drm: virtio-gpu: ensure plane is flushed to host on atomic update

robherring · airlied · commit bd17d1c77c2a · 2016-02-11T08:56:22.000+10:00
This fixes drawing updates when updating planes with atomic API.

Signed-off-by: Rob Herring &lt;robh@kernel.org&gt;
Signed-off-by: Dave Airlie &lt;airlied@redhat.com&gt;
diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
@@ -84,6 +84,11 @@ static void virtio_gpu_plane_atomic_update(struct drm_plane *plane,
 				   plane->state->crtc_h,
 				   plane->state->crtc_x,
 				   plane->state->crtc_y);
+	virtio_gpu_cmd_resource_flush(vgdev, handle,
+				      plane->state->crtc_x,
+				      plane->state->crtc_y,
+				      plane->state->crtc_w,
+				      plane->state->crtc_h);
 }
 
 
