Can you tell if the "blanking" is either:
* The output entering sleep mode; or
* A black frame being accidentally flipped.
I guess checking if the backlight is still on would answer that.
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Tags added: wayland
** Tags added: hybrid
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https://bugs.launchpad.net/bugs/1842009
Title:
[Wayland] Screen blanks for a second whenever discrete GPU is powered
up
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