https://bugs.freedesktop.org/show_bug.cgi?id=108514
--- Comment #9 from Werner Lueckel werner.lueckel@googlemail.com --- (In reply to Alex Deucher from comment #1)
Any chance you can narrow down when the regression occurred and bisect it using git? Please attach your dmesg output and xorg log (if using X).
I tried to narrow down the flickering issue making several tests; see my comments below.