Re: [PATCH] s3_bios and lcall $0xc000,$3

[Nigel Cunningham <ncunningham-oKK1aGe2n869koe0gwxAeg@public.gmane.org>]

I'm talking about S3 (sorry typo before when I said S4==S5) - if I've
read the specs right (and experience does match this), the i830 video
card looses all state when switched to S3.

Regards,

Nigel

On Tue, 2003-02-18 at 12:55, Pavel Machek wrote:
> Hi!
> 
> > > Pavel, really, we need to provide a better way to reinitialize
> > > the VGA subsystem.
> > 
> > And you need to make no assumptions about the state - on an i830 (and
> > others, no doubt), S4 == S5 for the video subsystem.
> 
> Are we talking swsusp here? No, subject says S3. So you have typo
> there?
> 
> Anyway going without assumptions is pretty hard, as it requires
> in-kernel support for all the video cards. And that's hard. [Power-on
> initialization of cards is different; you have to setup memory timings
> etc.]
>  
> 								Pavel



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