Re: [PATCH] drm/bridge: analogix_dp: Split bind() into probe() and real bind()【请注意,邮件由linux-rockchip-bounces+andy.yan=rock-chips.com@xxxxxxxxxxxxxxxxxxx代发】

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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

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