Linux Virtualization - Sep 2015 - [PATCH v2 3/6] virtio-gpu: wait for cursor updates finish

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com>
---
 drivers/gpu/drm/virtio/virtgpu_display.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/virtio/virtgpu_display.c
b/drivers/gpu/drm/virtio/virtgpu_display.c
index 4e160ef..97e5274 100644
--- a/drivers/gpu/drm/virtio/virtgpu_display.c
+++ b/drivers/gpu/drm/virtio/virtgpu_display.c
@@ -90,6 +90,9 @@ static int virtio_gpu_crtc_cursor_set(struct drm_crtc *crtc,
 					   cpu_to_le32(64),
 					   cpu_to_le32(64),
 					   0, 0, &fence);
+	reservation_object_add_excl_fence(qobj->tbo.resv,
+					  &fence->f);
+	virtio_gpu_object_wait(qobj, false);
 
 	output->cursor.hdr.type = cpu_to_le32(VIRTIO_GPU_CMD_UPDATE_CURSOR);
 	output->cursor.resource_id = cpu_to_le32(qobj->hw_res_handle);
-- 
1.8.3.1