Hi, > --- a/include/uapi/linux/virtio_gpu.h > +++ b/include/uapi/linux/virtio_gpu.h > @@ -60,6 +60,8 @@ > */ > #define VIRTIO_GPU_F_RESOURCE_BLOB 3 > > +#define VIRTIO_GPU_F_RELEASE_FENCE 4 > + > enum virtio_gpu_ctrl_type { > VIRTIO_GPU_UNDEFINED = 0, Where is the virtio-spec update for that? thanks, Gerd