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drm/nouveau: fix regression causing ttm to not be able to evict vram

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TTM assumes an error condition from man->func->get_node() means that
something went horribly wrong, and causes it to bail.

The driver is supposed to return 0, and leave mm_node == NULL to
signal that it couldn't allocate any memory.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Ben Skeggs 2011-03-07 17:18:03 +10:00 committed by Dave Airlie
parent fb62c00a6d
commit ef1b287169
2 changed files with 5 additions and 3 deletions
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6
drivers/gpu/drm/nouveau/nouveau_mem.c
View File

@ -725,8 +725,10 @@ nouveau_vram_manager_new(struct ttm_mem_type_manager *man,
ret = vram->get(dev, mem->num_pages << PAGE_SHIFT,
mem->page_alignment << PAGE_SHIFT, size_nc,
(nvbo->tile_flags >> 8) & 0xff, &node);
if (ret)
return ret;
if (ret) {
mem->mm_node = NULL;
return (ret == -ENOSPC) ? 0 : ret;
}
node->page_shift = 12;
if (nvbo->vma.node)

2
drivers/gpu/drm/nouveau/nouveau_mm.c
View File

@ -123,7 +123,7 @@ nouveau_mm_get(struct nouveau_mm *rmm, int type, u32 size, u32 size_nc,
return 0;
}
return -ENOMEM;
return -ENOSPC;
}
int