eDP屏幕适配问题

最新推荐文章于 2025-01-22 16:12:21 发布

最新推荐文章于 2025-01-22 16:12:21 发布 · 5.3k 阅读

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#驱动程序

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 ff970000.dp: Rx Max Link Rate is abnormal :e8 !
[    5.914310] rockchip-dp ff970000.dp: AUX CH command reply failed!
[    5.914314] rockchip-dp ff970000.dp: LT link start failed!
[    5.914318] rockchip-dp ff970000.dp: eDP link training failed (-110)
[    5.917191] rockchip-dp ff970000.dp: AUX CH command reply failed!
[    5.917194] rockchip-dp ff970000.dp: Rx Max Link Rate is abnormal :0 !
[    5.917197] rockchip-dp ff970000.dp: Rx Max Lane count is abnormal :0 !
[    5.918137] rockchip-dp ff970000.dp: LT link start failed!
[    5.918141] rockchip-dp ff970000.dp: eDP link training failed (-121)
[    5.920190] rockchip-dp ff970000.dp: AUX CH command reply failed!

搜网上资料，发现有