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authorNicolai Hähnle2015-12-12 11:42:23 -0500
committerAlex Deucher2015-12-18 17:29:48 -0500
commit6beb8201bbc41a50ccf2c3b0aecfc93c6d8be763 (patch)
tree96e8964313442a963272c3beb9b5430fb259e6b4 /include/drm
parent4e926d2db58244fca9845c78a5d6f873ac73795b (diff)
drm/ttm: fix documentation of ttm_bo_reserve
Previously, the comment was inconsistent. EDEADLK is what the ww_mutex mechanism really returns. Signed-off-by: Nicolai Hähnle <Nicolai.Haehnle@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/ttm/ttm_bo_driver.h4
1 files 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