https://bugs.freedesktop.org/show_bug.cgi?id=105911

--- Comment #7 from Michel Dänzer michel@daenzer.net --- (In reply to Matthias Nagel from comment #6)

...

BTW, does it still work with the 4.16 kernel and amdgpu.dc=0?

Yes it does. (But of course with a wrong layout, because DVI-I is renamed to DVI-D-1)

Really? It's surprising that the output name would change even with DC disabled.