https://bugs.kde.org/show_bug.cgi?id=499910
Bug ID: 499910
Summary: kscreen-doctor positioning is incorrect using display
scaling above 100% on primary display
Classification: Plasma
Product: KScreen
Version: git-stable-Plasma/6.3
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: minor
Priority: NOR
Component: kscreen-doctor
Assignee: kscreen-bugs-n...@kde.org
Reporter: makoto.y...@gmail.com
Target Milestone: ---
Created attachment 178219
--> https://bugs.kde.org/attachment.cgi?id=178219&action=edit
Result of kscreen-doctor command with 125% scaling
SUMMARY
After KDE Plasma 6.3 update on Fedora 41 KDE Spin:
kscreen-doctor behavior changed while setting multi monitor position, setting a
display scaling (ex. 125%) on the primary screen, seems to alter the
positioning of the secondary one, no problem with 100% scaling though.
STEPS TO REPRODUCE
Using the following kscreen-doctor command:
Primary monitor on DP-1
Secondary monitor on DP-3
kscreen-doctor output.DP-1.priority.1 output.DP-1.position.0,0
output.DP-3.priority.2 output.DP-3.position.3440,180
OBSERVED RESULT
No problem at 100% scaling on DP-1 monitor, the two monitors are contiguous.
At any scaling above 100%: This produces a gap between the two monitors, see
attached screenshot.
EXPECTED RESULT
Should place the 2nd monitor on DP-3 right next to the 1st one on DP-1
No positioning discrepancy regardless of scaling used on the monitor.
SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 41
KDE Plasma Version: 6.3.0
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.2
Kernel Version: 6.12.11-200.fc41.x86_64 (64-bit)
Graphics Platform: Wayland
ADDITIONAL INFORMATION
Worked perfectly fine on KDE Plasma 6.2.x
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