTERRUPT);
         }
@@ -1311,7 +1311,7 @@ static int ironlake_irq_postinstall(struct drm_device *dev)
         /* enable kind of interrupts always enabled */
         u32 display_mask = DE_MASTER_IRQ_CONTROL | DE_GSE | DE_PCH_EVENT |
                            DE_PLANEA_FLIP_DONE | DE_PLANEB_FLIP_DONE;
-        u32 render_mask = GT_USER_INTERRUPT;
+        u32 render_mask = GT_PIPE_NOTIFY;
         u32 hotplug_mask = SDE_CRT_HOTPLUG | SDE_PORTB_HOTPLUG |
                            SDE_PORTC_HOTPLUG | SDE_PORTD_HOTPLUG;
 
diff --git a/drivers/gpu/drm/i915/i915_opregion.c b/drivers/gpu/drm/i915/i915_opregion.c
index 7cc8410239cb..8fcc75c1aa28 100644
--- a/drivers/gpu/drm/i915/i915_opregion.c
+++ b/drivers/gpu/drm/i915/i915_opregion.c
@@ -382,8 +382,57 @@ static void intel_didl_outputs(struct drm_device *dev)
         struct drm_i915_private *dev_priv = dev->dev_private;
         struct intel_opregion *opregion = &dev_priv->opregion;
         struct drm_connector *connector;
+        acpi_handle handle;
+        struct acpi_device *acpi_dev, *acpi_cdev, *acpi_video_bus = NULL;
+        unsigned long long device_id;
+        acpi_status status;
         int i = 0;
 
+        handle = DEVICE_ACPI_HANDLE(&dev->pdev->dev);
+        if (!handle || ACPI_FAILURE(acpi_bus_get_device(handle, &acpi_dev)))
+                return;
+
+        if (acpi_is_video_device(acpi_dev))
+                acpi_video_bus = acpi_dev;
+        else {
+                list_for_each_entry(acpi_cdev, &acpi_dev->children, node) {
+                        if (acpi_is_video_device(acpi_cdev)) {
+                                acpi_video_bus = acpi_cdev;
+                                break;
+                        }
+                }
+        }
+
+        if (!acpi_video_bus) {
+                printk(KERN_WARNING "No ACPI video bus found\n");
+                return;
+        }
+
+        list_for_each_entry(acpi_cdev, &acpi_video_bus->children, node) {
+                if (i >= 8) {
+                        dev_printk (KERN_ERR, &dev->pdev->dev,
+                                    "More than 8 outputs detected\n");
+                        return;
+                }
+                status =
+                        acpi_evaluate_integer(acpi_cdev->handle, "_ADR",
+                                                NULL, &device_id);
+                if (ACPI_SUCCESS(status)) {
+                        if (!device_id)
+                                goto blind_set;
+                        opregion->acpi->didl[i] = (u32)(device_id & 0x0f0f);
+                        i++;
+                }
+        }
+
+end:
+        /* If fewer than 8 outputs, the list must be null terminated */
+        if (i < 8)
+                opregion->acpi->didl[i] = 0;
+        return;
+
+blind_set:
+        i = 0;
         list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
                 int output_type = ACPI_OTHER_OUTPUT;
                 if (i >= 8) {
@@ -416,10 +465,7 @@ static void intel_didl_outputs(struct drm_device *dev)
                 opregion->acpi->didl[i] |= (1<<31) | output_type | i;
                 i++;
         }
-
-        /* If fewer than 8 outputs, the list must be null terminated */
-        if (i < 8)
-                opregion->acpi->didl[i] = 0;
+        goto end;
 }
 
