Re: [OT] Re: 2.4.x, drm, g400 and pci_set_master

Jeff Hartmann (jhartmann@valinux.com)
Thu, 08 Feb 2001 11:48:17 -0700


Alex Deucher wrote:

> There is preliminary support for pcigart in the dri tree. I believe
> some people have had some success with it.
>
> Alex
>
> Petr Vandrovec wrote:
>
>> On 8 Feb 01 at 13:14, Alex Deucher wrote:
>>
>>> Jeff Hartmann wrote:
>>>
>>>> Petr Vandrovec wrote:
>>>
>>>> It does not use dynamic DMA mapping, because it doesn't do PCI DMA at
>>>> all. It uses AGP DMA. Actually, it shouldn't be too hard to get it to
>>>> work on the Alpha (just a few 32/64 bit issues probably.) Someone just
>>>> needs to get agpgart working on the Alpha, thats the big step.
>>>
>>> That shouldn't be too hard since many (all?) AGP alpha boards (UP1000's
>>> anyway) are based on the AMD 751 Northbridge? And there is already
>>> support for that in the kernel for x86.
>>
>> My AlphaPC 164LX does not have AGP at all - and I want to get G200/G400 PCI
>> working on it with dri, using 21174 features.
>> Petr Vandrovec
>> vandrove@vc.cvut.cz
>>
pcigart is only for the r128/radeon (and the radeon support is not done
yet.) The has been success using pcigart on the PPC, I would suspect
the Alpha will probably be pretty easy to get going.

-Jeff

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