[Nouveau] [RESEND PATCH nouveau 3/3] volt: add support for GK20A

[Terje Bergström]

On 01.12.2014 08:52, Alexandre Courbot wrote:
> On Mon, Dec 1, 2014 at 3:48 PM, Alexandre Courbot <gnurou at gmail.com> wrote:
>> On Mon, Dec 1, 2014 at 3:38 PM, Terje Bergström <tbergstrom at nvidia.com> wrote:
>>> On 29.11.2014 10:44, Alexandre Courbot wrote:
>>> The voltage<->frequency relationship is per chip, not per board. We read
>>> the chip id at runtime, and programmatically determine the DVFS steps
>>> based on that. CVB table contains the parameters for the algorithm.
>>>
>>> I think the table belongs in the driver. The table is not per board, and
>>> the values in CVB table do not describe hardware, but parameters to an
>>> algorithm.
>>
>> In that case I also think it would make more sense (and make things
>> easier) to have these tables in the driver. Roy, do you have any
>> objection?
> 
> Mmm, re-reading your reply I realize you only mention the CVB table.
> But since the CVB and frequencies must match anyway, I suppose it
> applies to the frequencies table as well, am I correct?

Yes, freq<->voltage relationships are per chip, so I meant all
parameters used for figuring out DVFS steps.

Terje

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