Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6

* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
  vmwgfx: Fix fb VRAM pinning failure due to fragmentation
  vmwgfx: Remove initialisation of dev::devname
  vmwgfx: Enable use of the vblank system
  vmwgfx: vt-switch (master drop) fixes
  drm/vmwgfx: Fix breakage introduced by commit "drm: block userspace under allocating buffer and having drivers overwrite it (v2)"
  drm: Hold the mutex when dropping the last GEM reference (v2)
  drm/gem: handlecount isn't really a kref so don't make it one.
  drm: i810/i830: fix locked ioctl variant
  drm/radeon/kms: add quirk for MSI K9A2GM motherboard
  drm/radeon/kms: fix potential segfault in r600_ioctl_wait_idle
  drm: Prune GEM vma entries
  drm/radeon/kms: fix up encoder info messages for DFP6
  drm/radeon: fix PCI ID 5657 to be an RV410

drivers/gpu/drm/drm_gem.c

@@ -148,7 +148,7 @@ int drm_gem_object_init(struct drm_device *dev,
 		return -ENOMEM;
 
 	kref_init(&obj->refcount);
-	kref_init(&obj->handlecount);
+	atomic_set(&obj->handle_count, 0);
 	obj->size = size;
 
 	atomic_inc(&dev->object_count);
@@ -462,28 +462,6 @@ drm_gem_object_free(struct kref *kref)
 }
 EXPORT_SYMBOL(drm_gem_object_free);
 
-/**
- * Called after the last reference to the object has been lost.
- * Must be called without holding struct_mutex
- *
- * Frees the object
- */
-void
-drm_gem_object_free_unlocked(struct kref *kref)
-{
-	struct drm_gem_object *obj = (struct drm_gem_object *) kref;
-	struct drm_device *dev = obj->dev;
-
-	if (dev->driver->gem_free_object_unlocked != NULL)
-		dev->driver->gem_free_object_unlocked(obj);
-	else if (dev->driver->gem_free_object != NULL) {
-		mutex_lock(&dev->struct_mutex);
-		dev->driver->gem_free_object(obj);
-		mutex_unlock(&dev->struct_mutex);
-	}
-}
-EXPORT_SYMBOL(drm_gem_object_free_unlocked);
-
 static void drm_gem_object_ref_bug(struct kref *list_kref)
 {
 	BUG();
@@ -496,12 +474,8 @@ static void drm_gem_object_ref_bug(struct kref *list_kref)
  * called before drm_gem_object_free or we'll be touching
  * freed memory
  */
-void
-drm_gem_object_handle_free(struct kref *kref)
+void drm_gem_object_handle_free(struct drm_gem_object *obj)
 {
-	struct drm_gem_object *obj = container_of(kref,
-						  struct drm_gem_object,
-						  handlecount);
 	struct drm_device *dev = obj->dev;
 
 	/* Remove any name for this object */
@@ -528,6 +502,10 @@ void drm_gem_vm_open(struct vm_area_struct *vma)
 	struct drm_gem_object *obj = vma->vm_private_data;
 
 	drm_gem_object_reference(obj);
+
+	mutex_lock(&obj->dev->struct_mutex);
+	drm_vm_open_locked(vma);
+	mutex_unlock(&obj->dev->struct_mutex);
 }
 EXPORT_SYMBOL(drm_gem_vm_open);
 
@@ -535,7 +513,10 @@ void drm_gem_vm_close(struct vm_area_struct *vma)
 {
 	struct drm_gem_object *obj = vma->vm_private_data;
 
-	drm_gem_object_unreference_unlocked(obj);
+	mutex_lock(&obj->dev->struct_mutex);
+	drm_vm_close_locked(vma);
+	drm_gem_object_unreference(obj);
+	mutex_unlock(&obj->dev->struct_mutex);
 }
 EXPORT_SYMBOL(drm_gem_vm_close);
 

drivers/gpu/drm/drm_info.c

@@ -255,7 +255,7 @@ int drm_gem_one_name_info(int id, void *ptr, void *data)
 
 	seq_printf(m, "%6d %8zd %7d %8d\n",
 		   obj->name, obj->size,
-		   atomic_read(&obj->handlecount.refcount),
+		   atomic_read(&obj->handle_count),
 		   atomic_read(&obj->refcount.refcount));
 	return 0;
 }

drivers/gpu/drm/drm_vm.c

@@ -433,15 +433,7 @@ static void drm_vm_open(struct vm_area_struct *vma)
 	mutex_unlock(&dev->struct_mutex);
 }
 
