diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 96177ee..eedb023 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1833,7 +1833,6 @@ int i915_driver_unload(struct drm_device *dev)
 		flush_workqueue(dev_priv->wq);
 
 		mutex_lock(&dev->struct_mutex);
-		i915_gem_free_all_phys_object(dev);
 		i915_gem_cleanup_ringbuffer(dev);
 		i915_gem_context_fini(dev);
 		WARN_ON(dev_priv->mm.aliasing_ppgtt);
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 108e1ec..ec5f6fb 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -242,18 +242,6 @@ struct intel_ddi_plls {
 #define WATCH_LISTS	0
 #define WATCH_GTT	0
 
-#define I915_GEM_PHYS_CURSOR_0 1
-#define I915_GEM_PHYS_CURSOR_1 2
-#define I915_GEM_PHYS_OVERLAY_REGS 3
-#define I915_MAX_PHYS_OBJECT (I915_GEM_PHYS_OVERLAY_REGS)
-
-struct drm_i915_gem_phys_object {
-	int id;
-	struct page **page_list;
-	drm_dma_handle_t *handle;
-	struct drm_i915_gem_object *cur_obj;
-};
-
 struct opregion_header;
 struct opregion_acpi;
 struct opregion_swsci;
@@ -1187,9 +1175,6 @@ struct i915_gem_mm {
 	/** Bit 6 swizzling required for Y tiling */
 	uint32_t bit_6_swizzle_y;
 
-	/* storage for physical objects */
-	struct drm_i915_gem_phys_object *phys_objs[I915_MAX_PHYS_OBJECT];
-
 	/* accounting, useful for userland debugging */
 	spinlock_t object_stat_lock;
 	size_t object_memory;
@@ -1769,7 +1754,7 @@ struct drm_i915_gem_object {
 	struct drm_file *pin_filp;
 
 	/** for phy allocated objects */
-	struct drm_i915_gem_phys_object *phys_obj;
+	drm_dma_handle_t *phys_handle;
 };
 
 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
@@ -2334,13 +2319,8 @@ i915_gem_object_pin_to_display_plane(struct drm_i915_gem_object *obj,
 				     u32 alignment,
 				     struct intel_ring_buffer *pipelined);
 void i915_gem_object_unpin_from_display_plane(struct drm_i915_gem_object *obj);
-int i915_gem_attach_phys_object(struct drm_device *dev,
-				struct drm_i915_gem_object *obj,
-				int id,
+int i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
 				int align);
-void i915_gem_detach_phys_object(struct drm_device *dev,
-				 struct drm_i915_gem_object *obj);
-void i915_gem_free_all_phys_object(struct drm_device *dev);
 int i915_gem_open(struct drm_device *dev, struct drm_file *file);
 void i915_gem_release(struct drm_device *dev, struct drm_file *file);
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 2871ce7..b391f30 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -43,10 +43,6 @@ static void i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *o
 static __must_check int
 i915_gem_object_wait_rendering(struct drm_i915_gem_object *obj,
 			       bool readonly);
-static int i915_gem_phys_pwrite(struct drm_device *dev,
-				struct drm_i915_gem_object *obj,
-				struct drm_i915_gem_pwrite *args,
-				struct drm_file *file);
 
 static void i915_gem_write_fence(struct drm_device *dev, int reg,
 				 struct drm_i915_gem_object *obj);
@@ -209,6 +205,128 @@ i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
 	return 0;
 }
 
