On Fri, 31 Mar 2017, Georgios Dakidis georgiosdakidis@protonmail.com wrote:

lspci -n 00:02.0 0300: 8086:0f31 (rev 0e) lspci -nn 00:02.0 VGA compatible controller [0300]: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display [8086:0f31] (rev 0e)

I'm almost certain you have some other issue than one that requires i915.invert_brightness. It was only ever really needed for some gen4 hardware, AFAICT. Please file a bug at [1], describe your problem, attach dmesg with drm.debug=14 module parameter set.

BR, Jani.

[1] https://bugs.freedesktop.org/enter_bug.cgi?product=DRI&component=DRM/Int...