-/**
- * \c close method for all virtual memory types.
- *
- * \param vma virtual memory area.
- *
- * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
- * free it.
- */
-static void drm_vm_close(struct vm_area_struct *vma)
+void drm_vm_close_locked(struct vm_area_struct *vma)
 {
 	struct drm_file *priv = vma->vm_file->private_data;
 	struct drm_device *dev = priv->minor->dev;
@@ -451,7 +443,6 @@ static void drm_vm_close(struct vm_area_struct *vma)
 		  vma->vm_start, vma->vm_end - vma->vm_start);
 	atomic_dec(&dev->vma_count);
 
-	mutex_lock(&dev->struct_mutex);
 	list_for_each_entry_safe(pt, temp, &dev->vmalist, head) {
 		if (pt->vma == vma) {
 			list_del(&pt->head);
@@ -459,6 +450,23 @@ static void drm_vm_close(struct vm_area_struct *vma)
 			break;
 		}
 	}
+}
+
+/**
+ * \c close method for all virtual memory types.
+ *
+ * \param vma virtual memory area.
+ *
+ * Search the \p vma private data entry in drm_device::vmalist, unlink it, and
+ * free it.
+ */
+static void drm_vm_close(struct vm_area_struct *vma)
+{
+	struct drm_file *priv = vma->vm_file->private_data;
+	struct drm_device *dev = priv->minor->dev;
+
+	mutex_lock(&dev->struct_mutex);
+	drm_vm_close_locked(vma);
 	mutex_unlock(&dev->struct_mutex);
 }
 

drivers/gpu/drm/i810/i810_dma.c

@@ -116,7 +116,7 @@ static int i810_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 static const struct file_operations i810_buffer_fops = {
 	.open = drm_open,
 	.release = drm_release,
-	.unlocked_ioctl = drm_ioctl,
+	.unlocked_ioctl = i810_ioctl,
 	.mmap = i810_mmap_buffers,
 	.fasync = drm_fasync,
 };

drivers/gpu/drm/i830/i830_dma.c

@@ -118,7 +118,7 @@ static int i830_mmap_buffers(struct file *filp, struct vm_area_struct *vma)
 static const struct file_operations i830_buffer_fops = {
 	.open = drm_open,
 	.release = drm_release,
-	.unlocked_ioctl = drm_ioctl,
+	.unlocked_ioctl = i830_ioctl,
 	.mmap = i830_mmap_buffers,
 	.fasync = drm_fasync,
 };

drivers/gpu/drm/i915/i915_gem.c

@@ -136,14 +136,12 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
 		return -ENOMEM;
 
 	ret = drm_gem_handle_create(file_priv, obj, &handle);
-	if (ret) {
+	/* drop reference from allocate - handle holds it now */
 	drm_gem_object_unreference_unlocked(obj);
+	if (ret) {
 		return ret;
 	}
 
-	/* Sink the floating reference from kref_init(handlecount) */
-	drm_gem_object_handle_unreference_unlocked(obj);
-
 	args->handle = handle;
 	return 0;
 }

drivers/gpu/drm/i915/intel_fb.c

@@ -237,8 +237,10 @@ int intel_fbdev_destroy(struct drm_device *dev,
 	drm_fb_helper_fini(&ifbdev->helper);
 
 	drm_framebuffer_cleanup(&ifb->base);
-	if (ifb->obj)
+	if (ifb->obj) {
+		drm_gem_object_handle_unreference(ifb->obj);
 		drm_gem_object_unreference(ifb->obj);
+	}
 
 	return 0;
 }

drivers/gpu/drm/nouveau/nouveau_fbcon.c

@@ -352,6 +352,7 @@ 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;
 	}

drivers/gpu/drm/nouveau/nouveau_gem.c

@@ -167,11 +167,9 @@ nouveau_gem_ioctl_new(struct drm_device *dev, void *data,
 		goto out;
 
 	ret = drm_gem_handle_create(file_priv, nvbo->gem, &req->info.handle);
-out:
-	drm_gem_object_handle_unreference_unlocked(nvbo->gem);
-
-	if (ret)
+	/* drop reference from allocate - handle holds it now */
 	drm_gem_object_unreference_unlocked(nvbo->gem);
+out:
 	return ret;
 }
 

