From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Dave Jones <davej@codemonkey.org.uk>,
maximilian attems <max@stro.at>,
linux-kernel@vger.kernel.org, mingo@elte.hu,
cking <colin.king@canonical.com>,
Dominik Brodowski <linux@dominikbrodowski.net>
Subject: Re: [PATCH] Enable speedstep for sonoma processors.
Date: Wed, 4 Jun 2008 02:21:58 +0100 [thread overview]
Message-ID: <20080604012158.GA12806@srcf.ucam.org> (raw)
In-Reply-To: <20080603174218.GA15293@codemonkey.org.uk>
On Tue, Jun 03, 2008 at 01:42:18PM -0400, Dave Jones wrote:
> This patch has been floating around for years.
> So long, I've forgotten the original reason it wasn't accepted.
> It had something to do with it working for some users, but not others,
> and we can't detect the 'not working' case.
My recollection is that we had no way to work out which voltage table
was appropriate for a given CPU, so there was a risk of us either over-
or under-volting the chip. Doing it via ACPI is safe.
--
Matthew Garrett | mjg59@srcf.ucam.org
prev parent reply other threads:[~2008-06-04 1:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-06-03 17:04 [PATCH] Enable speedstep for sonoma processors maximilian attems
2008-06-03 17:42 ` Dave Jones
2008-06-04 1:21 ` Matthew Garrett [this message]
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