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-X, which is subscribed to xserver-xorg-video-ati in 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 _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp