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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2010-11-29 13:52:18 -0500
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2011-01-27 16:02:31 -0500
commitf9820a46dd7888b05a36e81166fb1abcc47dcc3f (patch)
treec29e32a8fe8b08bc42120ce66c6536afd5c102df /include/drm/ttm/ttm_bo_driver.h
parente53beacd23d9cb47590da6a7a7f6d417b941a994 (diff)
downloadlinux-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_bo_driver.h')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h2
1 files changed, 2 insertions, 0 deletions
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 */