drm/i915/chv: Don't use PCS group access reads
authorVille Syrjälä <ville.syrjala@linux.intel.com>
Wed, 9 Apr 2014 10:29:02 +0000 (13:29 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Tue, 20 May 2014 13:48:58 +0000 (15:48 +0200)
commit97fd4d5c81af7976b4ec9971a93bf3c361066c65
tree0adbfae41574e1366b48f2e564eec85507d026c0
parentd2152b2524a96e6cb71097ea26c2e7c3f9e3ee12
drm/i915/chv: Don't use PCS group access reads

All PCS groups access reads return 0xffffffff, so we can't use group
access for RMW cycles. Instead target each spline separately.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Mika Kuoppala <mika.kuoppala@intel.com>
[danvet: Fight conflict with misplaced ; .... ARGH!]
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/i915_reg.h
drivers/gpu/drm/i915/intel_dp.c
drivers/gpu/drm/i915/intel_hdmi.c