drivers/gpu/drm/nouveau/nouveau_notifier.c

@@ -79,6 +79,7 @@ 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);
 }

drivers/gpu/drm/radeon/r600.c

@@ -3528,7 +3528,8 @@ void r600_ioctl_wait_idle(struct radeon_device *rdev, struct radeon_bo *bo)
 	/* r7xx hw bug.  write to HDP_DEBUG1 followed by fb read
 	 * rather than write to HDP_REG_COHERENCY_FLUSH_CNTL
 	 */
-	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740)) {
+	if ((rdev->family >= CHIP_RV770) && (rdev->family <= CHIP_RV740) &&
+	    rdev->vram_scratch.ptr) {
 		void __iomem *ptr = (void *)rdev->vram_scratch.ptr;
 		u32 tmp;
 

drivers/gpu/drm/radeon/radeon_atombios.c

@@ -317,6 +317,15 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
 			*connector_type = DRM_MODE_CONNECTOR_DVID;
 	}
 
+	/* MSI K9A2GM V2/V3 board has no HDMI or DVI */
+	if ((dev->pdev->device == 0x796e) &&
+	    (dev->pdev->subsystem_vendor == 0x1462) &&
+	    (dev->pdev->subsystem_device == 0x7302)) {
+		if ((supported_device == ATOM_DEVICE_DFP2_SUPPORT) ||
+		    (supported_device == ATOM_DEVICE_DFP3_SUPPORT))
+			return false;
+	}
+
 	/* a-bit f-i90hd - ciaranm on #radeonhd - this board has no DVI */
 	if ((dev->pdev->device == 0x7941) &&
 	    (dev->pdev->subsystem_vendor == 0x147b) &&

drivers/gpu/drm/radeon/radeon_display.c

@@ -349,6 +349,8 @@ static void radeon_print_display_setup(struct drm_device *dev)
 					DRM_INFO("    DFP4: %s\n", encoder_names[radeon_encoder->encoder_id]);
 				if (devices & ATOM_DEVICE_DFP5_SUPPORT)
 					DRM_INFO("    DFP5: %s\n", encoder_names[radeon_encoder->encoder_id]);
+				if (devices & ATOM_DEVICE_DFP6_SUPPORT)
+					DRM_INFO("    DFP6: %s\n", encoder_names[radeon_encoder->encoder_id]);
 				if (devices & ATOM_DEVICE_TV1_SUPPORT)
 					DRM_INFO("    TV1: %s\n", encoder_names[radeon_encoder->encoder_id]);
 				if (devices & ATOM_DEVICE_CV_SUPPORT)
@@ -841,8 +843,9 @@ static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
 {
 	struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
 
-	if (radeon_fb->obj)
+	if (radeon_fb->obj) {
 		drm_gem_object_unreference_unlocked(radeon_fb->obj);
+	}
 	drm_framebuffer_cleanup(fb);
 	kfree(radeon_fb);
 }

drivers/gpu/drm/radeon/radeon_fb.c

@@ -94,8 +94,10 @@ static void radeonfb_destroy_pinned_object(struct drm_gem_object *gobj)
 	ret = radeon_bo_reserve(rbo, false);
 	if (likely(ret == 0)) {
 		radeon_bo_kunmap(rbo);
+		radeon_bo_unpin(rbo);
 		radeon_bo_unreserve(rbo);
 	}
+	drm_gem_object_handle_unreference(gobj);
 	drm_gem_object_unreference_unlocked(gobj);
 }
 
@@ -325,8 +327,6 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
 {
 	struct fb_info *info;
 	struct radeon_framebuffer *rfb = &rfbdev->rfb;
-	struct radeon_bo *rbo;
-	int r;
 
 	if (rfbdev->helper.fbdev) {
 		info = rfbdev->helper.fbdev;
@@ -338,14 +338,8 @@ static int radeon_fbdev_destroy(struct drm_device *dev, struct radeon_fbdev *rfb
 	}
 
 	if (rfb->obj) {
-		rbo = rfb->obj->driver_private;
-		r = radeon_bo_reserve(rbo, false);
-		if (likely(r == 0)) {
-			radeon_bo_kunmap(rbo);
-			radeon_bo_unpin(rbo);
-			radeon_bo_unreserve(rbo);
-		}
-		drm_gem_object_unreference_unlocked(rfb->obj);
+		radeonfb_destroy_pinned_object(rfb->obj);
+		rfb->obj = NULL;
 	}
 	drm_fb_helper_fini(&rfbdev->helper);
 	drm_framebuffer_cleanup(&rfb->base);

drivers/gpu/drm/radeon/radeon_gem.c

@@ -201,11 +201,11 @@ int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
 		return r;
 	}
 	r = drm_gem_handle_create(filp, gobj, &handle);
-	if (r) {
+	/* drop reference from allocate - handle holds it now */
 	drm_gem_object_unreference_unlocked(gobj);
+	if (r) {
 		return r;
 	}
-	drm_gem_object_handle_unreference_unlocked(gobj);
 	args->handle = handle;
 	return 0;
 }

drivers/gpu/drm/vmwgfx/vmwgfx_drv.c

@@ -148,13 +148,16 @@ static struct pci_device_id vmw_pci_id_list[] = {
 	{0, 0, 0}
 };
 
