[PATCH] drm/ttm: Fix configuration error around populate_and_map() functions

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Am 05.09.2017 um 13:32 schrieb Tom St Denis:
> Fixed kbuild errors when IOMMU/SWIOTLB are disabled.
>
> Signed-off-by: Tom St Denis <tom.stdenis at amd.com>

Reviewed-by: Christian König <christian.koenig at 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 6a660d196d87..052e1f102113 100644
> --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
> +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
> @@ -920,6 +920,7 @@ void ttm_pool_unpopulate(struct ttm_tt *ttm)
>   }
>   EXPORT_SYMBOL(ttm_pool_unpopulate);
>   
> +#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU)
>   int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt)
>   {
>   	unsigned i;
> @@ -960,6 +961,7 @@ void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
>   	ttm_pool_unpopulate(&tt->ttm);
>   }
>   EXPORT_SYMBOL(ttm_unmap_and_unpopulate_pages);
> +#endif
>   
>   int ttm_page_alloc_debugfs(struct seq_file *m, void *data)
>   {




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