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authorVille Syrjälä <ville.syrjala@linux.intel.com>2013-01-17 15:31:31 +0100
committerDaniel Vetter <daniel.vetter@ffwll.ch>2013-01-20 13:09:45 +0100
commitabedc077b45eff0b5a8630af8431ad5d59213582 (patch)
treee5a4f22ef38595086f48cb414d362f4b9f935de6 /drivers/char
parentdrm/edid: Add drm_rgb_quant_range_selectable() (diff)
downloadlinux-abedc077b45eff0b5a8630af8431ad5d59213582.tar.xz
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drm/i915: Provide the quantization range in the AVI infoframe
The AVI infoframe is able to inform the display whether the source is sending full or limited range RGB data. As per CEA-861 [1] we must first check whether the display reports the quantization range as selectable, and if so we can set the approriate bits in the AVI inforframe. [1] CEA-861-E - 6.4 Format of Version 2 AVI InfoFrame v2: Give the Q bits better names, add spec chapter information Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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