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

This fixes drawing updates when updating planes with atomic API.

Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dave Airlie <airlied@redhat.com>

diff --git a/drivers/gpu/drm/virtio/virtgpu_plane.c b/drivers/gpu/drm/virtio/virtgpu_plane.c
index cad1ca49ad313547dd746f5fcee3f109f2cd4fb1..519eebd6c581fc85572415ecd1a820ff138b979b 100644 (file)
--- 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);
 }