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-rw-r--r--include/drm/ttm/ttm_bo_driver.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h
index 6dc4fccda73c..ebcd3dd7203b 100644
--- a/include/drm/ttm/ttm_bo_driver.h
+++ b/include/drm/ttm/ttm_bo_driver.h
@@ -50,13 +50,15 @@ struct ttm_backend_func {
* @pages: Array of pointers to ttm pages.
* @dummy_read_page: Page to be used instead of NULL pages in the
* array @pages.
+ * @dma_addrs: Array of DMA (bus) address of the ttm pages.
*
* Populate the backend with ttm pages. Depending on the backend,
* it may or may not copy the @pages array.
*/
int (*populate) (struct ttm_backend *backend,
unsigned long num_pages, struct page **pages,
- struct page *dummy_read_page);
+ struct page *dummy_read_page,
+ dma_addr_t *dma_addrs);
/**
* struct ttm_backend_func member clear
*
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