Bug 435311 - Laptop display won't automatically turn on after opening the lid
Summary: Laptop display won't automatically turn on after opening the lid
Status: RESOLVED DUPLICATE of bug 428424
Alias: None
Product: Powerdevil
Classification: Plasma
Component: general (show other bugs)
Version: 5.21.3
Platform: Ubuntu Linux
: NOR normal
Target Milestone: ---
Assignee: Plasma Bugs List
URL:
Keywords: wayland
Depends on:
Blocks: 428525
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Reported: 2021-04-03 11:36 UTC by Fushan Wen
Modified: 2021-04-05 17:32 UTC (History)
1 user (show)

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Description Fushan Wen 2021-04-03 11:36:17 UTC 
SUMMARY
Laptop display won't automatically turn on after opening the lid.

STEPS TO REPRODUCE
1. Close the laptop lid.
2. Wait until screen timeout is reached. (Settings-Power Management-Energy Saving-On AC Power-Screen Energy Saving-Switch off after)
3. Open the laptop lid.

OBSERVED RESULT
Laptop display won't automatically turn on after opening the lid, instead mouse or keyboard interactions are needed to turn on the display.

EXPECTED RESULT
When the laptop lid is closed, after screen timeout is reached (Settings-Power Management-Energy Saving-On AC Power-Screen Energy Saving-Switch off after), open the laptop lid, laptop display should automatically turn on.

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Ubuntu 21.04
(available in About System)
KDE Plasma Version: 5.21.3
KDE Frameworks Version: 5.80.0
Qt Version: 5.15.2

ADDITIONAL INFORMATION
It seems the bug is related to Wayland, for the bug doesn't appear in X session.
Comment 1 Nate Graham 2021-04-05 17:32:02 UTC 

*** This bug has been marked as a duplicate of bug 428424 ***