x11-drivers/displaylink-driver-5.6.1 should work with evdi-1.12 not evdi-1.13
Sorry for that if this is not clearly visible. It is on our backlog to make it easier for the future.
You might need to run this
xrandr --setprovideroutputsource 1 0
as it is described here.
https://wiki.archlinux.org/title/DisplayLink