With price of PC components getting more expensive I was thinking of experimenting with a multi-seat type setup on my gaming PC. From what I was reading though, multi-seat requires a dedicated GPU for each seat since the compositor is expected to have an exclusive lock on the card.
Does anyone know if you can do a mult-seat like setup with a single GPU? I have a amd 9070 xt so as far as I know the gpu virtualization thing where you split a single physical GPU into multiple virtual GPUs won’t work. I was thinking maybe its possible to have a weak secondary GPU just for display, but I don’t know if the second seat would be able to still access the more powerful gaming GPU for rendering.
Spitballing:
Depending on how demanding those games are, perhaps they could still be run in VMs, just without physical GPU at all? Then you can passthrough USB controllers or attach USB devices just for the input and audio.
I guess you probably want third “management monitor” for this where you run virt-manager.
I’m guessing a “thin client” setup might not make sense here, but otherwise if you have some laptops around to use as “terminals viewers” that could also work I guess. I guess you would just do Steam Link remote play if this is just for Steam gaming though.