https://wiki.archlinux.org/index.php/Xrandr_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)
man 命令介绍
https://jlk.fjfi.cvut.cz/arch/manpages/man/xrandr.1
intel 打的pitch 相关于 limit full range 的介绍
https://patchwork.kernel.org/patch/1972181/
cea861