the drm_file parameter is unused, so remove it.
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Cc: Dave Airlie <airlied@redhat.com>
Reviewed-by: NJason Ekstrand <jason@jlekstrand.net>
Signed-off-by: NDave Airlie <airlied@redhat.com>