https://bugs.freedesktop.org/show_bug.cgi?id=38465
--- Comment #2 from Erdem U. Altinyurt spamjunkeater@gmail.com 2012-05-15 17:25:36 PDT --- I have this flickering issue too on my HD8650. But not only moving to high to low profile. It flickers low to high profile too! This doesn't let us use "dynpm"...
Using Kernel 3.3.5 with mesa/radeon/drm trunk.