Hi,
I've just written an agpgart driver for the IGP320M that seems to work well on my HP
Pavilion 4200, at least with the test programs I ran on them (testagp.c and agptool
from Dave Jones' website). The driver is by no means stable or useful as far as I can
see, it only supports the IGP320M and it's probably really slow because it doesn't use
the TLB, the GART cache or the 2-level GATT.
At the moment I'm just writing it as a pet project. I don't have a clue how I can test
it reliably (the test program only allocates AGP memory and read/write tests it),
because I think that would need writing a DRI driver as well. I have the full specs to
the IGP320/330/340 chipsets (including the gfx core specs), but I have no idea how
much work it would be to adapt the existing R100 driver together with my experimental
agpgart driver to have accelerated 3D.
Maybe someone else knows more about this? As far as I know the IGP320/330/340 have a
stripped-down Radeon 7000 core without hardware T&L, so it might not be that difficult
to support it...
Anyways, I would definitely like to have my driver tested, so let me know if you're
interested. It only works with the IGP320 chips and it will probably not get you
anything as long as there is no DRI driver, but it might be interesting to have it
checked on different machines.
Regards,
Wouter Bijlsma
> From: Gerald Leppert <[EMAIL PROTECTED]>
> 2003-07-17 02:50
>
> Hi,
>
> I'm one of the unlucky owners of a notebook with the ATI IGP 320M Chip.
> I've heard that there's no stable support for AGPGart, DRI and so on.
> Is there some development going on in supporting the ATI IGP chips?
> I'd like to test these drivers, if possible.
> Did ATI provide all the specifications, necessary to write a driver?
> Do all IGP chips use a similar structure?
>
> Thank you very much in advance
> Gerald
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