 int intel_opregion_init(struct drm_device *dev, int resume)
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 0bbbb7753950..f3e39cc46f0d 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -230,6 +230,16 @@
 #define   ASYNC_FLIP                (1<<22)
 #define   DISPLAY_PLANE_A           (0<<20)
 #define   DISPLAY_PLANE_B           (1<<20)
+#define GFX_OP_PIPE_CONTROL     ((0x3<<29)|(0x3<<27)|(0x2<<24)|2)
+#define   PIPE_CONTROL_QW_WRITE (1<<14)
+#define   PIPE_CONTROL_DEPTH_STALL (1<<13)
+#define   PIPE_CONTROL_WC_FLUSH (1<<12)
+#define   PIPE_CONTROL_IS_FLUSH (1<<11) /* MBZ on Ironlake */
+#define   PIPE_CONTROL_TC_FLUSH (1<<10) /* GM45+ only */
+#define   PIPE_CONTROL_ISP_DIS  (1<<9)
+#define   PIPE_CONTROL_NOTIFY   (1<<8)
+#define   PIPE_CONTROL_GLOBAL_GTT (1<<2) /* in addr dword */
+#define   PIPE_CONTROL_STALL_EN (1<<1) /* in addr word, Ironlake+ only */
 
 /*
  * Fence registers
@@ -241,7 +251,7 @@
 #define   I830_FENCE_SIZE_BITS(size)    ((ffs((size) >> 19) - 1) << 8)
 #define   I830_FENCE_PITCH_SHIFT        4
 #define   I830_FENCE_REG_VALID          (1<<0)
-#define   I915_FENCE_MAX_PITCH_VAL      0x10
+#define   I915_FENCE_MAX_PITCH_VAL      4
 #define   I830_FENCE_MAX_PITCH_VAL      6
 #define   I830_FENCE_MAX_SIZE_VAL       (1<<8)
 
@@ -2342,6 +2352,7 @@
 #define DEIER   0x4400c
 
 /* GT interrupt */
+#define GT_PIPE_NOTIFY          (1 << 4)
 #define GT_SYNC_STATUS          (1 << 2)
 #define GT_USER_INTERRUPT       (1 << 0)
 
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 84c1aca8637e..e775ce67be33 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5291,17 +5291,18 @@ static void intel_init_display(struct drm_device *dev)
                 dev_priv->display.update_wm = g4x_update_wm;
         else if (IS_I965G(dev))
                 dev_priv->display.update_wm = i965_update_wm;
-        else if (IS_I9XX(dev) || IS_MOBILE(dev)) {
+        else if (IS_I9XX(dev)) {
                 dev_priv->display.update_wm = i9xx_update_wm;
                 dev_priv->display.get_fifo_size = i9xx_get_fifo_size;
+        } else if (IS_I85X(dev)) {
+                dev_priv->display.update_wm = i9xx_update_wm;
+                dev_priv->display.get_fifo_size = i85x_get_fifo_size;
         } else {
-                if (IS_I85X(dev))
-                        dev_priv->display.get_fifo_size = i85x_get_fifo_size;
-                else if (IS_845G(dev))
+                dev_priv->display.update_wm = i830_update_wm;
+                if (IS_845G(dev))
                         dev_priv->display.get_fifo_size = i845_get_fifo_size;
                 else
                         dev_priv->display.get_fifo_size = i830_get_fifo_size;
-                dev_priv->display.update_wm = i830_update_wm;
         }
 }
 
diff --git a/drivers/gpu/drm/radeon/atombios.h b/drivers/gpu/drm/radeon/atombios.h
index 26986c8e1f45..2ebcb979dd7e 100644
--- a/drivers/gpu/drm/radeon/atombios.h
+++ b/drivers/gpu/drm/radeon/atombios.h
@@ -2912,7 +2912,7 @@ typedef struct _ATOM_ANALOG_TV_INFO_V1_2
   UCHAR                    ucTV_BootUpDefaultStandard; 
   UCHAR                    ucExt_TV_ASIC_ID;
   UCHAR                    ucExt_TV_ASIC_SlaveAddr;
-  ATOM_DTD_FORMAT          aModeTimings[MAX_SUPPORTED_TV_TIMING];
+  ATOM_DTD_FORMAT          aModeTimings[MAX_SUPPORTED_TV_TIMING_V1_2];
 }ATOM_ANALOG_TV_INFO_V1_2;
 
