There's already the type, and there's no concurrent usage of fd and
dmabuf fd, so just drop it. This fixes sparse resource to work with
dmabuf external memory for lavapipe. In addition, this makes sparse
resource from venus on lavapipe to work with dmabuf backing.
Reviewed-by: Christian Gmeiner <cgmeiner@igalia.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38074>
Yiwei Zhang
67d54fd5dc