Merge branch 'drm-fixes' of /home/airlied/kernel/linux-2.6 into drm-core-next

Conflicts:
	drivers/gpu/drm/i915/intel_fb.c
	drivers/gpu/drm/radeon/r600_blit_kms.c
	drivers/gpu/drm/ttm/ttm_bo.c

19 files changed, 127 insertions, 60 deletions

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 726c373..2519873 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -2063,6 +2063,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 	dev_priv->mchdev_lock = &mchdev_lock;
 	spin_unlock(&mchdev_lock);
 
+	/* XXX Prevent module unload due to memory corruption bugs. */
+	__module_get(THIS_MODULE);
+
 	return 0;
 
 out_workqueue_free:
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index b937ccf..521622b 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -225,8 +225,8 @@ static void intel_fbdev_destroy(struct drm_device *dev,
 
 	drm_framebuffer_cleanup(&ifb->base);
 	if (ifb->obj) {
-		drm_gem_object_handle_unreference_unlocked(ifb->obj);
-		drm_gem_object_unreference_unlocked(ifb->obj);
+		drm_gem_object_unreference(ifb->obj);
+		ifb->obj = NULL;
 	}
 }
 
diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index c5afd14..02a4d1f 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -358,7 +358,6 @@ nouveau_fbcon_destroy(struct drm_device *dev, struct nouveau_fbdev *nfbdev)
 
 	if (nouveau_fb->nvbo) {
 		nouveau_bo_unmap(nouveau_fb->nvbo);
-		drm_gem_object_handle_unreference_unlocked(nouveau_fb->nvbo->gem);
 		drm_gem_object_unreference_unlocked(nouveau_fb->nvbo->gem);
 		nouveau_fb->nvbo = NULL;
 	}
diff --git a/drivers/gpu/drm/nouveau/nouveau_notifier.c b/drivers/gpu/drm/nouveau/nouveau_notifier.c
index d670839..2cc59f8 100644
--- a/drivers/gpu/drm/nouveau/nouveau_notifier.c
+++ b/drivers/gpu/drm/nouveau/nouveau_notifier.c
@@ -80,7 +80,6 @@ nouveau_notifier_takedown_channel(struct nouveau_channel *chan)
 	mutex_lock(&dev->struct_mutex);
 	nouveau_bo_unpin(chan->notifier_bo);
 	mutex_unlock(&dev->struct_mutex);
-	drm_gem_object_handle_unreference_unlocked(chan->notifier_bo->gem);
 	drm_gem_object_unreference_unlocked(chan->notifier_bo->gem);
 	drm_mm_takedown(&chan->notifier_heap);
 }
diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c
index aee61ae..77ebcbc 100644
--- a/drivers/gpu/drm/radeon/evergreen.c
+++ b/drivers/gpu/drm/radeon/evergreen.c
@@ -1148,7 +1148,7 @@ static void evergreen_gpu_init(struct radeon_device *rdev)
 
 		WREG32(RCU_IND_INDEX, 0x203);
 		efuse_straps_3 = RREG32(RCU_IND_DATA);
-		efuse_box_bit_127_124 = (u8)(efuse_straps_3 & 0xF0000000) >> 28;
+		efuse_box_bit_127_124 = (u8)((efuse_straps_3 & 0xF0000000) >> 28);
 
 		switch(efuse_box_bit_127_124) {
 		case 0x0:
@@ -1418,6 +1418,7 @@ int evergreen_mc_init(struct radeon_device *rdev)
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	r600_vram_gtt_location(rdev, &rdev->mc);
 	radeon_update_bandwidth_info(rdev);
 
@@ -1531,7 +1532,7 @@ void evergreen_disable_interrupt_state(struct radeon_device *rdev)
 {
 	u32 tmp;
 
