]> git.baikalelectronics.ru Git - kernel.git/commit
drm/i915/edp: use lane count and link rate from DPCD for eDP
authorJani Nikula <jani.nikula@intel.com>
Tue, 9 Sep 2014 08:25:13 +0000 (11:25 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Fri, 19 Sep 2014 12:41:13 +0000 (14:41 +0200)
commit7cd2a475090be8b9290dc665e7b5854cea5e9a1f
tree417ea0ac75ae1f40dfafc462b34c1bdf732ff4dd
parent12ab1b85f2d783da3d28bc6de275546897bd2356
drm/i915/edp: use lane count and link rate from DPCD for eDP

eDP panels are generally designed to support only a single clock and
lane configuration.

commit 2cb62eaf17cd3a4a8e6189d972a4ca6bdb6cfa14
Author: Jani Nikula <jani.nikula@intel.com>
Date:   Tue May 6 14:56:52 2014 +0300

    drm/i915: use lane count and link rate from VBT as minimums for eDP

should have started using the optimal link parameters for eDP
panels. Turns out a certain other OS uses DPCD instead of VBT, which
means trusting VBT on this may not be so reliable after all. Follow
suit.

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=81647
Tested-by: Adam Jirasek <libm3l@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=79386
Tested-by: Narthana Epa <narthana.epa+freedesktop@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
drivers/gpu/drm/i915/intel_dp.c