Commit 1569d651 authored by Christian König's avatar Christian König Committed by Alex Deucher

drm/ttm: fix populate_and_map() functions once more

This reverts "drm/ttm: Fix configuration error around populate_and_map()
functions".

This fix has gone into the wrong direction. Those helpers should be
available even when neither CONFIG_INTEL_IOMMU nor CONFIG_SWIOTLB are
set.
Signed-off-by: 's avatarChristian König <christian.koenig@amd.com>
Reviewed-by: 's avatarMichel Dänzer <michel.daenzer@amd.com>
Acked-by: 's avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: 's avatarAlex Deucher <alexander.deucher@amd.com>
parent 97011249
......@@ -1058,7 +1058,6 @@ 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, j;
......@@ -1129,7 +1128,6 @@ 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)
{
......
......@@ -58,12 +58,21 @@ int ttm_pool_populate(struct ttm_tt *ttm);
*/
void ttm_pool_unpopulate(struct ttm_tt *ttm);
/**
* Populates and DMA maps pages to fullfil a ttm_dma_populate() request
*/
int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt);
/**
* Unpopulates and DMA unmaps pages as part of a
* ttm_dma_unpopulate() request */
void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt);
/**
* Output the state of pools to debugfs file
*/
int ttm_page_alloc_debugfs(struct seq_file *m, void *data);
#if defined(CONFIG_SWIOTLB) || defined(CONFIG_INTEL_IOMMU)
/**
* Initialize pool allocator.
......@@ -83,17 +92,6 @@ int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data);
int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev);
void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev);
/**
* Populates and DMA maps pages to fullfil a ttm_dma_populate() request
*/
int ttm_populate_and_map_pages(struct device *dev, struct ttm_dma_tt *tt);
/**
* Unpopulates and DMA unmaps pages as part of a
* ttm_dma_unpopulate() request */
void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt);
#else
static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob,
unsigned max_pages)
......@@ -116,16 +114,6 @@ 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 -ENOMEM;
}
static inline void ttm_unmap_and_unpopulate_pages(struct device *dev, struct ttm_dma_tt *tt)
{
}
#endif
#endif
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