Comment # 22 on bug 107213 from Shmerl

It looks like it's related to
https://bugs.freedesktop.org/show_bug.cgi?id=107978

My monitor (Dell U2413) has a setting for toggling DisplayPort 1.2. When I
disable it, Wayland Plasma session isn't crashing anymore and is logging in
properly! So it's likely an amdgpu issue actually.