https://bugs.kde.org/show_bug.cgi?id=524511
Bug ID: 524511
Summary: RGB range option missing from Display Configuration
Classification: Plasma
Product: kwin
Version First 6.7.4
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
DESCRIPTION
On an Nvidia 4000 series GPU, the option to set RGB range is not available on
the Display Configuration screen and kscreen-doctor output.1.rgbrange.limited
has no effect.
STEPS TO REPRODUCE
1. execute kscreen-doctor output.1.rgbrange.limited or kscreen-doctor
output.1.rgbrange.full
OBSERVED RESULT
There are no visual changes and "kscreen-doctor -o" displays "RgbRange:
unknown"
EXPECTED RESULT
RGB range options for NVIDIA GPUs in both command line and GUI
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed
KDE Plasma Version: 6.7.4
KDE Frameworks Version: 6.28.0
Qt Version: 6.11.1
ADDITIONAL INFORMATION
Nvidia introduced drivers introduced support for this feature May 2025 with the
release of 575.57.08 driver:
"Added support for the DRM plane properties COLOR_ENCODING and COLOR_RANGE."
https://www.nvidia.com/en-us/drivers/details/245537/
I'm currently using driver 610.57.04
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