As the title states, I’ve run into an issue where when I mouse over a fullscreen application, such as a game, I get a brief but very noticeable flash. This only occurs when I have the “night light” enabled and only in a wayland session. I previously “fixed” this by downgrading kwin to a version before 6.3.1, but after a system update today, doing this prevents a login on either a wayland or x11 session.
Not sure if I should post this in the Bug Report section as of now, or what other logs/information I would need to provide. Regardless, because I am used to a rather extreme night light setting and would like to continue to use wayland, I would like to know where to being to troubleshoot this.
Operating System: Arch Linux
KDE Plasma Version: 6.3.2
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
Kernel Version: 6.13.4-arch1-1 (64-bit)
Graphics Platform: Wayland
Processors: 16 × AMD Ryzen 7 7800X3D 8-Core Processor
Memory: 62.3 GiB of RAM
Graphics Processor: AMD Radeon RX 7900 XT
Manufacturer: Gigabyte Technology Co., Ltd.
Product Name: X670 AORUS ELITE AX
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Oh wow, I have the same issue. + worse
Suspending Night light helped very much. Whenever I would click (attack button) in FarCry Primal, the screen would flicker hard-core for a tiny moment. This is much better now. But I still have audio-cutouts when I click or hover over certain UI-Elements in games OR hover over a full-screen Video briefly. Very weird.
Operating System: Arch Linux
KDE Plasma Version: 6.3.4
KDE Frameworks Version: 6.12.0
Qt Version: 6.8.3
Kernel Version: 6.12.21-1-lts (64-bit)
Graphics Platform: Wayland
Processors: 28 × Intel® Core™ i7-14700K
Memory: 62.5 GiB of RAM
Graphics Processor: AMD Radeon RX 7900 XTX
Manufacturer: ASUS
Probably unrelated as in my case screen flickering occured randomly, no matter what I was doing. However, I found out that when I turn brightness levels below 100% (95% on my machine) the flickering stopped for good. Perhaps it’s worth a try🤞
Experiencing same issue here. 9070xt, Arch 6.14.1, KDE 6.3.4. Might be AMD specific, as I didn’t have that particular issue when I used a nvidia card recently.
Wow I kinda forgot about making this post, I guess i’ll post how I “fixed” it so I can mark it as solved.
I was setting the refresh rate to 120 in the display configuration instead of the maximum of 180 allowed by my monitor, because I prefer higher graphic settings to higher fps. When I changed it to 180 and limited the fps to 120 on a game-by-game basis the flickering stopped. I also tried lowering it to 60 but the flickering still persisted. Since this change I have not noticed anymore flickering, even with several system updates since posting this initial thread. I’m still not sure if this is an actual solution but it worked for me. I figured its better to at least mark a solution that worked for me then leave the thread unanswered.
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