-static char *vmw_devname = "vmwgfx";
+static int enable_fbdev;
 
 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
 static void vmw_master_init(struct vmw_master *);
 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
 			      void *ptr);
 
+MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
+module_param_named(enable_fbdev, enable_fbdev, int, 0600);
+
 static void vmw_print_capabilities(uint32_t capabilities)
 {
 	DRM_INFO("Capabilities:\n");
@@ -192,8 +195,6 @@ static int vmw_request_device(struct vmw_private *dev_priv)
 {
 	int ret;
 
-	vmw_kms_save_vga(dev_priv);
-
 	ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
 	if (unlikely(ret != 0)) {
 		DRM_ERROR("Unable to initialize FIFO.\n");
@@ -206,9 +207,35 @@ static int vmw_request_device(struct vmw_private *dev_priv)
 static void vmw_release_device(struct vmw_private *dev_priv)
 {
 	vmw_fifo_release(dev_priv, &dev_priv->fifo);
-	vmw_kms_restore_vga(dev_priv);
 }
 
+int vmw_3d_resource_inc(struct vmw_private *dev_priv)
+{
+	int ret = 0;
+
+	mutex_lock(&dev_priv->release_mutex);
+	if (unlikely(dev_priv->num_3d_resources++ == 0)) {
+		ret = vmw_request_device(dev_priv);
+		if (unlikely(ret != 0))
+			--dev_priv->num_3d_resources;
+	}
+	mutex_unlock(&dev_priv->release_mutex);
+	return ret;
+}
+
+
+void vmw_3d_resource_dec(struct vmw_private *dev_priv)
+{
+	int32_t n3d;
+
+	mutex_lock(&dev_priv->release_mutex);
+	if (unlikely(--dev_priv->num_3d_resources == 0))
+		vmw_release_device(dev_priv);
+	n3d = (int32_t) dev_priv->num_3d_resources;
+	mutex_unlock(&dev_priv->release_mutex);
+
+	BUG_ON(n3d < 0);
+}
 
 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 {
@@ -228,6 +255,7 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 	dev_priv->last_read_sequence = (uint32_t) -100;
 	mutex_init(&dev_priv->hw_mutex);
 	mutex_init(&dev_priv->cmdbuf_mutex);
+	mutex_init(&dev_priv->release_mutex);
 	rwlock_init(&dev_priv->resource_lock);
 	idr_init(&dev_priv->context_idr);
 	idr_init(&dev_priv->surface_idr);
@@ -244,6 +272,8 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 	dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
 	dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
 
+	dev_priv->enable_fb = enable_fbdev;
+
 	mutex_lock(&dev_priv->hw_mutex);
 
 	vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
@@ -343,17 +373,6 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 
 	dev->dev_private = dev_priv;
 
-	if (!dev->devname)
-		dev->devname = vmw_devname;
-
-	if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
-		ret = drm_irq_install(dev);
-		if (unlikely(ret != 0)) {
-			DRM_ERROR("Failed installing irq: %d\n", ret);
-			goto out_no_irq;
-		}
-	}
-
 	ret = pci_request_regions(dev->pdev, "vmwgfx probe");
 	dev_priv->stealth = (ret != 0);
 	if (dev_priv->stealth) {
@@ -369,26 +388,52 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
 			goto out_no_device;
 		}
 	}
-	ret = vmw_request_device(dev_priv);
+	ret = vmw_kms_init(dev_priv);
 	if (unlikely(ret != 0))
-		goto out_no_device;
-	vmw_kms_init(dev_priv);
+		goto out_no_kms;
 	vmw_overlay_init(dev_priv);
+	if (dev_priv->enable_fb) {
+		ret = vmw_3d_resource_inc(dev_priv);
+		if (unlikely(ret != 0))
+			goto out_no_fifo;
+		vmw_kms_save_vga(dev_priv);
 		vmw_fb_init(dev_priv);
+		DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ?
+			 "Detected device 3D availability.\n" :
+			 "Detected no device 3D availability.\n");
+	} else {
+		DRM_INFO("Delayed 3D detection since we're not "
+			 "running the device in SVGA mode yet.\n");
+	}
+
+	if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
+		ret = drm_irq_install(dev);
+		if (unlikely(ret != 0)) {
+			DRM_ERROR("Failed installing irq: %d\n", ret);
+			goto out_no_irq;
+		}
+	}
 
 	dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
 	register_pm_notifier(&dev_priv->pm_nb);
 
