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authorNicolai Hähnle <Nicolai.Haehnle@amd.com>2015-12-12 19:42:23 +0300
committerDave Airlie <airlied@redhat.com>2015-12-15 03:58:39 +0300
commiteb227c554ee68b6719c9298947f344e713fa712c (patch)
tree76ed6436fa099e806f15735c77f312536e5eca3c /include/drm
parent21de54b3c4d08d2b20e80876c6def0b421dfec2e (diff)
downloadlinux-eb227c554ee68b6719c9298947f344e713fa712c.tar.xz
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: Dave Airlie <airlied@redhat.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