If it's an AMD cpu + gpu of course it can't run DLSS anyway. AMD doesn't have tensor cores for fast matrix math. Why wouldn't Sony use FSR2.x. FSR actually looks good at 4K unlike at 1080p where it's garbage.
An analyst confirms rumors of the upcoming launch of the Sony PlayStation 5 Pro later this year, while recent rumors suggest that the console will be able to display games in 4K at 120 frames per second, thanks to Nvidia DLSS-style upscaling technology.