https://blog.wongcw.com/2021/01/07/linux-kernel-5-10-5%e7%99%bc%e5%b8%83%ef%bc%9a%e7%a6%81%e7%94%a8fbcon%e5%8a%a0%e9%80%9f%e6%bb%be%e5%8b%95%e7%89%b9%e6%80%a7/