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From: John Bradford <john@grabjohn.com>
Message-Id: <200304171509.h3HF9PS1000278@81-2-122-30.bradfords.org.uk>
Subject: Re: Subtle semantic issue with sleep callbacks in drivers
To: jgarzik@pobox.com (Jeff Garzik)
Date: Thu, 17 Apr 2003 16:09:25 +0100 (BST)
Cc: alan@lxorguk.ukuu.org.uk (Alan Cox), mochel@osdl.org (Patrick Mochel),
       andrew.grover@intel.com (Grover Andrew),
       benh@kernel.crashing.org (Benjamin Herrenschmidt),
       linux-kernel@vger.kernel.org (Linux Kernel Mailing List)
In-Reply-To: <20030417144844.GC18749@gtf.org> from "Jeff Garzik" at Apr 17, 2003 10:48:44 AM
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> The video BIOS on a card often contains information that is found
> -nowhere- else.  Not in the chip docs.  Not in a device driver.
> Such information can and does vary from board-to-board, such as RAM
> timings, while the chip remains unchanged.

Incidently, what happens if we:

* Suspend
* Swap VGA card with another one
* Restore

!?

John.