From eb227c554ee68b6719c9298947f344e713fa712c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Nicolai=20H=C3=A4hnle?= Date: Sat, 12 Dec 2015 11:42:23 -0500 Subject: [PATCH] drm/ttm: fix documentation of ttm_bo_reserve MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Previously, the comment was inconsistent. EDEADLK is what the ww_mutex mechanism really returns. Signed-off-by: Nicolai Hähnle Signed-off-by: Dave Airlie --- include/drm/ttm/ttm_bo_driver.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/drm/ttm/ttm_bo_driver.h b/include/drm/ttm/ttm_bo_driver.h index 813042cede57..3d4bf08aa21f 100644 --- a/include/drm/ttm/ttm_bo_driver.h +++ b/include/drm/ttm/ttm_bo_driver.h @@ -826,10 +826,10 @@ static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo, * reserved, the validation sequence is checked against the validation * sequence of the process currently reserving the buffer, * and if the current validation sequence is greater than that of the process - * holding the reservation, the function returns -EAGAIN. Otherwise it sleeps + * holding the reservation, the function returns -EDEADLK. Otherwise it sleeps * waiting for the buffer to become unreserved, after which it retries * reserving. - * The caller should, when receiving an -EAGAIN error + * The caller should, when receiving an -EDEADLK error * release all its buffer reservations, wait for @bo to become unreserved, and * then rerun the validation with the same validation sequence. This procedure * will always guarantee that the process with the lowest validation sequence -- 2.20.1