+static void i915_gem_object_detach_phys(struct drm_i915_gem_object *obj)
+{
+	drm_dma_handle_t *phys = obj->phys_handle;
+
+	if (!phys)
+		return;
+
+	if (obj->madv == I915_MADV_WILLNEED) {
+		struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
+		char *vaddr = phys->vaddr;
+		int i;
+
+		for (i = 0; i < obj->base.size / PAGE_SIZE; i++) {
+			struct page *page = shmem_read_mapping_page(mapping, i);
+			if (!IS_ERR(page)) {
+				char *dst = kmap_atomic(page);
+				memcpy(dst, vaddr, PAGE_SIZE);
+				drm_clflush_virt_range(dst, PAGE_SIZE);
+				kunmap_atomic(dst);
+
+				set_page_dirty(page);
+				mark_page_accessed(page);
+				page_cache_release(page);
+			}
+			vaddr += PAGE_SIZE;
+		}
+		i915_gem_chipset_flush(obj->base.dev);
+	}
+
+#ifdef CONFIG_X86
+	set_memory_wb((unsigned long)phys->vaddr, phys->size / PAGE_SIZE);
+#endif
+	drm_pci_free(obj->base.dev, phys);
+	obj->phys_handle = NULL;
+}
+
+int
+i915_gem_object_attach_phys(struct drm_i915_gem_object *obj,
+			    int align)
+{
+	drm_dma_handle_t *phys;
+	struct address_space *mapping;
+	char *vaddr;
+	int i;
+
+	if (obj->phys_handle) {
+		if ((unsigned long)obj->phys_handle->vaddr & (align -1))
+			return -EBUSY;
+
+		return 0;
+	}
+
+	if (obj->madv != I915_MADV_WILLNEED)
+		return -EFAULT;
+
+	if (obj->base.filp == NULL)
+		return -EINVAL;
+
+	/* create a new object */
+	phys = drm_pci_alloc(obj->base.dev, obj->base.size, align);
+	if (!phys)
+		return -ENOMEM;
+
+	vaddr = phys->vaddr;
+#ifdef CONFIG_X86
+	set_memory_wc((unsigned long)vaddr, phys->size / PAGE_SIZE);
+#endif
+	mapping = file_inode(obj->base.filp)->i_mapping;
+	for (i = 0; i < obj->base.size / PAGE_SIZE; i++) {
+		struct page *page;
+		char *src;
+
+		page = shmem_read_mapping_page(mapping, i);
+		if (IS_ERR(page)) {
+#ifdef CONFIG_X86
+			set_memory_wb((unsigned long)phys->vaddr, phys->size / PAGE_SIZE);
+#endif
+			drm_pci_free(obj->base.dev, phys);
+			return PTR_ERR(page);
+		}
+
+		src = kmap_atomic(page);
+		memcpy(vaddr, src, PAGE_SIZE);
+		kunmap_atomic(src);
+
+		mark_page_accessed(page);
+		page_cache_release(page);
+
+		vaddr += PAGE_SIZE;
+	}
+
+	obj->phys_handle = phys;
+	return 0;
+}
+
+static int
+i915_gem_phys_pwrite(struct drm_i915_gem_object *obj,
+		     struct drm_i915_gem_pwrite *args,
+		     struct drm_file *file_priv)
+{
+	struct drm_device *dev = obj->base.dev;
+	void *vaddr = obj->phys_handle->vaddr + args->offset;
+	char __user *user_data = to_user_ptr(args->data_ptr);
+
+	if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) {
+		unsigned long unwritten;
+
+		/* The physical object once assigned is fixed for the lifetime
+		 * of the obj, so we can safely drop the lock and continue
+		 * to access vaddr.
+		 */
+		mutex_unlock(&dev->struct_mutex);
+		unwritten = copy_from_user(vaddr, user_data, args->size);
+		mutex_lock(&dev->struct_mutex);
+		if (unwritten)
+			return -EFAULT;
+	}
+
+	i915_gem_chipset_flush(dev);
+	return 0;
+}
+
 void *i915_gem_object_alloc(struct drm_device *dev)
 {
 	struct drm_i915_private *dev_priv = dev->dev_private;
@@ -921,8 +1039,8 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
 	 * pread/pwrite currently are reading and writing from the CPU
 	 * perspective, requiring manual detiling by the client.
 	 */
-	if (obj->phys_obj) {
-		ret = i915_gem_phys_pwrite(dev, obj, args, file);
+	if (obj->phys_handle) {
+		ret = i915_gem_phys_pwrite(obj, args, file);
 		goto out;
 	}
 
