diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_vma.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_vma.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_vma.h b/drivers/gpu/drm/i915/i915_vma.h index b3d2121be947..59dfe5246001 100644 --- a/drivers/gpu/drm/i915/i915_vma.h +++ b/drivers/gpu/drm/i915/i915_vma.h @@ -231,6 +231,14 @@ static inline struct i915_vma *i915_vma_get(struct i915_vma *vma) return vma; } +static inline struct i915_vma *i915_vma_tryget(struct i915_vma *vma) +{ + if (likely(kref_get_unless_zero(&vma->obj->base.refcount))) + return vma; + + return NULL; +} + static inline void i915_vma_put(struct i915_vma *vma) { i915_gem_object_put(vma->obj); |