commit 5b42427f upstream.

As pointed out by Seung-Woo Kim this should have been
passing flags like nouveau/radeon have.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>