@@ -4163,9 +4281,6 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj)
 
 	trace_i915_gem_object_destroy(obj);
 
-	if (obj->phys_obj)
-		i915_gem_detach_phys_object(dev, obj);
-
 	list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) {
 		int ret;
 
@@ -4183,6 +4298,8 @@ void i915_gem_free_object(struct drm_gem_object *gem_obj)
 		}
 	}
 
+	i915_gem_object_detach_phys(obj);
+
 	/* Stolen objects don't hold a ref, but do hold pin count. Fix that up
 	 * before progressing. */
 	if (obj->stolen)
@@ -4646,190 +4763,6 @@ i915_gem_load(struct drm_device *dev)
 	register_shrinker(&dev_priv->mm.inactive_shrinker);
 }
 
-/*
- * Create a physically contiguous memory object for this object
- * e.g. for cursor + overlay regs
- */
-static int i915_gem_init_phys_object(struct drm_device *dev,
-				     int id, int size, int align)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_i915_gem_phys_object *phys_obj;
-	int ret;
-
-	if (dev_priv->mm.phys_objs[id - 1] || !size)
-		return 0;
-
-	phys_obj = kzalloc(sizeof(*phys_obj), GFP_KERNEL);
-	if (!phys_obj)
-		return -ENOMEM;
-
-	phys_obj->id = id;
-
-	phys_obj->handle = drm_pci_alloc(dev, size, align);
-	if (!phys_obj->handle) {
-		ret = -ENOMEM;
-		goto kfree_obj;
-	}
-#ifdef CONFIG_X86
-	set_memory_wc((unsigned long)phys_obj->handle->vaddr, phys_obj->handle->size / PAGE_SIZE);
-#endif
-
-	dev_priv->mm.phys_objs[id - 1] = phys_obj;
-
-	return 0;
-kfree_obj:
-	kfree(phys_obj);
-	return ret;
-}
-
-static void i915_gem_free_phys_object(struct drm_device *dev, int id)
-{
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	struct drm_i915_gem_phys_object *phys_obj;
-
-	if (!dev_priv->mm.phys_objs[id - 1])
-		return;
-
-	phys_obj = dev_priv->mm.phys_objs[id - 1];
-	if (phys_obj->cur_obj) {
-		i915_gem_detach_phys_object(dev, phys_obj->cur_obj);
-	}
-
-#ifdef CONFIG_X86
-	set_memory_wb((unsigned long)phys_obj->handle->vaddr, phys_obj->handle->size / PAGE_SIZE);
-#endif
-	drm_pci_free(dev, phys_obj->handle);
-	kfree(phys_obj);
-	dev_priv->mm.phys_objs[id - 1] = NULL;
-}
-
-void i915_gem_free_all_phys_object(struct drm_device *dev)
-{
-	int i;
-
-	for (i = I915_GEM_PHYS_CURSOR_0; i <= I915_MAX_PHYS_OBJECT; i++)
-		i915_gem_free_phys_object(dev, i);
-}
-
-void i915_gem_detach_phys_object(struct drm_device *dev,
-				 struct drm_i915_gem_object *obj)
-{
-	struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
-	char *vaddr;
-	int i;
-	int page_count;
-
-	if (!obj->phys_obj)
-		return;
-	vaddr = obj->phys_obj->handle->vaddr;
-
-	page_count = obj->base.size / PAGE_SIZE;
-	for (i = 0; i < page_count; i++) {
-		struct page *page = shmem_read_mapping_page(mapping, i);
-		if (!IS_ERR(page)) {
-			char *dst = kmap_atomic(page);
-			memcpy(dst, vaddr + i*PAGE_SIZE, PAGE_SIZE);
-			kunmap_atomic(dst);
-
-			drm_clflush_pages(&page, 1);
-
-			set_page_dirty(page);
-			mark_page_accessed(page);
-			page_cache_release(page);
-		}
-	}
-	i915_gem_chipset_flush(dev);
-
