Too bad IOMMU is not available on this chips, can't pass through PCIe network card on Proxmox.
Linux version 5.15.30-2-pve (build@proxmox) (gcc (Debian 10.2.1-6) 10.2.1 20210110
DMI: FUJITSU FUTRO S920/D3313-G1, BIOS V18.104.22.168 R1.16.0 for D3313-G1x 08/13/2018
CPU0: AMD GX-222GC SOC with Radeon(TM) R5E Graphics (family: 0x16, model: 0x30, stepping: 0x1)
[ 7.060633] AMD-Vi: AMD IOMMUv2 functionality not available on this system - This is not a bug.
vendor_id : AuthenticAMD
cpu family : 22
model : 48
model name : AMD GX-222GC SOC with Radeon(TM) R5E Graphics
It would make an interesting Proxmox low power device to work with, OpenWRT on top of Proxmox and another low power VM to leave running 24/7.