For bazzite, HDR should work ootb in game mode, but not in desktop mode.
Though as an OLED monitor, it should still be quite a good display on desktop mode even without HDR.
this post was submitted on 16 Jul 2024
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Hmm thats actually really good to know, as I do use desktop mode for my PC. Will need to do some research around this for sure!
As far as I know, gnome doesn't have any support for HDR yet.
KDE has very preliminary support, but very few applications support HDR natively on Linux.
It'll still be a while before HDR support is seamless.
Thanks for letting me know :)
I have the 3440x1440 Alienware with PopOS (gnome). Like others have said it doesnt support HDR, but the monitor still looks amazing. VRR works fine, which to me was more important (but possibly because I've never actually used HDR before, even on Windows PCs).
You can't miss what you never had! But now that I have OLED i could never go back to IPS/VA...
I've been using my MiniLED monitor (Acer XV275K P3) in HDR mode with Plasma 6 on NixOS with an AMD RX 7600. It works well, HDR content is displayed nicely and SDR content is tonemapped pretty well imo.
It can be a little weird setting up the vk_hdr_layer for mpv, and running games inside Gamescope, but once it works then it looks as good as on Windows I believe.