 typedef struct _ATOM_DPCD_INFO
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 9bdccb964999..4de41b0ad5ce 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -3004,7 +3004,7 @@ int r100_cs_track_check(struct radeon_device *rdev, struct r100_cs_track *track)
 
         for (i = 0; i < track->num_cb; i++) {
                 if (track->cb[i].robj == NULL) {
-                        if (!(track->fastfill || track->color_channel_mask ||
+                        if (!(track->zb_cb_clear || track->color_channel_mask ||
                               track->blend_read_enable)) {
                                 continue;
                         }
diff --git a/drivers/gpu/drm/radeon/r100_track.h b/drivers/gpu/drm/radeon/r100_track.h
index fadfe68de9cc..f47cdca1c004 100644
--- a/drivers/gpu/drm/radeon/r100_track.h
+++ b/drivers/gpu/drm/radeon/r100_track.h
@@ -75,7 +75,7 @@ struct r100_cs_track {
         struct r100_cs_track_texture    textures[R300_TRACK_MAX_TEXTURE];
         bool                            z_enabled;
         bool                            separate_cube;
-        bool                            fastfill;
+        bool                            zb_cb_clear;
         bool                            blend_read_enable;
 };
 
diff --git a/drivers/gpu/drm/radeon/r300.c b/drivers/gpu/drm/radeon/r300.c
index 5d622cb39b33..6d9569e002f7 100644
--- a/drivers/gpu/drm/radeon/r300.c
+++ b/drivers/gpu/drm/radeon/r300.c
@@ -328,13 +328,12 @@ void r300_gpu_init(struct radeon_device *rdev)
 {
         uint32_t gb_tile_config, tmp;
 
-        /* FIXME: rv380 one pipes ? */
         if ((rdev->family == CHIP_R300 && rdev->pdev->device != 0x4144) ||
-            (rdev->family == CHIP_R350)) {
+            (rdev->family == CHIP_R350 && rdev->pdev->device != 0x4148)) {
                 /* r300,r350 */
                 rdev->num_gb_pipes = 2;
         } else {
-                /* rv350,rv370,rv380,r300 AD */
+                /* rv350,rv370,rv380,r300 AD, r350 AH */
                 rdev->num_gb_pipes = 1;
         }
         rdev->num_z_pipes = 1;
@@ -1045,7 +1044,7 @@ static int r300_packet0_check(struct radeon_cs_parser *p,
                 break;
         case 0x4d1c:
                 /* ZB_BW_CNTL */
-                track->fastfill = !!(idx_value & (1 << 2));
+                track->zb_cb_clear = !!(idx_value & (1 << 5));
                 break;
         case 0x4e04:
                 /* RB3D_BLENDCNTL */
diff --git a/drivers/gpu/drm/radeon/r300_cmdbuf.c b/drivers/gpu/drm/radeon/r300_cmdbuf.c
index ea46d558e8f3..c5c2742e4140 100644
--- a/drivers/gpu/drm/radeon/r300_cmdbuf.c
+++ b/drivers/gpu/drm/radeon/r300_cmdbuf.c
@@ -921,7 +921,7 @@ static int r300_scratch(drm_radeon_private_t *dev_priv,
 
         ptr_addr = drm_buffer_read_object(cmdbuf->buffer,
                         sizeof(stack_ptr_addr), &stack_ptr_addr);
-        ref_age_base = (u32 *)(unsigned long)*ptr_addr;
+        ref_age_base = (u32 *)(unsigned long)get_unaligned(ptr_addr);
 
