We got the major follow-up of Nvidia surprisingly open sourced the current gen GPU drivers for Linux kernels and while it is not directly of them, but Google and MORE SURPRISINGLY, it is related to Stadia.

Linux hardware centered blog Phoronix found an interesting commit on the Linux based Kernel for the servers running Stadia.

Add support for building NVIDIA UMD/KMD disk

Add support to the kokoro job script to generate

a disk that contains the UMD/KMD NVIDIA modules

and corresponding support files required for

instances that use a NVIDIA gpu.

The disk is generated from a preprocessed package

that contains NVIDIA kernel headers and UMD stored

in GCS.

To create an NVIDIA disk the script requires setting

the NVIDIA_DRIVER_VERSION env var. If the var is not

set it will generate a new kernel image with the AMD

modules.

The disk is not self contained and must be mounted

with the corresponding kernel disk.

In a simple recap of the description, practically, Google has begun adopting the very same open sourced drivers for Linux kernel to apply it to Stadia.

If you didn't know, Stadia was launched in 2019 with a AMD custom GPU with 10.7 teraflops with 56 compute units and HBM2 memory. 

But it is interesting to note that since the first day of Nvidia opening the Github repository for the Linux Drivers of their GPUs, was the effective days of the changes documented on the Stadia's Linux kernel, which rises the chances that Stadia already switched to a GeForce GPU or a custom Nvidia's High performance GPU.

Unfortunately, knowing Google's lack of good timing of announcement will probably mean that  not a word or details will be shared unless there is an actual agreement or deal with Nvidia, so it is safe to say that we should stay tuned!