https://blog.wongcw.com/2021/09/28/linux-5-16%e5%b0%87%e5%b8%b6%e4%be%86amdgpu%e9%96%8b%e6%ba%90%e9%a9%85%e5%8b%95%e7%9a%84%e5%88%9d%e6%ad%a5displayport-2-0%e6%94%af%e6%8f%b4/