linux-kernel - Re: [PATCH 2.6.18] PCI: Turn pci_fixup_video into generic for embedded VGA

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Message-Id: <200609280936.02098.jesse.barnes@intel.com>
Date:	Thu, 28 Sep 2006 09:36:01 -0700
From:	Jesse Barnes <jesse.barnes@...el.com>
To:	eiichiro.oiwa.nm@...achi.com
Cc:	akpm@...l.org, tony.luck@...el.com, greg@...ah.com,
	"Alan Cox" <alan@...rguk.ukuu.org.uk>, linux-ia64@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2.6.18] PCI: Turn pci_fixup_video into generic for embedded VGA

On Wednesday, September 27, 2006 9:55 pm, eiichiro.oiwa.nm@...achi.com 
wrote:
> pci_fixup_video turns into generic code because there are many platforms
> need this fixup for embedded VGA as well as x86. The Video BIOS
> integrates into System BIOS on a machine has embedded VGA although
> embedded VGA generally don't have PCI ROM. As a result, embedded VGA
> need the way that the sysfs rom points to the Video BIOS of System RAM
> (0xC0000). PCI-to-PCI Bridge Architecture specification describes the
> condition whether or not PCI ROM forwards VGA compatible memory address.
> fixup_video suits this specification. Although the Video ROM generally
> implements in x86 code regardless of platform, some application such as
> X Window System can run this code by dosemu86. Therefore,
> pci_fixup_video should turn into generic code.
>
>
> Signed-off-by: Eiichiro Oiwa <eiichiro.oiwa.nm@...achi.com>
> ---

Acked-by:  Jesse Barnes <jesse.barnes@...el.com>

Thanks a lot, Eiichiro, this patch has been needed for awhile.

Jesse
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