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From: Jung-uk Kim <jkim@FreeBSD.org>
To: Robert Noland <rnoland@FreeBSD.org>
Date: Mon, 9 Nov 2009 13:39:52 -0500
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Cc: svn-src-head@FreeBSD.org, svn-src-all@FreeBSD.org,
	src-committers@FreeBSD.org, John Baldwin <jhb@FreeBSD.org>
Subject: Re: svn commit: r199002 - in head/sys: dev/fb dev/pci isa
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On Monday 09 November 2009 01:24 pm, Robert Noland wrote:
> On Mon, 2009-11-09 at 13:22 -0500, Jung-uk Kim wrote:
> > On Friday 06 November 2009 04:47 pm, John Baldwin wrote:
> > > On Friday 06 November 2009 3:32:26 pm Jung-uk Kim wrote:
> > > > Author: jkim
> > > > Date: Fri Nov  6 20:32:26 2009
> > > > New Revision: 199002
> > > > URL: http://svn.freebsd.org/changeset/base/199002
> > > >
> > > > Log:
> > > >   Remove duplicate suspend/resume code from vga_pci.c and let
> > > > vga(4)
> > >
> > > register
> > >
> > > >   itself to an associated PCI device if it exists.  It is
> > > > little bit hackish but it should fix build without frame
> > > > buffer driver since r198964. Fix some style(9) nits in
> > > > vga_isa.c while we are here.
> > >
> > > Hmm, did you consider having vga_isa use an identify routine to
> > > attach itself as a child of vgapci0? The hack of knowing the
> > > first thing in the softc is a pointer is really gross and I'd
> > > rather avoid it.  Just creating a child of vgapci0 will
> > > automatically cause suspend and resume to work w/o vgapci
> > > having to have any special knowledge about vga_isa.
> >
> > In fact, I did consider it.  However, lack of my new bus foo
> > prevented me from doing the right thing AND fixing the build
> > breakage at the same.  I'll try little harder today.
> >
> > BTW, syscons <-> fb <-> vga <-> vgapci <-> etc. relationship is
> > amazingly confusing. :-(
>
> Agreed, this is one of the things that has kept me from working on
> kms...

Oh, are you actually thinking about implementing KMS?

How about KGI?

http://www.kgi-project.org/

Whatever we do in this area, we will stall this newly resurrected 
project again, unfortunately.  In fact, I am afraid I might have 
already. :-(

Jung-uk Kim