-	obj->phys_obj->cur_obj = NULL;
-	obj->phys_obj = NULL;
-}
-
-int
-i915_gem_attach_phys_object(struct drm_device *dev,
-			    struct drm_i915_gem_object *obj,
-			    int id,
-			    int align)
-{
-	struct address_space *mapping = file_inode(obj->base.filp)->i_mapping;
-	struct drm_i915_private *dev_priv = dev->dev_private;
-	int ret = 0;
-	int page_count;
-	int i;
-
-	if (id > I915_MAX_PHYS_OBJECT)
-		return -EINVAL;
-
-	if (obj->phys_obj) {
-		if (obj->phys_obj->id == id)
-			return 0;
-		i915_gem_detach_phys_object(dev, obj);
-	}
-
-	/* create a new object */
-	if (!dev_priv->mm.phys_objs[id - 1]) {
-		ret = i915_gem_init_phys_object(dev, id,
-						obj->base.size, align);
-		if (ret) {
-			DRM_ERROR("failed to init phys object %d size: %zu\n",
-				  id, obj->base.size);
-			return ret;
-		}
-	}
-
-	/* bind to the object */
-	obj->phys_obj = dev_priv->mm.phys_objs[id - 1];
-	obj->phys_obj->cur_obj = obj;
-
-	page_count = obj->base.size / PAGE_SIZE;
-
-	for (i = 0; i < page_count; i++) {
-		struct page *page;
-		char *dst, *src;
-
-		page = shmem_read_mapping_page(mapping, i);
-		if (IS_ERR(page))
-			return PTR_ERR(page);
-
-		src = kmap_atomic(page);
-		dst = obj->phys_obj->handle->vaddr + (i * PAGE_SIZE);
-		memcpy(dst, src, PAGE_SIZE);
-		kunmap_atomic(src);
-
-		mark_page_accessed(page);
-		page_cache_release(page);
-	}
-
-	return 0;
-}
-
-static int
-i915_gem_phys_pwrite(struct drm_device *dev,
-		     struct drm_i915_gem_object *obj,
-		     struct drm_i915_gem_pwrite *args,
-		     struct drm_file *file_priv)
-{
-	void *vaddr = obj->phys_obj->handle->vaddr + args->offset;
-	char __user *user_data = to_user_ptr(args->data_ptr);
-
-	if (__copy_from_user_inatomic_nocache(vaddr, user_data, args->size)) {
-		unsigned long unwritten;
-
-		/* The physical object once assigned is fixed for the lifetime
-		 * of the obj, so we can safely drop the lock and continue
-		 * to access vaddr.
-		 */
-		mutex_unlock(&dev->struct_mutex);
-		unwritten = copy_from_user(vaddr, user_data, args->size);
-		mutex_lock(&dev->struct_mutex);
-		if (unwritten)
-			return -EFAULT;
-	}
-
-	i915_gem_chipset_flush(dev);
-	return 0;
-}
-
 void i915_gem_release(struct drm_device *dev, struct drm_file *file)
 {
 	struct drm_i915_file_private *file_priv = file->driver_priv;
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 5432267..3e7ce8e 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -7823,14 +7823,12 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 		addr = i915_gem_obj_ggtt_offset(obj);
 	} else {
 		int align = IS_I830(dev) ? 16 * 1024 : 256;
-		ret = i915_gem_attach_phys_object(dev, obj,
-						  (intel_crtc->pipe == 0) ? I915_GEM_PHYS_CURSOR_0 : I915_GEM_PHYS_CURSOR_1,
-						  align);
+		ret = i915_gem_object_attach_phys(obj, align);
 		if (ret) {
 			DRM_DEBUG_KMS("failed to attach phys object\n");
 			goto fail_locked;
 		}
-		addr = obj->phys_obj->handle->busaddr;
+		addr = obj->phys_handle->busaddr;
 	}
 
