Hi, Welcome to LQ!
What is the performance like?
I don't see an error or fail in the dmesg list.
I would update the bios if there is an update available... And you know what settings you need (heart breaking...)
The quickest way to check your hardware compatabillity is with a live distro...
and hunt around for the modules and other settings
In your dmesg, I see no mention of DKMS (you will need a build-essential, gcc, make...)
maybe with a text filter you could use... dmesg | grep fail
Code:
dmesg | grep -i "error\|warning\|fail\|segfault\|fatal\|not"
you could also grep amdgpu...
Please, can you show the exact commands you are using?
see how you go.