Am 21.11.20 um 06:21 schrieb Andrey Grodzovsky:
Fixes oops.

That file doesn't even exist any more. What oops should this fix?


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);

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