Nouveau GPU System Processor (GSP) firmware integration that allows making use of NVIDIA’s binary GSP firmware on RTX 20 “Turing” and newer GPUs for having improved support. In turn this GSP route also provides initial support for GeForce RTX 40 series support.
tl;dr some preparation for hopefully better Nvidia open source driver support in the future
I think you have to be okay with APUs to be satisfied with AMD on laptops. Which at least are decently powerful these days, as long as high res triple AAA gaming isn’t a requirement (the Steam Deck is just an APU after all).