C++ (Cpp) drm_mm_clean Examples

Example #1

File: ttm_bo_manager.c Project: CSCLOG/beaglebone

static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
{
	struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
	struct drm_mm *mm = &rman->mm;

	spin_lock(&rman->lock);
	if (drm_mm_clean(mm)) {
		drm_mm_takedown(mm);
		spin_unlock(&rman->lock);
		kfree(rman);
		man->priv = NULL;
		return 0;
	}
	spin_unlock(&rman->lock);
	return -EBUSY;
}

Example #2

File: amdgpu_vram_mgr.c Project: harlanstars/linux

/**
 * amdgpu_vram_mgr_fini - free and destroy VRAM manager
 *
 * @man: TTM memory type manager
 *
 * Destroy and free the VRAM manager, returns -EBUSY if ranges are still
 * allocated inside it.
 */
static int amdgpu_vram_mgr_fini(struct ttm_mem_type_manager *man)
{
	struct amdgpu_vram_mgr *mgr = man->priv;

	spin_lock(&mgr->lock);
	if (!drm_mm_clean(&mgr->mm)) {
		spin_unlock(&mgr->lock);
		return -EBUSY;
	}

	drm_mm_takedown(&mgr->mm);
	spin_unlock(&mgr->lock);
	kfree(mgr);
	man->priv = NULL;
	return 0;
}

Example #3

File: ttm_bo_manager.c Project: wan721/DragonFlyBSD

static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
{
	struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
	struct drm_mm *mm = &rman->mm;

	lockmgr(&rman->lock, LK_EXCLUSIVE);
	if (drm_mm_clean(mm)) {
		drm_mm_takedown(mm);
		lockmgr(&rman->lock, LK_RELEASE);
		kfree(rman);
		man->priv = NULL;
		return 0;
	}
	lockmgr(&rman->lock, LK_RELEASE);
	return -EBUSY;
}

Example #4

File: ttm_bo_manager.c Project: ele7enxxh/dtrace-pf

static int ttm_bo_man_takedown(struct ttm_mem_type_manager *man)
{
	struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
	struct drm_mm *mm = &rman->mm;

	mtx_lock(&rman->lock);
	if (drm_mm_clean(mm)) {
		drm_mm_takedown(mm);
		mtx_unlock(&rman->lock);
		mtx_destroy(&rman->lock);
		free(rman, M_TTM_RMAN);
		man->priv = NULL;
		return 0;
	}
	mtx_unlock(&rman->lock);
	return -EBUSY;
}

Example #5

File: ttm_bo.c Project: kvaneesh/linux-kvm

int ttm_bo_device_release(struct ttm_bo_device *bdev)
{
	int ret = 0;
	unsigned i = TTM_NUM_MEM_TYPES;
	struct ttm_mem_type_manager *man;
	struct ttm_bo_global *glob = bdev->glob;

	while (i--) {
		man = &bdev->man[i];
		if (man->has_type) {
			man->use_type = false;
			if ((i != TTM_PL_SYSTEM) && ttm_bo_clean_mm(bdev, i)) {
				ret = -EBUSY;
				printk(KERN_ERR TTM_PFX
				       "DRM memory manager type %d "
				       "is not clean.\n", i);
			}
			man->has_type = false;
		}
	}

	mutex_lock(&glob->device_list_mutex);
	list_del(&bdev->device_list);
	mutex_unlock(&glob->device_list_mutex);

	if (!cancel_delayed_work(&bdev->wq))
		flush_scheduled_work();

	while (ttm_bo_delayed_delete(bdev, true))
		;

	spin_lock(&glob->lru_lock);
	if (list_empty(&bdev->ddestroy))
		TTM_DEBUG("Delayed destroy list was clean\n");

	if (list_empty(&bdev->man[0].lru))
		TTM_DEBUG("Swap list was clean\n");
	spin_unlock(&glob->lru_lock);

	BUG_ON(!drm_mm_clean(&bdev->addr_space_mm));
	write_lock(&bdev->vm_lock);
	drm_mm_takedown(&bdev->addr_space_mm);
	write_unlock(&bdev->vm_lock);

	return ret;
}

Example #6

File: ttm_bo.c Project: kvaneesh/linux-kvm

int ttm_bo_clean_mm(struct ttm_bo_device *bdev, unsigned mem_type)
{
	struct ttm_bo_global *glob = bdev->glob;
	struct ttm_mem_type_manager *man;
	int ret = -EINVAL;

	if (mem_type >= TTM_NUM_MEM_TYPES) {
		printk(KERN_ERR TTM_PFX "Illegal memory type %d\n", mem_type);
		return ret;
	}
	man = &bdev->man[mem_type];

	if (!man->has_type) {
		printk(KERN_ERR TTM_PFX "Trying to take down uninitialized "
		       "memory manager type %u\n", mem_type);
		return ret;
	}

	man->use_type = false;
	man->has_type = false;

	ret = 0;
	if (mem_type > 0) {
		ttm_bo_force_list_clean(bdev, mem_type, false);

		spin_lock(&glob->lru_lock);
		if (drm_mm_clean(&man->manager))
			drm_mm_takedown(&man->manager);
		else
			ret = -EBUSY;

		spin_unlock(&glob->lru_lock);
	}

	return ret;
}