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| author | Jerome Glisse <jglisse@redhat.com> | 2011-11-09 22:15:26 (GMT) |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-06 10:40:02 (GMT) |
| commit | 8e7e70522d760c4ccd4cd370ebfa0ba69e006c6e (patch) | |
| tree | a2b0f931e513f3aeba174b974bd5e869685fe288 /include/drm/ttm/ttm_page_alloc.h | |
| parent | 3230cfc34fca9d17c1628cf0e4ac25199592a69a (diff) | |
| download | linux-8e7e70522d760c4ccd4cd370ebfa0ba69e006c6e.tar.xz | |
drm/ttm: isolate dma data from ttm_tt V4
Move dma data to a superset ttm_dma_tt structure which herit
from ttm_tt. This allow driver that don't use dma functionalities
to not have to waste memory for it.
V2 Rebase on top of no memory account changes (where/when is my
delorean when i need it ?)
V3 Make sure page list is initialized empty
V4 typo/syntax fixes
Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Diffstat (limited to 'include/drm/ttm/ttm_page_alloc.h')
| -rw-r--r-- | include/drm/ttm/ttm_page_alloc.h | 33 |
1 files changed, 2 insertions, 31 deletions
diff --git a/include/drm/ttm/ttm_page_alloc.h b/include/drm/ttm/ttm_page_alloc.h index 1e1337e..5fe2740 100644 --- a/include/drm/ttm/ttm_page_alloc.h +++ b/include/drm/ttm/ttm_page_alloc.h @@ -30,35 +30,6 @@ #include "ttm_memory.h" /** - * Get count number of pages from pool to pages list. - * - * @pages: head of empty linked list where pages are filled. - * @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 page **pages, - int flags, - enum ttm_caching_state cstate, - unsigned npages, - dma_addr_t *dma_address); -/** - * Put linked list of pages to pool. - * - * @pages: list of pages to free. - * @page_count: number of pages in the list. Zero can be passed for unknown - * 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 page **pages, - unsigned npages, - int flags, - enum ttm_caching_state cstate, - dma_addr_t *dma_address); -/** * Initialize pool allocator. */ int ttm_page_alloc_init(struct ttm_mem_global *glob, unsigned max_pages); @@ -107,8 +78,8 @@ void ttm_dma_page_alloc_fini(void); */ extern int ttm_dma_page_alloc_debugfs(struct seq_file *m, void *data); -int ttm_dma_populate(struct ttm_tt *ttm, struct device *dev); -extern void ttm_dma_unpopulate(struct ttm_tt *ttm, struct device *dev); +extern int ttm_dma_populate(struct ttm_dma_tt *ttm_dma, struct device *dev); +extern void ttm_dma_unpopulate(struct ttm_dma_tt *ttm_dma, struct device *dev); #else static inline int ttm_dma_page_alloc_init(struct ttm_mem_global *glob, |