[kde] [Bug 471523] New: Chromium-based apps don't refresh at maximum refresh rate on a mixed refresh rate multi-monitor setup depending on the arrangement

[bugzilla_noreply at kde.org]

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-bugs at kde.org
          Reporter: thefahre at 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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