Seems Gnome issue instead, for reproducing on amdgpu try switching single-> dual-> single display mode and you'll witness. dont have Nvidia card so couldn't try it.
** Changed in: xrandr (Ubuntu) Status: Incomplete => New ** Package changed: xrandr (Ubuntu) => gnome-settings-daemon (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1932149 Title: xrandr under gnome 3.36.8 do not switch from single mode to dual mode display in single command To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-settings-daemon/+bug/1932149/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs