https://bugs.kde.org/show_bug.cgi?id=522244
Bug ID: 522244
Summary: Regression in adaptive sync
Classification: Plasma
Product: kwin
Version First 6.7.0
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: wayland-generic
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
DESCRIPTION
There is a regression in adaptive sync after Plasma 6.7. Screen flickers in
certain situations such as gray-ish backgrounds. The easiest way for me to
replicate it consistently is to open Telegram and click on a picture, creating
a gray transparency effect around said picture. Moving the mouse around causes
the screen to flicker. It can also be reproduced in Pragmata in certain
settings.
STEPS TO REPRODUCE
1. Turn adaptive sync to automatic or always
2. Open Telegram and select a photo
3. Screen flickers when moving mouse
OBSERVED RESULT
Contrasting colors such as deep grays with bright colors seem to cause
flickering with movement. Issue applies no matter what other settings you use
with regards to color depth/accuracy or HDR on or off.
EXPECTED RESULT
Prior to 6.7 flickering was imperceptible.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 44
KDE Plasma Version: 6.7.0
KDE Frameworks Version: 6.27.0
Qt Version: 6.11.1
ADDITIONAL INFORMATION
Monitor: LG 27GR83Q-B
CPU: 3950X
GPU: 9070 XT
Kernel: Linux 7.0.12-cachyos1.fc44.x86_64
Mesa: 26.1.3
I don't believe I can demonstrate it in screenshots or screen recordings.
Checked for duplicates specific to 6.7 and didn't find anything.
This is my first bug report, if I need to provide more info please let me know.
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