drm/i915/crt: Flush register prior to waiting for vblank.
authorChris Wilson <chris@chris-wilson.co.uk>
Mon, 9 Aug 2010 13:50:53 +0000 (14:50 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 8 Sep 2010 09:13:31 +0000 (10:13 +0100)
commit19c55da11660fea1a0f1ddbb33ecf38d4f728799
tree357a2a5fe9c39873e77ec396dd58589624d250c8
parent82d7c9e7da9fa11b8ed968c94a19c7732e11c1ad
drm/i915/crt: Flush register prior to waiting for vblank.

If we don't flush the write then we can not be sure that the border
colour will have taken effect by the time we try to read it back.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/intel_crt.c