From: Philip Langdale <philipl@overt.org>
To: LKML <linux-kernel@vger.kernel.org>
Cc: "Langsdorf, Mark" <mark.langsdorf@amd.com>
Subject: Re: powernow-k8 and non-standard multipliers
Date: Wed, 14 Nov 2007 23:54:37 -0800 [thread overview]
Message-ID: <473BFB3D.1060802@overt.org> (raw)
In-Reply-To: <1449F58C868D8D4E9C72945771150BDF020770FF@SAUSEXMB1.amd.com>
Langsdorf, Mark wrote:
>
> The standard PowerNow! driver, by design, will stop
> working in this situation. I'm not going to support
> a driver that allows non-standard multipliers because
> it could cause a lot of hard to debug maintenance
> issues.
Just a follow-up to get this into the public record. I
discussed this with Mark privately and then did more
digging and established that in my particular case, the
problem was that the BIOS was hiding the p-state table
when a non-standard multiplier was used. So, I built
a custom DSDT that included the p-state table along
with an extra entry for my higher speed and now I've
happily got powernow support again.
--phil
prev parent reply other threads:[~2007-11-15 7:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-13 5:24 powernow-k8 and non-standard multipliers Philip Langdale
2007-11-13 15:06 ` Langsdorf, Mark
2007-11-15 7:54 ` Philip Langdale [this message]
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