-	WREG32(CP_INT_CNTL, 0);
+	WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
 	WREG32(GRBM_INT_CNTL, 0);
 	WREG32(INT_MASK + EVERGREEN_CRTC0_REGISTER_OFFSET, 0);
 	WREG32(INT_MASK + EVERGREEN_CRTC1_REGISTER_OFFSET, 0);
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 7712c05..6112ac9 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -981,6 +981,7 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size)
 		return r;
 	}
 	rdev->cp.ready = true;
+	rdev->mc.active_vram_size = rdev->mc.real_vram_size;
 	return 0;
 }
 
@@ -998,6 +999,7 @@ void r100_cp_fini(struct radeon_device *rdev)
 void r100_cp_disable(struct radeon_device *rdev)
 {
 	/* Disable ring */
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	rdev->cp.ready = false;
 	WREG32(RADEON_CP_CSQ_MODE, 0);
 	WREG32(RADEON_CP_CSQ_CNTL, 0);
@@ -2247,6 +2249,7 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
 	/* FIXME we don't use the second aperture yet when we could use it */
 	if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
 		rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
 	if (rdev->flags & RADEON_IS_IGP) {
 		uint32_t tom;
diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c
index 7c5f855..83ba964 100644
--- a/drivers/gpu/drm/radeon/r600.c
+++ b/drivers/gpu/drm/radeon/r600.c
@@ -1248,6 +1248,7 @@ int r600_mc_init(struct radeon_device *rdev)
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	r600_vram_gtt_location(rdev, &rdev->mc);
 
 	if (rdev->flags & RADEON_IS_IGP) {
@@ -1917,6 +1918,7 @@ void r600_pciep_wreg(struct radeon_device *rdev, u32 reg, u32 v)
  */
 void r600_cp_stop(struct radeon_device *rdev)
 {
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	WREG32(R_0086D8_CP_ME_CNTL, S_0086D8_CP_ME_HALT(1));
 	WREG32(SCRATCH_UMSK, 0);
 }
@@ -2861,7 +2863,7 @@ static void r600_disable_interrupt_state(struct radeon_device *rdev)
 {
 	u32 tmp;
 
-	WREG32(CP_INT_CNTL, 0);
+	WREG32(CP_INT_CNTL, CNTX_BUSY_INT_ENABLE | CNTX_EMPTY_INT_ENABLE);
 	WREG32(GRBM_INT_CNTL, 0);
 	WREG32(DxMODE_INT_MASK, 0);
 	if (ASIC_IS_DCE3(rdev)) {
diff --git a/drivers/gpu/drm/radeon/r600_blit_kms.c b/drivers/gpu/drm/radeon/r600_blit_kms.c
index 39d566d..8362974 100644
--- a/drivers/gpu/drm/radeon/r600_blit_kms.c
+++ b/drivers/gpu/drm/radeon/r600_blit_kms.c
@@ -545,6 +545,7 @@ done:
 		dev_err(rdev->dev, "(%d) pin blit object failed\n", r);
 		return r;
 	}
+	rdev->mc.active_vram_size = rdev->mc.real_vram_size;
 	return 0;
 }
 
@@ -552,6 +553,7 @@ void r600_blit_fini(struct radeon_device *rdev)
 {
 	int r;
 