         for (i=0; i < header.scratch.n_bufs; i++) {
                 buf_idx = drm_buffer_pointer_to_dword(cmdbuf->buffer, 0);
diff --git a/drivers/gpu/drm/radeon/r420.c b/drivers/gpu/drm/radeon/r420.c
index 3759d8384294..be092d243f84 100644
--- a/drivers/gpu/drm/radeon/r420.c
+++ b/drivers/gpu/drm/radeon/r420.c
@@ -59,6 +59,12 @@ void r420_pipes_init(struct radeon_device *rdev)
         /* get max number of pipes */
         gb_pipe_select = RREG32(0x402C);
         num_pipes = ((gb_pipe_select >> 12) & 3) + 1;
+
+        /* SE chips have 1 pipe */
+        if ((rdev->pdev->device == 0x5e4c) ||
+            (rdev->pdev->device == 0x5e4f))
+                num_pipes = 1;
+
         rdev->num_gb_pipes = num_pipes;
         tmp = 0;
         switch (num_pipes) {
diff --git a/drivers/gpu/drm/radeon/radeon_agp.c b/drivers/gpu/drm/radeon/radeon_agp.c
index c4457791dff1..28e473f1f56f 100644
--- a/drivers/gpu/drm/radeon/radeon_agp.c
+++ b/drivers/gpu/drm/radeon/radeon_agp.c
@@ -134,12 +134,10 @@ int radeon_agp_init(struct radeon_device *rdev)
         int ret;
 
         /* Acquire AGP. */
-        if (!rdev->ddev->agp->acquired) {
-                ret = drm_agp_acquire(rdev->ddev);
-                if (ret) {
-                        DRM_ERROR("Unable to acquire AGP: %d\n", ret);
-                        return ret;
-                }
+        ret = drm_agp_acquire(rdev->ddev);
+        if (ret) {
+                DRM_ERROR("Unable to acquire AGP: %d\n", ret);
+                return ret;
         }
 
         ret = drm_agp_info(rdev->ddev, &info);
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 273019925e0b..1d05debdd604 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1264,7 +1264,7 @@ bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
         switch (crev) {
         case 1:
                 tv_info = (ATOM_ANALOG_TV_INFO *)(mode_info->atom_context->bios + data_offset);
-                if (index > MAX_SUPPORTED_TV_TIMING)
+                if (index >= MAX_SUPPORTED_TV_TIMING)
                         return false;
 
                 mode->crtc_htotal = le16_to_cpu(tv_info->aModeTimings[index].usCRTC_H_Total);
@@ -1302,7 +1302,7 @@ bool radeon_atom_get_tv_timings(struct radeon_device *rdev, int index,
                 break;
         case 2:
                 tv_info_v1_2 = (ATOM_ANALOG_TV_INFO_V1_2 *)(mode_info->atom_context->bios + data_offset);
-                if (index > MAX_SUPPORTED_TV_TIMING_V1_2)
+                if (index >= MAX_SUPPORTED_TV_TIMING_V1_2)
                         return false;
 
