From: Ville Syrjälä <ville.syrjala@linux.intel.com>
Date: Fri, 12 Sep 2014 12:46:29 +0000 (+0300)
Subject: drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv
X-Git-Tag: fixes-for-v3.18-merge-window~99^2~4^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8c875fca1a8d76665c60fa141c220cee65f44f5e;p=pandora-kernel.git

drm/i915: Add limited color range readout for HDMI/DP ports on g4x/vlv/chv

The limited color range knob is in the port registers on
g4x and vlv/chv for HDMI, and on g4x for DP. Add the relevant code
to read out the hardware state into pipe config. On vlv/chv the
DP port limited color range knob is in PIPECONF for which we
already have readout code.

Cc: Chris Clayton <chris2553@googlemail.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Tested-by: Chris Clayton <chris2553@googlemail.com>
Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
---

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