“Pre-Turing customers will continue to run the closed source modules.”
A decade after Linus gave Nvidia the finger on camera, the kernel modules go out under GPL and MIT. Read the fine print. The heavy lifting moved into the GSP firmware blob, CUDA and the user-mode stack stay closed, and desktop GeForce support is alpha. Owners of older cards get nothing. It is open source in the sense that the part Nvidia wanted to hide is no longer in the part it opened.