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path: root/drivers/gpu/drm/drm_gem.c
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Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
-rw-r--r--drivers/gpu/drm/drm_gem.c39
1 files changed, 10 insertions, 29 deletions
diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c
index bf92d07510d..5663d271906 100644
--- a/drivers/gpu/drm/drm_gem.c
+++ b/drivers/gpu/drm/drm_gem.c
@@ -148,7 +148,7 @@ int drm_gem_object_init(struct drm_device *dev,
148 return -ENOMEM; 148 return -ENOMEM;
149 149
150 kref_init(&obj->refcount); 150 kref_init(&obj->refcount);
151 kref_init(&obj->handlecount); 151 atomic_set(&obj->handle_count, 0);
152 obj->size = size; 152 obj->size = size;
153 153
154 atomic_inc(&dev->object_count); 154 atomic_inc(&dev->object_count);
@@ -462,28 +462,6 @@ drm_gem_object_free(struct kref *kref)
462} 462}
463EXPORT_SYMBOL(drm_gem_object_free); 463EXPORT_SYMBOL(drm_gem_object_free);
464 464
465/**
466 * Called after the last reference to the object has been lost.
467 * Must be called without holding struct_mutex
468 *
469 * Frees the object
470 */
471void
472drm_gem_object_free_unlocked(struct kref *kref)
473{
474 struct drm_gem_object *obj = (struct drm_gem_object *) kref;
475 struct drm_device *dev = obj->dev;
476
477 if (dev->driver->gem_free_object_unlocked != NULL)
478 dev->driver->gem_free_object_unlocked(obj);
479 else if (dev->driver->gem_free_object != NULL) {
480 mutex_lock(&dev->struct_mutex);
481 dev->driver->gem_free_object(obj);
482 mutex_unlock(&dev->struct_mutex);
483 }
484}
485EXPORT_SYMBOL(drm_gem_object_free_unlocked);
486
487static void drm_gem_object_ref_bug(struct kref *list_kref) 465static void drm_gem_object_ref_bug(struct kref *list_kref)
488{ 466{
489 BUG(); 467 BUG();
@@ -496,12 +474,8 @@ static void drm_gem_object_ref_bug(struct kref *list_kref)
496 * called before drm_gem_object_free or we'll be touching 474 * called before drm_gem_object_free or we'll be touching
497 * freed memory 475 * freed memory
498 */ 476 */
499void 477void drm_gem_object_handle_free(struct drm_gem_object *obj)
500drm_gem_object_handle_free(struct kref *kref)
501{ 478{
502 struct drm_gem_object *obj = container_of(kref,
503 struct drm_gem_object,
504 handlecount);
505 struct drm_device *dev = obj->dev; 479 struct drm_device *dev = obj->dev;
506 480
507 /* Remove any name for this object */ 481 /* Remove any name for this object */
@@ -528,6 +502,10 @@ void drm_gem_vm_open(struct vm_area_struct *vma)
528 struct drm_gem_object *obj = vma->vm_private_data; 502 struct drm_gem_object *obj = vma->vm_private_data;
529 503
530 drm_gem_object_reference(obj); 504 drm_gem_object_reference(obj);
505
506 mutex_lock(&obj->dev->struct_mutex);
507 drm_vm_open_locked(vma);
508 mutex_unlock(&obj->dev->struct_mutex);
531} 509}
532EXPORT_SYMBOL(drm_gem_vm_open); 510EXPORT_SYMBOL(drm_gem_vm_open);
533 511
@@ -535,7 +513,10 @@ void drm_gem_vm_close(struct vm_area_struct *vma)
535{ 513{
536 struct drm_gem_object *obj = vma->vm_private_data; 514 struct drm_gem_object *obj = vma->vm_private_data;
537 515
538 drm_gem_object_unreference_unlocked(obj); 516 mutex_lock(&obj->dev->struct_mutex);
517 drm_vm_close_locked(vma);
518 drm_gem_object_unreference(obj);
519 mutex_unlock(&obj->dev->struct_mutex);
539} 520}
540EXPORT_SYMBOL(drm_gem_vm_close); 521EXPORT_SYMBOL(drm_gem_vm_close);
541 522