Fixes oops.
Signed-off-by: Andrey Grodzovsky <andrey.grodzov...@amd.com>
---
drivers/gpu/drm/ttm/ttm_page_alloc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c
b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index b40a467..b0df328 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -1160,6 +1160,8 @@ void ttm_unmap_and_unpopulate_pages(struct device *dev,
struct ttm_dma_tt *tt)
dma_unmap_page(dev, tt->dma_address[i], num_pages * PAGE_SIZE,
DMA_BIDIRECTIONAL);
+ tt->dma_address[i] = 0;
+
i += num_pages;
}
ttm_pool_unpopulate(&tt->ttm);
--
2.7.4
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