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drm/nouveau: fix oopses caused by clear being called on unpopulated ttms
author
Ben Skeggs
<bskeggs@redhat.com>
Fri, 25 Nov 2011 06:35:34 +0000
(16:35 +1000)
committer
Ben Skeggs
<bskeggs@redhat.com>
Wed, 30 Nov 2011 13:41:05 +0000
(23:41 +1000)
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
drivers/gpu/drm/nouveau/nouveau_sgdma.c
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diff --git
a/drivers/gpu/drm/nouveau/nouveau_sgdma.c
b/drivers/gpu/drm/nouveau/nouveau_sgdma.c
index
b75258a
..
c8a463b
100644
(file)
--- a/
drivers/gpu/drm/nouveau/nouveau_sgdma.c
+++ b/
drivers/gpu/drm/nouveau/nouveau_sgdma.c
@@
-67,7
+67,10
@@
nouveau_sgdma_clear(struct ttm_backend *be)
pci_unmap_page(dev->pdev, nvbe->pages[nvbe->nr_pages],
PAGE_SIZE, PCI_DMA_BIDIRECTIONAL);
}
+ nvbe->unmap_pages = false;
}
+
+ nvbe->pages = NULL;
}
static void