[deliverable/linux.git] / drivers / gpu / drm / drm_sman.c

/**************************************************************************
 *
 * Copyright 2006 Tungsten Graphics, Inc., Bismarck., ND., USA.
 * All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the
 * "Software"), to deal in the Software without restriction, including
 * without limitation the rights to use, copy, modify, merge, publish,
 * distribute, sub license, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to
 * the following conditions:
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 * USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * The above copyright notice and this permission notice (including the
 * next paragraph) shall be included in all copies or substantial portions
 * of the Software.
 *
 *
 **************************************************************************/
/*
 * Simple memory manager interface that keeps track on allocate regions on a
 * per "owner" basis. All regions associated with an "owner" can be released
 * with a simple call. Typically if the "owner" exists. The owner is any
 * "unsigned long" identifier. Can typically be a pointer to a file private
 * struct or a context identifier.
 *
 * Authors:
 * Thomas Hellström <thomas-at-tungstengraphics-dot-com>
 */

#include "drm_sman.h"

struct drm_owner_item {
	struct drm_hash_item owner_hash;
	struct list_head sman_list;
	struct list_head mem_blocks;
};

void drm_sman_takedown(struct drm_sman * sman)
{
	drm_ht_remove(&sman->user_hash_tab);
	drm_ht_remove(&sman->owner_hash_tab);
	kfree(sman->mm);
}

EXPORT_SYMBOL(drm_sman_takedown);

int
drm_sman_init(struct drm_sman * sman, unsigned int num_managers,
	      unsigned int user_order, unsigned int owner_order)
{
	int ret = 0;

	sman->mm = kcalloc(num_managers, sizeof(*sman->mm), GFP_KERNEL);
	if (!sman->mm) {
		ret = -ENOMEM;
		goto out;
	}
	sman->num_managers = num_managers;
	INIT_LIST_HEAD(&sman->owner_items);
	ret = drm_ht_create(&sman->owner_hash_tab, owner_order);
	if (ret)
		goto out1;
	ret = drm_ht_create(&sman->user_hash_tab, user_order);
	if (!ret)
		goto out;

	drm_ht_remove(&sman->owner_hash_tab);
out1:
	kfree(sman->mm);
out:
	return ret;
}

EXPORT_SYMBOL(drm_sman_init);

static void *drm_sman_mm_allocate(void *private, unsigned long size,
				  unsigned alignment)
{
	struct drm_mm *mm = (struct drm_mm *) private;
	struct drm_mm_node *tmp;

	tmp = drm_mm_search_free(mm, size, alignment, 1);
	if (!tmp) {
		return NULL;
	}
	tmp = drm_mm_get_block(tmp, size, alignment);
	return tmp;
}

static void drm_sman_mm_free(void *private, void *ref)
{
	struct drm_mm_node *node = (struct drm_mm_node *) ref;

	drm_mm_put_block(node);
}

static void drm_sman_mm_destroy(void *private)
{
	struct drm_mm *mm = (struct drm_mm *) private;
	drm_mm_takedown(mm);
	kfree(mm);
}

static unsigned long drm_sman_mm_offset(void *private, void *ref)
{
	struct drm_mm_node *node = (struct drm_mm_node *) ref;
	return node->start;
}

int
drm_sman_set_range(struct drm_sman * sman, unsigned int manager,
		   unsigned long start, unsigned long size)
{
	struct drm_sman_mm *sman_mm;
	struct drm_mm *mm;
	int ret;

