install fglrx on debian squeeze

Switch to virtual terminal by Ctrl + Alt + 1

$ sudo aptitude install fglrx-driver fglrx-glx fglrx-control fglrx-source fglrx-kernel-`uname -r` module-assistant

$ sudo modprobe fglrx

$ sudo aticonfig --initial (will replaces /etc/X11/xorg.conf if exists)

$ sudo invoke-rc.d gdm3 restart

Test

$ glxinfo | grep rendering

directrendering: Yes

$ sudo grep UVD /var/log/Xorg.0.log

(II) fglrx(0): UVD2 feature is available

$ fgl_glxgears

$ glxgears