Geoff Reedy wrote:
>
> On Wed, Jun 20, 2001 at 01:50:03PM -0400, Karl Lessard <[EMAIL PROTECTED]> said
> >
> > There is a AGP-to-PCI bridge on a G450 PCI. The thing is that you have a
> > AGP chip on your PCI card , and the bridge is used to connect the chip
> > on a PCI bus. But I don't know why DRI only supports AGP cards, need to
> > investigate a little bit more. Did anyone have any cue on this?
>
> If there is an AGP bridge on the card, then one ought to be able to write a
> agpgart driver for the bridge, and it would work just the same as the AGP
> card as far as DRI is concerened. But to do that someone would need the
> specs for the bridge.
Memory allocation. It's hard to get a large chunk of physically
contiguous memory, which the MGA needs to do PCI DMA. Not impossible,
just a low priority. It would be nice to not just have a hacked-up
solution like the Utah-GLX driver.
-- Gareth
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