	BUG_ON(manager >= sman->num_managers);

	sman_mm = &sman->mm[manager];
	mm = kzalloc(sizeof(*mm), GFP_KERNEL);
	if (!mm) {
		return -ENOMEM;
	}
	sman_mm->private = mm;
	ret = drm_mm_init(mm, start, size);

	if (ret) {
		kfree(mm);
		return ret;
	}

	sman_mm->allocate = drm_sman_mm_allocate;
	sman_mm->free = drm_sman_mm_free;
	sman_mm->destroy = drm_sman_mm_destroy;
	sman_mm->offset = drm_sman_mm_offset;

	return 0;
}

EXPORT_SYMBOL(drm_sman_set_range);

int
drm_sman_set_manager(struct drm_sman * sman, unsigned int manager,
		     struct drm_sman_mm * allocator)
{
	BUG_ON(manager >= sman->num_managers);
	sman->mm[manager] = *allocator;

	return 0;
}
EXPORT_SYMBOL(drm_sman_set_manager);

static struct drm_owner_item *drm_sman_get_owner_item(struct drm_sman * sman,
						 unsigned long owner)
{
	int ret;
	struct drm_hash_item *owner_hash_item;
	struct drm_owner_item *owner_item;

	ret = drm_ht_find_item(&sman->owner_hash_tab, owner, &owner_hash_item);
	if (!ret) {
		return drm_hash_entry(owner_hash_item, struct drm_owner_item,
				      owner_hash);
	}

	owner_item = kzalloc(sizeof(*owner_item), GFP_KERNEL);
	if (!owner_item)
		goto out;

	INIT_LIST_HEAD(&owner_item->mem_blocks);
	owner_item->owner_hash.key = owner;
	if (drm_ht_insert_item(&sman->owner_hash_tab, &owner_item->owner_hash))
		goto out1;

	list_add_tail(&owner_item->sman_list, &sman->owner_items);
	return owner_item;

out1:
	kfree(owner_item);
out:
	return NULL;
}

struct drm_memblock_item *drm_sman_alloc(struct drm_sman *sman, unsigned int manager,
				    unsigned long size, unsigned alignment,
				    unsigned long owner)
{
	void *tmp;
	struct drm_sman_mm *sman_mm;
	struct drm_owner_item *owner_item;
	struct drm_memblock_item *memblock;

	BUG_ON(manager >= sman->num_managers);

	sman_mm = &sman->mm[manager];
	tmp = sman_mm->allocate(sman_mm->private, size, alignment);

	if (!tmp) {
		return NULL;
	}

	memblock = kzalloc(sizeof(*memblock), GFP_KERNEL);

	if (!memblock)
		goto out;

	memblock->mm_info = tmp;
	memblock->mm = sman_mm;
	memblock->sman = sman;

	if (drm_ht_just_insert_please
	    (&sman->user_hash_tab, &memblock->user_hash,
	     (unsigned long)memblock, 32, 0, 0))
		goto out1;

	owner_item = drm_sman_get_owner_item(sman, owner);
	if (!owner_item)
		goto out2;

	list_add_tail(&memblock->owner_list, &owner_item->mem_blocks);

	return memblock;

out2:
	drm_ht_remove_item(&sman->user_hash_tab, &memblock->user_hash);
out1:
	kfree(memblock);
out:
	sman_mm->free(sman_mm->private, tmp);

	return NULL;
}

EXPORT_SYMBOL(drm_sman_alloc);

static void drm_sman_free(struct drm_memblock_item *item)
{
	struct drm_sman *sman = item->sman;

	list_del(&item->owner_list);
	drm_ht_remove_item(&sman->user_hash_tab, &item->user_hash);
	item->mm->free(item->mm->private, item->mm_info);
	kfree(item);
}

int drm_sman_free_key(struct drm_sman *sman, unsigned int key)
{
	struct drm_hash_item *hash_item;
	struct drm_memblock_item *memblock_item;

	if (drm_ht_find_item(&sman->user_hash_tab, key, &hash_item))
		return -EINVAL;

	memblock_item = drm_hash_entry(hash_item, struct drm_memblock_item,
				       user_hash);
	drm_sman_free(memblock_item);
	return 0;
}

EXPORT_SYMBOL(drm_sman_free_key);

static void drm_sman_remove_owner(struct drm_sman *sman,
				  struct drm_owner_item *owner_item)
{
	list_del(&owner_item->sman_list);
	drm_ht_remove_item(&sman->owner_hash_tab, &owner_item->owner_hash);
	kfree(owner_item);
}

int drm_sman_owner_clean(struct drm_sman *sman, unsigned long owner)
{

	struct drm_hash_item *hash_item;
	struct drm_owner_item *owner_item;

