The NVIDIA 470.42.01 Linux (beta) driver adds a new library that enables driver-side support for running Windows applications which make use of DLSS. This is a quick-and-dirty comparison. Nice performance bump at 1080. The neat factor was being able to play @ 2106p +/- 70FPS with a 2060 FE.
The video was upscaled from 1080p to force VP9 encoding on youTube. The original can be downloaded from archive.org.