From: Jeff Garzik <jeff@garzik.org>
To: Alan <alan@lxorguk.ukuu.org.uk>
Cc: Oleg Verych <olecom@flower.upol.cz>,
Allen Martin <AMartin@nvidia.com>,
linux-kernel <linux-kernel@vger.kernel.org>,
Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Subject: Re: Nvidia cable detection problems & ACPI (beware, slight off-top)
Date: Mon, 05 Feb 2007 16:55:28 -0500 [thread overview]
Message-ID: <45C7A7D0.407@garzik.org> (raw)
In-Reply-To: <20070205220442.6e13a7b6@localhost.localdomain>
Alan wrote:
>> I'm very upset, that hardware nvidia-lego forces system software (and
>> programmers) to know "unfortunately no standard" ways of desinging
>> things... One read-only-for-os, hardware set bit in kind of control
>
> The hardware doesn't. The BIOS authors do by not setting the cable flags.
> We actually need to use the STM and GTM methods for PC suspend/resume so
> it makes sense to see if they will work out in this case too.
We also need ACPI, where available, because that's the only way to
obtain a BIOS-set hard drive password. And BIOS vendors often deliver
hard drive-specific errata this way, if the problem is serious enough
(though certainly we would prefer that the OS knows about drive errata,
when a runtime patch is necessary)
Jeff
next prev parent reply other threads:[~2007-02-05 21:55 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20070205075836.GG1625@htj.dyndns.org>
[not found] ` <20070205112410.5a3c3182@localhost.localdomain>
[not found] ` <45C72012.7050605@gmail.com>
[not found] ` <20070205132247.6f611e3c@localhost.localdomain>
[not found] ` <45C73A3E.6080700@gmail.com>
2007-02-05 14:34 ` Nvidia cable detection problems (was [PATCH] amd74xx: don't configure udma mode higher than BIOS did) Alan
2007-02-05 14:50 ` Tejun Heo
2007-02-05 15:49 ` Alan
[not found] ` <58cb370e0702050709w1b7682dr5dff9e7ce69465a@mail.gmail.com>
2007-02-05 17:08 ` Allen Martin
2007-02-05 18:12 ` Alan
2007-02-05 18:36 ` Tejun Heo
2007-02-05 18:55 ` Bartlomiej Zolnierkiewicz
2007-02-05 19:15 ` Tejun Heo
2007-02-05 21:27 ` Bartlomiej Zolnierkiewicz
2007-02-05 22:02 ` Alan
2007-02-05 22:00 ` Bartlomiej Zolnierkiewicz
2007-02-05 19:13 ` Alan
2007-02-05 21:43 ` Jeff Garzik
2007-02-05 21:11 ` Nvidia cable detection problems & ACPI (beware, slight off-top) Oleg Verych
2007-02-05 22:04 ` Alan
2007-02-05 21:55 ` Jeff Garzik [this message]
2007-02-05 22:42 ` Oleg Verych
2007-02-05 22:51 ` Jeff Garzik
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