[Bug 71101] Intel screen backlight control not working

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=71101

--- Comment #6 from jibi.lolwut at gmail.com ---
(In reply to Jani Nikula from comment #3)
> Please enable drm.debug=0xe module parameter and attach dmesg from early
> boot to when you try to change the backlight.
> 
> Did this work in 3.13? If so, please also attach the outputs of
> intel_reg_dumper (from the intel-gpu-tools package [1]) on both v3.13 and
> v3.14.
> 
> [1] http://cgit.freedesktop.org/xorg/app/intel-gpu-tools/

I'm currently using 3.13 and backlight control works properly.

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