https://bugs.kde.org/show_bug.cgi?id=497737
Bug ID: 497737
Summary: Adaptive Sync doesn't work properly when you open 2 or
more 3d applications
Classification: Plasma
Product: kwin
Version: 6.2.4
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: kwin-bugs-n...@kde.org
Reporter: linx.system....@gmail.com
Target Milestone: ---
SUMMARY
Adaptive Sync is working fine when only one 3d application is active. When you
open more apps that utilize 3d graphics, the fps start jumping like crazy
STEPS TO REPRODUCE
1. Set Adaptive Sync to Automatic
2. Open some 3d game
3. Open VRRTest or any other 3d game
4. Make sure the fps is different in both games. For example, you can cap the
game to 60 fps and set 100 fps in VRRTest
5. Loot at your display OSD menu, it will dynamically show adaptive refresh
rate
OBSERVED RESULT
FPS is jumping like crazy. It looks like VRR is active for both applications at
the same time. If you try to minimize one of app, this will not help
EXPECTED RESULT
VRR should be active only on focused application. For some reason if you open
just 2 instances of VRRTest, it will work as expected. But if you open game +
VRRTest/any other game, the issue will happen
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.2.4
KDE Frameworks Version: 6.9.0
Qt Version: 6.8.1
Kernel Version: 6.12.4
Graphics Platform: Wayland
Graphics Processor: AMD Radeon RX 6900 XT
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