Stable team, please backport
commit 813008cd3e93ea8a571b2b7d5b9360a3105b50f7
Author: Scot Doyle <lkml14@xxxxxxxxxxxxx>
Date: Tue Aug 19 02:07:13 2014 +0000
drm/i915: don't warn if backlight unexpectedly enabled
BIOS or firmware can modify hardware state during suspend/resume,
for example on the Toshiba CB35 or Lenovo T400, so log a debug message
instead of a warning if the backlight is unexpectedly enabled.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=80930
Cc: Jani Nikula <jani.nikula@xxxxxxxxx>
Signed-off-by: Scot Doyle <lkml14@xxxxxxxxxxxxx>
Signed-off-by: Jani Nikula <jani.nikula@xxxxxxxxx>
to stable kernels v3.14 through v3.16. It's a mere toning down an
excessive warn to a debug message, but we keep getting bug reports about
it.
Thanks,
Jani.
--
Jani Nikula, Intel Open Source Technology Center
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