After upgrading to linux Kernel-3.14, the screen on my Dell Latitude
D630 was nearly unreadably dim. When I Boot the 3.13 kernel, my screen
is bright.
I opened a Bug here: https://bugzilla.redhat.com/show_bug.cgi?id=1094066
and others have chimed in that they have the same problem.
I bisected the kernel, and found the following commit is responsible for
this problem:
b35684b8fa94e04f55fd38bf672b737741d2f9e2 is the first bad commit
commit b35684b8fa94e04f55fd38bf672b737741d2f9e2
Author: Jani Nikula <jani.nik...@intel.com <mailto:jani.nik...@intel.com>>
Date: Thu Nov 14 12:13:41 2013 +0200
drm/i915: do full backlight setup at enable time
We should now have all the information we need to do a full
initialization of the backlight registers.
v2: Keep QUIRK_NO_PCH_PWM_ENABLE for now (Imre).
Signed-off-by: Jani Nikula <jani.nik...@intel.com <mailto:jani.nik...@intel.com>>
Reviewed-by: Imre Deak <imre.d...@intel.com <mailto:imre.d...@intel.com>>
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch
<mailto:daniel.vet...@ffwll.ch>>
:040000 040000 0aae5515ca62ff1bfd2e1c2769e30c58b016ffeb
01c2f8cd145f8cf29730908d52e7e89b787a059e M drivers
I can find my way around the kernel, but haven't hit this area before.
Any help is appreciated.
Marc Milgram
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