Public bug reported:

`--scale 0.5 --filter nearest` works on the internal screen, however not
on the external screen (via USB-C with Display-Port)

`xrandr --output eDP-1 --primary --mode 1920x1080 --pos 0x0 --scale 0.5
--filter nearest --dpi 141 --output DP-1-3 --mode 3840x2160 --scale .5
--pos 960x0 --filter nearest`

results in a display of the solution 1920x1080 (upper left quater),
however the mouse uses the whole 3840x2160-space, leading to an offset
between mouse and display.

However this does not occur on the internal screen.

xrandr:
xrandr program version       1.5.1
Server reports RandR version 1.6

host:
 Static hostname: lws84.imws.tuwien.ac.at
       Icon name: computer-laptop
         Chassis: laptop
Operating System: Fedora 34 (Workstation Edition) 
     CPE OS Name: cpe:/o:fedoraproject:fedora:34
          Kernel: Linux 5.13.4-200.fc34.x86_64
    Architecture: x86-64
 Hardware Vendor: Lenovo
  Hardware Model: ThinkPad P15 Gen 1

Screen:
https://www.lg.com/de/monitore/lg-27UK670-B

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1937916

Title:
   xrandr --scale confines mouse to native solution on secondary sceen

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