diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-08-29 14:52:02 +0200 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2006-08-29 14:52:02 +0200 |
| commit | 0dedfc2cd03f50b435476e56637b333d345fddbd (patch) | |
| tree | c0b4a12c85c6972a7b662343b907101302894933 /linux-core/drm_ttm.c | |
| parent | 279e8d26c6cf7347aa9cb6d50d025a41dff9a5be (diff) | |
Checkpoint ttm addition to buffer objects.
Diffstat (limited to 'linux-core/drm_ttm.c')
| -rw-r--r-- | linux-core/drm_ttm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/linux-core/drm_ttm.c b/linux-core/drm_ttm.c index 8cd0af61..e111070e 100644 --- a/linux-core/drm_ttm.c +++ b/linux-core/drm_ttm.c @@ -784,6 +784,16 @@ void drm_ttm_object_deref_locked(drm_device_t *dev, drm_ttm_object_t *to) } } +void drm_ttm_object_deref_unlocked(drm_device_t *dev, drm_ttm_object_t *to) +{ + if (atomic_dec_and_test(&to->usage)) { + mutex_lock(&dev->struct_mutex); + if (atomic_read(&to->usage) == 0) + drm_ttm_object_remove(dev, to); + mutex_unlock(&dev->struct_mutex); + } +} + /* * dev->struct_mutex locked. |