https://bugs.kde.org/show_bug.cgi?id=471523
Bug ID: 471523
Summary: Chromium-based apps don't refresh at maximum refresh
rate on a mixed refresh rate multi-monitor setup
depending on the arrangement
Classification: I don't know
Product: kde
Version: unspecified
Platform: Archlinux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: general
Assignee: unassigned-b...@kde.org
Reporter: thefa...@gmail.com
Target Milestone: ---
SUMMARY
I have a two monitor setup, one at 144hz and another at 60hz. If the 60hz
monitor is placed on the right of the 144hz monitor, everything works as
normal, but if the 60hz monitor is placed on the left of the 144hz monitor,
Chromium-based apps don't refresh at 144hz when placed on the 144hz monitor.
However other apps works as normal. This is on Wayland.
STEPS TO REPRODUCE
1. Have two monitor with a mixed refresh rate
2. Change the placement of the lower refresh rate monitor
3. Try using Chromium-based apps
OBSERVED RESULT
When the lower-refresh rate monitor is placed on the left, Chromium-based apps
don't refresh at maximum refresh rate possible
EXPECTED RESULT
Chromium-based apps should refresh at maximum refresh rate no matter the
monitor arrangements
SOFTWARE/OS VERSIONS
Operating System: EndeavourOS
KDE Plasma Version: 5.27.6
KDE Frameworks Version: 5.107.0
Qt Version: 5.15.10
Kernel Version: 6.4.0-zen1-1-zen (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5600X 6-Core Processor
Memory: 31,3 GiB of RAM
Graphics Processor: AMD Radeon RX 6600 XT
Manufacturer: Micro-Star International Co., Ltd.
Product Name: MS-7A38
System Version: 8.0
ADDITIONAL INFORMATION
Below are link to a screen capture video demonstrating the effect on Steam
desktop app. The video is recorded at 120fps but plays at 60fps (half-speed).
https://streamable.com/ubk2t8
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