From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir@xensource.com>
Subject: Re: [PATCH 0/4] rest of xen host s3 patches
Date: Thu, 19 Jul 2007 12:07:47 +0100
Message-ID: <C2C50493.12B91%keir@xensource.com>
References: <20070719114746.56999d1c@the-village.bc.nu>
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To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: "Tian, Kevin" <kevin.tian@intel.com>, xen-devel@lists.xensource.com
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On 19/7/07 11:47, "Alan Cox" <alan@lxorguk.ukuu.org.uk> wrote:

>> Dom0 cannot have changed the video mode via the bios. So what's the issue,
> 
> Thats untrue. The X VESA servers use the BIOS for video mode control.

I don't think that Linux's S3 wakeup code would take such a mode-change into
account though, right? It looks like saved_video_mode gets latched on bootup
and is never subsequently changed. As you say, it looks like the right thing
to do in most cases is not touch the video bios at all on wakeup.

 -- Keir