Seems to be solved in Kernel 6 Version.

You'll need to monitor where the boot process stops.

Connect a USB RS232 adapter to the DEBUG-UART connector.
Open a serial terminal app (e.g., PuTTY) and set the baud rate to 1500000 bps

You'll need to monitor where the boot process stops.

Connect a USB RS232 adapter to the DEBUG-UART connector.
Open a serial terminal app (e.g., PuTTY) and set the baud rate to 1500000 bps

You need to flash the device using Mask Mode. https://wiki.friendlyelec.com/wiki/index.php/NanoPC-T6#Option_3:_Install_OS_via_USB If the Mask Mode button isn't working, you'll need to connect through the DEBUG port using a terminal app. In U-Boot, you can manually start Mask Mode (if the command is ...

When using an RK3588 or RK3568 in combination with a Novastar LED controller, I consistently encounter issues with the resolution settings. It appears that Novastar is generating the necessary custom EDID with an incorrect checksum (based on what I’ve been able to reproduce so far), and Rockchip the...

I finally managed to use the HDMI-IN with GStreamer. Here’s what I did: EDID Modification: First, I removed the YCrCb 444 and 422 formats from the EDID using the Deltacast EDID Tool. Then, I applied the modified EDID with the following command: v4l2-ctl --set-edid format=raw,file=hdmiin_edid.bin --f...

Nobody has this problem?

Does anybody know how to force the HDMI-IN to NV12?

with this command I can force 422 but not 420

v4l2-ctl --get-edid > edid.txt
v4l2-ctl --set-edid file=edid.txt,format=hex,ycbcr422

any ideas?

Sorry, I have found it "rk3588-nanopi6-rev01.dts".
Didn't think that for me the newere board has rev01.dts

Is there a complete device tree for T6, the last which I found in git is for R6C?