root@tomiwebpro:~# lspci -nnks 04:00
root@tomiwebpro:~# lspci -nnks 03:00
03:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Downstream Port of PCI Express Switch [1002:1479] (rev 24)
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Downstream Port of PCI Express Switch [1002:1479]
Kernel driver in use: pcieport
root@tomiwebpro:~# lspci -nnks 02:00
02:00.0 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Upstream Port of PCI Express Switch [1002:1478] (rev 24)
Subsystem: Sapphire Technology Limited Navi 10 XL Upstream Port of PCI Express Switch [1da2:1478]
Kernel driver in use: pcieport
root@tomiwebpro:~#