https://bugs.kde.org/show_bug.cgi?id=506649
Bug ID: 506649
Summary: Monitor connected with DP goes to sleep and
immediately wakes up on its own
Classification: Plasma
Product: KScreen
Version First master
Reported In:
Platform: Fedora RPMs
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: common
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: ---
SUMMARY
My DP monitor goes to sleep at the same time as my HDMI monitor, but while my
HDMI monitor stays asleep, my DP monitor goes black for one second, and then
wakes up. This is not a monitor issue, as the same monitor, goes to sleep
successfully with an HDMI. I think I have tested before with a different DP
without any changes but I dont have one available now to retest.
I have seen that this is related to a single pin on the DP and that covering it
with tape fixes it but that doesnt sound like a proper way to solve this.
STEPS TO REPRODUCE
1. Put your KDE settings to put the monitors to sleep as fast as possible
2. Wait until that time has passed, without using keyboard, mouse etc
3. The monitor are going to sleep. Wait without interacting with the PC once
again
OBSERVED RESULT
Monitor goes to sleep, and wakes up after 1 second, without any user
interaction
EXPECTED RESULT
The monitor goes to sleep and stays asleep until a wake up action is done
(Mouse movement or keyboard press)
SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Fedora Linux 42
KDE Plasma Version: 6.4.1
KDE Frameworks Version: 6.15.0
Qt Version: 6.9.1
ADDITIONAL INFORMATION
Thinkpad T490 with Wifi 5 card, integrated.
Kernel: 6.14.9-300.fc42.x86_64
Wayland
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