7af000a6ec
When tracing the command stream with PAN_MESA_DEBUG=trace, all descriptors are read and decoded. Trying to read an invalid or old descriptor might cause confusion or (more importantly) a crash. Signed-off-by: Louis-Francis Ratté-Boulianne <lfrb@collabora.com> Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31768>