If you have an AMD GPU, the upcoming KDE Plasma 6 will have experimental HDR support. Or you can use gamescope (a compositor made by valve for steam deck) as your login session which will launch steam in big picture mode (afaik you can’t run other apps except steam in this desktop session).
If you have an AMD GPU, the upcoming KDE Plasma 6 will have experimental HDR support. Or you can use gamescope (a compositor made by valve for steam deck) as your login session which will launch steam in big picture mode (afaik you can’t run other apps except steam in this desktop session).