 	if (IS_GEN2(dev))
@@ -7838,10 +7836,7 @@ static int intel_crtc_cursor_set(struct drm_crtc *crtc,
 
  finish:
 	if (intel_crtc->cursor_bo) {
-		if (INTEL_INFO(dev)->cursor_needs_physical) {
-			if (intel_crtc->cursor_bo != obj)
-				i915_gem_detach_phys_object(dev, intel_crtc->cursor_bo);
-		} else
+		if (!INTEL_INFO(dev)->cursor_needs_physical)
 			i915_gem_object_unpin_from_display_plane(intel_crtc->cursor_bo);
 		drm_gem_object_unreference(&intel_crtc->cursor_bo->base);
 	}
diff --git a/drivers/gpu/drm/i915/intel_overlay.c b/drivers/gpu/drm/i915/intel_overlay.c
index d8adc91..129db0c 100644
--- a/drivers/gpu/drm/i915/intel_overlay.c
+++ b/drivers/gpu/drm/i915/intel_overlay.c
@@ -193,7 +193,7 @@ intel_overlay_map_regs(struct intel_overlay *overlay)
 	struct overlay_registers __iomem *regs;
 
 	if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
-		regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_obj->handle->vaddr;
+		regs = (struct overlay_registers __iomem *)overlay->reg_bo->phys_handle->vaddr;
 	else
 		regs = io_mapping_map_wc(dev_priv->gtt.mappable,
 					 i915_gem_obj_ggtt_offset(overlay->reg_bo));
@@ -1340,14 +1340,12 @@ void intel_setup_overlay(struct drm_device *dev)
 	overlay->reg_bo = reg_bo;
 
 	if (OVERLAY_NEEDS_PHYSICAL(dev)) {
-		ret = i915_gem_attach_phys_object(dev, reg_bo,
-						  I915_GEM_PHYS_OVERLAY_REGS,
-						  PAGE_SIZE);
+		ret = i915_gem_object_attach_phys(reg_bo, PAGE_SIZE);
 		if (ret) {
 			DRM_ERROR("failed to attach phys overlay regs\n");
 			goto out_free_bo;
 		}
-		overlay->flip_addr = reg_bo->phys_obj->handle->busaddr;
+		overlay->flip_addr = reg_bo->phys_handle->busaddr;
 	} else {
 		ret = i915_gem_obj_ggtt_pin(reg_bo, PAGE_SIZE, PIN_MAPPABLE);
 		if (ret) {
@@ -1428,7 +1426,7 @@ intel_overlay_map_regs_atomic(struct intel_overlay *overlay)
 		/* Cast to make sparse happy, but it's wc memory anyway, so
 		 * equivalent to the wc io mapping on X86. */
 		regs = (struct overlay_registers __iomem *)
-			overlay->reg_bo->phys_obj->handle->vaddr;
+			overlay->reg_bo->phys_handle->vaddr;
 	else
 		regs = io_mapping_map_atomic_wc(dev_priv->gtt.mappable,
 						i915_gem_obj_ggtt_offset(overlay->reg_bo));
@@ -1462,7 +1460,7 @@ intel_overlay_capture_error_state(struct drm_device *dev)
 	error->dovsta = I915_READ(DOVSTA);
 	error->isr = I915_READ(ISR);
 	if (OVERLAY_NEEDS_PHYSICAL(overlay->dev))
-		error->base = (__force long)overlay->reg_bo->phys_obj->handle->vaddr;
+		error->base = (__force long)overlay->reg_bo->phys_handle->vaddr;
 	else
 		error->base = i915_gem_obj_ggtt_offset(overlay->reg_bo);
 
