Background: I have a PC with two HDMI1.4 outputs and 4k monitor that allows Picture-By-Picture display from two HDMI sources. A single HDMI1.4 connection between the computer and the monitor is limited to 30hz. With 2x 1920x2160 outputs it is possible to get 4k at 60hz
When doing this, there are two outputs and each is treated as its own monitor. This causes problems:
- Fullscreen applications, e.g. games or video players are only “fullscreen” on half the screen because it looks like two physical monitors (from the computers point of view)
- maximizing windows only maximizes on one (½) monitor
Is it possible to set up xrandr so that there is a virtual 3840x2160 screen, and then set up each monitor to show a part of it. E.g. monitor 1 displays the left half and monitor 2 displays the right half. Applications would only see the virtual screen and "see" a resolution of 3840x2160, even for maximized windows.
I'm using KDE if it makes any difference.