-	DRM_INFO("%s", vmw_fifo_have_3d(dev_priv) ? "Have 3D\n" : "No 3D\n");
-
 	return 0;
 
-out_no_device:
-	if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
-		drm_irq_uninstall(dev_priv->dev);
-	if (dev->devname == vmw_devname)
-		dev->devname = NULL;
 out_no_irq:
+	if (dev_priv->enable_fb) {
+		vmw_fb_close(dev_priv);
+		vmw_kms_restore_vga(dev_priv);
+		vmw_3d_resource_dec(dev_priv);
+	}
+out_no_fifo:
+	vmw_overlay_close(dev_priv);
+	vmw_kms_close(dev_priv);
+out_no_kms:
+	if (dev_priv->stealth)
+		pci_release_region(dev->pdev, 2);
+	else
+		pci_release_regions(dev->pdev);
+out_no_device:
 	ttm_object_device_release(&dev_priv->tdev);
 out_err4:
 	iounmap(dev_priv->mmio_virt);
@@ -415,19 +460,20 @@ static int vmw_driver_unload(struct drm_device *dev)
 
 	unregister_pm_notifier(&dev_priv->pm_nb);
 
+	if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
+		drm_irq_uninstall(dev_priv->dev);
+	if (dev_priv->enable_fb) {
 		vmw_fb_close(dev_priv);
+		vmw_kms_restore_vga(dev_priv);
+		vmw_3d_resource_dec(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)
-		dev->devname = NULL;
 	ttm_object_device_release(&dev_priv->tdev);
 	iounmap(dev_priv->mmio_virt);
 	drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
@@ -500,7 +546,7 @@ static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
 		struct drm_ioctl_desc *ioctl =
 		    &vmw_ioctls[nr - DRM_COMMAND_BASE];
 
-		if (unlikely(ioctl->cmd != cmd)) {
+		if (unlikely(ioctl->cmd_drv != cmd)) {
 			DRM_ERROR("Invalid command format, ioctl %d\n",
 				  nr - DRM_COMMAND_BASE);
 			return -EINVAL;
@@ -589,6 +635,16 @@ static int vmw_master_set(struct drm_device *dev,
 	struct vmw_master *vmaster = vmw_master(file_priv->master);
 	int ret = 0;
 
+	if (!dev_priv->enable_fb) {
+		ret = vmw_3d_resource_inc(dev_priv);
+		if (unlikely(ret != 0))
+			return ret;
+		vmw_kms_save_vga(dev_priv);
+		mutex_lock(&dev_priv->hw_mutex);
+		vmw_write(dev_priv, SVGA_REG_TRACES, 0);
+		mutex_unlock(&dev_priv->hw_mutex);
+	}
+
 	if (active) {
 		BUG_ON(active != &dev_priv->fbdev_master);
 		ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
@@ -617,7 +673,13 @@ static int vmw_master_set(struct drm_device *dev,
 	return 0;
 
 out_no_active_lock:
-	vmw_release_device(dev_priv);
+	if (!dev_priv->enable_fb) {
+		mutex_lock(&dev_priv->hw_mutex);
+		vmw_write(dev_priv, SVGA_REG_TRACES, 1);
+		mutex_unlock(&dev_priv->hw_mutex);
+		vmw_kms_restore_vga(dev_priv);
+		vmw_3d_resource_dec(dev_priv);
+	}
 	return ret;
 }
 
@@ -645,10 +707,22 @@ static void vmw_master_drop(struct drm_device *dev,
 
 	ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
 
+	if (!dev_priv->enable_fb) {
+		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");
+		mutex_lock(&dev_priv->hw_mutex);
+		vmw_write(dev_priv, SVGA_REG_TRACES, 1);
+		mutex_unlock(&dev_priv->hw_mutex);
+		vmw_kms_restore_vga(dev_priv);
+		vmw_3d_resource_dec(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->enable_fb)
 		vmw_fb_on(dev_priv);
 }
 
