[deliverable/linux.git] / drivers / gpu / drm / qxl / qxl_object.c

/*
 * Copyright 2013 Red Hat Inc.
 *
 * 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, sublicense,
 * 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 above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * 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 NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) 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.
 *
 * Authors: Dave Airlie
 *          Alon Levy
 */

#include "qxl_drv.h"
#include "qxl_object.h"

#include <linux/io-mapping.h>
static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
{
	struct qxl_bo *bo;
	struct qxl_device *qdev;

	bo = container_of(tbo, struct qxl_bo, tbo);
	qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;

	qxl_surface_evict(qdev, bo, false);
	qxl_fence_fini(&bo->fence);
	mutex_lock(&qdev->gem.mutex);
	list_del_init(&bo->list);
	mutex_unlock(&qdev->gem.mutex);
	drm_gem_object_release(&bo->gem_base);
	kfree(bo);
}

bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo)
{
	if (bo->destroy == &qxl_ttm_bo_destroy)
		return true;
	return false;
}

void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
{
	u32 c = 0;
	u32 pflag = pinned ? TTM_PL_FLAG_NO_EVICT : 0;

	qbo->placement.fpfn = 0;
	qbo->placement.lpfn = 0;
	qbo->placement.placement = qbo->placements;
	qbo->placement.busy_placement = qbo->placements;
	if (domain == QXL_GEM_DOMAIN_VRAM)
		qbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_VRAM | pflag;
	if (domain == QXL_GEM_DOMAIN_SURFACE)
		qbo->placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_PRIV0 | pflag;
	if (domain == QXL_GEM_DOMAIN_CPU)
		qbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM | pflag;
	if (!c)
		qbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
	qbo->placement.num_placement = c;
	qbo->placement.num_busy_placement = c;
}


int qxl_bo_create(struct qxl_device *qdev,
		  unsigned long size, bool kernel, bool pinned, u32 domain,
		  struct qxl_surface *surf,
		  struct qxl_bo **bo_ptr)
{
	struct qxl_bo *bo;
	enum ttm_bo_type type;
	int r;

	if (unlikely(qdev->mman.bdev.dev_mapping == NULL))
		qdev->mman.bdev.dev_mapping = qdev->ddev->dev_mapping;
	if (kernel)
		type = ttm_bo_type_kernel;
	else
		type = ttm_bo_type_device;
	*bo_ptr = NULL;
	bo = kzalloc(sizeof(struct qxl_bo), GFP_KERNEL);
	if (bo == NULL)
		return -ENOMEM;
	size = roundup(size, PAGE_SIZE);
	r = drm_gem_object_init(qdev->ddev, &bo->gem_base, size);
	if (unlikely(r)) {
		kfree(bo);
		return r;
	}
	bo->gem_base.driver_private = NULL;
	bo->type = domain;
	bo->pin_count = pinned ? 1 : 0;
	bo->surface_id = 0;
	qxl_fence_init(qdev, &bo->fence);
	INIT_LIST_HEAD(&bo->list);

	if (surf)
		bo->surf = *surf;

	qxl_ttm_placement_from_domain(bo, domain, pinned);

	r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type,
			&bo->placement, 0, !kernel, NULL, size,
			NULL, &qxl_ttm_bo_destroy);
	if (unlikely(r != 0)) {
		if (r != -ERESTARTSYS)
			dev_err(qdev->dev,
				"object_init failed for (%lu, 0x%08X)\n",
				size, domain);
		return r;
	}
	*bo_ptr = bo;
	return 0;
}

int qxl_bo_kmap(struct qxl_bo *bo, void **ptr)
{
	bool is_iomem;
	int r;

	if (bo->kptr) {
		if (ptr)
			*ptr = bo->kptr;
		return 0;
	}
	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
	if (r)
		return r;
	bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
	if (ptr)
		*ptr = bo->kptr;
	return 0;
}

void *qxl_bo_kmap_atomic_page(struct qxl_device *qdev,
			      struct qxl_bo *bo, int page_offset)
{
	struct ttm_mem_type_manager *man = &bo->tbo.bdev->man[bo->tbo.mem.mem_type];
	void *rptr;
	int ret;
	struct io_mapping *map;

	if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
		map = qdev->vram_mapping;
	else if (bo->tbo.mem.mem_type == TTM_PL_PRIV0)
		map = qdev->surface_mapping;
	else
		goto fallback;

