(In reply to Sebastian Kuhne from comment #58) > After the move, I can confirm that > - radeon.si_support=0 > - amdgpu.si_support=1 > did not help for whatever reason (still ended up in a black screen) Those are for Southern Islands/GCN #1 GPUs. Your GPU is a Sea Islands/GCN #2, so would need instead: - radeon.cik_support=0 - amdgpu.cik_support=1