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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-01 13:58:31 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-01 13:58:31 -0400 |
| commit | 18ffe4b18cef097f789d3ff43b45f2938cebe241 (patch) | |
| tree | 59a23065256d235eb85a7afcd2d0efa628d16e9c /drivers/gpu/drm/drm_gem.c | |
| parent | b10c4d40b3e413a908072acc53dea13e90c39aff (diff) | |
| parent | abb295f3b3db602f91accf58b526b30b48673af1 (diff) | |
Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
vmwgfx: Fix fb VRAM pinning failure due to fragmentation
vmwgfx: Remove initialisation of dev::devname
vmwgfx: Enable use of the vblank system
vmwgfx: vt-switch (master drop) fixes
drm/vmwgfx: Fix breakage introduced by commit "drm: block userspace under allocating buffer and having drivers overwrite it (v2)"
drm: Hold the mutex when dropping the last GEM reference (v2)
drm/gem: handlecount isn't really a kref so don't make it one.
drm: i810/i830: fix locked ioctl variant
drm/radeon/kms: add quirk for MSI K9A2GM motherboard
drm/radeon/kms: fix potential segfault in r600_ioctl_wait_idle
drm: Prune GEM vma entries
drm/radeon/kms: fix up encoder info messages for DFP6
drm/radeon: fix PCI ID 5657 to be an RV410
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 bf92d07510df..5663d2719063 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 | ||
