https://bugs.freedesktop.org/show_bug.cgi?id=101671
--- Comment #4 from xela lyssdod@gmail.com --- Some additional info:
Kernel: Linux lynn 4.11.6-gentoo #4 SMP Sat Jul 1 22:32:15 EEST 2017 x86_64 Intel(R) Core(TM) i5-2520M CPU @ 2.50GHz GenuineIntel GNU/Linux
Xorg server: 1.19.3
Mesa: 17.1.3
xf86-video-intel: 2.99.917_p20170313
xf86-video-ati: 7.9.0
Running kernel with radeon.runpm=0 didn't change anything.
Let me know if I can help.
Thanks!