debian 9 配置ati驱动

可以参考debian wiki

1.识别自己显卡驱动

lspci -nn | grep VGA

2.添加源

# Debian 9 "stretch"
deb http://httpredir.debian.org/debian/ stretch main contrib non-free

3.更新缓存

apt-get update

4.开始安装

apt-get install firmware-linux-nonfree libgl1-mesa-dri xserver-xorg-video-ati

5.重启即可