Public bug reported:

Following https://wiki.ubuntu.com/X/Quirks#Force_Pipe_A_Quirk I can
confirm that the following hardware is affected by a blank screen after
lid closing and reopening.

Laptop: Lenovo 120s 11IAP

$ lspci -vvnn | grep -A1 "VGA compat"
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:5a85] 
(rev 0b) (prog-if 00 [VGA controller])
        Subsystem: Lenovo Device [17aa:39fd]

I can confirm that adding "ForceEnablePipeA" solves the problem.

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "dmi.txt"
   https://bugs.launchpad.net/bugs/1844797/+attachment/5289965/+files/dmi.txt

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which is subscribed to xserver-xorg-video-intel in Ubuntu.
https://bugs.launchpad.net/bugs/1844797

Title:
  Need a Pipe-A quirk for 8086:5a85

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