Okay so while this is an ultra old post, I stumbled upon it with the same problem. I was able to fix it with the archwiki:
echo "options evdi initial_device_count=2" | sudo tee /etc/modprobe.d/evdi.conf
also with this:
ls -al /dev/dri/by-path # identify your evdi cards
Clown Heino
Okay so while this is an ultra old post, I stumbled upon it with the same problem. I was able to fix it with the archwiki:
echo "options evdi initial_device_count=2" | sudo tee /etc/modprobe.d/evdi.conf
also with this:
ls -al /dev/dri/by-path # identify your evdi cards
Section "Device"
Identifier "usbdev"
Driver "modesetting"
Option "kmsdev" "/dev/dri/<YOUR EVDI CARD>" e.g. /dev/dri/card2
EndSection
Section "Screen"
Identifier "Screen1"
Device "usbdev"
EndSection
into /etc/X11/xorg.conf
from here: https://wiki.archlinux.org/title/DisplayLink