From: Martin Mares <mj@ucw.cz>
To: Jon Smirl <jonsmirl@yahoo.com>
Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
Greg KH <greg@kroah.com>, Jesse Barnes <jbarnes@engr.sgi.com>,
linux-pci@atrey.karlin.mff.cuni.cz,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Petr Vandrovec <VANDROVE@vc.cvut.cz>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH] add PCI ROMs to sysfs
Date: Fri, 20 Aug 2004 12:26:23 +0200 [thread overview]
Message-ID: <20040820102623.GG781@ucw.cz> (raw)
In-Reply-To: <20040819231158.97039.qmail@web14926.mail.yahoo.com>
Hello!
> The shadowing logic is a must have for laptops. BenH and I discovered
> this the hard way. Some laptops take the system and video ROM images,
> combine them and then compress them into a ROM. At boot time these ROM
> images are decompressed into RAM at C0000 and F0000. For these system
> the only place to get the ROM data for things like video timings is
> from the shadow area. Putting the shadow logic into the shared ROM code
> lets up remove it from all of the video drivers. This lets us write
> video drivers that don't care if the card is primary or secondary.
I understand this and I didn't want to remove the shadow ROM logic,
just to separate it from the real PCI ROM space, the reasons being (1) clarity,
(2) it might be useful to look at both.
Have a nice fortnight
--
Martin `MJ' Mares <mj@ucw.cz> http://atrey.karlin.mff.cuni.cz/~mj/
Faculty of Math and Physics, Charles University, Prague, Czech Rep., Earth
Purchasing Windows is an Unrecoverable Application Error.
next prev parent reply other threads:[~2004-08-20 10:26 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-08-11 23:27 [PATCH] add PCI ROMs to sysfs Pallipadi, Venkatesh
2004-08-12 0:22 ` Jon Smirl
2004-08-12 2:22 ` Jon Smirl
2004-08-13 18:17 ` Martin Mares
2004-08-14 5:34 ` Jon Smirl
2004-08-14 9:47 ` Martin Mares
2004-08-14 14:17 ` Jon Smirl
2004-08-14 22:10 ` Martin Mares
2004-08-14 23:39 ` Jon Smirl
2004-08-18 18:13 ` Jon Smirl
2004-08-18 18:37 ` Jesse Barnes
2004-08-23 22:51 ` Greg KH
2004-08-25 17:32 ` Jon Smirl
2004-08-25 17:42 ` Greg KH
2004-08-25 18:06 ` Jon Smirl
2004-08-25 18:19 ` Greg KH
2004-08-25 18:45 ` Jon Smirl
2004-08-25 18:55 ` Greg KH
2004-08-25 20:06 ` Jon Smirl
2004-08-26 13:13 ` Matthew Wilcox
2004-08-26 15:40 ` Jon Smirl
2004-08-26 15:58 ` Matthew Wilcox
2004-08-26 19:54 ` Jon Smirl
2004-08-28 16:15 ` Matthew Wilcox
2004-08-28 17:33 ` Jon Smirl
2004-08-28 17:38 ` Jon Smirl
2004-08-27 16:43 ` Matthew Wilcox
2004-08-27 22:29 ` Jon Smirl
2004-08-28 16:35 ` Matthew Wilcox
2004-08-28 21:53 ` Grant Grundler
2004-08-25 18:29 ` Matthew Wilcox
2004-08-19 12:51 ` Alan Cox
2004-08-19 23:00 ` Jon Smirl
2004-08-19 14:01 ` Martin Mares
2004-08-19 23:11 ` Jon Smirl
2004-08-20 10:26 ` Martin Mares [this message]
2004-08-25 15:36 ` Matthew Wilcox
2004-08-25 15:50 ` Jon Smirl
-- strict thread matches above, loose matches on Subject: below --
2004-09-08 3:15 Jon Smirl
2004-09-08 6:07 ` Greg KH
2004-09-08 23:50 ` Greg KH
2004-10-08 2:20 ` Jon Smirl
2004-11-05 23:06 ` Greg KH
2004-09-03 1:40 Jon Smirl
2004-09-03 17:27 ` Jesse Barnes
2004-09-03 17:45 ` Jesse Barnes
2004-09-03 18:06 ` Jesse Barnes
2004-08-29 4:58 Jon Smirl
2004-08-12 8:39 Thomas Winischhofer
2004-08-04 15:57 Petr Vandrovec
2004-08-04 17:06 ` Jesse Barnes
2004-08-05 1:38 ` Jon Smirl
2004-07-30 21:09 Jesse Barnes
2004-07-30 21:29 ` Greg KH
2004-07-30 21:34 ` Jesse Barnes
2004-07-30 21:39 ` Greg KH
2004-07-30 21:48 ` Jesse Barnes
2004-07-30 22:15 ` Jon Smirl
2004-07-31 15:59 ` Jesse Barnes
2004-08-02 17:02 ` Jesse Barnes
2004-08-02 17:29 ` Jon Smirl
2004-08-02 21:00 ` Jon Smirl
2004-08-02 21:05 ` Jesse Barnes
2004-08-02 23:32 ` Alan Cox
2004-08-02 23:30 ` Alan Cox
2004-08-03 2:03 ` Jesse Barnes
2004-08-03 2:32 ` Jon Smirl
2004-08-03 17:07 ` Jesse Barnes
2004-08-03 21:19 ` Jon Smirl
2004-08-03 21:28 ` Jesse Barnes
2004-08-03 21:30 ` Jesse Barnes
2004-08-03 21:31 ` Martin Mares
2004-08-03 21:36 ` Jon Smirl
2004-08-03 21:39 ` Martin Mares
2004-08-05 5:05 ` Jon Smirl
2004-08-05 5:41 ` Benjamin Herrenschmidt
2004-08-05 11:53 ` Jon Smirl
2004-08-05 15:54 ` Jesse Barnes
2004-08-05 16:25 ` Jesse Barnes
2004-08-05 20:45 ` Jon Smirl
2004-08-05 21:12 ` Jesse Barnes
2004-08-06 21:14 ` Jon Smirl
2004-08-06 22:33 ` Jesse Barnes
2004-08-11 17:04 ` Jesse Barnes
2004-08-11 17:28 ` Greg KH
2004-08-11 18:02 ` Jesse Barnes
2004-08-11 18:12 ` Greg KH
2004-08-12 1:28 ` Marcelo Tosatti
2004-08-12 14:38 ` Jesse Barnes
2004-08-12 17:29 ` Greg KH
2004-08-12 2:25 ` Miles Bader
2004-08-12 4:38 ` Greg KH
2004-08-12 9:18 ` Geert Uytterhoeven
2004-08-12 22:01 ` Matthew Wilcox
2004-08-11 19:24 ` Jon Smirl
2004-08-11 19:44 ` Jesse Barnes
2004-08-11 20:11 ` Alan Cox
2004-08-11 23:31 ` Jon Smirl
2004-08-12 11:51 ` Alan Cox
2004-08-12 20:28 ` Jon Smirl
2004-08-12 0:45 ` Jon Smirl
2004-08-12 4:37 ` Greg KH
2004-08-04 6:08 ` Jon Smirl
2004-08-04 15:56 ` Jesse Barnes
2004-07-30 21:53 ` Jon Smirl
2004-07-31 10:03 ` Vojtech Pavlik
2004-07-31 13:28 ` Jon Smirl
2004-07-31 15:42 ` Greg KH
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