[PATCH]Re: OOPS in APM 2.4.18-pre4 with i830MP agpgart

[Nicolas Aspert <Nicolas.Aspert@epfl.ch>]

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Didier Moens wrote:

> Dear all,
> 
> On november 27th, Nicolas Aspert was so kind as to post a modification 
> to agpgart, which catters for detection of the Intel i830MP.
> 
> The patch was included in 2.4.18-pre2.
> 
> Unfortunately, loading agpgart yields an oops when APM ("apm -s") is 
> invoked, both in terminal and in X. APM functions perfectly when agpgart 
> is absent.
> 
> 
> 

Hello all

Here is a patch that fixes the APM/suspend/resume issues in agpgart (for 
820 and 830MP chipsets).
The patch is against 2.4.18-pre4

Have a nice week-end.


Nicolas

-- 
Nicolas Aspert      Signal Processing Laboratory (LTS)
Swiss Federal Institute of Technology (EPFL)



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diff -Nru linux-2.4.18-pre4.clean/drivers/char/agp/agpgart_be.c linux-2.4.18-pre4.dirty/drivers/char/agp/agpgart_be.c
--- linux-2.4.18-pre4.clean/drivers/char/agp/agpgart_be.c	Sat Jan 19 09:35:00 2002
+++ linux-2.4.18-pre4.dirty/drivers/char/agp/agpgart_be.c	Sat Jan 19 09:38:41 2002
@@ -1857,7 +1857,10 @@
        agp_bridge.free_by_type = agp_generic_free_by_type;
        agp_bridge.agp_alloc_page = agp_generic_alloc_page;
        agp_bridge.agp_destroy_page = agp_generic_destroy_page;
-
+       agp_bridge.suspend = agp_generic_suspend;
+       agp_bridge.resume = agp_generic_resume;
+       agp_bridge.cant_use_aperture = 0;
+       
        return 0;
 
        (void) pdev; /* unused */
@@ -1887,7 +1890,10 @@
        agp_bridge.free_by_type = agp_generic_free_by_type;
        agp_bridge.agp_alloc_page = agp_generic_alloc_page;
        agp_bridge.agp_destroy_page = agp_generic_destroy_page;
-
+       agp_bridge.suspend = agp_generic_suspend;
+       agp_bridge.resume = agp_generic_resume;
+       agp_bridge.cant_use_aperture = 0;
+       
        return 0;
 
        (void) pdev; /* unused */