https://bugs.freedesktop.org/show_bug.cgi?id=107082
--- Comment #5 from Michel Dänzer michel@daenzer.net --- (In reply to mikhail.v.gavrilov from comment #4)
The first that I did not like was that on the first monitor which was connected via DisplayPort, the scaling setting was reset from 200% to 100%.
Sounds like a GNOME issue. The kernel driver doesn't do any implicit scaling, it's all up to userspace.