                 dtd_timings = &tv_info_v1_2->aModeTimings[index];
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index c48934677adf..40a24c941f20 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1294,6 +1294,8 @@ radeon_add_legacy_connector(struct drm_device *dev,
                         radeon_connector->ddc_bus = radeon_i2c_create(dev, i2c_bus, "DVI");
                         if (!radeon_connector->ddc_bus)
                                 goto failed;
+                }
+                if (connector_type == DRM_MODE_CONNECTOR_DVII) {
                         radeon_connector->dac_load_detect = true;
                         drm_connector_attach_property(&radeon_connector->base,
                                                       rdev->mode_info.load_detect_property,
diff --git a/drivers/gpu/drm/radeon/radeon_cp.c b/drivers/gpu/drm/radeon/radeon_cp.c
index 419630dd2075..2f042a3c0e62 100644
--- a/drivers/gpu/drm/radeon/radeon_cp.c
+++ b/drivers/gpu/drm/radeon/radeon_cp.c
@@ -435,14 +435,19 @@ static void radeon_init_pipes(struct drm_device *dev)
         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R420) {
                 gb_pipe_sel = RADEON_READ(R400_GB_PIPE_SELECT);
                 dev_priv->num_gb_pipes = ((gb_pipe_sel >> 12) & 0x3) + 1;
+                /* SE cards have 1 pipe */
+                if ((dev->pdev->device == 0x5e4c) ||
+                    (dev->pdev->device == 0x5e4f))
+                        dev_priv->num_gb_pipes = 1;
         } else {
                 /* R3xx */
                 if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R300 &&
                      dev->pdev->device != 0x4144) ||
-                    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350)) {
+                    ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_R350 &&
+                     dev->pdev->device != 0x4148)) {
                         dev_priv->num_gb_pipes = 2;
                 } else {
-                        /* RV3xx/R300 AD */
+                        /* RV3xx/R300 AD/R350 AH */
                         dev_priv->num_gb_pipes = 1;
                 }
         }
diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
index 243c1c4bc836..ce5163ed1fa6 100644
--- a/drivers/gpu/drm/radeon/radeon_display.c
+++ b/drivers/gpu/drm/radeon/radeon_display.c
@@ -86,12 +86,12 @@ static void evergreen_crtc_load_lut(struct drm_crtc *crtc)
         WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_GREEN + radeon_crtc->crtc_offset, 0xffff);
         WREG32(EVERGREEN_DC_LUT_WHITE_OFFSET_RED + radeon_crtc->crtc_offset, 0xffff);
 
-        WREG32(EVERGREEN_DC_LUT_RW_MODE, radeon_crtc->crtc_id);
-        WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK, 0x00000007);
+        WREG32(EVERGREEN_DC_LUT_RW_MODE + radeon_crtc->crtc_offset, 0);
+        WREG32(EVERGREEN_DC_LUT_WRITE_EN_MASK + radeon_crtc->crtc_offset, 0x00000007);
 
-        WREG32(EVERGREEN_DC_LUT_RW_INDEX, 0);
+        WREG32(EVERGREEN_DC_LUT_RW_INDEX + radeon_crtc->crtc_offset, 0);
         for (i = 0; i < 256; i++) {
-                WREG32(EVERGREEN_DC_LUT_30_COLOR,
+                WREG32(EVERGREEN_DC_LUT_30_COLOR + radeon_crtc->crtc_offset,
                        (radeon_crtc->lut_r[i] << 20) |
                        (radeon_crtc->lut_g[i] << 10) |
                        (radeon_crtc->lut_b[i] << 0));
diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c
index 30293bec0801..c5ddaf58563a 100644
--- a/drivers/gpu/drm/radeon/radeon_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_encoders.c
@@ -254,6 +254,53 @@ radeon_get_atom_connector_priv_from_encoder(struct drm_encoder *encoder)
         return dig_connector;
 }
 