@@ -722,6 +796,7 @@ static struct drm_driver driver = {
 	.irq_postinstall = vmw_irq_postinstall,
 	.irq_uninstall = vmw_irq_uninstall,
 	.irq_handler = vmw_irq_handler,
+	.get_vblank_counter = vmw_get_vblank_counter,
 	.reclaim_buffers_locked = NULL,
 	.get_map_ofs = drm_core_get_map_ofs,
 	.get_reg_ofs = drm_core_get_reg_ofs,

drivers/gpu/drm/vmwgfx/vmwgfx_drv.h

@@ -277,6 +277,7 @@ struct vmw_private {
 
 	bool stealth;
 	bool is_opened;
+	bool enable_fb;
 
 	/**
 	 * Master management.
@@ -285,6 +286,9 @@ struct vmw_private {
 	struct vmw_master *active_master;
 	struct vmw_master fbdev_master;
 	struct notifier_block pm_nb;
+
+	struct mutex release_mutex;
+	uint32_t num_3d_resources;
 };
 
 static inline struct vmw_private *vmw_priv(struct drm_device *dev)
@@ -319,6 +323,9 @@ static inline uint32_t vmw_read(struct vmw_private *dev_priv,
 	return val;
 }
 
+int vmw_3d_resource_inc(struct vmw_private *dev_priv);
+void vmw_3d_resource_dec(struct vmw_private *dev_priv);
+
 /**
  * GMR utilities - vmwgfx_gmr.c
  */
@@ -511,6 +518,7 @@ void vmw_kms_write_svga(struct vmw_private *vmw_priv,
 			unsigned bbp, unsigned depth);
 int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 				struct drm_file *file_priv);
+u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc);
 
 /**
  * Overlay control - vmwgfx_overlay.c

drivers/gpu/drm/vmwgfx/vmwgfx_fb.c

@@ -615,6 +615,11 @@ int vmw_dmabuf_to_start_of_vram(struct vmw_private *vmw_priv,
 	if (unlikely(ret != 0))
 		goto err_unlock;
 
+	if (bo->mem.mem_type == TTM_PL_VRAM &&
+	    bo->mem.mm_node->start < bo->num_pages)
+		(void) ttm_bo_validate(bo, &vmw_sys_placement, false,
+				       false, false);
+
 	ret = ttm_bo_validate(bo, &ne_placement, false, false, false);
 
 	/* Could probably bug on */

drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c

@@ -106,6 +106,7 @@ int vmw_fifo_init(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
 	mutex_lock(&dev_priv->hw_mutex);
 	dev_priv->enable_state = vmw_read(dev_priv, SVGA_REG_ENABLE);
 	dev_priv->config_done_state = vmw_read(dev_priv, SVGA_REG_CONFIG_DONE);
+	dev_priv->traces_state = vmw_read(dev_priv, SVGA_REG_TRACES);
 	vmw_write(dev_priv, SVGA_REG_ENABLE, 1);
 
 	min = 4;
@@ -175,6 +176,8 @@ void vmw_fifo_release(struct vmw_private *dev_priv, struct vmw_fifo_state *fifo)
 		  dev_priv->config_done_state);
 	vmw_write(dev_priv, SVGA_REG_ENABLE,
 		  dev_priv->enable_state);
+	vmw_write(dev_priv, SVGA_REG_TRACES,
+		  dev_priv->traces_state);
 
 	mutex_unlock(&dev_priv->hw_mutex);
 	vmw_fence_queue_takedown(&fifo->fence_queue);

drivers/gpu/drm/vmwgfx/vmwgfx_kms.c

@@ -898,7 +898,19 @@ int vmw_kms_save_vga(struct vmw_private *vmw_priv)
 		save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
 		save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
 		vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
+		if (i == 0 && vmw_priv->num_displays == 1 &&
+		    save->width == 0 && save->height == 0) {
+
+			/*
+			 * It should be fairly safe to assume that these
+			 * values are uninitialized.
+			 */
+
+			save->width = vmw_priv->vga_width - save->pos_x;
+			save->height = vmw_priv->vga_height - save->pos_y;
+		}
 	}
+
 	return 0;
 }
 
@@ -984,3 +996,8 @@ int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
 	ttm_read_unlock(&vmaster->lock);
 	return ret;
 }
+
+u32 vmw_get_vblank_counter(struct drm_device *dev, int crtc)
+{
+	return 0;
+}

drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c

@@ -27,6 +27,8 @@
 
 #include "vmwgfx_kms.h"
 
