https://bugs.freedesktop.org/show_bug.cgi?id=75992
--- Comment #41 from Egon Ashrafinia e.ashrafinia@gmail.com --- Well, I just updated the Firmware (without the patch), rebuild my initram and reactivated dpm and it seems like those flickering and black holes on my display are gone.
I will test it with some opengl applications and yeah. Lets see :)