+void radeon_panel_mode_fixup(struct drm_encoder *encoder,
+                             struct drm_display_mode *adjusted_mode)
+{
+        struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
+        struct drm_device *dev = encoder->dev;
+        struct radeon_device *rdev = dev->dev_private;
+        struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
+        unsigned hblank = native_mode->htotal - native_mode->hdisplay;
+        unsigned vblank = native_mode->vtotal - native_mode->vdisplay;
+        unsigned hover = native_mode->hsync_start - native_mode->hdisplay;
+        unsigned vover = native_mode->vsync_start - native_mode->vdisplay;
+        unsigned hsync_width = native_mode->hsync_end - native_mode->hsync_start;
+        unsigned vsync_width = native_mode->vsync_end - native_mode->vsync_start;
+
+        adjusted_mode->clock = native_mode->clock;
+        adjusted_mode->flags = native_mode->flags;
+
+        if (ASIC_IS_AVIVO(rdev)) {
+                adjusted_mode->hdisplay = native_mode->hdisplay;
+                adjusted_mode->vdisplay = native_mode->vdisplay;
+        }
+
+        adjusted_mode->htotal = native_mode->hdisplay + hblank;
+        adjusted_mode->hsync_start = native_mode->hdisplay + hover;
+        adjusted_mode->hsync_end = adjusted_mode->hsync_start + hsync_width;
+
+        adjusted_mode->vtotal = native_mode->vdisplay + vblank;
+        adjusted_mode->vsync_start = native_mode->vdisplay + vover;
+        adjusted_mode->vsync_end = adjusted_mode->vsync_start + vsync_width;
+
+        drm_mode_set_crtcinfo(adjusted_mode, CRTC_INTERLACE_HALVE_V);
+
+        if (ASIC_IS_AVIVO(rdev)) {
+                adjusted_mode->crtc_hdisplay = native_mode->hdisplay;
+                adjusted_mode->crtc_vdisplay = native_mode->vdisplay;
+        }
+
+        adjusted_mode->crtc_htotal = adjusted_mode->crtc_hdisplay + hblank;
+        adjusted_mode->crtc_hsync_start = adjusted_mode->crtc_hdisplay + hover;
+        adjusted_mode->crtc_hsync_end = adjusted_mode->crtc_hsync_start + hsync_width;
+
+        adjusted_mode->crtc_vtotal = adjusted_mode->crtc_vdisplay + vblank;
+        adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + vover;
+        adjusted_mode->crtc_vsync_end = adjusted_mode->crtc_vsync_start + vsync_width;
+
+}
+
 static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
                                    struct drm_display_mode *mode,
                                    struct drm_display_mode *adjusted_mode)
@@ -275,18 +322,8 @@ static bool radeon_atom_mode_fixup(struct drm_encoder *encoder,
                 adjusted_mode->crtc_vsync_start = adjusted_mode->crtc_vdisplay + 2;
 
         /* get the native mode for LVDS */
-        if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
-                struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
-                int mode_id = adjusted_mode->base.id;
-                *adjusted_mode = *native_mode;
-                if (!ASIC_IS_AVIVO(rdev)) {
-                        adjusted_mode->hdisplay = mode->hdisplay;
-                        adjusted_mode->vdisplay = mode->vdisplay;
-                        adjusted_mode->crtc_hdisplay = mode->hdisplay;
-                        adjusted_mode->crtc_vdisplay = mode->vdisplay;
-                }
-                adjusted_mode->base.id = mode_id;
-        }
+        if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
+                radeon_panel_mode_fixup(encoder, adjusted_mode);
 
         /* get the native mode for TV */
         if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {
@@ -1326,7 +1363,7 @@ radeon_atom_encoder_mode_set(struct drm_encoder *encoder,
 
         radeon_encoder->pixel_clock = adjusted_mode->clock;
 
-        if (ASIC_IS_AVIVO(rdev)) {
+        if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE4(rdev)) {
                 if (radeon_encoder->active_device & (ATOM_DEVICE_CV_SUPPORT | ATOM_DEVICE_TV_SUPPORT))
                         atombios_yuv_setup(encoder, true);
                 else
diff --git a/drivers/gpu/drm/radeon/radeon_kms.c b/drivers/gpu/drm/radeon/radeon_kms.c
index d3657dcfdd26..c633319f98ed 100644
--- a/drivers/gpu/drm/radeon/radeon_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_kms.c
@@ -165,7 +165,7 @@ u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc)
 {
         struct radeon_device *rdev = dev->dev_private;
 
-        if (crtc < 0 || crtc > 1) {
+        if (crtc < 0 || crtc >= rdev->num_crtc) {
                 DRM_ERROR("Invalid crtc %d\n", crtc);
                 return -EINVAL;
         }
@@ -177,7 +177,7 @@ int radeon_enable_vblank_kms(struct drm_device *dev, int crtc)
 {
         struct radeon_device *rdev = dev->dev_private;
 
