https://bugs.freedesktop.org/show_bug.cgi?id=34709
--- Comment #9 from Alex Deucher agd5f@yahoo.com 2011-04-01 14:32:20 PDT --- (In reply to comment #8)
I did not try to revert it. It's way old. Just tried the kernel before and after.
Note that this is very hardware specific, I get the issue with rv530 but not rv515gl.
So the commit before it worked and the one after it did not?