While display is off u-s-c focuses a newly spawned greeter session that has its own display configuration. Mir applies that configuration as a reaction to the focus change. That display configuration has power mode set to on - hence display is also turned on again..
While display is off u-s-c focuses a newly spawned greeter session that has its own display configuration. Mir applies that configuration as a reaction to the focus change. That display configuration has power mode set to on - hence display is also turned on again..