Re: g400 vanilla 2.6.17 DRI

[Alex D. <ale...@gm...>]

On 6/21/06, Matthias Haase <mat...@be...> wrote:
> On Tue, 20 Jun 2006 17:20:09 -0700
> "Jacek Poplawski" <jac...@gm...> wrote:
>
> > But Matrox works correctly on current kernel with DRI from 7.0 or CVS.
>
> Indeed...
>
> 2.6.17 'make oldconfig'
> Option      "AGPMode" "2"
> (**) MGA(0): Option "AGPMode" "2"
> (**) MGA(0): Using AGP 2x mode
> -> success
>
> Option      "AGPMode" "4"
> (**) MGA(0): Option "AGPMode" "4"
> (**) MGA(0): Using AGP 4x mode
> -> (EE) MGA(0): [dri] Idle timed out, resetting engine...
> .
>
>
> 2.6.11.12 gcc 2.96 (RH)
> Option      "AGPMode" "4"
> (**) MGA(0): Option "AGPMode" "4"
> (**) MGA(0): Using AGP 4x mode
> -> success
>
> This has confused me. DRI works as expected on current kernel with xorg
> 7.0, if AGPMode isn't set higher than "2".
>
> With 2.6.11.12 I can set AGPMode to "4", but there isn't any noticeable
> speed improvement. May be this is board specific (Via Apollo 266Pro with
> 2 CPU's)

there's rarely any speed improvement with higher AGP modes.  Also,
some of the early G400 chips didn't actually support AGP 4x; yours may
be one of those.

Alex

>
> Thanks for your answer
>
>
> --
> Regards from Germany
>                    Matthias
>
>
>