On Fri, 26 Jun 2015, Jani Nikula wrote:
> Some 855gm models (at least ThinkPad X40) regressed because of
>
> commit b0cd324faed23d10d66ba6ade66579c681feef6f
> Author: Jani Nikula
> Date: Wed Nov 12 16:25:43 2014 +0200
>
> drm/i915: don't save/restore backlight hist ctl registers
>
> which t
Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact:
shuang...@intel.com)
Task id: 6566
-Summary-
Platform Delta drm-intel-nightly Series Applied
ILK
Some 855gm models (at least ThinkPad X40) regressed because of
commit b0cd324faed23d10d66ba6ade66579c681feef6f
Author: Jani Nikula
Date: Wed Nov 12 16:25:43 2014 +0200
drm/i915: don't save/restore backlight hist ctl registers
which tried to make our driver more robust by not blindly savin