I have also had the same issue consistently. Happens occasionally, but is quite annoying. I can fix it by switching to a virtual terminal (which works), scheduling "DISPLAY=:0 xrandr --auto" to run in the near future, and then switching back to the X VT, and waiting for the command to run.
My stats: OS: Debian GNU/Linux 11 (bullseye) Hardware: Lenovo Thinkpad T460s Graphics: Intel Corporation Skylake GT2 [HD Graphics 520] Kernel: 5.10.0-9-amd64 (with i915 driver) Packages: xfce4 4.16 Packages: upower 0.99.11-2 Packages: light-locker 1.8.0-3 Cheers, - Chris
