search for: nv_pgraph

Displaying 2 results from an estimated 2 matches for "nv_pgraph".

2014 Sep 26
3
NVIDIA Falcon Microprocessor Security
Hi, all. Below is a link to a brief document describing some changes in NVIDIA Falcon processors ("fuc", in Nouveau-speak, IIUC) that happened in Maxwell: certain aspects of the chip will only be available to Falcon firmware images signed by NVIDIA. So far, the set of restricted things is pretty small, but I expect this list will slowly grow over future hardware generations.
2014 Sep 27
0
NVIDIA Falcon Microprocessor Security
...simplest thing that could be done to ease this and not enforce some kind of API, is to version the firmware images in some way, and we can support multiple paths if/when we need to. One immediate question I have is that given that FECS/GPCCS pretty much have zero permissions already outside of the NV_PGRAPH range, what restrictions are in place there that would prevent us from continuing to use our own ucode on these falcons? > > If NVIDIA just released firmware binaries along side each NVIDIA GPU driver > release, would it be reasonable for Nouveau to pick and choose which > firmware you...