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	if (rdev->r600_blit.shader_obj == NULL)
 		return;
 	/* If we can't reserve the bo, unref should be enough to destroy
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index 2edd52e..73f600d3 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -343,6 +343,7 @@ struct radeon_mc {
 	 * about vram size near mc fb location */
 	u64			mc_vram_size;
 	u64			visible_vram_size;
+	u64			active_vram_size;
 	u64			gtt_size;
 	u64			gtt_start;
 	u64			gtt_end;
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 2b44cbc..04cac7e 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1613,39 +1613,39 @@ radeon_atombios_get_tv_info(struct radeon_device *rdev)
 		switch (tv_info->ucTV_BootUpDefaultStandard) {
 		case ATOM_TV_NTSC:
 			tv_std = TV_STD_NTSC;
-			DRM_INFO("Default TV standard: NTSC\n");
+			DRM_DEBUG_KMS("Default TV standard: NTSC\n");
 			break;
 		case ATOM_TV_NTSCJ:
 			tv_std = TV_STD_NTSC_J;
-			DRM_INFO("Default TV standard: NTSC-J\n");
+			DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
 			break;
 		case ATOM_TV_PAL:
 			tv_std = TV_STD_PAL;
-			DRM_INFO("Default TV standard: PAL\n");
+			DRM_DEBUG_KMS("Default TV standard: PAL\n");
 			break;
 		case ATOM_TV_PALM:
 			tv_std = TV_STD_PAL_M;
-			DRM_INFO("Default TV standard: PAL-M\n");
+			DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
 			break;
 		case ATOM_TV_PALN:
 			tv_std = TV_STD_PAL_N;
-			DRM_INFO("Default TV standard: PAL-N\n");
+			DRM_DEBUG_KMS("Default TV standard: PAL-N\n");
 			break;
 		case ATOM_TV_PALCN:
 			tv_std = TV_STD_PAL_CN;
-			DRM_INFO("Default TV standard: PAL-CN\n");
+			DRM_DEBUG_KMS("Default TV standard: PAL-CN\n");
 			break;
 		case ATOM_TV_PAL60:
 			tv_std = TV_STD_PAL_60;
-			DRM_INFO("Default TV standard: PAL-60\n");
+			DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
 			break;
 		case ATOM_TV_SECAM:
 			tv_std = TV_STD_SECAM;
-			DRM_INFO("Default TV standard: SECAM\n");
+			DRM_DEBUG_KMS("Default TV standard: SECAM\n");
 			break;
 		default:
 			tv_std = TV_STD_NTSC;
-			DRM_INFO("Unknown TV standard; defaulting to NTSC\n");
+			DRM_DEBUG_KMS("Unknown TV standard; defaulting to NTSC\n");
 			break;
 		}
 	}
diff --git a/drivers/gpu/drm/radeon/radeon_combios.c b/drivers/gpu/drm/radeon/radeon_combios.c
index a04b7a6..7b7ea26 100644
--- a/drivers/gpu/drm/radeon/radeon_combios.c
+++ b/drivers/gpu/drm/radeon/radeon_combios.c
@@ -913,47 +913,47 @@ radeon_combios_get_tv_info(struct radeon_device *rdev)
 			switch (RBIOS8(tv_info + 7) & 0xf) {
 			case 1:
 				tv_std = TV_STD_NTSC;
-				DRM_INFO("Default TV standard: NTSC\n");
+				DRM_DEBUG_KMS("Default TV standard: NTSC\n");
 				break;
 			case 2:
 				tv_std = TV_STD_PAL;
-				DRM_INFO("Default TV standard: PAL\n");
+				DRM_DEBUG_KMS("Default TV standard: PAL\n");
 				break;
 			case 3:
 				tv_std = TV_STD_PAL_M;
-				DRM_INFO("Default TV standard: PAL-M\n");
+				DRM_DEBUG_KMS("Default TV standard: PAL-M\n");
 				break;
 			case 4:
 				tv_std = TV_STD_PAL_60;
-				DRM_INFO("Default TV standard: PAL-60\n");
+				DRM_DEBUG_KMS("Default TV standard: PAL-60\n");
 				break;
 			case 5:
 				tv_std = TV_STD_NTSC_J;
-				DRM_INFO("Default TV standard: NTSC-J\n");
+				DRM_DEBUG_KMS("Default TV standard: NTSC-J\n");
 				break;
 			case 6:
 				tv_std = TV_STD_SCART_PAL;
-				DRM_INFO("Default TV standard: SCART-PAL\n");
+				DRM_DEBUG_KMS("Default TV standard: SCART-PAL\n");
 				break;
 			default:
 				tv_std = TV_STD_NTSC;
-				DRM_INFO
+				DRM_DEBUG_KMS
 				    ("Unknown TV standard; defaulting to NTSC\n");
 				break;
 			}
 
