Re: agpgart, nforce2, radeon and agp fastwrite

Jan Dittmer
2003-07-12T20:55:41Z

Dave Jones wrote:
> On Sat, Jul 12, 2003 at 05:51:42PM +0200, Jan Dittmer wrote:
> > just took me half a hour to figure out. On nforce2 you have to disable
> > agp fastwrites, otherwise X locks hard on startup with the following
> > (from serial console).
> > ...
> >
> > Without AGP Fastwrites turned on, it all works wonderful. Just if
> > anybody encounters the same problem.
> > Mainboard is nForce2 based, graphics is radeon 8500le (R200).
>
> Could be that the nforce & radeon don't play well together.
> Anyone using fast writes without problems with non-ATI cards & nforce ?
> If it works there, it's trivial to blacklist ATI cards and make them
> unable to enable fast writes in the gart driver.
>
Forgot to mention I had to use this patchlet to get nvidia-agp to link
properly.

Jan

--- linux-mm/drivers/char/agp/generic.c Thu Jul 3 15:04:06 2003
+++ 2.5.73-mm3/drivers/char/agp/generic.c Wed Jul 9 10:04:34 2003
@@ -39,7 +39,7 @@

__u32 *agp_gatt_table;
int agp_memory_reserved;
-
+EXPORT_SYMBOL(agp_memory_reserved)
/*
* Generic routines for handling agp_memory structures -
* They use the basic page allocation routines to do the brunt of the
work.

--
Linux rubicon 2.5.75-mm1-jd10 #1 SMP Sat Jul 12 19:40:28 CEST 2003 i686