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SubjectRe: [patch 2.6.10-rc3 1/4] agpgart: allow multiple backends to be initialized
On Sat, Dec 18, 2004 at 09:17:14AM -0800, Mike Werner wrote:
> > The agp_bridge_find function pointer is bogus, that way you can only support
> > one backend at a time.
> Obviously you mean one type of backend here.
> I have tried to simplify this patch as much as possible so that it only tries to do one thing
> and that is just the api change. I think the searching for valid bridges is a separate issue
> since none of the currently supported hardware needs it. The only possible platform
> that I assumed might is amd64 and Andi Kleen specifically told me it doesn't.

I agree that it's a separate issue. So keep the function poniter out for
the time beeing and we can discuss it last.

> I don't agree that you *must* pass the agp_bridge_data pointer for every method.
> You don't need it for bind/unbind/free if you associate each memory region
> allocated using agp_allocate_memory(bridge,...) with a particular bridge
> which is what the patch does. That is, agp_memory knows which bridge it belongs to.

Yes, agreed. But you need to pass the agp_bridge_data to each function in
some way.
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