https://bugs.kde.org/show_bug.cgi?id=466885
Bug ID: 466885
Summary: Extend screen keeps secondary screen powered on and
enabled even when lid closed
Classification: Plasma
Product: kwin
Version: 5.27.2
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: multi-screen
Assignee: kwin-bugs-n...@kde.org
Reporter: andrea.i...@gmail.com
Target Milestone: ---
Hi,
STEPS TO REPRODUCE
1. here's my dual monitor setup:
laptop on the side of my desk, 24" in front of me. When I dock my laptop I very
rarely rely on its screen because I don't multi-task that much.
2. Still, I have chosen the "Extend to left" option in the Display
configuration widget for the rare occasions where I need some content here and
some content there.
3. the bug arises when I close the laptop lid.
OBSERVED RESULT
Windows that were on the laptop screen stay there, and the even the backlight
won't turn off (I can barely see it through the tiny opening between the palm
rest and the lid itself. The screen is behaving 100% as if the lid was still
wide open.
EXPECTED RESULT
Plasma should switch the laptop screen off. This would/should let it revert to
a single-display configuration (external only), which is what the user expects.
No orphan windows on a screen you cannot see the content of, plus no
unnecessary battery drain due to keeping the light on.
I dunno if this is a Plasma or a kernel issue, but I'd happily provide
additional info that may be needed for investigation.
Thanks a bunch in advance! :)
P.S. may I add that my setting for "When laptop lid is closed" is set to "Turn
off screen" and the checkbox for "Even when an external monitor is connected"
is UNchecked. I thought it could come from that, so I tried enabling it, but
still the problem remains.
Plus TBH that checkbox IMO should NOT be there when the user selects "Turn off
screen" as a lid close action, I think it's just confusing. Of course if you
want your internal screen to turn off when closing the lid, you want it to turn
off neither when there's no other screen connected (e.g. for power saving
reasons while running some long-running task that doesn't need your attention,
like an OS update), nor when there is (because what's the point of keeping it
on when you can't interact with it?)
SOFTWARE/OS VERSIONS
Operating System: openSUSE Tumbleweed 20230303
KDE Plasma Version: 5.27.2
KDE Frameworks Version: 5.103.0
Qt Version: 5.15.8
Kernel Version: 6.2.1-1-default (64-bit)
Graphics Platform: Wayland
Processors: 8 × 11th Gen Intel® Core™ i7-1165G7 @ 2.80GHz
Memory: 15.4 GiB of RAM
Graphics Processor: Mesa Intel® Xe Graphics
Manufacturer: Dell Inc.
Product Name: XPS 13 9305
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