https://bugs.kde.org/show_bug.cgi?id=507637
Bug ID: 507637
Summary: Direct scanout doesn't work if ICC profile is set
Classification: Plasma
Product: kwin
Version First 6.4.3
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
When playing a full screen game direct scanout is not kicking in if the ICC
profile is set for the display
STEPS TO REPRODUCE
1. Set an ICC profile
2. Enable the "Compositing" effect
3. Launch a full screen game
OBSERVED RESULT
Compositing still show up
EXPECTED RESULT
Compositing word is hidden meaning kwin is not compositing anymore
SOFTWARE/OS VERSIONS
Operating System: Nobara Linux 42
KDE Plasma Version: 6.4.2
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
Kernel Version: 6.15.7-200.nobara.fc42.x86_64 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 5700X 8-Core Processor
Memory: 32 GiB of RAM (31.3 GiB usable)
Graphics Processor: AMD Radeon RX 6750 XT
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7A37
System Version: 1.0
ADDITIONAL INFORMATION
This also happen on my archlinux box using cachyos kernel
Setting ICC profile no None make direct scanout work
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