https://bugs.kde.org/show_bug.cgi?id=483697
Bug ID: 483697
Summary: Cannot enable HDR when display is on Game Mode (Nvidia
over HDMI 2.1)
Classification: Plasma
Product: kwin
Version: 6.0.2
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: zaphirom...@gmail.com
Target Milestone: ---
Created attachment 167278
--> https://bugs.kde.org/attachment.cgi?id=167278&action=edit
Recording of the steps
SUMMARY
I'm unable to enable HDR on Nvidia. Checking the box and saving doesn't do
anything.
Using an HDMI 2.1 cable on a Samsung QN90 TV which supports up to hdr10+, the
setting works when tv's game mode is disabled, but it should also be supported
when it's not.
Relevant output from journalctl --user-unit plasma-kwin_wayland --boot 0
mar 15 09:50:56 desktop kwin_wayland[2992]: kwin_scene_opengl: 0x502:
GL_INVALID_OPERATION error generated. <image> and <target> are incompatible
mar 15 09:50:56 desktop kwin_wayland[2992]: kwin_scene_opengl: Invalid
framebuffer status: "GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT"
mar 15 09:50:56 desktop kwin_wayland[2992]: kwin_wayland_drm: Checking test
buffer failed!
STEPS TO REPRODUCE
1. Open Settings
2. Go to Display & Monitor
3. Enable HDR and save
OBSERVED RESULT
No changes happen when saving. The checkbox status isn't kept when returning to
the Display settings
EXPECTED RESULT
HDR is enabled and the setting is kept
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Nobara Linux 39 (Fedora 39 based)
Kernel: 6.7.6-201.fsync.fc39.x86_64 (64-bit)
Nvidia Driver Version: 550.54.14
HDMI Version: 2.1
KDE Plasma Version: 6.0.2
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
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