https://bugs.kde.org/show_bug.cgi?id=514808
Bug ID: 514808
Summary: Kwin doesn't detect external screens on Optimus
Classification: Plasma
Product: kwin
Version First 6.5.5
Reported In:
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: multi-screen
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
Created attachment 188654
--> https://bugs.kde.org/attachment.cgi?id=188654&action=edit
optimus-manager.log
SYSTEM
- Operating System: Zenned
- KDE Plasma Version: 6.5.5
- KDE Frameworks Version: 6.22.0
- Qt Version: 6.10.1
- Kernel Version: 6.18.5-zen1-1-zen (64-bit)
- Graphics Platform: Wayland
- Processors: 12 × Intel® Core™ i7-10750H CPU @ 2.60GHz
- Memory: 16 GiB of RAM (15.5 GiB usable)
- Graphics Processor 1: Intel® UHD Graphics
- Graphics Processor 2: NVIDIA GeForce GTX 1650
DESCRIPTION
On Optimus graphics, without Optimus Manager, Kwin is unable detect any
external monitor.
On both the Plasma session, or using Kwin_wayland as back-end of SDDM.
On both nouveau and nvidia-open drivers.
Same behavior as: https://bugs.kde.org/show_bug.cgi?id=475168
But with modeset enabled. Checked with: `sudo cat
/sys/module/nvidia_drm/parameters/modeset`.
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