After installing Nvidia driver 545 on a single (27") monitor system, Settings shows a phantom 46" monitor of the same resolution.
It looks like the phantom monitor is /dev/dri/card0 which is still controlled by simpledrm, while Nvidia uses /dev/dri/card1.
After installing Nvidia driver 545 on a single (27") monitor system, Settings shows a phantom 46" monitor of the same resolution.
It looks like the phantom monitor is /dev/dri/card0 which is still controlled by simpledrm, while Nvidia uses /dev/dri/card1.