Bug 501540 - Changing color accuracy to "Prefer accuracy" breaks Kwin on an RX 9070 XT
Summary: Changing color accuracy to "Prefer accuracy" breaks Kwin on an RX 9070 XT
Status: RESOLVED UPSTREAM
Alias: None
Product: kwin
Classification: Plasma
Component: colour-management (other bugs)
Version First Reported In: 6.3.3
Platform: Arch Linux Linux
: NOR normal
Target Milestone: ---
Assignee: KWin default assignee
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2025-03-15 14:52 UTC by Liarus1001
Modified: 2025-03-17 17:41 UTC (History)
2 users (show)

See Also:
Latest Commit:
Version Fixed In:
Sentry Crash Report:

Attachments
Video of the bug (3.34 MB, video/mp4)
2025-03-15 14:58 UTC, Liarus1001 		Details
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Description Liarus1001 2025-03-15 14:52:53 UTC 
SUMMARY
Changing color accuracy to "Prefer accuracy" on an RX 9070 XT creates artifacts on the screen rending it unusable, note that plugging a screen into the iGPU does not produce this, while it does to screens plugged to the GPU

STEPS TO REPRODUCE
1. Own an RX 9070 XT
2. Make sure your monitors are plugged into it
3. Change color accuracy to "Prefer accuracy"

OBSERVED RESULT

Screen display is broken.

EXPECTED RESULT

Display should function normally.

SOFTWARE/OS VERSIONS
EndeavourOS (Arch base)
Kernel 6.13.7-arch1-1
KDE Plasma Version: 6.3.3 (Wayland)
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Mesa 25.0.1-arch1.2

ADDITIONAL INFORMATION

CPU: R7 7800x3D
GPU AMD RX 9070 XT
Comment 1 Liarus1001 2025-03-15 14:58:40 UTC 
Created attachment 179430 [details]
Video of the bug

Video of the bug, left screen is plugged into the GPU, right screen is plugged into the iGPU
Comment 2 Zamundaaa 2025-03-17 17:41:37 UTC 
That's a driver bug, please report this at https://gitlab.freedesktop.org/drm/amd/-/issues (once it's accessible again, in a few days)