 			switch ((RBIOS8(tv_info + 9) >> 2) & 0x3) {
 			case 0:
-				DRM_INFO("29.498928713 MHz TV ref clk\n");
+				DRM_DEBUG_KMS("29.498928713 MHz TV ref clk\n");
 				break;
 			case 1:
-				DRM_INFO("28.636360000 MHz TV ref clk\n");
+				DRM_DEBUG_KMS("28.636360000 MHz TV ref clk\n");
 				break;
 			case 2:
-				DRM_INFO("14.318180000 MHz TV ref clk\n");
+				DRM_DEBUG_KMS("14.318180000 MHz TV ref clk\n");
 				break;
 			case 3:
-				DRM_INFO("27.000000000 MHz TV ref clk\n");
+				DRM_DEBUG_KMS("27.000000000 MHz TV ref clk\n");
 				break;
 			default:
 				break;
@@ -1324,7 +1324,7 @@ bool radeon_legacy_get_tmds_info_from_combios(struct radeon_encoder *encoder,
 
 	if (tmds_info) {
 		ver = RBIOS8(tmds_info);
-		DRM_INFO("DFP table revision: %d\n", ver);
+		DRM_DEBUG_KMS("DFP table revision: %d\n", ver);
 		if (ver == 3) {
 			n = RBIOS8(tmds_info + 5) + 1;
 			if (n > 4)
@@ -1408,7 +1408,7 @@ bool radeon_legacy_get_ext_tmds_info_from_combios(struct radeon_encoder *encoder
 		offset = combios_get_table_offset(dev, COMBIOS_EXT_TMDS_INFO_TABLE);
 		if (offset) {
 			ver = RBIOS8(offset);
-			DRM_INFO("External TMDS Table revision: %d\n", ver);
+			DRM_DEBUG_KMS("External TMDS Table revision: %d\n", ver);
 			tmds->slave_addr = RBIOS8(offset + 4 + 2);
 			tmds->slave_addr >>= 1; /* 7 bit addressing */
 			gpio = RBIOS8(offset + 4 + 3);
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index 4a81025..017ac54 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -206,6 +206,7 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct radeon_device *rdev = crtc->dev->dev_private;
 	int xorigin = 0, yorigin = 0;
+	int w = radeon_crtc->cursor_width;
 
 	if (x < 0)
 		xorigin = -x + 1;
@@ -216,22 +217,7 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 	if (yorigin >= CURSOR_HEIGHT)
 		yorigin = CURSOR_HEIGHT - 1;
 
-	radeon_lock_cursor(crtc, true);
-	if (ASIC_IS_DCE4(rdev)) {
-		/* cursors are offset into the total surface */
-		x += crtc->x;
-		y += crtc->y;
-		DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
-
-		/* XXX: check if evergreen has the same issues as avivo chips */
-		WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset,
-		       ((xorigin ? 0 : x) << 16) |
-		       (yorigin ? 0 : y));
-		WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
-		WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
-		       ((radeon_crtc->cursor_width - 1) << 16) | (radeon_crtc->cursor_height - 1));
-	} else if (ASIC_IS_AVIVO(rdev)) {
-		int w = radeon_crtc->cursor_width;
+	if (ASIC_IS_AVIVO(rdev)) {
 		int i = 0;
 		struct drm_crtc *crtc_p;
 
@@ -263,7 +249,17 @@ int radeon_crtc_cursor_move(struct drm_crtc *crtc,
 			if (w <= 0)
 				w = 1;
 		}
+	}
 
