Re: agpgart, nforce2, radeon and agp fastwrite

[Jan Dittmer <j.dittmer@portrix.net>]

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