[PATCH 1/2] drm/ttm: Add dummy *populate_and_*map_pages() functions

Tom St Denis tom.stdenis at amd.com
Thu Aug 24 10:48:17 UTC 2017


On non IOTLB/IOMMU builds these functions would be undefined.

Signed-off-by: Tom St Denis <tom.stdenis at amd.com>
---
 include/drm/ttm/ttm_page_alloc.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h
index 8695918ea629..4400c08169cd 100644
--- a/include/drm/ttm/ttm_page_alloc.h
+++ b/include/drm/ttm/ttm_page_alloc.h
@@ -116,6 +116,16 @@ static inline void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma,
 				      struct device *dev)
 {
 }
+
+static inline int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+	return 0;
+}
+
+static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
+{
+}
+
 #endif
 
 #endif
-- 
2.12.0



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