https://bugs.kde.org/show_bug.cgi?id=522301
Bug ID: 522301
Summary: [Regression; Bisected] - Applying ICC profile results
in a yellowish tint
Classification: Plasma
Product: kwin
Version First 6.6.90
Reported In:
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Target Milestone: ---
Created attachment 193797
--> https://bugs.kde.org/attachment.cgi?id=193797&action=edit
The ICC profile for my laptop display
DESCRIPTION
After I updated from 6.6.5 to 6.7.1, there was a noticable yellowish tint when
I used an ICC profile for my laptop display. Using manual downgrade I found out
that the regression started happening on 6.6.90 version.
Git bisect lead me to this:
```
git bisect bad 84a4451685055cfe00e682a9b9436c54c24f01fc
# first bad commit: [84a4451685055cfe00e682a9b9436c54c24f01fc]
opengl,backends/drm: apply MHC2 ICC profiles more correctly
```
STEPS TO REPRODUCE
1. Apply the ICC profile provided
2. Notice the yellowish tint on 6.6.90 or later
OBSERVED RESULT
Incorrect colors, yellowish tint
EXPECTED RESULT
Correct colors, without the yellow tint
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 6.7.1
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.1
Kernel Version: 7.0.10-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 6800HS with Radeon Graphics
Memory: 16 GiB of RAM (14.9 GiB usable)
Graphics Processor: AMD Radeon 680M
ADDITIONAL INFORMATION
Since Bugzilla doesn't seem to let me upload multiple attachments in one go,
full git bisect and image comparison will be appended in replies.
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