https://bugs.kde.org/show_bug.cgi?id=515962
Bug ID: 515962
Summary: With HDR and <5% screen brightness, panels become
unreadable in dark mode
Classification: Plasma
Product: kwin
Version First 6.5.5
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: ---
SUMMARY
If HDR is enabled, as the screen is lowered panel and plasmoid backgrounds get
lighter and lighter, in the end the as light as the foreground. The brightness
is the same as the rest. When taking a screenshot, it doesn't show. I tried
adjusting min/max HDR brightness but didn't have an effect
STEPS TO REPRODUCE
1. Enable HDR
2. Lower screen brightness
Output: 1 eDP-1 efd88d26-5b49-422a-b003-6a751b915f08
enabled
connected
priority 2
Panel
replication source:0
Modes: 1:[email protected]*! 2:[email protected]
Geometry: 1920,13 1707x1067
Scale: 1.5
Rotation: 1
Overscan: 0
Vrr: Automatic
RgbRange: unknown
HDR: enabled
SDR brightness: 930 nits
SDR gamut wideness: 90%
Peak brightness: 1450 nits, overridden with: 1450 nits
Max average brightness: 508 nits
Min brightness: 0.0006 nits
Wide Color Gamut: enabled
ICC profile: none
Color profile source: EDID
Color power preference: prefer efficiency and performance
Brightness control: supported, set to 32% and dimming to 100%
Color resolution: unknown
Allow EDR: always
Sharpness control: unsupported
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 43
KDE Plasma Version: 6.5.5
KDE Frameworks Version: 6.22.0
Qt Version: 6.10.1
Kernel Version: 6.18.9-200.fc43.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 260 w/ Radeon 780M Graphics
Graphics Processor 1: NVIDIA GeForce RTX 5060 Laptop GPU
Graphics Processor 2: AMD Radeon 780M Graphics
Manufacturer: LENOVO
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