Sure,
AMD Ryzen 7 5700U with Radeon Graphics
Installed pve-firmware 3.17-2
Everything works fine, just the error annoys me as it's the only one, tried to suppress with
GRUB_CMDLINE_LINUX_DEFAULT="quiet amd_iommu=on amdgpu.psp_support=0 amdgpu.securedisplay=0"
Doesn't seem to be doing anything