https://bugs.kde.org/show_bug.cgi?id=500488
Bug ID: 500488
Summary: VRR Monitor subtle brightness flicker with multiple
monitors after triggering automatic VRR once
Classification: Plasma
Product: kwin
Version: 6.3.1
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: platform-drm
Assignee: kwin-bugs-n...@kde.org
Reporter: art...@pm.me
Target Milestone: ---
SUMMARY
My VRR/FreeSync 144hz monitor starts very subtly flickering after a game has
been in fullscreen once, even after the game is closed.
This only happens with my secondary 60hz monitor connected, it stops when the
monitor is disabled or unplugged.
Disabling VRR in system settings doesn't stop it, I have to completely disable
VRR in the monitor's settings.
STEPS TO REPRODUCE
1. Set VRR to Automatic in system settings
2. Launch any game and set it to fullscreen
3. Observe
SOFTWARE/OS VERSIONS
$ kinfo
Operating System: Arch Linux
KDE Plasma Version: 6.3.1
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.13.2-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 8 × Intel® Core™ i9-9900K CPU @ 3.60GHz
Memory: 31.3 GiB of RAM
Graphics Processor: AMD Radeon RX 7800 XT
ADDITIONAL INFORMATION
Main monitor is a Samsung Odyssey G5 27″ 144hz connected with DisplayPort
Secondary monitor is an Acer "V246HL Widescreen LCD Monitor" 60hz connected
with HDMI
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