The new radeon TearFree feature fixes this problem for me: http://lists.x.org/archives/xorg-driver-ati/2015-April/027345.html
It's still under revision, so it hasn't yet been committed to the xf86 -video-ati repository, but can be found here: http://cgit.freedesktop.org/~daenzer/xf86-video-ati/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1440602 Title: Graphics corruption after suspend/resume cycle To manage notifications about this bug go to: https://bugs.launchpad.net/xserver-xorg-driver-ati/+bug/1440602/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs