https://bugs.kde.org/show_bug.cgi?id=453642
Bug ID: 453642
Summary: Multiple monitors reset configuration and mirror
screens after sleep
Product: kwin
Version: 5.24.5
Platform: Archlinux Packages
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: isaaccurt...@gmail.com
Target Milestone: ---
Created attachment 148721
--> https://bugs.kde.org/attachment.cgi?id=148721&action=edit
qdbus org.kde.KWin /KWin supportInformation
SUMMARY
When having multiple monitors connected under a wayland session, after the
screens time out, the monitor configuration resets. Both monitors will be
mirrored instead of extended, and the framerate will be set to 60Hz instead of
144Hz.
STEPS TO REPRODUCE
1. Setup two 1440p monitors at 144Hz, connected via displayport. Have one
directly to the right of the other.
2. Enable Screen Energy Savings under Power Management and allow screens to go
blank.
3. Wake up computer by touching the keyboard or mouse.
4. Observe that monitors are now mirrored instead of extended and that the
frame rate is now set to 60Hz.
OBSERVED RESULT
Monitors are now mirrors of each other with reduced framerate of 60Hz.
EXPECTED RESULT
After waking up, the monitors should retain the configuration setup previously.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.24.5
KDE Frameworks Version: 5.93.0
Qt Version: 5.15.3
Kernel Version: 5.17.5-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 1700X Eight-Core Processor
Memory: 15.6 GiB of RAM
Graphics Processor: AMD Radeon RX Vega
ADDITIONAL INFORMATION
KDE support information attached.
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