drm/i915: Fix SKL sprite disable double buffer register update

Write the PLANE_SURF register instead of PLANE_CTL to arm the double
buffer regisrter update.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ville Syrjälä 2015-03-19 17:57:14 +02:00 • committed by Daniel Vetter
commit 2ddc1dad39