Public bug reported:

Hardware: Razer Blade 15 with 3 external rotated (portrait) monitors.
Driver: nvidia-455

This problem occurs in Ubuntu 20.04 LTS. Ubuntu 20.10 works ok.

If I boot the laptop with the lid closed, "Screen Display" settings
shows the laptop display is active, and it's possible to drag a window
off the screen to where the laptop display is supposed to be (but lid is
closed, it's off).

If I then suspend and resume, the screen sizing gets messed up - hitting
F11 to fullscreen a window on the 2nd monitor results in it expanding to
fill 2 monitors instead of 1. However, if I open the laptop lid, and
suspend with the lid open, then F11 fullscreen correctly fills 1 monitor
as it should. I suspect this sizing issue could be caused by the laptop
screen being incorrectly included in the screen size calculations.

Regarding Ubuntu 20.10 working, it seems 20.10 has the same Nvidia-455
driver, so I tested the 5.8.18 linux kernel with 20.04 to try and
determine if it was kernel issue, but the problem still occurred.

Possibly related: https://bugs.launchpad.net/ubuntu/+source/xorg-
server/+bug/1897530

** Affects: xorg-server (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1908396

Title:
  laptop display is enabled even though lid is closed

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