	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {
		return -1;
	}

	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
	if (owner_item->mem_blocks.next == &owner_item->mem_blocks) {
		drm_sman_remove_owner(sman, owner_item);
		return -1;
	}

	return 0;
}

EXPORT_SYMBOL(drm_sman_owner_clean);

static void drm_sman_do_owner_cleanup(struct drm_sman *sman,
				      struct drm_owner_item *owner_item)
{
	struct drm_memblock_item *entry, *next;

	list_for_each_entry_safe(entry, next, &owner_item->mem_blocks,
				 owner_list) {
		drm_sman_free(entry);
	}
	drm_sman_remove_owner(sman, owner_item);
}

void drm_sman_owner_cleanup(struct drm_sman *sman, unsigned long owner)
{

	struct drm_hash_item *hash_item;
	struct drm_owner_item *owner_item;

	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {

		return;
	}

	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
	drm_sman_do_owner_cleanup(sman, owner_item);
}

EXPORT_SYMBOL(drm_sman_owner_cleanup);

void drm_sman_cleanup(struct drm_sman *sman)
{
	struct drm_owner_item *entry, *next;
	unsigned int i;
	struct drm_sman_mm *sman_mm;

	list_for_each_entry_safe(entry, next, &sman->owner_items, sman_list) {
		drm_sman_do_owner_cleanup(sman, entry);
	}
	if (sman->mm) {
		for (i = 0; i < sman->num_managers; ++i) {
			sman_mm = &sman->mm[i];
			if (sman_mm->private) {
				sman_mm->destroy(sman_mm->private);
				sman_mm->private = NULL;
			}
		}
	}
}

