Hi Piotr, 在 2025-03-04 21:12:50，"Piotr Oniszczuk" <piotr.oniszc...@gmail.com> 写道： > > >> Wiadomość napisana przez Andy Yan <andys...@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 > > >
