From f9820a46dd7888b05a36e81166fb1abcc47dcc3f Mon Sep 17 00:00:00 2001 From: Konrad Rzeszutek Wilk Date: Mon, 29 Nov 2010 13:52:18 -0500 Subject: 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 Signed-off-by: Konrad Rzeszutek Wilk Tested-by: Ian Campbell --- include/drm/ttm/ttm_bo_driver.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/drm/ttm/ttm_bo_driver.h') diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 8e0c848326b6..6dc4fccda73c 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -149,6 +149,7 @@ enum ttm_caching_state { * @swap_storage: Pointer to shmem struct file for swap storage. * @caching_state: The current caching state of the pages. * @state: The current binding state of the pages. + * @dma_address: The DMA (bus) addresses of the pages (if TTM_PAGE_FLAG_DMA32) * * This is a structure holding the pages, caching- and aperture binding * status for a buffer object that isn't backed by fixed (VRAM / AGP) @@ -173,6 +174,7 @@ struct ttm_tt { tt_unbound, tt_unpopulated, } state; + dma_addr_t *dma_address; }; #define TTM_MEMTYPE_FLAG_FIXED (1 << 0) /* Fixed (on-card) PCI memory */ -- cgit v1.2.3