+#define VMWGFX_LDU_NUM_DU 8
+
 #define vmw_crtc_to_ldu(x) \
 	container_of(x, struct vmw_legacy_display_unit, base.crtc)
 #define vmw_encoder_to_ldu(x) \
@@ -536,6 +538,10 @@ static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
 
 int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
 {
+	struct drm_device *dev = dev_priv->dev;
+	int i;
+	int ret;
+
 	if (dev_priv->ldu_priv) {
 		DRM_INFO("ldu system already on\n");
 		return -EINVAL;
@@ -553,23 +559,24 @@ int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv)
 
 	drm_mode_create_dirty_info_property(dev_priv->dev);
 
-	vmw_ldu_init(dev_priv, 0);
-	/* for old hardware without multimon only enable one display */
 	if (dev_priv->capabilities & SVGA_CAP_MULTIMON) {
-		vmw_ldu_init(dev_priv, 1);
-		vmw_ldu_init(dev_priv, 2);
-		vmw_ldu_init(dev_priv, 3);
-		vmw_ldu_init(dev_priv, 4);
-		vmw_ldu_init(dev_priv, 5);
-		vmw_ldu_init(dev_priv, 6);
-		vmw_ldu_init(dev_priv, 7);
+		for (i = 0; i < VMWGFX_LDU_NUM_DU; ++i)
+			vmw_ldu_init(dev_priv, i);
+		ret = drm_vblank_init(dev, VMWGFX_LDU_NUM_DU);
+	} else {
+		/* for old hardware without multimon only enable one display */
+		vmw_ldu_init(dev_priv, 0);
+		ret = drm_vblank_init(dev, 1);
 	}
 
-	return 0;
+	return ret;
 }
 
 int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv)
 {
+	struct drm_device *dev = dev_priv->dev;
+
+	drm_vblank_cleanup(dev);
 	if (!dev_priv->ldu_priv)
 		return -ENOSYS;
 

drivers/gpu/drm/vmwgfx/vmwgfx_resource.c

@@ -211,6 +211,7 @@ static void vmw_hw_context_destroy(struct vmw_resource *res)
 	cmd->body.cid = cpu_to_le32(res->id);
 
 	vmw_fifo_commit(dev_priv, sizeof(*cmd));
+	vmw_3d_resource_dec(dev_priv);
 }
 
 static int vmw_context_init(struct vmw_private *dev_priv,
@@ -247,6 +248,7 @@ static int vmw_context_init(struct vmw_private *dev_priv,
 	cmd->body.cid = cpu_to_le32(res->id);
 
 	vmw_fifo_commit(dev_priv, sizeof(*cmd));
+	(void) vmw_3d_resource_inc(dev_priv);
 	vmw_resource_activate(res, vmw_hw_context_destroy);
 	return 0;
 }
@@ -406,6 +408,7 @@ static void vmw_hw_surface_destroy(struct vmw_resource *res)
 	cmd->body.sid = cpu_to_le32(res->id);
 
 	vmw_fifo_commit(dev_priv, sizeof(*cmd));
+	vmw_3d_resource_dec(dev_priv);
 }
 
 void vmw_surface_res_free(struct vmw_resource *res)
@@ -473,6 +476,7 @@ int vmw_surface_init(struct vmw_private *dev_priv,
 	}
 
 	vmw_fifo_commit(dev_priv, submit_size);
+	(void) vmw_3d_resource_inc(dev_priv);
 	vmw_resource_activate(res, vmw_hw_surface_destroy);
 	return 0;
 }

include/drm/drmP.h

@@ -612,7 +612,7 @@ struct drm_gem_object {
 	struct kref refcount;
 
 	/** Handle count of this object. Each handle also holds a reference */
-	struct kref handlecount;
+	atomic_t handle_count; /* number of handles on this object */
 
 	/** Related drm device */
 	struct drm_device *dev;
@@ -808,7 +808,6 @@ struct drm_driver {
 	 */
 	int (*gem_init_object) (struct drm_gem_object *obj);
 	void (*gem_free_object) (struct drm_gem_object *obj);
-	void (*gem_free_object_unlocked) (struct drm_gem_object *obj);
 
