diff options
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
| -rw-r--r-- | drivers/gpu/drm/drm_gem.c | 37 | 
1 files changed, 10 insertions, 27 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 3ea0692ce59..ea1c4b019eb 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -142,7 +142,7 @@ int drm_gem_object_init(struct drm_device *dev,  		return -ENOMEM;  	kref_init(&obj->refcount); -	kref_init(&obj->handlecount); +	atomic_set(&obj->handle_count, 0);  	obj->size = size;  	return 0; @@ -448,26 +448,6 @@ drm_gem_object_free(struct kref *kref)  }  EXPORT_SYMBOL(drm_gem_object_free); -/** - * Called after the last reference to the object has been lost. - * Must be called without holding struct_mutex - * - * Frees the object - */ -void -drm_gem_object_free_unlocked(struct kref *kref) -{ -	struct drm_gem_object *obj = (struct drm_gem_object *) kref; -	struct drm_device *dev = obj->dev; - -	if (dev->driver->gem_free_object != NULL) { -		mutex_lock(&dev->struct_mutex); -		dev->driver->gem_free_object(obj); -		mutex_unlock(&dev->struct_mutex); -	} -} -EXPORT_SYMBOL(drm_gem_object_free_unlocked); -  static void drm_gem_object_ref_bug(struct kref *list_kref)  {  	BUG(); @@ -480,12 +460,8 @@ static void drm_gem_object_ref_bug(struct kref *list_kref)   * called before drm_gem_object_free or we'll be touching   * freed memory   */ -void -drm_gem_object_handle_free(struct kref *kref) +void drm_gem_object_handle_free(struct drm_gem_object *obj)  { -	struct drm_gem_object *obj = container_of(kref, -						  struct drm_gem_object, -						  handlecount);  	struct drm_device *dev = obj->dev;  	/* Remove any name for this object */ @@ -512,6 +488,10 @@ void drm_gem_vm_open(struct vm_area_struct *vma)  	struct drm_gem_object *obj = vma->vm_private_data;  	drm_gem_object_reference(obj); + +	mutex_lock(&obj->dev->struct_mutex); +	drm_vm_open_locked(vma); +	mutex_unlock(&obj->dev->struct_mutex);  }  EXPORT_SYMBOL(drm_gem_vm_open); @@ -519,7 +499,10 @@ void drm_gem_vm_close(struct vm_area_struct *vma)  {  	struct drm_gem_object *obj = vma->vm_private_data; -	drm_gem_object_unreference_unlocked(obj); +	mutex_lock(&obj->dev->struct_mutex); +	drm_vm_close_locked(vma); +	drm_gem_object_unreference(obj); +	mutex_unlock(&obj->dev->struct_mutex);  }  EXPORT_SYMBOL(drm_gem_vm_close);  |