Hey Gerrit!

 GK> Sounds like a bit of a luxury problem indeed. ;)

Heh, heh.  Nice for a change.  It is usually el-cheapo crap problems in this neck of the woods.  Not that any of this is mission critical but to quote Yosimite Sam, "I paid my five bits to see the high diving act and I am GONNA see the high diving act!"

 GK> But you're right, modern monitors are often surprisingly slow in
 GK> finding signals.

I am going to try a test kernel with all the amdgpu stuff builtin as that might fix this luxury problem without further breaking the bank.

I need a bigger budget.

 GK> But that's probably with no regard to using uefi or legacy boot.

There is a difference.  With uefi I get boot penguins but not with a legacy boot, or at least not when deploying i915 or amdgpu.  I have both now so I can easily check.  I can't speak about amdgpu with respect to 4.x kernels but i915 was working with legacy boots.  However I predict that 5.18.x kernels will find things getting noticably better.  We'll soon enough see.

Life is good,
Maurice

... Treow sceal on eorle, wisdom on were.
    Loyalty belongs in a warrior, wisdom in a man.
--- GNU bash, version 5.1.16(1)-release (x86_64-znver1-linux-gnu)