https://bugs.kde.org/show_bug.cgi?id=498616
Bug ID: 498616
Summary: Built-In Color Profile turns screen black in Wayland
session
Classification: Plasma
Product: KScreen
Version: 6.2.5
Platform: Neon
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: danie.deja...@gmail.com
Target Milestone: ---
SUMMARY
I have an older Macbook Pro 2012 with a 1280x800 Screen. I change the Color
Profile to "Built-in" which turns the screen black until the timeout occurs and
the setting reverts. If you do not wait to revert and force a restart, then
from there onward the Wayland session will have a black screen as soon as you
login. The X11 screen is not affected but also do not seem to support the Color
Profile as it is not an option under KScreen in a X11 session.
STEPS TO REPRODUCE
1. Go to "Display Configuration" while using the Wayland session.
2. Select "Color Profile" and change to "Built-in"
3. Screen goes black and eventually reverts. If not then the screen will
remain black after restarts until you delete "~/.config/kwinoutputconfig.json"
from the still working X11 session.
OBSERVED RESULT
This issue only affects my Wayland session.
EXPECTED RESULT
1. The screen should not black out.
2. I thought there is no timeout revert happening so I forced a reboot which
permanently set the screen's new value. I'd expect the new value to only set
once I confirmed it as I could see to click a confirm button.
3. The timeout could be a little shorter?
SOFTWARE/OS VERSIONS
Operating System: KDE neon 6.2
KDE Plasma Version: 6.2.5
KDE Frameworks Version: 6.10.0
Qt Version: 6.8.1
Kernel Version: 6.8.0-51-generic (64-bit)
Graphics Platform: Wayland
Processors: 4 × Intel® Core™ i5-3210M CPU @ 2.50GHz
Memory: 9.6 GiB of RAM
Graphics Processor: Mesa Intel® HD Graphics 4000
ADDITIONAL INFORMATION
Section "Monitor"
Identifier ""
ModelName ""
VendorName "APP"
# Monitor Manufactured week 28 of 2009
# EDID version 1.3
# Digital Display
DisplaySize 290 180
Gamma 2.20
Option "DPMS" "false"
Modeline "Mode 0" -hsync -vsync
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