The normal flip function places things in the ring in the legacy
way, so we either fix that or force MMIO flips always as we do in
this patch.
Signed-off-by: NOscar Mateo <oscar.mateo@intel.com>
Reviewed-by: NDamien Lespiau <damien.lespiau@intel.com>
[danvet: Checkpatch. Fucking again.]
Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>