Bug#1005339: [Solved] This issue is not a Debian bullseye problem

[Solved] The issue is solved if the external monitor is connected natively to the laptop's displayport instead of using displaymanager-debian through a dock. -- Mario Natiello

Bug#1005339: general: usbmouse+keyboard lag on closing the lid or issuing xrandr --output eDP-1 --off

is on, even if lid is closed Linux 5.10.0-11-amd64 #1 SMP Debian 5.10.92-1 (2022-01-18) x86_64 GNU/Linux Debian 11 bullseye -- Mario Natiello