EXPORT_SYMBOL(drm_sman_cleanup);
Commit	Line	Data
3a1bd924 TH	1	/**************************************************************************
	2	*
	3	* Copyright 2006 Tungsten Graphics, Inc., Bismarck., ND., USA.
	4	* All Rights Reserved.
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a
	7	* copy of this software and associated documentation files (the
	8	* "Software"), to deal in the Software without restriction, including
	9	* without limitation the rights to use, copy, modify, merge, publish,
	10	* distribute, sub license, and/or sell copies of the Software, and to
	11	* permit persons to whom the Software is furnished to do so, subject to
	12	* the following conditions:
	13	*
	14	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	15	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	16	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
	18	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	19	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	20	* USE OR OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* The above copyright notice and this permission notice (including the
	23	* next paragraph) shall be included in all copies or substantial portions
	24	* of the Software.
	25	*
	26	*
	27	**************************************************************************/
	28	/*
	29	* Simple memory manager interface that keeps track on allocate regions on a
	30	* per "owner" basis. All regions associated with an "owner" can be released
	31	* with a simple call. Typically if the "owner" exists. The owner is any
	32	* "unsigned long" identifier. Can typically be a pointer to a file private
	33	* struct or a context identifier.
	34	*
	35	* Authors:
96de0e25	36	* Thomas Hellström <thomas-at-tungstengraphics-dot-com>
3a1bd924 TH	37	*/
	38
	39	#include "drm_sman.h"
	40
e0be428e DA	41	struct drm_owner_item {
e0be428e DA	42	struct drm_hash_item owner_hash;
3a1bd924 TH	43	struct list_head sman_list;
3a1bd924 TH	44	struct list_head mem_blocks;
e0be428e	45	};
3a1bd924	46
9698b4db	47	void drm_sman_takedown(struct drm_sman * sman)
3a1bd924 TH	48	{
	49	drm_ht_remove(&sman->user_hash_tab);
	50	drm_ht_remove(&sman->owner_hash_tab);
9a298b2a	51	kfree(sman->mm);
3a1bd924 TH	52	}
	53
	54	EXPORT_SYMBOL(drm_sman_takedown);
	55
	56	int
9698b4db	57	drm_sman_init(struct drm_sman * sman, unsigned int num_managers,
3a1bd924 TH	58	unsigned int user_order, unsigned int owner_order)
	59	{
	60	int ret = 0;
	61
288db882	62	sman->mm = kcalloc(num_managers, sizeof(*sman->mm), GFP_KERNEL);
3a1bd924 TH	63	if (!sman->mm) {
	64	ret = -ENOMEM;
	65	goto out;
	66	}
	67	sman->num_managers = num_managers;
	68	INIT_LIST_HEAD(&sman->owner_items);
	69	ret = drm_ht_create(&sman->owner_hash_tab, owner_order);
	70	if (ret)
	71	goto out1;
	72	ret = drm_ht_create(&sman->user_hash_tab, user_order);
	73	if (!ret)
	74	goto out;
	75
	76	drm_ht_remove(&sman->owner_hash_tab);
	77	out1:
9a298b2a	78	kfree(sman->mm);
3a1bd924 TH	79	out:
	80	return ret;
	81	}
	82
	83	EXPORT_SYMBOL(drm_sman_init);
	84
	85	static void drm_sman_mm_allocate(void private, unsigned long size,
	86	unsigned alignment)
	87	{
55910517 DA	88	struct drm_mm mm = (struct drm_mm ) private;
55910517 DA	89	struct drm_mm_node *tmp;
3a1bd924	90
a1d0fcf5	91	tmp = drm_mm_search_free(mm, size, alignment, 1);
3a1bd924 TH	92	if (!tmp) {
	93	return NULL;
	94	}
	95	tmp = drm_mm_get_block(tmp, size, alignment);
	96	return tmp;
	97	}
	98
	99	static void drm_sman_mm_free(void private, void ref)
	100	{
55910517	101	struct drm_mm_node node = (struct drm_mm_node ) ref;
3a1bd924	102
1d58420b	103	drm_mm_put_block(node);
3a1bd924 TH	104	}
	105
