From: "Terje Bergström" <tbergstrom-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
To: Alexandre Courbot <gnurou-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: "nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org"
<nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>,
Roy Spliet
<seven-FA6nBp6kBxZzu6KWmfFNGwC/G2K4zDHf@public.gmane.org>,
Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
Subject: Re: [RESEND PATCH nouveau 3/3] volt: add support for GK20A
Date: Mon, 1 Dec 2014 08:57:38 +0200 [thread overview]
Message-ID: <547C1162.6010001@nvidia.com> (raw)
In-Reply-To: <CAAVeFuKH4LxqgwwtQHL4mZSBKPDnoxtdonK2GBO5pg1hCoHMtg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 01.12.2014 08:52, Alexandre Courbot wrote:
> On Mon, Dec 1, 2014 at 3:48 PM, Alexandre Courbot <gnurou@gmail.com> wrote:
>> On Mon, Dec 1, 2014 at 3:38 PM, Terje Bergström <tbergstrom@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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next prev parent reply other threads:[~2014-12-01 6:57 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-28 11:12 [RESEND V2 PATCH 1/3] soc/tegra: fuse: export tegra_sku_info for module use Vince Hsu
2014-11-28 11:12 ` Vince Hsu
[not found] ` <1417173180-21726-1-git-send-email-vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-11-28 11:12 ` [RESEND PATCH nouveau 2/3] volt: allow non-bios voltage scaling Vince Hsu
2014-11-28 11:12 ` Vince Hsu
[not found] ` <1417173180-21726-2-git-send-email-vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-11-29 8:22 ` Alexandre Courbot
2014-11-29 8:22 ` Alexandre Courbot
[not found] ` <CAAVeFuJp5pU62-=Bf=+i8nRX09vgZ4De00_f9kQjbp13jJa0+w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-01 22:57 ` Martin Peres
2014-12-01 22:57 ` Martin Peres
2014-11-28 11:13 ` [RESEND PATCH nouveau 3/3] volt: add support for GK20A Vince Hsu
2014-11-28 11:13 ` Vince Hsu
[not found] ` <1417173180-21726-3-git-send-email-vinceh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-11-28 11:25 ` Roy Spliet
[not found] ` <54785BBA.50800-FA6nBp6kBxZzu6KWmfFNGwC/G2K4zDHf@public.gmane.org>
2014-11-28 11:57 ` Vince Hsu
[not found] ` <54786343.4000806-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-11-28 12:09 ` Roy Spliet
[not found] ` <547865EA.10702-FA6nBp6kBxZzu6KWmfFNGwC/G2K4zDHf@public.gmane.org>
2014-11-29 8:44 ` Alexandre Courbot
[not found] ` <CAAVeFuKY7=WfhAWPiPMkWU8JMg0a7dACqu=BNE+S5SVtdF870w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-01 6:38 ` Terje Bergström
[not found] ` <547C0CDD.5090506-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-12-01 6:48 ` Alexandre Courbot
[not found] ` <CAAVeFuLBAyBv4u+op-9A7ZqW0wRwYyxHdd9QG_cu6a=x_hv+Sg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-01 6:52 ` Alexandre Courbot
[not found] ` <CAAVeFuKH4LxqgwwtQHL4mZSBKPDnoxtdonK2GBO5pg1hCoHMtg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-12-01 6:57 ` Terje Bergström [this message]
2014-12-01 10:20 ` Roy Spliet
2014-12-01 23:00 ` Martin Peres
2014-12-01 23:00 ` Martin Peres
[not found] ` <547CF2F9.6040905-GANU6spQydw@public.gmane.org>
2014-12-01 23:18 ` [Nouveau] " Ben Skeggs
2014-12-01 23:18 ` Ben Skeggs
2014-11-29 7:30 ` [RESEND V2 PATCH 1/3] soc/tegra: fuse: export tegra_sku_info for module use Alexandre Courbot
2014-11-29 7:30 ` Alexandre Courbot
2014-12-01 10:01 ` Thierry Reding
2014-12-01 10:01 ` Thierry Reding
2014-12-01 22:23 ` [Nouveau] " Ben Skeggs
2014-12-01 22:23 ` Ben Skeggs
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