https://bugs.kde.org/show_bug.cgi?id=482748
Bug ID: 482748
Summary: Display Settings Showing SDR Brightness when HDR Isn't
Available
Classification: Applications
Product: systemsettings
Version: 6.0.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_kscreen
Assignee: kscreen-bugs-n...@kde.org
Reporter: anthisa...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: ---
Created attachment 166615
--> https://bugs.kde.org/attachment.cgi?id=166615&action=edit
Screenshot of issue and system information
SUMMARY
***
After enabling HDR on a supported graphics driver then downgrading to a
graphics driver version without HDR support, the HDR checkbox disappears, but
the SDR Brightness and SDR Color Intensity sliders are still present.
Additionally, the Color Profile option is remains greyed out (was not greyed
out before HDR was enabled).
***
STEPS TO REPRODUCE
1. Install the NVIDIA 550 proprietary graphics driver
2. Update KDE to 6.0.1
3. In KDE System Settings --> Display & Monitor, enable HDR
4. Downgrade NVIDIA driver to 535
5. Open KDE System Settings and view results
OBSERVED RESULT
HDR checkbox disappears, SDR Brightness slider remains, SDR Color Intensity
slider remains, Color Profile is greyed out.
EXPECTED RESULT
HDR checkbox disappears, SDR Brightness slider disappears, SDR Color Intensity
slider disappears, Color Profile is accessible.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Arch Linux
(available in About System)
KDE Plasma Version: 6.0.1
KDE Frameworks Version: 6.0.0
Qt Version: 6.6.2
ADDITIONAL INFORMATION
Graphics Card: NVIDIA GeForce GTX 1080
Graphics Driver Versions: 550 --> 535 (bug involves version change)
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