diff options
Diffstat (limited to 'drivers/gpu/drm/drm_gem.c')
-rw-r--r-- | drivers/gpu/drm/drm_gem.c | 39 |
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 | } |
463 | EXPORT_SYMBOL(drm_gem_object_free); | 463 | EXPORT_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 | */ | ||
471 | void | ||
472 | drm_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 | } | ||
485 | EXPORT_SYMBOL(drm_gem_object_free_unlocked); | ||
486 | |||
487 | static void drm_gem_object_ref_bug(struct kref *list_kref) | 465 | static 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 | */ |
499 | void | 477 | void drm_gem_object_handle_free(struct drm_gem_object *obj) |
500 | drm_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 | } |
532 | EXPORT_SYMBOL(drm_gem_vm_open); | 510 | EXPORT_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 | } |
540 | EXPORT_SYMBOL(drm_gem_vm_close); | 521 | EXPORT_SYMBOL(drm_gem_vm_close); |
541 | 522 | ||