+
+
+int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv,
+ struct vmw_framebuffer *framebuffer,
+ unsigned flags, unsigned color,
+ struct drm_clip_rect *clips,
+ unsigned num_clips, int increment)
+{
+ size_t fifo_size;
+ int i;
+
+ struct {
+ uint32_t header;
+ SVGAFifoCmdUpdate body;
+ } *cmd;
+
+ fifo_size = sizeof(*cmd) * num_clips;
+ cmd = vmw_fifo_reserve(dev_priv, fifo_size);
+ if (unlikely(cmd == NULL)) {
+ DRM_ERROR("Fifo reserve failed.\n");
+ return -ENOMEM;
+ }
+
+ memset(cmd, 0, fifo_size);
+ for (i = 0; i < num_clips; i++, clips += increment) {
+ cmd[i].header = SVGA_CMD_UPDATE;
+ cmd[i].body.x = clips->x1;
+ cmd[i].body.y = clips->y1;
+ cmd[i].body.width = clips->x2 - clips->x1;
+ cmd[i].body.height = clips->y2 - clips->y1;
+ }
+
+ vmw_fifo_commit(dev_priv, fifo_size);
+ return 0;
+}