ff8953f666
In utrace timestamp copy case cmd_buffer is NULL.
Fixes: dbbcd5c32c ("anv: factor out generation kernel dispatch into helper")
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30475>