	106	static void drm_sman_mm_destroy(void *private)
	107	{
55910517	108	struct drm_mm mm = (struct drm_mm ) private;
3a1bd924	109	drm_mm_takedown(mm);
9a298b2a	110	kfree(mm);
3a1bd924 TH	111	}
3a1bd924 TH	112
fb41e54b	113	static unsigned long drm_sman_mm_offset(void private, void ref)
3a1bd924	114	{
55910517	115	struct drm_mm_node node = (struct drm_mm_node ) ref;
3a1bd924 TH	116	return node->start;
	117	}
	118
	119	int
9698b4db	120	drm_sman_set_range(struct drm_sman * sman, unsigned int manager,
3a1bd924 TH	121	unsigned long start, unsigned long size)
3a1bd924 TH	122	{
9698b4db	123	struct drm_sman_mm *sman_mm;
55910517	124	struct drm_mm *mm;
3a1bd924 TH	125	int ret;
	126
	127	BUG_ON(manager >= sman->num_managers);
	128
	129	sman_mm = &sman->mm[manager];
9a298b2a	130	mm = kzalloc(sizeof(*mm), GFP_KERNEL);
3a1bd924 TH	131	if (!mm) {
	132	return -ENOMEM;
	133	}
	134	sman_mm->private = mm;
	135	ret = drm_mm_init(mm, start, size);
	136
	137	if (ret) {
9a298b2a	138	kfree(mm);
3a1bd924 TH	139	return ret;
	140	}
	141
	142	sman_mm->allocate = drm_sman_mm_allocate;
	143	sman_mm->free = drm_sman_mm_free;
	144	sman_mm->destroy = drm_sman_mm_destroy;
	145	sman_mm->offset = drm_sman_mm_offset;
	146
	147	return 0;
	148	}
	149
	150	EXPORT_SYMBOL(drm_sman_set_range);
	151
	152	int
9698b4db DA	153	drm_sman_set_manager(struct drm_sman * sman, unsigned int manager,
9698b4db DA	154	struct drm_sman_mm * allocator)
3a1bd924 TH	155	{
	156	BUG_ON(manager >= sman->num_managers);
	157	sman->mm[manager] = *allocator;
	158
	159	return 0;
	160	}
a1e85378	161	EXPORT_SYMBOL(drm_sman_set_manager);
3a1bd924	162
e0be428e	163	static struct drm_owner_item drm_sman_get_owner_item(struct drm_sman sman,
3a1bd924 TH	164	unsigned long owner)
	165	{
	166	int ret;
e0be428e DA	167	struct drm_hash_item *owner_hash_item;
e0be428e DA	168	struct drm_owner_item *owner_item;
3a1bd924 TH	169
	170	ret = drm_ht_find_item(&sman->owner_hash_tab, owner, &owner_hash_item);
	171	if (!ret) {
e0be428e	172	return drm_hash_entry(owner_hash_item, struct drm_owner_item,
3a1bd924 TH	173	owner_hash);
	174	}
	175
9a298b2a	176	owner_item = kzalloc(sizeof(*owner_item), GFP_KERNEL);
3a1bd924 TH	177	if (!owner_item)
	178	goto out;
	179
	180	INIT_LIST_HEAD(&owner_item->mem_blocks);
	181	owner_item->owner_hash.key = owner;
	182	if (drm_ht_insert_item(&sman->owner_hash_tab, &owner_item->owner_hash))
	183	goto out1;
	184
	185	list_add_tail(&owner_item->sman_list, &sman->owner_items);
	186	return owner_item;
	187
	188	out1:
9a298b2a	189	kfree(owner_item);
3a1bd924 TH	190	out:
	191	return NULL;
	192	}
	193
9698b4db	194	struct drm_memblock_item drm_sman_alloc(struct drm_sman sman, unsigned int manager,
3a1bd924 TH	195	unsigned long size, unsigned alignment,
	196	unsigned long owner)
	197	{
	198	void *tmp;
9698b4db	199	struct drm_sman_mm *sman_mm;
e0be428e	200	struct drm_owner_item *owner_item;
9698b4db	201	struct drm_memblock_item *memblock;
3a1bd924 TH	202
	203	BUG_ON(manager >= sman->num_managers);
	204
	205	sman_mm = &sman->mm[manager];
	206	tmp = sman_mm->allocate(sman_mm->private, size, alignment);
	207
	208	if (!tmp) {
	209	return NULL;
	210	}
	211
9a298b2a	212	memblock = kzalloc(sizeof(*memblock), GFP_KERNEL);
3a1bd924 TH	213
	214	if (!memblock)
	215	goto out;
	216
	217	memblock->mm_info = tmp;
	218	memblock->mm = sman_mm;
	219	memblock->sman = sman;
	220
	221	if (drm_ht_just_insert_please
	222	(&sman->user_hash_tab, &memblock->user_hash,
	223	(unsigned long)memblock, 32, 0, 0))
	224	goto out1;
	225
	226	owner_item = drm_sman_get_owner_item(sman, owner);
	227	if (!owner_item)
	228	goto out2;
	229
	230	list_add_tail(&memblock->owner_list, &owner_item->mem_blocks);
	231
