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| author | Nicolai Hähnle <Nicolai.Haehnle@amd.com> | 2015-12-12 17:42:23 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-12-15 01:58:39 +0100 |
| commit | eb227c554ee68b6719c9298947f344e713fa712c (patch) | |
| tree | 76ed6436fa099e806f15735c77f312536e5eca3c /include/drm | |
| parent | Merge tag 'drm-vc4-next-2015-12-11' of http://github.com/anholt/linux into dr... (diff) | |
| download | linux-eb227c554ee68b6719c9298947f344e713fa712c.tar.xz linux-eb227c554ee68b6719c9298947f344e713fa712c.zip | |
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.h | 4 |
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 |