Hi Andy On 05.03.2020 10:03, Andy Yan wrote: > > I tested it on a rk3399 board, but the eDP was broken after this patch > applied: > > > [ 0.891873] registered taskstats version 1 > [ 0.892243] Loading compiled-in X.509 certificates > [ 0.929147] rockchip-dp ff970000.edp: no DP phy configured > [ 0.931676] random: fast init done > [ 0.932594] rockchip-drm display-subsystem: bound ff900000.vop (ops > vop_component_ops) > [ 0.934117] rockchip-drm display-subsystem: bound ff970000.edp (ops > rockchip_dp_component_ops) > [ 0.934878] [drm] Supports vblank timestamp caching Rev 2 > (21.10.2013). > [ 0.935459] [drm] No driver support for vblank timestamp query. > [ 0.956708] mmc0: new HS400 MMC card at address 0001 > [ 0.958261] mmcblk0: mmc0:0001 AWPD3R 14.6 GiB > [ 0.958952] mmcblk0boot0: mmc0:0001 AWPD3R partition 1 4.00 MiB > [ 0.959804] mmcblk0boot1: mmc0:0001 AWPD3R partition 2 4.00 MiB > [ 0.960540] mmcblk0rpmb: mmc0:0001 AWPD3R partition 3 4.00 MiB, > chardev (242:0) > [ 0.965428] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.966228] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.967025] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.967104] mmcblk0: p1 p2 p3 p4 p5 > [ 0.967823] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.968620] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.969417] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.970216] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.971012] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.971811] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.972608] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.973404] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.974201] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.974998] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.975799] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.976596] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.977393] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.978189] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.978986] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.979786] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > [ 0.980584] rockchip-dp ff970000.edp: AUX CH error happened: 0x7 (1) > Thanks for the tests. I will check the code again, although I've tried not to change the code flow at all... If anyone has a suggestion what to check, let me know. > [...] Best regards -- Marek Szyprowski, PhD Samsung R&D Institute Poland
