From 17b20348ea94a92a54898c518b514c564d12e4c3 Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Mon, 13 Sep 2010 09:57:44 +1000
Subject: [PATCH] drm/nv50: mark PCIEGART pages non-present rather than using
dummy page
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
---
drivers/gpu/drm/nouveau/nouveau_sgdma.c | 7 +++----
1 file changed, 3 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/nouveau/nouveau_sgdma.c b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index 5a66a7ae6e29e..c0b79659419b3 100644
--- a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@ -151,7 +151,7 @@ nouveau_sgdma_unbind(struct ttm_backend *be)
nv_wo32(gpuobj, (pte * 4) + 0, dma_offset | 3);
pte += 1;
} else {
- nv_wo32(gpuobj, (pte * 4), dma_offset | 0x21);
+ nv_wo32(gpuobj, (pte * 4) + 0, 0x00000000);
nv_wo32(gpuobj, (pte * 4) + 4, 0x00000000);
pte += 2;
}
@@ -279,9 +279,8 @@ nouveau_sgdma_init(struct drm_device *dev)
}
} else {
for (i = 0; i < obj_size; i += 8) {
- nv_wo32(gpuobj, i + 0,
- dev_priv->gart_info.sg_dummy_bus | 0x21);
- nv_wo32(gpuobj, i + 4, 0);
+ nv_wo32(gpuobj, i + 0, 0x00000000);
+ nv_wo32(gpuobj, i + 4, 0x00000000);
}
}
dev_priv->engine.instmem.flush(dev);
--
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