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a=rsa-sha256; c=relaxed/relaxed; d=amdcloud.onmicrosoft.com; s=selector2-amdcloud-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=47VkSyv4udZM1gWc9NA+dXSoLthTD9MtSIjHoJQogWI=; b=UpUVHSEdGYHlTcboN6JXxKB2T2kkeDF+ytErIY9rs6QPQ04b+YxKLhnMC8jq0Lz1zNiDUMHv+66OqZ3t5fueOWiZwrDnUz4xwlNod6PvCxtW05GByaUfTKYhVrGZVPuDgbuyIsV+2yMEmibFNSiTGYFxXmeGPA+KUO2PrvhYtZM= X-Mailman-Original-Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Ray.Huang@amd.com; X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Tuikov, Luben" , "Huang, Ray" , "Koenig, Christian" , "Liu, Aaron" Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" This patch is to add a helper to get corresponding buffer object with a pointer to a struct ttm_mem_reg. Signed-off-by: Huang Rui Reviewed-by: Alex Deucher --- include/drm/ttm/ttm_bo_driver.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index d69121c..264e6c3 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -786,6 +786,19 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo) reservation_object_unlock(bo->resv); } +/** + * ttm_mem_reg_to_bo + * + * @mem: A pointer to a struct ttm_mem_reg. + * + * Returns corresponding buffer object of the @mem. + */ +static inline +struct ttm_buffer_object *ttm_mem_reg_to_bo(struct ttm_mem_reg *mem) +{ + return container_of(mem, struct ttm_buffer_object, mem); +} + /* * ttm_bo_util.c */