I didn't fix this in the earlier patch -- it would have broken the
build due to the now-deleted garbage in drm_os_linux.h.
Reviewed-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: NAndy Lutomirski <luto@amacapital.net>
Signed-off-by: NDave Airlie <airlied@redhat.com>