https://bugs.kde.org/show_bug.cgi?id=490744
Bug ID: 490744
Summary: When using the color-management feature on external
monitors, it seems that this causes the idle power
draw to increase substantially, making the entire
system run hotter overall. This does not happen when
using the built-in laptop screen only.
Classification: Plasma
Product: KScreen
Version: 6.1.2
Platform: openSUSE
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: kscreen-bugs-n...@kde.org
Reporter: timot...@tutanota.com
Target Milestone: ---
Created attachment 171947
--> https://bugs.kde.org/attachment.cgi?id=171947&action=edit
Display settings with with idle power draw. Left without ICC, right with ICC
profile
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SUMMARY
When using the color-management feature on external monitors, it seems that
this causes the idle power draw to increase substantially, making the entire
system run hotter overall. This does not happen when using the built-in laptop
screen only.
STEPS TO REPRODUCE
1. Connect external Monitor
2. Select ICC profile in Display settings
OBSERVED RESULT
Idle power draw triples
EXPECTED RESULT
Power draw stays the same
SOFTWARE/OS VERSIONS
Linux: 6.9.9-1
KDE Plasma Version: 6.1.2
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
ADDITIONAL INFORMATION
The Laptop is a Tuxedo InfinityBook Pro 14 gen 8 with Nvidia 3050 GPU. The bug
occurs when running in dedicated GPU mode and with integrated graphics.
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