[Nouveau] [PATCH] nouveau: Do not use nva3 engine for 0xaf chipset

2012-08-05 Thread Ben Skeggs
On Sat, Aug 04, 2012 at 08:00:45AM +0200, Henrik Rydberg wrote:
> The nva3 copy engine exhibits random memory corruption in at least one
> case, the GeForce 320M (nv50, 0xaf) in the MacBookAir3,1.  This patch
> omits creating the engine for the specific chipset, falling back to
> M2MF, which kills the symptoms.
I've pushed this (with slightly modified commit message) to nouveau git.

I'll get it to Linus' tree in a future -fixes merge.

Thanks,
Ben.

> 
> Signed-off-by: Henrik Rydberg 
> ---
> Hi Ben,
> 
> this patch is still needed in 3.6-rc1, so perhaps we should apply it
> after all. I have been running it without problems for a long time
> now.
> 
> Thanks,
> Henrik
> 
>  drivers/gpu/drm/nouveau/nouveau_state.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c 
> b/drivers/gpu/drm/nouveau/nouveau_state.c
> index 1cdfd6e..1866dbb 100644
> --- a/drivers/gpu/drm/nouveau/nouveau_state.c
> +++ b/drivers/gpu/drm/nouveau/nouveau_state.c
> @@ -731,7 +731,6 @@ nouveau_card_init(struct drm_device *dev)
>   case 0xa3:
>   case 0xa5:
>   case 0xa8:
> - case 0xaf:
>   nva3_copy_create(dev);
>   break;
>   }
> -- 
> 1.7.11.4
> 
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Re: [Nouveau] [PATCH] nouveau: Do not use nva3 engine for 0xaf chipset

2012-08-04 Thread Ben Skeggs
On Sat, Aug 04, 2012 at 08:00:45AM +0200, Henrik Rydberg wrote:
 The nva3 copy engine exhibits random memory corruption in at least one
 case, the GeForce 320M (nv50, 0xaf) in the MacBookAir3,1.  This patch
 omits creating the engine for the specific chipset, falling back to
 M2MF, which kills the symptoms.
I've pushed this (with slightly modified commit message) to nouveau git.

I'll get it to Linus' tree in a future -fixes merge.

Thanks,
Ben.

 
 Signed-off-by: Henrik Rydberg rydb...@euromail.se
 ---
 Hi Ben,
 
 this patch is still needed in 3.6-rc1, so perhaps we should apply it
 after all. I have been running it without problems for a long time
 now.
 
 Thanks,
 Henrik
 
  drivers/gpu/drm/nouveau/nouveau_state.c | 1 -
  1 file changed, 1 deletion(-)
 
 diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c 
 b/drivers/gpu/drm/nouveau/nouveau_state.c
 index 1cdfd6e..1866dbb 100644
 --- a/drivers/gpu/drm/nouveau/nouveau_state.c
 +++ b/drivers/gpu/drm/nouveau/nouveau_state.c
 @@ -731,7 +731,6 @@ nouveau_card_init(struct drm_device *dev)
   case 0xa3:
   case 0xa5:
   case 0xa8:
 - case 0xaf:
   nva3_copy_create(dev);
   break;
   }
 -- 
 1.7.11.4
 
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