diff --git a/drivers/gpu/drm/ast/ast_cursor.c b/drivers/gpu/drm/ast/ast_cursor.c
index fac1ee79c372..c38f435bcde2 100644
--- a/drivers/gpu/drm/ast/ast_cursor.c
+++ b/drivers/gpu/drm/ast/ast_cursor.c
@@ -159,6 +159,8 @@ int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb)
 	struct drm_device *dev = &ast->base;
 	struct drm_gem_vram_object *dst_gbo = ast->cursor.gbo[ast->cursor.next_index];
 	struct drm_gem_vram_object *src_gbo = drm_gem_vram_of_gem(fb->obj[0]);
+	struct drm_gem_object *objs[] = {&src_gbo->bo.base, &dst_gbo->bo.base};
+	struct ww_acquire_ctx ctx;
 	struct dma_buf_map src_map, dst_map;
 	void __iomem *dst;
 	void *src;
@@ -168,26 +170,34 @@ int ast_cursor_blit(struct ast_private *ast, struct drm_framebuffer *fb)
 	    drm_WARN_ON_ONCE(dev, fb->height > AST_MAX_HWC_HEIGHT))
 		return -EINVAL;
 
-	ret = drm_gem_vram_vmap(src_gbo, &src_map);
+	ret = drm_gem_lock_reservations(objs, ARRAY_SIZE(objs), &ctx);
 	if (ret)
 		return ret;
+
+	ret = drm_gem_vram_vmap_local(src_gbo, &src_map);
+	if (ret)
+		goto err_drm_gem_unlock_reservations;
 	src = src_map.vaddr; /* TODO: Use mapping abstraction properly */
 
-	ret = drm_gem_vram_vmap(dst_gbo, &dst_map);
+	ret = drm_gem_vram_vmap_local(dst_gbo, &dst_map);
 	if (ret)
-		goto err_drm_gem_vram_vunmap;
+		goto err_drm_gem_vram_vunmap_local;
 	dst = dst_map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
 
 	/* do data transfer to cursor BO */
 	update_cursor_image(dst, src, fb->width, fb->height);
 
-	drm_gem_vram_vunmap(dst_gbo, &dst_map);
-	drm_gem_vram_vunmap(src_gbo, &src_map);
+	drm_gem_vram_vunmap_local(dst_gbo, &dst_map);
+	drm_gem_vram_vunmap_local(src_gbo, &src_map);
+
+	drm_gem_unlock_reservations(objs, ARRAY_SIZE(objs), &ctx);
 
 	return 0;
 
-err_drm_gem_vram_vunmap:
-	drm_gem_vram_vunmap(src_gbo, &src_map);
+err_drm_gem_vram_vunmap_local:
+	drm_gem_vram_vunmap_local(src_gbo, &src_map);
+err_drm_gem_unlock_reservations:
+	drm_gem_unlock_reservations(objs, ARRAY_SIZE(objs), &ctx);
 	return ret;
 }
 
@@ -241,6 +251,7 @@ void ast_cursor_show(struct ast_private *ast, int x, int y,
 {
 	struct drm_device *dev = &ast->base;
 	struct drm_gem_vram_object *gbo = ast->cursor.gbo[ast->cursor.next_index];
+	struct drm_gem_object *obj = &gbo->bo.base;
 	struct dma_buf_map map;
 	u8 x_offset, y_offset;
 	u8 __iomem *dst;
@@ -248,16 +259,22 @@ void ast_cursor_show(struct ast_private *ast, int x, int y,
 	u8 jreg;
 	int ret;
 
-	ret = drm_gem_vram_vmap(gbo, &map);
-	if (drm_WARN_ONCE(dev, ret, "drm_gem_vram_vmap() failed, ret=%d\n", ret))
+	ret = dma_resv_lock(obj->resv, NULL);
+	if (ret)
+		return;
+	ret = drm_gem_vram_vmap_local(gbo, &map);
+	if (drm_WARN_ONCE(dev, ret, "drm_gem_vram_vmap_local() failed, ret=%d\n", ret)) {
+		dma_resv_unlock(obj->resv);
 		return;
+	}
 	dst = map.vaddr_iomem; /* TODO: Use mapping abstraction properly */
 
 	sig = dst + AST_HWC_SIZE;
 	writel(x, sig + AST_HWC_SIGNATURE_X);
 	writel(y, sig + AST_HWC_SIGNATURE_Y);
 
-	drm_gem_vram_vunmap(gbo, &map);
+	drm_gem_vram_vunmap_local(gbo, &map);
+	dma_resv_unlock(obj->resv);
 
 	if (x < 0) {
 		x_offset = (-x) + offset_x;
diff --git a/drivers/gpu/drm/drm_gem_vram_helper.c b/drivers/gpu/drm/drm_gem_vram_helper.c
index 02ca22e90290..08a713993896 100644
--- a/drivers/gpu/drm/drm_gem_vram_helper.c
+++ b/drivers/gpu/drm/drm_gem_vram_helper.c
@@ -379,47 +379,6 @@ int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo)
 }
 EXPORT_SYMBOL(drm_gem_vram_unpin);
 
