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