Just some additional info not sure how relevant it is.. and this is
something that has been happening from the start i just forgot to
mention it.. /facepalm

The screen does start to wake up, it blinks like its going to show the
image on the screen and HDMI in the corner shows up but the screen is
black. The screen then turns off and turns on again same thing and does
this loop a third time before it turns off completely. If i try to wake
the machine again it will do the same 3 stage loop and turn off.
Unpluging the HDMI cable and plugging it back in resolves the issue
until the next lock.

Also tested the same with 60Hz and on Windows 10 with 100Hz just to make
sure its not an issue with the monitor or HDMI cable itself but i cant
replicate the issue on 60Hz (Ubuntu) or 100Hz (Windows 10).

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https://bugs.launchpad.net/bugs/1904470

Title:
  Monitor fails to wake after lock when dash-to-panel is loaded

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