https://bugs.kde.org/show_bug.cgi?id=437533
Bug ID: 437533
Summary: 'Display configuration' KCM reports the wrong physical
resolution in a Wayland session if display scaling is
used
Product: systemsettings
Version: 5.21.90
Platform: Archlinux Packages
OS: Other
Status: REPORTED
Severity: normal
Priority: NOR
Component: kcm_kscreen
Assignee: kscreen-bugs-n...@kde.org
Reporter: kishor...@gmail.com
CC: plasma-b...@kde.org
Target Milestone: ---
Created attachment 138700
--> https://bugs.kde.org/attachment.cgi?id=138700&action=edit
Screenshot showing the issue
SUMMARY
Using Display scaling in the Wayland session also changes the physical
resolution of the screen that is reported in the area that shows the relative
positions of monitors (see attached screenshot). This behaviour is different
from that in the X11 session.
STEPS TO REPRODUCE
1. Login to a Wayland session
2. Go to System Settings > display and monitor > display configuration
3. Move the display scaling slider
OBSERVED RESULTS
The screen resolution displayed in the top view (that shows the relative
positions of displays) changes (see attached screenshot).
EXPECTED RESULTS
Behaviour should be similar to X11, where the actual physical resolution is
displayed in the aforementioned area even while using display scaling.
SOFTWARE/OS VERSIONS
Operating System: Arch Linux
KDE Plasma Version: 5.21.90
KDE Frameworks Version: 5.82.0
Qt Version: 5.15.2
Kernel Version: 5.10.38-1-lts (64-bit)
Graphics Platform: X11
Processors: 8 × AMD Ryzen 5 3500U with Radeon Vega Mobile Gfx
Memory: 21.5 GiB of RAM
Graphics Processor: AMD Radeon™ Vega 8 Graphics
ADDITIONAL INFORMATION
Also reproducible in KDE Neon.
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