Comment # 11 on bug 88877 from darkbasic

I switched to the modesetting driver (xorg-server git) + page flipping patches:
http://cgit.freedesktop.org/~kwg/xserver/commit/?h=pageflip&id=f60ed01813e8c479625c28ab530a0fa3d76c1196
http://cgit.freedesktop.org/~kwg/xserver/commit/?h=pageflip&id=885deeffc90548cc4a98def507522d422cc90a09
http://cgit.freedesktop.org/~kwg/xserver/commit/?h=pageflip&id=77c0d59d01fece39910ae593f7807e74ffe24583
http://cgit.freedesktop.org/~kwg/xserver/commit/?h=pageflip&id=25d5d2b1103be58bb2d549bf0e62d505377060f4
http://cgit.freedesktop.org/~kwg/xserver/commit/?h=pageflip&id=f3c10666df33650da1e772994b087825774671ee

~ # cat /usr/share/X11/xorg.conf.d/99-modesetting.conf 
Section "Device"
        Identifier "radeon"
        Driver "modesetting"
EndSection

~ $ ./dri3info 
Connected to DRI3 on display ':0', using fd 4: matches /dev/dri/card1

Also in the meantime I moved to Plasma 5 git so I can't reproduce the original
xf86-video-ati bug anymore, that's why I'm closing this issue.