https://bugs.kde.org/show_bug.cgi?id=498677
Bug ID: 498677
Summary: VRR always enabled in Wayland
Classification: Plasma
Product: kwin
Version: 6.2.5
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: doug...@gmail.com
Target Milestone: ---
SUMMARY
I've been trying to find out the reason why GPU usage are low in Wayland
compared to X11, not matter what settings and environment variables you set.
Among other issues related to VRR/Gsync.
https://discuss.kde.org/t/low-gpu-usage-in-wayland/28297
I recently found a few things that could related to all this in some way and
could be a bug.
Confirmation was done through the command reported by another person, and I got
the same results here with all settings from the UI and through environments
disabling vsync/vrr/triple buffer and everything else that is possible.
https://www.reddit.com/r/linux_gaming/comments/18lxzwm/comment/ke3mpwy/
STEPS TO REPRODUCE
1. Install: https://aur.archlinux.org/packages/drm_info
2. Type: drm_info | grep VRR_ENABLED
OBSERVED RESULT
│ │ ├───"VRR_ENABLED": range [0, 1] = 0
│ │ ├───"VRR_ENABLED": range [0, 1] = 0
│ │ ├───"VRR_ENABLED": range [0, 1] = 0
│ ├───"VRR_ENABLED": range [0, 1] = 0
EXPECTED RESULT
To not be enabled, all everything else are disabled.
SOFTWARE/OS VERSIONS
Operating System: CachyOS Linux (Arch)
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.1
Kernel Version: 6.12.9-3-cachyos (64-bit)
ADDITIONAL INFORMATION
Inside the the first url, it should contain other relevant urls for similar
topics. Like the similar low GPU usage when having AsyncFlipSecondaries enabled
in X11, where if all are disabled in X11, the usage are close to full or full.
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