I've asked before, but does anyone know how to configure GDM/Gnome to ignore my monitors searching for Inputs? The OSD setting for the displays doesn't work (it has a setting that does nothing) and when all 3 of them start searching for inputs when Windows/Linux tries to turn off the displays, they end up sending some signal that Gnome/GDM interprets as input relevant to unsleeping the displays. So the displays can never turn off on their own, without my own manual intervention.
On their own, at best they end up on a black screen but on; With GDM/Gnome being unaware that the monitors are getting a signal as far as I can tell. (Some sort of race condition here maybe?)
Plugged in using DisplayPort to an EVGA RTX 3070 using the latest official nVidia Driver.