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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2010-11-29 13:52:18 -0500 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2011-01-27 16:02:31 -0500 |
| commit | f9820a46dd7888b05a36e81166fb1abcc47dcc3f (patch) | |
| tree | c29e32a8fe8b08bc42120ce66c6536afd5c102df /include/drm/ttm/ttm_page_alloc.h | |
| parent | e53beacd23d9cb47590da6a7a7f6d417b941a994 (diff) | |
| download | linux-f9820a46dd7888b05a36e81166fb1abcc47dcc3f.tar.bz2 | |
ttm: Introduce a placeholder for DMA (bus) addresses.
This is right now limited to only non-pool constructs.
[v2: Fixed indentation issues, add review-by tag]
Reviewed-by: Thomas Hellstrom <thomas@shipmail.org>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Tested-by: Ian Campbell <ian.campbell@citrix.com>
Diffstat (limited to 'include/drm/ttm/ttm_page_alloc.h')
| -rw-r--r-- | include/drm/ttm/ttm_page_alloc.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 116821448c38..8062890f725e 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -36,11 +36,13 @@ * @flags: ttm flags for page allocation. * @cstate: ttm caching state for the page. * @count: number of pages to allocate. + * @dma_address: The DMA (bus) address of pages (if TTM_PAGE_FLAG_DMA32 set). */ int ttm_get_pages(struct list_head *pages, int flags, enum ttm_caching_state cstate, - unsigned count); + unsigned count, + dma_addr_t *dma_address); /** * Put linked list of pages to pool. * @@ -49,11 +51,13 @@ int ttm_get_pages(struct list_head *pages, * count. * @flags: ttm flags for page allocation. * @cstate: ttm caching state. + * @dma_address: The DMA (bus) address of pages (if TTM_PAGE_FLAG_DMA32 set). */ void ttm_put_pages(struct list_head *pages, unsigned page_count, int flags, - enum ttm_caching_state cstate); + enum ttm_caching_state cstate, + dma_addr_t *dma_address); /** * Initialize pool allocator. */ |