https://bugs.freedesktop.org/show_bug.cgi?id=41698
--- Comment #3 from Chris Rankin rankincj@googlemail.com 2011-10-17 14:09:13 PDT --- (In reply to comment #2)
This problem does not happen with my RV790.
Actually, I'm not so sure about this now. Although the effect is certainly a lot less visible that with the RV350 and M66GL.