https://bugs.kde.org/show_bug.cgi?id=474187

            Bug ID: 474187
           Summary: After locking the screen HDMI monitor stays black with
                    no wallpaper and no context menu, but windows can be
                    dragged to it
    Classification: Plasma
           Product: plasmashell
           Version: 5.27.7
          Platform: Manjaro
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: plasma-b...@kde.org
          Reporter: alexan...@ecog.io
                CC: k...@davidedmundson.co.uk
  Target Milestone: 1.0

SUMMARY
I currently have the following specs and the issue. Step to reproduce are the
same i.e.:

STEPS TO REPRODUCE
1. Boot with more than one external monitor one in USB C and one over HDMI
2. Lock the computer, let it go into sleep
3. Wake up and unlock

OBSERVED RESULT
Current setup is the following:
- eDP-1 (disabled)
- DP-1 (main, does not get disturbed)
- HDMI-A-1 (second, gets into black background with no context menu and shadows
other virtual desktop windows as background if I have windows drag onto it)

EXPECTED RESULT
The monitor over HDMI does not got black and retains its background along with
normal usage.

SOFTWARE/OS VERSIONS:
Operating System: Manjaro Linux 
KDE Plasma Version: 5.27.7
KDE Frameworks Version: 5.109.0
Qt Version: 5.15.10
Kernel Version: 6.4.12-1-MANJARO (64-bit)
Graphics Platform: Wayland
Processors: 12 × AMD Ryzen 5 5500U with Radeon Graphics
Memory: 38,0 GiB of RAM
Graphics Processor: AMD Radeon Graphics
Manufacturer: LENOVO
Product Name: 20YG006GGE
System Version: ThinkPad E15 Gen 3

ADDITIONAL INFORMATION
The screen goes black and disrupts windows that have been put into it. These
windows often go to the other screen that has not been affected. I often have
only one window left on the zombie screen but I cannot say for that this
happens all the time. It also disrupts bismuth in the way that windows get
untitled when moved to the main screen after the cold restart. When I proceed
to move windows back and then change virtual desktops I can see these windows
as background, although glitching.

Let me know if you needs logs or any other information. Also let me know if I
should open this as a new issue

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