Date: Fri, 28 Jul 2006 12:43:17 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-mobile@freebsd.org Cc: Andreas Kohn <andreas.kohn@gmail.com> Subject: Re: Intel i830M behind transparent AGP bridge? Message-ID: <200607281243.17331.jhb@freebsd.org> In-Reply-To: <b185530d0607280746v6c94c22ascc62af865139777c@mail.gmail.com> References: <b185530d0607280746v6c94c22ascc62af865139777c@mail.gmail.com>
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On Friday 28 July 2006 10:46, Andreas Kohn wrote: > Hi, > > a friend of mine has a laptop which has an Intel i830M chipset. > Linux recognizes the chip, and connects it to its agpgart. > FreeBSD* also recognizes the chip, but see it as connected to the pci > bus. This makes the drm parts fail to attach, as they require > (according to the code) the i830 to be attached as AGP chip. > > Is this a known problem, and even more, is there any known work-around > to achieve working drm with i830M in this setup? It should work fine in current, and possibly on 6.1-stable. You need 'device agp' in your kernel, and I think the patches in -stable as with drmsub the idea is that agp0 attaches to the PCI device and creates a drmsub0 child, and then the drm driver attaches to drmsub0. -- John Baldwin
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