[Nouveau] DCB 4.1 spec update

[Ben Skeggs]

On Wed, Dec 10, 2014 at 4:26 AM, Andy Ritger <aritger at nvidia.com> wrote:
> Hi,
Hey Andy,

>
> The VBIOS on GM20x GPUs uses a slightly updated version of the DCB.
> I've posted an updated DCB spec here:
>
> ftp://download.nvidia.com/open-gpu-doc/DCB/2/DCB-4.x-Specification.html
>
> You can diff it against the previous version:
>
> ftp://download.nvidia.com/open-gpu-doc/DCB/1/DCB-4.0-Specification.html
>
> to see what changed (sorry for having to diff html files).  The biggest
> differences are Serial Output Resource (SOR) assignment, and the updated
> Communications Control Block layout.
Thanks for the heads-up on the update.  The SOR assignment changes
explain some things I noticed when bringing up the GM204 you guys sent
me :)

Ben.

>
> I hope that is helpful,
> - Andy
>
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