+int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
+ struct vmw_dma_buffer *dmabuf,
+ u32 width, u32 height,
+ u32 hotspotX, u32 hotspotY)
+{
+ struct ttm_bo_kmap_obj map;
+ unsigned long kmap_offset;
+ unsigned long kmap_num;
+ void *virtual;
+ bool dummy;
+ int ret;
+
+ kmap_offset = 0;
+ kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+ ret = ttm_bo_reserve(&dmabuf->base, true, false, false, 0);
+ if (unlikely(ret != 0)) {
+ DRM_ERROR("reserve failed\n");
+ return -EINVAL;
+ }
+
+ ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
+ if (unlikely(ret != 0))
+ goto err_unreserve;
+
+ virtual = ttm_kmap_obj_virtual(&map, &dummy);
+ ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
+ hotspotX, hotspotY);
+
+ ttm_bo_kunmap(&map);
+err_unreserve:
+ ttm_bo_unreserve(&dmabuf->base);
+
+ return ret;
+}
+
+