Tx2 & fpga pcie

Hello

Firmware upgrade to JetPack_4.6.1，why PCI bus information cannot be queried？

lspci

nothing print in console

firmware version JetPack_4.2.1，i can get below informatin at least

lspci

00:01.0 PCI bridge: NVIDIA Corporation Device 10e5 (rev a1)

How to fix this problem?