[PATCH 0/6] Add support for RK3588 DisplayPort Controller

[Andy Yan]

Hi Piotr,

在 2025-03-04 21:12:50，"Piotr Oniszczuk" <piotr.oniszczuk at gmail.com> 写道：
>
>
>> Wiadomość napisana przez Andy Yan <andyshrk at 163.com> w dniu 1 mar 2025, o godz. 13:24:
>> 
>> 
>> Hi Piotr,
>> 
>>> 
>>> is it worth to play with this or it is too early?
>> 
>> I think you could give it a try if it using the Standard DP（non-ALT mode） port for output. 
>> Since I don't currently have a development board with DP1 output available, I haven't been
>> able to test it yet. As for the Type-C Alternate Mode output, some patches are still required 
>> I'll  send it with V2 tomorrow or next week.
>> Feel free to let me know if If you encounter any issues。
>> 
>
>Andy,
>I added dp1 enablement in rock5 itx like this: https://gist.github.com/warpme/bddf75912193f57724c49216d5d85d4a
>Unfortunately it not works.
>For /sys/kernel/debug/dri/0/state - pls see above link…
>I’m not sure: do i missed something in dt or rather issue issue  is in dp code...

I only see the HDMI connector from your dri/state ; so it appears the DP driver hasn't been successfully
initialized（I think kernel dmesg can tell that）. 
Have you enabled CONFIG_ROCKCHIP_DW_DP ? This is needed.


>
>FYI: schematic: https://dl.radxa.com/rock5/5itx/v1110/radxa_rock_5itx_v1110_schematic.pdf
>
>
>