Kernel support: http://lists.freedesktop.org/archives/dri-devel/2014-August/066606.html mesa support: http://cgit.freedesktop.org/mesa/mesa/commit/?id=f50b6b489534f8f362953cbe08d37233f1eab669 ddx support: http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=39fef269f521c92a2a31c80447e9401bacb3797a libdrm_radeon support: http://cgit.freedesktop.org/mesa/drm/commit/?id=3ad801bf1fc4ad3becdcf329fc6fe807eb312e89