Jetson Xavier Carrier Board HDMI issue

[mega.tron]

1. Its a custom board developed by us using Jetson Xavier NX Carrier Board reference design.
2. we have designed this board, fabricated outside.

we have completed the bring up of the board and power supply sections are completely working fine.

For your reference, we had a discussion about this topic earlier.

Connect 2 Jetson Xavier NX SOMs over a custom board

Hello, Plan is to connect 2 Jetson Xavier NX SOMs (one as a root complex:SOM1 and other as an endpoint:SOM2) with PCIe Gen 4 interface over a custom base board. Need help in understanding, configurations that has to be done(for both SOM1 and SOM2) info on driver files like PCIe etc… (download links) Any other things to consider? Thanks in advance!