Hi while searching on my Linux PC problem with waking up display after adding the Nvidia video card to my rig I come across those two posts. Those might be interesting for the users in subject.
Read this first:
https://iam.tj/prototype/enhancements/Windows-acpi_osi.html
and if you want to proceed you might use those easy steps (worked for me on my Ubuntu 20.0.4 PC):
Cheers