That's a BIOS bug with VCN not a GPU F/W bug. We can reproduce it on the same BIOS as you, and updating to a newer BIOS it goes away.
You can workaround it by masking the VCN IP block like this:
amdgpu.ip_block_mask=0xfffffcff
That's a BIOS bug with VCN not a GPU F/W bug. We can reproduce it on the same BIOS as you, and updating to a newer BIOS it goes away.
You can workaround it by masking the VCN IP block like this:
amdgpu. ip_block_ mask=0xfffffcff