drm/i915: Disable high-bpc on pre-1.4 EDID screens
authorDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 19 Apr 2013 09:24:34 +0000 (11:24 +0200)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Wed, 24 Apr 2013 11:06:05 +0000 (13:06 +0200)
commit996a2239f93b03c5972923f04b097f65565c5bed
treeadf93b9149e91f13b01916b3a642bffe6f8bdb69
parentfd0c06420d39958032655a04cfd194d5a7b38f83
drm/i915: Disable high-bpc on pre-1.4 EDID screens

Prevents black screens when using 30bpp framebuffers on my
HDMI screens here. The DP input on the same screen though reports a
1.4 EDID with the correct 8bpc limit set.

v2: Actually check for the right thing!

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_display.c