DP and PCIe of the Orin NX

Hi NV team, we make a carrier board for the Jetson Orin NX 16GB module feature two PCIe interface for SSD and the DP port. We success to flash it the JP5.1 follow the guide for Orin NX + Xavier NX carrier board. However, one of the PCIe and DP port seems to be disabled. Could you please show me how could I enable them? Should I need to modify the souces codes and rebuild the kernel? If I should, which files should be edited?

Thanks for your help.