The Catalyst Control Center has two vblank settings. One is the global tear-free setting under "Display Option". The other one is "Wait for vertical refresh" under "3D-More Settings".
Does it help if you set the latter to "Off, unless applications specifies" and restart X?
The Catalyst Control Center has two vblank settings. One is the global tear-free setting under "Display Option". The other one is "Wait for vertical refresh" under "3D-More Settings".
Does it help if you set the latter to "Off, unless applications specifies" and restart X?