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authorJani Nikula <jani.nikula@intel.com>2012-11-12 14:33:45 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-12-17 10:37:44 -0800
commitd7ba8dff3e8afc83efe19c52ac7bd9ee2b65720b (patch)
treeb6730d79c8eac3838a74c900228abd1c42ab1018 /mm
parent11b73096b67cde81ba05125cecb06fe9884e4cb7 (diff)
downloadlinux-linaro-stable-d7ba8dff3e8afc83efe19c52ac7bd9ee2b65720b.tar.gz
drm/i915: do not default to 18 bpp for eDP if missing from VBT
commit 9a30a61f3516871c5c638fd7c025fbaa11ddf7fe upstream. commit 500a8cc466a24e2fbc4c86ef9c6467ae2ffdeb0c Author: Zhenyu Wang <zhenyuw@linux.intel.com> Date: Wed Jan 13 11:19:52 2010 +0800 drm/i915: parse eDP panel color depth from VBT block originally introduced parsing bpp for eDP from VBT, with a default of 18 bpp if the eDP BIOS data block is not present. Turns out that default seems to break the Macbook Pro with retina display, as noted in commit 4344b813f105a19f793f1fd93ad775b784648b95 Author: Daniel Vetter <daniel.vetter@ffwll.ch> Date: Fri Aug 10 11:10:20 2012 +0200 drm/i915: ignore eDP bpc settings from vbt Since we can't ignore bpc settings from VBT completely after all, get rid of the default. Do not clamp eDP to 18 bpp by default if the eDP BDB is missing from VBT. Signed-off-by: Jani Nikula <jani.nikula@intel.com> Tested-by: Henrik Rydberg <rydberg@euromail.se> [danvet: paste in the updated commit message from irc.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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