https://bugs.kde.org/show_bug.cgi?id=486493
Bug ID: 486493
Summary: Display Brightness control only works on secondary
monitor
Classification: Plasma
Product: plasma-redshift-control
Version: unspecified
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: General
Assignee: plasma-b...@kde.org
Reporter: ben.schroe...@protonmail.com
Target Milestone: ---
Created attachment 169127
--> https://bugs.kde.org/attachment.cgi?id=169127&action=edit
Video of the bug
SUMMARY
Screen Brightness can only be controlled on the secondary monitor. The
brightness of the primary monitor doesn't change.
STEPS TO REPRODUCE
1. Connect two monitors to your system.
2. Open the "Brightness and Color" Widget
3. Adjust the Display Brightness
OBSERVED RESULT
Brightness only adjusts on the secondary monitor
EXPECTED RESULT
Brightness adjusts on both monitors
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.0.4
KDE Frameworks Version: 6.1.0
Qt Version: 6.7.0
Kernel Version: 6.8.8-300.fc40.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5800X3D 8-Core Processor
Memory: 31,3 GiB of RAM
Graphics Processor: AMD Radeon RX 6800
Product Name: B550 Extreme4
ADDITIONAL INFORMATION
Monitors: 2x AOC AGON AG241QG4
Connection: Display Port 1.2
This bug seems to be related to #470107 and #481927, i have decided to open a
new bug report as the behavior is different to the observed one in these bug
reports since only the secondary monitor reacts to the brightness adjustment.
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