	(void) ttm_mem_io_lock(man, false);
	ret = ttm_mem_io_reserve(bo->tbo.bdev, &bo->tbo.mem);
	ttm_mem_io_unlock(man);

	return io_mapping_map_atomic_wc(map, bo->tbo.mem.bus.offset + page_offset);
fallback:
	if (bo->kptr) {
		rptr = bo->kptr + (page_offset * PAGE_SIZE);
		return rptr;
	}

	ret = qxl_bo_kmap(bo, &rptr);
	if (ret)
		return NULL;

	rptr += page_offset * PAGE_SIZE;
	return rptr;
}

void qxl_bo_kunmap(struct qxl_bo *bo)
{
	if (bo->kptr == NULL)
		return;
	bo->kptr = NULL;
	ttm_bo_kunmap(&bo->kmap);
}

void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev,
			       struct qxl_bo *bo, void *pmap)
{
	struct ttm_mem_type_manager *man = &bo->tbo.bdev->man[bo->tbo.mem.mem_type];
	struct io_mapping *map;

	if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
		map = qdev->vram_mapping;
	else if (bo->tbo.mem.mem_type == TTM_PL_PRIV0)
		map = qdev->surface_mapping;
	else
		goto fallback;

	io_mapping_unmap_atomic(pmap);

	(void) ttm_mem_io_lock(man, false);
	ttm_mem_io_free(bo->tbo.bdev, &bo->tbo.mem);
	ttm_mem_io_unlock(man);
	return ;
 fallback:
	qxl_bo_kunmap(bo);
}

void qxl_bo_unref(struct qxl_bo **bo)
{
	struct ttm_buffer_object *tbo;

	if ((*bo) == NULL)
		return;
	tbo = &((*bo)->tbo);
	ttm_bo_unref(&tbo);
	if (tbo == NULL)
		*bo = NULL;
}

struct qxl_bo *qxl_bo_ref(struct qxl_bo *bo)
{
	ttm_bo_reference(&bo->tbo);
	return bo;
}

int qxl_bo_pin(struct qxl_bo *bo, u32 domain, u64 *gpu_addr)
{
	struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
	int r;

	if (bo->pin_count) {
		bo->pin_count++;
		if (gpu_addr)
			*gpu_addr = qxl_bo_gpu_offset(bo);
		return 0;
	}
	qxl_ttm_placement_from_domain(bo, domain, true);
	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
	if (likely(r == 0)) {
		bo->pin_count = 1;
		if (gpu_addr != NULL)
			*gpu_addr = qxl_bo_gpu_offset(bo);
	}
	if (unlikely(r != 0))
		dev_err(qdev->dev, "%p pin failed\n", bo);
	return r;
}

int qxl_bo_unpin(struct qxl_bo *bo)
{
	struct qxl_device *qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
	int r, i;

	if (!bo->pin_count) {
		dev_warn(qdev->dev, "%p unpin not necessary\n", bo);
		return 0;
	}
	bo->pin_count--;
	if (bo->pin_count)
		return 0;
	for (i = 0; i < bo->placement.num_placement; i++)
		bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
	if (unlikely(r != 0))
		dev_err(qdev->dev, "%p validate failed for unpin\n", bo);
	return r;
}

void qxl_bo_force_delete(struct qxl_device *qdev)
{
	struct qxl_bo *bo, *n;

	if (list_empty(&qdev->gem.objects))
		return;
	dev_err(qdev->dev, "Userspace still has active objects !\n");
	list_for_each_entry_safe(bo, n, &qdev->gem.objects, list) {
		mutex_lock(&qdev->ddev->struct_mutex);
		dev_err(qdev->dev, "%p %p %lu %lu force free\n",
			&bo->gem_base, bo, (unsigned long)bo->gem_base.size,
			*((unsigned long *)&bo->gem_base.refcount));
		mutex_lock(&qdev->gem.mutex);
		list_del_init(&bo->list);
		mutex_unlock(&qdev->gem.mutex);
		/* this should unref the ttm bo */
		drm_gem_object_unreference(&bo->gem_base);
		mutex_unlock(&qdev->ddev->struct_mutex);
	}
}

