commit 4a999d253195db87f18215049cf7a44f795f4ca0
author Jani Nikula <jani.nikula@intel.com> Fri Sep 04 16:55:15 2015 +0300
committer Daniel Vetter <daniel.vetter@ffwll.ch> Mon Sep 07 18:29:56 2015 +0200
tree 420408645ec14296995f419ce7047067d7afc15e
parent aa17cdb4f8367875d3a53c41e004fc02e983e317

drm/i915: don't hard code vlv backlight frequency if unset

Fall back to VBT based backlight modulation frequency if it's not
set. Do not hard code.

This could be a problem if there is no VBT.

Cc: Clint Taylor <clinton.a.taylor@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Tested-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>