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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 /drivers/gpu/drm/ttm/ttm_page_alloc.c | |
| parent | e53beacd23d9cb47590da6a7a7f6d417b941a994 (diff) | |
| download | op-kernel-dev-f9820a46dd7888b05a36e81166fb1abcc47dcc3f.zip op-kernel-dev-f9820a46dd7888b05a36e81166fb1abcc47dcc3f.tar.gz | |
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 'drivers/gpu/drm/ttm/ttm_page_alloc.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_page_alloc.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c index b1e02ff..9d9d929 100644 --- a/drivers/gpu/drm/ttm/ttm_page_alloc.c +++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c @@ -38,6 +38,7 @@ #include <linux/mm.h> #include <linux/seq_file.h> /* for seq_printf */ #include <linux/slab.h> +#include <linux/dma-mapping.h> #include <asm/atomic.h> @@ -662,7 +663,8 @@ out: * cached pages. */ int ttm_get_pages(struct list_head *pages, int flags, - enum ttm_caching_state cstate, unsigned count) + enum ttm_caching_state cstate, unsigned count, + dma_addr_t *dma_address) { struct ttm_page_pool *pool = ttm_get_pool(flags, cstate); struct page *p = NULL; @@ -720,7 +722,7 @@ int ttm_get_pages(struct list_head *pages, int flags, printk(KERN_ERR TTM_PFX "Failed to allocate extra pages " "for large request."); - ttm_put_pages(pages, 0, flags, cstate); + ttm_put_pages(pages, 0, flags, cstate, NULL); return r; } } @@ -731,7 +733,7 @@ int ttm_get_pages(struct list_head *pages, int flags, /* Put all pages in pages list to correct pool to wait for reuse */ 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) { unsigned long irq_flags; struct ttm_page_pool *pool = ttm_get_pool(flags, cstate); |
