AG blog

eDP屏幕不显示的原因 屏参确认配置正确后，eDP屏幕不显示 在kernel log搜edp，报这种错 [ 5.697505] rockchip-vop ff930000.vop: [drm:vop_crtc_enable] Update mode to 1920x1080p55, type: 14 [ 5.911435] rockchip-dp ff970000.dp: AUX CH command reply failed! [ 5.912399] rockchip-dp ff9700

编译 CentOS vault镜像地址（CentOS系统本身的相关代码） https://mirrors.tuna.tsinghua.edu.cn/centos-vault 找一个kernel src RPM，例如： https://mirrors.tuna.tsinghua.edu.cn/centos-vault/7.9.2009/os/Source/SPackages/kernel-3.10.0-1160.el7.src.rpm 编译方式参考 https://blog.youkuaiyun.com/u01