-        if (crtc < 0 || crtc > 1) {
+        if (crtc < 0 || crtc >= rdev->num_crtc) {
                 DRM_ERROR("Invalid crtc %d\n", crtc);
                 return -EINVAL;
         }
@@ -191,7 +191,7 @@ void radeon_disable_vblank_kms(struct drm_device *dev, int crtc)
 {
         struct radeon_device *rdev = dev->dev_private;
 
-        if (crtc < 0 || crtc > 1) {
+        if (crtc < 0 || crtc >= rdev->num_crtc) {
                 DRM_ERROR("Invalid crtc %d\n", crtc);
                 return;
         }
diff --git a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
index 2441cca7d775..0274abe17ad9 100644
--- a/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
+++ b/drivers/gpu/drm/radeon/radeon_legacy_encoders.c
@@ -228,16 +228,8 @@ static bool radeon_legacy_mode_fixup(struct drm_encoder *encoder,
         drm_mode_set_crtcinfo(adjusted_mode, 0);
 
         /* get the native mode for LVDS */
-        if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
-                struct drm_display_mode *native_mode = &radeon_encoder->native_mode;
-                int mode_id = adjusted_mode->base.id;
-                *adjusted_mode = *native_mode;
-                adjusted_mode->hdisplay = mode->hdisplay;
-                adjusted_mode->vdisplay = mode->vdisplay;
-                adjusted_mode->crtc_hdisplay = mode->hdisplay;
-                adjusted_mode->crtc_vdisplay = mode->vdisplay;
-                adjusted_mode->base.id = mode_id;
-        }
+        if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT))
+                radeon_panel_mode_fixup(encoder, adjusted_mode);
 
         return true;
 }
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index dd451c55c533..a2bc31465e4f 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -564,6 +564,8 @@ extern int radeon_static_clocks_init(struct drm_device *dev);
 bool radeon_crtc_scaling_mode_fixup(struct drm_crtc *crtc,
                                         struct drm_display_mode *mode,
                                         struct drm_display_mode *adjusted_mode);
+void radeon_panel_mode_fixup(struct drm_encoder *encoder,
+                             struct drm_display_mode *adjusted_mode);
 void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *radeon_crtc);
 
 /* legacy tv */
diff --git a/drivers/gpu/drm/via/via_video.c b/drivers/gpu/drm/via/via_video.c
index 6ec04ac12459..6efac8117c93 100644
--- a/drivers/gpu/drm/via/via_video.c
+++ b/drivers/gpu/drm/via/via_video.c
@@ -75,7 +75,7 @@ int via_decoder_futex(struct drm_device *dev, void *data, struct drm_file *file_
 
         DRM_DEBUG("\n");
 
-        if (fx->lock > VIA_NR_XVMC_LOCKS)
+        if (fx->lock >= VIA_NR_XVMC_LOCKS)
                 return -EFAULT;
 
         lock = (volatile int *)XVMCLOCKPTR(sAPriv, fx->lock);
diff --git a/drivers/gpu/vga/vga_switcheroo.c b/drivers/gpu/vga/vga_switcheroo.c
index d6d1149d525d..c8768f38511e 100644
--- a/drivers/gpu/vga/vga_switcheroo.c
+++ b/drivers/gpu/vga/vga_switcheroo.c
@@ -276,8 +276,10 @@ vga_switcheroo_debugfs_write(struct file *filp, const char __user *ubuf,
 
         mutex_lock(&vgasr_mutex);
 
-        if (!vgasr_priv.active)
-                return -EINVAL;
+        if (!vgasr_priv.active) {
+                cnt = -EINVAL;
+                goto out;
+        }
 
         /* pwr off the device not in use */
         if (strncmp(usercmd, "OFF", 3) == 0) {