** Description changed:

  Problem: Screen is black when resuming from sleep. Only a few grey
  squares are shown.
  
  Software: Latest Ubuntu 22.04 (updated 21st of february). Nvidia 495
- drivers.
+ drivers. Update: Tested again with 22.04 reinstalled as of 12th of
+ April. This gave me Nvidia 510.60 drivers. Same problem.
  
  Hardware: Ryzen 5900x, Nvidia 3080ti GPU.
  
  Configuration: Wayland at login screen.
  
  Analysis: Maybe Video RAM is purged during sleep and then it is not
  restored when resuming.

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https://bugs.launchpad.net/bugs/1961747

Title:
  [nvidia] Black screen (with grey squares) after resume from sleep

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