int qxl_bo_init(struct qxl_device *qdev)
{
	return qxl_ttm_init(qdev);
}

void qxl_bo_fini(struct qxl_device *qdev)
{
	qxl_ttm_fini(qdev);
}

int qxl_bo_check_id(struct qxl_device *qdev, struct qxl_bo *bo)
{
	int ret;
	if (bo->type == QXL_GEM_DOMAIN_SURFACE && bo->surface_id == 0) {
		/* allocate a surface id for this surface now */
		ret = qxl_surface_id_alloc(qdev, bo);
		if (ret)
			return ret;

		ret = qxl_hw_surface_alloc(qdev, bo, NULL);
		if (ret)
			return ret;
	}
	return 0;
}

int qxl_surf_evict(struct qxl_device *qdev)
{
	return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_PRIV0);
}

int qxl_vram_evict(struct qxl_device *qdev)
{
	return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_VRAM);
}
Commit	Line	Data
f64122c1 DA	1	/*
	2	* Copyright 2013 Red Hat Inc.
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice shall be included in
	12	* all copies or substantial portions of the Software.
	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 NONINFRINGEMENT. IN NO EVENT SHALL
	17	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	18	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	19	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	20	* OTHER DEALINGS IN THE SOFTWARE.
	21	*
	22	* Authors: Dave Airlie
	23	* Alon Levy
	24	*/
	25
	26	#include "qxl_drv.h"
	27	#include "qxl_object.h"
	28
	29	#include <linux/io-mapping.h>
	30	static void qxl_ttm_bo_destroy(struct ttm_buffer_object *tbo)
	31	{
	32	struct qxl_bo *bo;
	33	struct qxl_device *qdev;
	34
	35	bo = container_of(tbo, struct qxl_bo, tbo);
	36	qdev = (struct qxl_device *)bo->gem_base.dev->dev_private;
	37
	38	qxl_surface_evict(qdev, bo, false);
	39	qxl_fence_fini(&bo->fence);
	40	mutex_lock(&qdev->gem.mutex);
	41	list_del_init(&bo->list);
	42	mutex_unlock(&qdev->gem.mutex);
	43	drm_gem_object_release(&bo->gem_base);
	44	kfree(bo);
	45	}
	46
	47	bool qxl_ttm_bo_is_qxl_bo(struct ttm_buffer_object *bo)
	48	{
	49	if (bo->destroy == &qxl_ttm_bo_destroy)
	50	return true;
	51	return false;
	52	}
	53
4f49ec92	54	void qxl_ttm_placement_from_domain(struct qxl_bo *qbo, u32 domain, bool pinned)
f64122c1 DA	55	{
f64122c1 DA	56	u32 c = 0;
4f49ec92	57	u32 pflag = pinned ? TTM_PL_FLAG_NO_EVICT : 0;
f64122c1 DA	58
	59	qbo->placement.fpfn = 0;
	60	qbo->placement.lpfn = 0;
	61	qbo->placement.placement = qbo->placements;
	62	qbo->placement.busy_placement = qbo->placements;
62c8ba7c	63	if (domain == QXL_GEM_DOMAIN_VRAM)
4f49ec92	64	qbo->placements[c++] = TTM_PL_FLAG_CACHED \| TTM_PL_FLAG_VRAM \| pflag;
62c8ba7c	65	if (domain == QXL_GEM_DOMAIN_SURFACE)
4f49ec92	66	qbo->placements[c++] = TTM_PL_FLAG_CACHED \| TTM_PL_FLAG_PRIV0 \| pflag;
62c8ba7c	67	if (domain == QXL_GEM_DOMAIN_CPU)
4f49ec92	68	qbo->placements[c++] = TTM_PL_MASK_CACHING \| TTM_PL_FLAG_SYSTEM \| pflag;
f64122c1 DA	69	if (!c)
	70	qbo->placements[c++] = TTM_PL_MASK_CACHING \| TTM_PL_FLAG_SYSTEM;
	71	qbo->placement.num_placement = c;
	72	qbo->placement.num_busy_placement = c;
	73	}
	74
