[kde] [Bug 499934] New: Plasma 6.3 broke HDR brightness

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=499934

            Bug ID: 499934
           Summary: Plasma 6.3 broke HDR brightness
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Arch Linux
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: mincan2 at protonmail.com
  Target Milestone: ---

SUMMARY
The SDR brightness setting is also changing the brightness of HDR content
instead of HDR content displaying at the highest brightness/default monitor
brightness. To get the full brightness for HDR, you have to turn the SDR
brightness all the way up to 500 nits otherwise HDR is dim. This makes SDR
content too bright.

STEPS TO REPRODUCE
1. Update to 6.3
2. Enable HDR
3. Open HDR content/game

OBSERVED RESULT
HDR will be at SDR setting for brightness, rather than peak brightness.

EXPECTED RESULT
HDR should be following the monitor's max brightness/default brightness for HDR
mode.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
KDE Plasma Version: 6.3
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2

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