	232	return memblock;
	233
	234	out2:
	235	drm_ht_remove_item(&sman->user_hash_tab, &memblock->user_hash);
	236	out1:
9a298b2a	237	kfree(memblock);
3a1bd924 TH	238	out:
	239	sman_mm->free(sman_mm->private, tmp);
	240
	241	return NULL;
	242	}
	243
	244	EXPORT_SYMBOL(drm_sman_alloc);
	245
9698b4db	246	static void drm_sman_free(struct drm_memblock_item *item)
3a1bd924	247	{
9698b4db	248	struct drm_sman *sman = item->sman;
3a1bd924 TH	249
	250	list_del(&item->owner_list);
	251	drm_ht_remove_item(&sman->user_hash_tab, &item->user_hash);
	252	item->mm->free(item->mm->private, item->mm_info);
9a298b2a	253	kfree(item);
3a1bd924 TH	254	}
3a1bd924 TH	255
9698b4db	256	int drm_sman_free_key(struct drm_sman *sman, unsigned int key)
3a1bd924	257	{
e0be428e	258	struct drm_hash_item *hash_item;
9698b4db	259	struct drm_memblock_item *memblock_item;
3a1bd924 TH	260
	261	if (drm_ht_find_item(&sman->user_hash_tab, key, &hash_item))
	262	return -EINVAL;
	263
9698b4db DA	264	memblock_item = drm_hash_entry(hash_item, struct drm_memblock_item,
9698b4db DA	265	user_hash);
3a1bd924 TH	266	drm_sman_free(memblock_item);
	267	return 0;
	268	}
	269
	270	EXPORT_SYMBOL(drm_sman_free_key);
	271
9698b4db	272	static void drm_sman_remove_owner(struct drm_sman *sman,
e0be428e	273	struct drm_owner_item *owner_item)
3a1bd924 TH	274	{
	275	list_del(&owner_item->sman_list);
	276	drm_ht_remove_item(&sman->owner_hash_tab, &owner_item->owner_hash);
9a298b2a	277	kfree(owner_item);
3a1bd924 TH	278	}
3a1bd924 TH	279
9698b4db	280	int drm_sman_owner_clean(struct drm_sman *sman, unsigned long owner)
3a1bd924 TH	281	{
3a1bd924 TH	282
e0be428e DA	283	struct drm_hash_item *hash_item;
e0be428e DA	284	struct drm_owner_item *owner_item;
3a1bd924 TH	285
	286	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {
	287	return -1;
	288	}
	289
e0be428e	290	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
3a1bd924 TH	291	if (owner_item->mem_blocks.next == &owner_item->mem_blocks) {
	292	drm_sman_remove_owner(sman, owner_item);
	293	return -1;
	294	}
	295
	296	return 0;
	297	}
	298
	299	EXPORT_SYMBOL(drm_sman_owner_clean);
	300
9698b4db	301	static void drm_sman_do_owner_cleanup(struct drm_sman *sman,
e0be428e	302	struct drm_owner_item *owner_item)
3a1bd924	303	{
9698b4db	304	struct drm_memblock_item entry, next;
3a1bd924 TH	305
	306	list_for_each_entry_safe(entry, next, &owner_item->mem_blocks,
	307	owner_list) {
	308	drm_sman_free(entry);
	309	}
	310	drm_sman_remove_owner(sman, owner_item);
	311	}
	312
9698b4db	313	void drm_sman_owner_cleanup(struct drm_sman *sman, unsigned long owner)
3a1bd924 TH	314	{
3a1bd924 TH	315
e0be428e DA	316	struct drm_hash_item *hash_item;
e0be428e DA	317	struct drm_owner_item *owner_item;
3a1bd924 TH	318
	319	if (drm_ht_find_item(&sman->owner_hash_tab, owner, &hash_item)) {
	320
	321	return;
	322	}
	323
e0be428e	324	owner_item = drm_hash_entry(hash_item, struct drm_owner_item, owner_hash);
3a1bd924 TH	325	drm_sman_do_owner_cleanup(sman, owner_item);
	326	}
	327
	328	EXPORT_SYMBOL(drm_sman_owner_cleanup);
	329
9698b4db	330	void drm_sman_cleanup(struct drm_sman *sman)
3a1bd924	331	{
e0be428e	332	struct drm_owner_item entry, next;
3a1bd924	333	unsigned int i;
9698b4db	334	struct drm_sman_mm *sman_mm;
3a1bd924 TH	335
	336	list_for_each_entry_safe(entry, next, &sman->owner_items, sman_list) {
	337	drm_sman_do_owner_cleanup(sman, entry);
	338	}
	339	if (sman->mm) {
	340	for (i = 0; i < sman->num_managers; ++i) {
	341	sman_mm = &sman->mm[i];
	342	if (sman_mm->private) {
	343	sman_mm->destroy(sman_mm->private);
	344	sman_mm->private = NULL;
	345	}
	346	}
	347	}
	348	}
	349
	350	EXPORT_SYMBOL(drm_sman_cleanup);