	75
	76	int qxl_bo_create(struct qxl_device *qdev,
4f49ec92	77	unsigned long size, bool kernel, bool pinned, u32 domain,
f64122c1 DA	78	struct qxl_surface *surf,
	79	struct qxl_bo **bo_ptr)
	80	{
	81	struct qxl_bo *bo;
	82	enum ttm_bo_type type;
	83	int r;
	84
	85	if (unlikely(qdev->mman.bdev.dev_mapping == NULL))
	86	qdev->mman.bdev.dev_mapping = qdev->ddev->dev_mapping;
	87	if (kernel)
	88	type = ttm_bo_type_kernel;
	89	else
	90	type = ttm_bo_type_device;
	91	*bo_ptr = NULL;
	92	bo = kzalloc(sizeof(struct qxl_bo), GFP_KERNEL);
	93	if (bo == NULL)
	94	return -ENOMEM;
	95	size = roundup(size, PAGE_SIZE);
	96	r = drm_gem_object_init(qdev->ddev, &bo->gem_base, size);
	97	if (unlikely(r)) {
	98	kfree(bo);
	99	return r;
	100	}
	101	bo->gem_base.driver_private = NULL;
	102	bo->type = domain;
4f49ec92	103	bo->pin_count = pinned ? 1 : 0;
f64122c1 DA	104	bo->surface_id = 0;
	105	qxl_fence_init(qdev, &bo->fence);
	106	INIT_LIST_HEAD(&bo->list);
8002db63	107
f64122c1 DA	108	if (surf)
	109	bo->surf = *surf;
	110
4f49ec92	111	qxl_ttm_placement_from_domain(bo, domain, pinned);
f64122c1 DA	112
	113	r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type,
	114	&bo->placement, 0, !kernel, NULL, size,
	115	NULL, &qxl_ttm_bo_destroy);
	116	if (unlikely(r != 0)) {
	117	if (r != -ERESTARTSYS)
	118	dev_err(qdev->dev,
	119	"object_init failed for (%lu, 0x%08X)\n",
	120	size, domain);
	121	return r;
	122	}
	123	*bo_ptr = bo;
	124	return 0;
	125	}
	126
	127	int qxl_bo_kmap(struct qxl_bo bo, void *ptr)
	128	{
	129	bool is_iomem;
	130	int r;
	131
	132	if (bo->kptr) {
	133	if (ptr)
	134	*ptr = bo->kptr;
	135	return 0;
	136	}
	137	r = ttm_bo_kmap(&bo->tbo, 0, bo->tbo.num_pages, &bo->kmap);
	138	if (r)
	139	return r;
	140	bo->kptr = ttm_kmap_obj_virtual(&bo->kmap, &is_iomem);
	141	if (ptr)
	142	*ptr = bo->kptr;
	143	return 0;
	144	}
	145
	146	void qxl_bo_kmap_atomic_page(struct qxl_device qdev,
	147	struct qxl_bo *bo, int page_offset)
	148	{
	149	struct ttm_mem_type_manager *man = &bo->tbo.bdev->man[bo->tbo.mem.mem_type];
	150	void *rptr;
	151	int ret;
	152	struct io_mapping *map;
	153
	154	if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
	155	map = qdev->vram_mapping;
	156	else if (bo->tbo.mem.mem_type == TTM_PL_PRIV0)
	157	map = qdev->surface_mapping;
	158	else
	159	goto fallback;
	160
	161	(void) ttm_mem_io_lock(man, false);
	162	ret = ttm_mem_io_reserve(bo->tbo.bdev, &bo->tbo.mem);
	163	ttm_mem_io_unlock(man);
	164
	165	return io_mapping_map_atomic_wc(map, bo->tbo.mem.bus.offset + page_offset);
	166	fallback:
	167	if (bo->kptr) {
	168	rptr = bo->kptr + (page_offset * PAGE_SIZE);
	169	return rptr;
	170	}
	171
	172	ret = qxl_bo_kmap(bo, &rptr);
	173	if (ret)
	174	return NULL;
	175
176	rptr += page_offset * PAGE_SIZE;
177	return rptr;
178	}
179
180	void qxl_bo_kunmap(struct qxl_bo *bo)
181	{
182	if (bo->kptr == NULL)
183	return;
184	bo->kptr = NULL;
185	ttm_bo_kunmap(&bo->kmap);
186	}
187
188	void qxl_bo_kunmap_atomic_page(struct qxl_device *qdev,