-static int drm_gem_vram_kmap_locked(struct drm_gem_vram_object *gbo,
-				    struct dma_buf_map *map)
-{
-	int ret;
-
-	if (gbo->vmap_use_count > 0)
-		goto out;
-
-	ret = ttm_bo_vmap(&gbo->bo, &gbo->map);
-	if (ret)
-		return ret;
-
-out:
-	++gbo->vmap_use_count;
-	*map = gbo->map;
-
-	return 0;
-}
-
-static void drm_gem_vram_kunmap_locked(struct drm_gem_vram_object *gbo,
-				       struct dma_buf_map *map)
-{
-	struct drm_device *dev = gbo->bo.base.dev;
-
-	if (drm_WARN_ON_ONCE(dev, !gbo->vmap_use_count))
-		return;
-
-	if (drm_WARN_ON_ONCE(dev, !dma_buf_map_is_equal(&gbo->map, map)))
-		return; /* BUG: map not mapped from this BO */
-
-	if (--gbo->vmap_use_count > 0)
-		return;
-
-	/*
-	 * Permanently mapping and unmapping buffers adds overhead from
-	 * updating the page tables and creates debugging output. Therefore,
-	 * we delay the actual unmap operation until the BO gets evicted
-	 * from memory. See drm_gem_vram_bo_driver_move_notify().
-	 */
-}
-
 /**
  * drm_gem_vram_vmap() - Pins and maps a GEM VRAM object into kernel address
  *                       space
@@ -447,7 +406,7 @@ int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map)
 	ret = drm_gem_vram_pin_locked(gbo, 0);
 	if (ret)
 		goto err_ttm_bo_unreserve;
-	ret = drm_gem_vram_kmap_locked(gbo, map);
+	ret = drm_gem_vram_vmap_local(gbo, map);
 	if (ret)
 		goto err_drm_gem_vram_unpin_locked;
 
@@ -479,13 +438,84 @@ void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *ma
 	if (WARN_ONCE(ret, "ttm_bo_reserve_failed(): ret=%d\n", ret))
 		return;
 
-	drm_gem_vram_kunmap_locked(gbo, map);
+	drm_gem_vram_vunmap_local(gbo, map);
 	drm_gem_vram_unpin_locked(gbo);
 
 	ttm_bo_unreserve(&gbo->bo);
 }
 EXPORT_SYMBOL(drm_gem_vram_vunmap);
 
+/**
+ * drm_gem_vram_vmap_local() - Maps a GEM VRAM object into kernel address space
+ * @gbo: The GEM VRAM object to map
+ * @map: Returns the kernel virtual address of the VRAM GEM object's backing
+ *       store.
+ *
+ * The vmap_local function maps the buffer of a GEM VRAM object into kernel address
+ * space. Call drm_gem_vram_vunmap_local() with the returned address to unmap and
+ * unpin the GEM VRAM object.
+ *
+ * The function is called with the BO's reservation object locked. For short-term
+ * mappings, callers must hold the lock until after unmapping the buffer. For
+ * long-term mappings, callers are required to pin the BO to it's current location
+ * before calling this function.
+ *
+ * Returns:
+ * 0 on success, or a negative error code otherwise.
+ */
+int drm_gem_vram_vmap_local(struct drm_gem_vram_object *gbo, struct dma_buf_map *map)
+{
+	int ret;
+
+	dma_resv_assert_held(gbo->bo.base.resv);
+
+	if (gbo->vmap_use_count > 0)
+		goto out;
+
+	ret = ttm_bo_vmap(&gbo->bo, &gbo->map);
+	if (ret)
+		return ret;
+
+out:
+	++gbo->vmap_use_count;
+	*map = gbo->map;
+
+	return 0;
+}
+EXPORT_SYMBOL(drm_gem_vram_vmap_local);
+
+/**
+ * drm_gem_vram_vunmap_local() - Unmaps a GEM VRAM object
+ * @gbo: The GEM VRAM object to unmap
+ * @map: Kernel virtual address where the VRAM GEM object was mapped
+ *
+ * A call to drm_gem_vram_vunmap_local() unmaps a GEM VRAM object's buffer. See
+ * the documentation for drm_gem_vram_vmap_local() for more information.
+ */
+void drm_gem_vram_vunmap_local(struct drm_gem_vram_object *gbo, struct dma_buf_map *map)
+{
+	struct drm_device *dev = gbo->bo.base.dev;
+
+	dma_resv_assert_held(gbo->bo.base.resv);
+
+	if (drm_WARN_ON_ONCE(dev, !gbo->vmap_use_count))
+		return;
+
+	if (drm_WARN_ON_ONCE(dev, !dma_buf_map_is_equal(&gbo->map, map)))
+		return; /* BUG: map not mapped from this BO */
+
+	if (--gbo->vmap_use_count > 0)
+		return;
+
+	/*
+	 * Permanently mapping and unmapping buffers adds overhead from
+	 * updating the page tables and creates debugging output. Therefore,
+	 * we delay the actual unmap operation until the BO gets evicted
+	 * from memory. See drm_gem_vram_bo_driver_move_notify().
+	 */
+}
+EXPORT_SYMBOL(drm_gem_vram_vunmap_local);
+
 /**
  * drm_gem_vram_fill_create_dumb() - \
 	Helper for implementing &struct drm_driver.dumb_create
@@ -871,17 +901,33 @@ static void drm_gem_vram_object_vunmap(struct drm_gem_object *gem, struct dma_bu
 	drm_gem_vram_vunmap(gbo, map);
 }
 