+	radeon_lock_cursor(crtc, true);
+	if (ASIC_IS_DCE4(rdev)) {
+		WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset,
+		       ((xorigin ? 0 : x) << 16) |
+		       (yorigin ? 0 : y));
+		WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
+		WREG32(EVERGREEN_CUR_SIZE + radeon_crtc->crtc_offset,
+		       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
+	} else if (ASIC_IS_AVIVO(rdev)) {
 		WREG32(AVIVO_D1CUR_POSITION + radeon_crtc->crtc_offset,
 			     ((xorigin ? 0 : x) << 16) |
 			     (yorigin ? 0 : y));
diff --git a/drivers/gpu/drm/radeon/radeon_fb.c b/drivers/gpu/drm/radeon/radeon_fb.c
index bc61c5a..efa2118 100644
--- a/drivers/gpu/drm/radeon/radeon_fb.c
+++ b/drivers/gpu/drm/radeon/radeon_fb.c
@@ -99,7 +99,6 @@ static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
 		radeon_bo_unpin(rbo);
 		radeon_bo_unreserve(rbo);
 	}
-	drm_gem_object_handle_unreference(gobj);
 	drm_gem_object_unreference_unlocked(gobj);
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index c261060..d7ab914 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -69,7 +69,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
 	u32 c = 0;
 
 	rbo->placement.fpfn = 0;
-	rbo->placement.lpfn = 0;
+	rbo->placement.lpfn = rbo->rdev->mc.active_vram_size >> PAGE_SHIFT;
 	rbo->placement.placement = rbo->placements;
 	rbo->placement.busy_placement = rbo->placements;
 	if (domain & RADEON_GEM_DOMAIN_VRAM)
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index 353998d..3481bc7 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -124,11 +124,8 @@ static inline int radeon_bo_wait(struct radeon_bo *bo, u32 *mem_type,
 	int r;
 
 	r = ttm_bo_reserve(&bo->tbo, true, no_wait, false, 0);
-	if (unlikely(r != 0)) {
-		if (r != -ERESTARTSYS)
-			dev_err(bo->rdev->dev, "%p reserve failed for wait\n", bo);
+	if (unlikely(r != 0))
 		return r;
-	}
 	spin_lock(&bo->tbo.lock);
 	if (mem_type)
 		*mem_type = bo->tbo.mem.mem_type;
diff --git a/drivers/gpu/drm/radeon/rs600.c b/drivers/gpu/drm/radeon/rs600.c
index 8d8359a..b091a1f 100644
--- a/drivers/gpu/drm/radeon/rs600.c
+++ b/drivers/gpu/drm/radeon/rs600.c
@@ -693,6 +693,7 @@ void rs600_mc_init(struct radeon_device *rdev)
 	rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
 	rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
 	base = RREG32_MC(R_000004_MC_FB_LOCATION);
 	base = G_000004_MC_FB_START(base) << 16;
diff --git a/drivers/gpu/drm/radeon/rs690.c b/drivers/gpu/drm/radeon/rs690.c
index 70ed66e..0137d3e 100644
--- a/drivers/gpu/drm/radeon/rs690.c
+++ b/drivers/gpu/drm/radeon/rs690.c
@@ -157,6 +157,7 @@ void rs690_mc_init(struct radeon_device *rdev)
 	rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
 	rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
 	base = G_000100_MC_FB_START(base) << 16;
 	rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
diff --git a/drivers/gpu/drm/radeon/rv770.c b/drivers/gpu/drm/radeon/rv770.c
index ff1cc58..ab83f68 100644
--- a/drivers/gpu/drm/radeon/rv770.c
+++ b/drivers/gpu/drm/radeon/rv770.c
@@ -267,6 +267,7 @@ static void rv770_mc_program(struct radeon_device *rdev)
  */
 void r700_cp_stop(struct radeon_device *rdev)
 {
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	WREG32(CP_ME_CNTL, (CP_ME_HALT | CP_PFP_HALT));
 	WREG32(SCRATCH_UMSK, 0);
 }
@@ -993,6 +994,7 @@ int rv770_mc_init(struct radeon_device *rdev)
 	rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
 	rdev->mc.visible_vram_size = rdev->mc.aper_size;
+	rdev->mc.active_vram_size = rdev->mc.visible_vram_size;
 	r600_vram_gtt_location(rdev, &rdev->mc);
 	radeon_update_bandwidth_info(rdev);
 
