drm/i915: set phase sync pointer override enable before setting phase sync pointer
authorJesse Barnes <jbarnes@virtuousgeek.org>
Tue, 4 Jan 2011 23:09:38 +0000 (15:09 -0800)
committerChris Wilson <chris@chris-wilson.co.uk>
Wed, 19 Jan 2011 12:37:48 +0000 (12:37 +0000)
commit6f06ce184c765fd8d50669a8d12fdd566c920859
treee01468f801eb21455d557f29c960541a76aa3630
parent0fc932b8ec36116bb759105ce910b0475e63112a
drm/i915: set phase sync pointer override enable before setting phase sync pointer

We need to unlock the phase sync pointer enable bit before we can
actually enable the phase sync pointer workaround on Ironlake.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_display.c