SteamOS 3.7.0 Preview brings the 'beginnings of support for non-Steam Deck handhelds'
(www.gamingonlinux.com)
Bazzite works wonderfully even for non techy types. On mobile at least, NV drivers are working well but there is a performance penalty. Surprisingly, when the windows drivers are CPU limited, the linux one is actually performs better but, generally, there is a performance penalty on linux. AMD GPUs have parity except for Raytracing, at least from what I've seen, RADV performs below the proprietary driver on Windows.