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drm/nouveau: disable copy engine on NVAF

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The 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.

Signed-off-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Henrik Rydberg 2012-08-04 08:00:45 +02:00 committed by Ben Skeggs
parent 44b9f44e11
commit fe0aac129c
1 changed files with 0 additions and 1 deletions
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drivers/gpu/drm/nouveau/nouveau_state.c
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@ -731,7 +731,6 @@ nouveau_card_init(struct drm_device *dev)
case 0xa3:
case 0xa5:
case 0xa8:
case 0xaf:
nva3_copy_create(dev);
break;
}