https://bugs.kde.org/show_bug.cgi?id=480648
Bug ID: 480648
Summary: Display Stuck in HDR After Disabling HDR
Classification: Plasma
Product: kwin
Version: 5.93.0
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: theriverle...@gmail.com
Target Milestone: ---
Created attachment 165416
--> https://bugs.kde.org/attachment.cgi?id=165416&action=edit
Photo of screen showing HDR disabled in display settings but screen still in
HDR mode.
SUMMARY
***
NOTE: If you are reporting a crash, please try to attach a backtrace with debug
symbols.
See
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***
STEPS TO REPRODUCE
1. Enable HDR through "display settings.
2. Disable HDR through "display settings."
3. File bug report.
OBSERVED RESULT
Graphical output returns to SDR but the display is still stuck in HDR mode,
with severely degraded image quality.
EXPECTED RESULT
Display returns to SDR mode.
SOFTWARE/OS VERSIONS
Windows:
macOS:
Linux/KDE Plasma: CachyOS with latest updates and kde-unstable repo
(available in About System)
KDE Plasma Version: 5.93
KDE Frameworks Version: 5.249
Qt Version: 6.7.0
ADDITIONAL INFORMATION
AMD 7900XT GPU with LG C2 OLED display and DP -> HDMI adapter.
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