https://bugs.kde.org/show_bug.cgi?id=457188
Bug ID: 457188
Summary: Refresh rate not applied after reboot when using
Wayland
Product: kwin
Version: 5.25.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: major
Priority: NOR
Component: wayland-generic
Assignee: kwin-bugs-n...@kde.org
Reporter: kde-b...@nanoflux.de
Target Milestone: ---
SUMMARY
***
Refresh rate not applied after reboot when using Wayland
***
STEPS TO REPRODUCE
1. Make sure the PC is off
2. Boot the PC
3. Select "Wayland Session" in SDDM
4. Log in
OBSERVED RESULT
The primary monitor shows a black screen with the following warning:
"The current input timing is not supported by the monitor display. Please
change your input timing to 1920x1080, 240Hz or any other monitor listed timing
as per the monitor specifications"
The second monitor works as expected and the refresh rate for both displays is
displayed correctly in the settings. Going to the settings and changing the
refresh rate of the primary monitor to anything else, or changing it and
immediately reverting the change, fixes the issue for the session.
EXPECTED RESULT
No error message and a functional display right after logging in.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: NixOS 22.11 (aka NixOS unstable)
(available in About System)
KDE Plasma Version: 5.25.3
KDE Frameworks Version: 5.96.0
Qt Version: 5.15.5
Kernel Version: 5.15.56 (64-bit)
HARDWARE
Primary Monitor: DELL S2522HG, 1920x1080, 240Hz
Secondary Monitor: QNIX QX2710LED, 2560x1440, 60Hz
ADDITIONAL INFORMATION
- SDDM is running using X11, as that seems to be the only way for NixOS at the
moment
- The issue does not exist for the X11 session
- The issue does not appear, when logging out and back in of the Wayland
session
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