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Subject[PATCH] nouveau: Do not use nva3 engine for 0xaf chipset
Date
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.

Signed-off-by: Henrik Rydberg <rydberg@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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