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drm/nv50: mark PCIEGART pages non-present rather than using dummy page

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Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-09-13 09:57:44 +10:00
parent 24b102d348
commit 17b20348ea
1 changed files with 3 additions and 4 deletions
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7
drivers/gpu/drm/nouveau/nouveau_sgdma.c
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@ -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);