 	/* vga arb irq handler */
 	void (*vgaarb_irq)(struct drm_device *dev, bool state);
@@ -1175,6 +1174,7 @@ extern int drm_release(struct inode *inode, struct file *filp);
 extern int drm_mmap(struct file *filp, struct vm_area_struct *vma);
 extern int drm_mmap_locked(struct file *filp, struct vm_area_struct *vma);
 extern void drm_vm_open_locked(struct vm_area_struct *vma);
+extern void drm_vm_close_locked(struct vm_area_struct *vma);
 extern resource_size_t drm_core_get_map_ofs(struct drm_local_map * map);
 extern resource_size_t drm_core_get_reg_ofs(struct drm_device *dev);
 extern unsigned int drm_poll(struct file *filp, struct poll_table_struct *wait);
@@ -1455,12 +1455,11 @@ int drm_gem_init(struct drm_device *dev);
 void drm_gem_destroy(struct drm_device *dev);
 void drm_gem_object_release(struct drm_gem_object *obj);
 void drm_gem_object_free(struct kref *kref);
-void drm_gem_object_free_unlocked(struct kref *kref);
 struct drm_gem_object *drm_gem_object_alloc(struct drm_device *dev,
 					    size_t size);
 int drm_gem_object_init(struct drm_device *dev,
 			struct drm_gem_object *obj, size_t size);
-void drm_gem_object_handle_free(struct kref *kref);
+void drm_gem_object_handle_free(struct drm_gem_object *obj);
 void drm_gem_vm_open(struct vm_area_struct *vma);
 void drm_gem_vm_close(struct vm_area_struct *vma);
 int drm_gem_mmap(struct file *filp, struct vm_area_struct *vma);
@@ -1483,8 +1482,12 @@ drm_gem_object_unreference(struct drm_gem_object *obj)
 static inline void
 drm_gem_object_unreference_unlocked(struct drm_gem_object *obj)
 {
-	if (obj != NULL)
-		kref_put(&obj->refcount, drm_gem_object_free_unlocked);
+	if (obj != NULL) {
+		struct drm_device *dev = obj->dev;
+		mutex_lock(&dev->struct_mutex);
+		kref_put(&obj->refcount, drm_gem_object_free);
+		mutex_unlock(&dev->struct_mutex);
+	}
 }
 
 int drm_gem_handle_create(struct drm_file *file_priv,
@@ -1495,7 +1498,7 @@ static inline void
 drm_gem_object_handle_reference(struct drm_gem_object *obj)
 {
 	drm_gem_object_reference(obj);
-	kref_get(&obj->handlecount);
+	atomic_inc(&obj->handle_count);
 }
 
 static inline void
@@ -1504,12 +1507,15 @@ drm_gem_object_handle_unreference(struct drm_gem_object *obj)
 	if (obj == NULL)
 		return;
 
+	if (atomic_read(&obj->handle_count) == 0)
+		return;
 	/*
 	 * Must bump handle count first as this may be the last
 	 * ref, in which case the object would disappear before we
 	 * checked for a name
 	 */
-	kref_put(&obj->handlecount, drm_gem_object_handle_free);
+	if (atomic_dec_and_test(&obj->handle_count))
+		drm_gem_object_handle_free(obj);
 	drm_gem_object_unreference(obj);
 }
 
@@ -1519,12 +1525,17 @@ drm_gem_object_handle_unreference_unlocked(struct drm_gem_object *obj)
 	if (obj == NULL)
 		return;
 
+	if (atomic_read(&obj->handle_count) == 0)
+		return;
+
 	/*
 	* Must bump handle count first as this may be the last
 	* ref, in which case the object would disappear before we
 	* checked for a name
 	*/
-	kref_put(&obj->handlecount, drm_gem_object_handle_free);
+
+	if (atomic_dec_and_test(&obj->handle_count))
+		drm_gem_object_handle_free(obj);
 	drm_gem_object_unreference_unlocked(obj);
 }
 

include/drm/drm_pciids.h

@@ -85,7 +85,6 @@
 	{0x1002, 0x5460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5464, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_IS_MOBILITY}, \
-	{0x1002, 0x5657, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV380|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5548, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5549, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x554A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R423|RADEON_NEW_MEMMAP}, \
@@ -103,6 +102,7 @@
 	{0x1002, 0x564F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5652, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5653, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \
+	{0x1002, 0x5657, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV410|RADEON_NEW_MEMMAP}, \
 	{0x1002, 0x5834, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP}, \
 	{0x1002, 0x5835, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS300|RADEON_IS_IGP|RADEON_IS_MOBILITY}, \
 	{0x1002, 0x5954, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RS480|RADEON_IS_IGP|RADEON_IS_MOBILITY|RADEON_IS_IGPGART}, \