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Use drm_gem_object_[handle_]unreference_unlocked where possible

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Mostly obvious simplifications.

The i915 pread/pwrite ioctls, intel_overlay_put_image and
nouveau_gem_new were incorrectly using the locked versions
without locking: this is also fixed in this patch.

Signed-off-by: Luca Barbieri <luca@luca-barbieri.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Luca Barbieri
2010-02-09 05:49:12 +00:00
committed by Dave Airlie
parent c3ae90c099
commit bc9025bdc4
15 changed files with 47 additions and 121 deletions
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21
drivers/gpu/drm/drm_gem.c
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@ -192,9 +192,7 @@ drm_gem_handle_delete(struct drm_file *filp, u32 handle)
idr_remove(&filp->object_idr, handle);
spin_unlock(&filp->table_lock);
mutex_lock(&dev->struct_mutex);
drm_gem_object_handle_unreference(obj);
mutex_unlock(&dev->struct_mutex);
drm_gem_object_handle_unreference_unlocked(obj);
return 0;
}
@ -325,9 +323,7 @@ again:
}
err:
mutex_lock(&dev->struct_mutex);
drm_gem_object_unreference(obj);
mutex_unlock(&dev->struct_mutex);
drm_gem_object_unreference_unlocked(obj);
return ret;
}
@ -358,9 +354,7 @@ drm_gem_open_ioctl(struct drm_device *dev, void *data,
return -ENOENT;
ret = drm_gem_handle_create(file_priv, obj, &handle);
mutex_lock(&dev->struct_mutex);
drm_gem_object_unreference(obj);
mutex_unlock(&dev->struct_mutex);
drm_gem_object_unreference_unlocked(obj);
if (ret)
return ret;
@ -390,7 +384,7 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
{
struct drm_gem_object *obj = ptr;
drm_gem_object_handle_unreference(obj);
drm_gem_object_handle_unreference_unlocked(obj);
return 0;
}
@ -403,12 +397,10 @@ drm_gem_object_release_handle(int id, void *ptr, void *data)
void
drm_gem_release(struct drm_device *dev, struct drm_file *file_private)
{
mutex_lock(&dev->struct_mutex);
idr_for_each(&file_private->object_idr,
&drm_gem_object_release_handle, NULL);
idr_destroy(&file_private->object_idr);
mutex_unlock(&dev->struct_mutex);
}
static void
@ -516,11 +508,8 @@ EXPORT_SYMBOL(drm_gem_vm_open);
void drm_gem_vm_close(struct vm_area_struct *vma)
{
struct drm_gem_object *obj = vma->vm_private_data;
struct drm_device *dev = obj->dev;
mutex_lock(&dev->struct_mutex);
drm_gem_object_unreference(obj);
mutex_unlock(&dev->struct_mutex);
drm_gem_object_unreference_unlocked(obj);
}
EXPORT_SYMBOL(drm_gem_vm_close);