+static int drm_gem_vram_object_vmap_local(struct drm_gem_object *gem, struct dma_buf_map *map)
+{
+	struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem);
+
+	return drm_gem_vram_vmap_local(gbo, map);
+}
+
+static void drm_gem_vram_object_vunmap_local(struct drm_gem_object *gem, struct dma_buf_map *map)
+{
+	struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(gem);
+
+	drm_gem_vram_vunmap_local(gbo, map);
+}
+
 /*
  * GEM object funcs
  */
 
 static const struct drm_gem_object_funcs drm_gem_vram_object_funcs = {
-	.free	= drm_gem_vram_object_free,
-	.pin	= drm_gem_vram_object_pin,
-	.unpin	= drm_gem_vram_object_unpin,
-	.vmap	= drm_gem_vram_object_vmap,
+	.free = drm_gem_vram_object_free,
+	.pin = drm_gem_vram_object_pin,
+	.unpin = drm_gem_vram_object_unpin,
+	.vmap = drm_gem_vram_object_vmap,
 	.vunmap	= drm_gem_vram_object_vunmap,
-	.mmap   = drm_gem_ttm_mmap,
+	.vmap_local = drm_gem_vram_object_vmap_local,
+	.vunmap_local = drm_gem_vram_object_vunmap_local,
+	.mmap = drm_gem_ttm_mmap,
 	.print_info = drm_gem_ttm_print_info,
 };
 
diff --git a/drivers/gpu/drm/vboxvideo/vbox_mode.c b/drivers/gpu/drm/vboxvideo/vbox_mode.c
index dbc0dd53c69e..215b37c78c10 100644
--- a/drivers/gpu/drm/vboxvideo/vbox_mode.c
+++ b/drivers/gpu/drm/vboxvideo/vbox_mode.c
@@ -381,7 +381,8 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane,
 		container_of(plane->dev, struct vbox_private, ddev);
 	struct vbox_crtc *vbox_crtc = to_vbox_crtc(plane->state->crtc);
 	struct drm_framebuffer *fb = plane->state->fb;
-	struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(fb->obj[0]);
+	struct drm_gem_object *obj = fb->obj[0];
+	struct drm_gem_vram_object *gbo = drm_gem_vram_of_gem(obj);
 	u32 width = plane->state->crtc_w;
 	u32 height = plane->state->crtc_h;
 	size_t data_size, mask_size;
@@ -401,11 +402,12 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane,
 
 	vbox_crtc->cursor_enabled = true;
 
-	ret = drm_gem_vram_vmap(gbo, &map);
+	ret = dma_resv_lock(obj->resv, NULL);
+	if (ret)
+		return;
+	ret = drm_gem_vram_vmap_local(gbo, &map);
 	if (ret) {
-		/*
-		 * BUG: we should have pinned the BO in prepare_fb().
-		 */
+		dma_resv_unlock(obj->resv);
 		mutex_unlock(&vbox->hw_mutex);
 		DRM_WARN("Could not map cursor bo, skipping update\n");
 		return;
@@ -421,7 +423,8 @@ static void vbox_cursor_atomic_update(struct drm_plane *plane,
 	data_size = width * height * 4 + mask_size;
 
 	copy_cursor_image(src, vbox->cursor_data, width, height, mask_size);
-	drm_gem_vram_vunmap(gbo, &map);
+	drm_gem_vram_vunmap_local(gbo, &map);
+	dma_resv_unlock(obj->resv);
 
 	flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE |
 		VBOX_MOUSE_POINTER_ALPHA;
diff --git a/include/drm/drm_gem_vram_helper.h b/include/drm/drm_gem_vram_helper.h
index a4bac02249c2..bd6a60e7c22b 100644
--- a/include/drm/drm_gem_vram_helper.h
+++ b/include/drm/drm_gem_vram_helper.h
@@ -99,6 +99,8 @@ int drm_gem_vram_pin(struct drm_gem_vram_object *gbo, unsigned long pl_flag);
 int drm_gem_vram_unpin(struct drm_gem_vram_object *gbo);
 int drm_gem_vram_vmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
 void drm_gem_vram_vunmap(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
+int drm_gem_vram_vmap_local(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
+void drm_gem_vram_vunmap_local(struct drm_gem_vram_object *gbo, struct dma_buf_map *map);
 
 int drm_gem_vram_fill_create_dumb(struct drm_file *file,
 				  struct drm_device *dev,