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index af7b57a..1e9bb21 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -439,6 +439,42 @@ out_err:
 }
 
 /**
+ * Call bo::reserved and with the lru lock held.
+ * Will release GPU memory type usage on destruction.
+ * This is the place to put in driver specific hooks.
+ * Will release the bo::reserved lock and the
+ * lru lock on exit.
+ */
+
+static void ttm_bo_cleanup_memtype_use(struct ttm_buffer_object *bo)
+{
+	struct ttm_bo_global *glob = bo->glob;
+
+	if (bo->ttm) {
+
+		/**
+		 * Release the lru_lock, since we don't want to have
+		 * an atomic requirement on ttm_tt[unbind|destroy].
+		 */
+
+		spin_unlock(&glob->lru_lock);
+		ttm_tt_unbind(bo->ttm);
+		ttm_tt_destroy(bo->ttm);
+		bo->ttm = NULL;
+		spin_lock(&glob->lru_lock);
+	}
+
+	if (bo->mem.mm_node) {
+		ttm_bo_mem_put(bo, &bo->mem);
+	}
+
+	atomic_set(&bo->reserved, 0);
+	wake_up_all(&bo->event_queue);
+	spin_unlock(&glob->lru_lock);
+}
+
+
+/**
  * If bo idle, remove from delayed- and lru lists, and unref.
  * If not idle, and already on delayed list, do nothing.
  * If not idle, and not on delayed list, put on delayed list,
@@ -453,6 +489,7 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, bool remove_all)
 	int ret;
 
 	spin_lock(&bo->lock);
+retry:
 	(void) ttm_bo_wait(bo, false, false, !remove_all);
 
 	if (!bo->sync_obj) {
@@ -461,28 +498,52 @@ static int ttm_bo_cleanup_refs(struct ttm_buffer_object *bo, bool remove_all)
 		spin_unlock(&bo->lock);
 
 		spin_lock(&glob->lru_lock);
-		put_count = ttm_bo_del_from_lru(bo);
+		ret = ttm_bo_reserve_locked(bo, false, !remove_all, false, 0);
+
+		/**
+		 * Someone else has the object reserved. Bail and retry.
+		 */
+
+		if (unlikely(ret == -EBUSY)) {
+			spin_unlock(&glob->lru_lock);
+			spin_lock(&bo->lock);
+			goto requeue;
+		}
+
+		/**
+		 * We can re-check for sync object without taking
+		 * the bo::lock since setting the sync object requires
+		 * also bo::reserved. A busy object at this point may
+		 * be caused by another thread starting an accelerated
+		 * eviction.
+		 */
+
+		if (unlikely(bo->sync_obj)) {
+			atomic_set(&bo->reserved, 0);
+			wake_up_all(&bo->event_queue);
+			spin_unlock(&glob->lru_lock);
+			spin_lock(&bo->lock);
+			if (remove_all)
+				goto retry;
+			else
+				goto requeue;
+		}
 
-		ret = ttm_bo_reserve_locked(bo, false, false, false, 0);
-		BUG_ON(ret);
-		if (bo->ttm)
-			ttm_tt_unbind(bo->ttm);
+		put_count = ttm_bo_del_from_lru(bo);
 
 		if (!list_empty(&bo->ddestroy)) {
 			list_del_init(&bo->ddestroy);
 			++put_count;
 		}
-		spin_unlock(&glob->lru_lock);
-		ttm_bo_mem_put(bo, &bo->mem);
 
-		atomic_set(&bo->reserved, 0);
+		ttm_bo_cleanup_memtype_use(bo);
 
 		while (put_count--)
 			kref_put(&bo->list_kref, ttm_bo_ref_bug);
 
 		return 0;
 	}
-
+requeue:
 	spin_lock(&glob->lru_lock);
 	if (list_empty(&bo->ddestroy)) {
 		void *sync_obj = bo->sync_obj;