drm/virtio: move remaining virtio_gpu_notify calls

Move all remaining virtio_gpu_notify() calls from virtio_gpu_cmd_*
to the callers, for consistency reasons.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/20200214125535.26349-7-kraxel@redhat.com

drivers/gpu/drm/virtio/virtgpu_object.c

@@ -88,6 +88,7 @@ static void virtio_gpu_free_object(struct drm_gem_object *obj)
 
 	if (bo->created) {
 		virtio_gpu_cmd_unref_resource(vgdev, bo);
+		virtio_gpu_notify(vgdev);
 		/* completion handler calls virtio_gpu_cleanup_object() */
 		return;
 	}