189	struct qxl_bo bo, void pmap)
190	{
191	struct ttm_mem_type_manager *man = &bo->tbo.bdev->man[bo->tbo.mem.mem_type];
192	struct io_mapping *map;
193
194	if (bo->tbo.mem.mem_type == TTM_PL_VRAM)
195	map = qdev->vram_mapping;
196	else if (bo->tbo.mem.mem_type == TTM_PL_PRIV0)
197	map = qdev->surface_mapping;
198	else
199	goto fallback;
200
201	io_mapping_unmap_atomic(pmap);
202
203	(void) ttm_mem_io_lock(man, false);
204	ttm_mem_io_free(bo->tbo.bdev, &bo->tbo.mem);
205	ttm_mem_io_unlock(man);
206	return ;
207	fallback:
208	qxl_bo_kunmap(bo);
209	}
210
211	void qxl_bo_unref(struct qxl_bo **bo)
212	{
213	struct ttm_buffer_object *tbo;
214
215	if ((*bo) == NULL)
216	return;
217	tbo = &((*bo)->tbo);
218	ttm_bo_unref(&tbo);
219	if (tbo == NULL)
220	*bo = NULL;
221	}
222
223	struct qxl_bo qxl_bo_ref(struct qxl_bo bo)
224	{
225	ttm_bo_reference(&bo->tbo);
226	return bo;
227	}
228
229	int qxl_bo_pin(struct qxl_bo bo, u32 domain, u64 gpu_addr)
230	{
231	struct qxl_device qdev = (struct qxl_device )bo->gem_base.dev->dev_private;
4f49ec92	232	int r;
f64122c1 DA	233
	234	if (bo->pin_count) {
	235	bo->pin_count++;
	236	if (gpu_addr)
	237	*gpu_addr = qxl_bo_gpu_offset(bo);
	238	return 0;
	239	}
4f49ec92	240	qxl_ttm_placement_from_domain(bo, domain, true);
f64122c1 DA	241	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
	242	if (likely(r == 0)) {
	243	bo->pin_count = 1;
	244	if (gpu_addr != NULL)
	245	*gpu_addr = qxl_bo_gpu_offset(bo);
	246	}
	247	if (unlikely(r != 0))
	248	dev_err(qdev->dev, "%p pin failed\n", bo);
	249	return r;
	250	}
	251
	252	int qxl_bo_unpin(struct qxl_bo *bo)
	253	{
	254	struct qxl_device qdev = (struct qxl_device )bo->gem_base.dev->dev_private;
	255	int r, i;
	256
	257	if (!bo->pin_count) {
	258	dev_warn(qdev->dev, "%p unpin not necessary\n", bo);
	259	return 0;
	260	}
	261	bo->pin_count--;
	262	if (bo->pin_count)
	263	return 0;
	264	for (i = 0; i < bo->placement.num_placement; i++)
	265	bo->placements[i] &= ~TTM_PL_FLAG_NO_EVICT;
	266	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);
	267	if (unlikely(r != 0))
	268	dev_err(qdev->dev, "%p validate failed for unpin\n", bo);
	269	return r;
	270	}
	271
	272	void qxl_bo_force_delete(struct qxl_device *qdev)
	273	{
	274	struct qxl_bo bo, n;
	275
	276	if (list_empty(&qdev->gem.objects))
	277	return;
	278	dev_err(qdev->dev, "Userspace still has active objects !\n");
	279	list_for_each_entry_safe(bo, n, &qdev->gem.objects, list) {
	280	mutex_lock(&qdev->ddev->struct_mutex);
	281	dev_err(qdev->dev, "%p %p %lu %lu force free\n",
	282	&bo->gem_base, bo, (unsigned long)bo->gem_base.size,
	283	((unsigned long )&bo->gem_base.refcount));
	284	mutex_lock(&qdev->gem.mutex);
	285	list_del_init(&bo->list);
	286	mutex_unlock(&qdev->gem.mutex);
	287	/* this should unref the ttm bo */
	288	drm_gem_object_unreference(&bo->gem_base);
	289	mutex_unlock(&qdev->ddev->struct_mutex);
	290	}
	291	}
	292
	293	int qxl_bo_init(struct qxl_device *qdev)
	294	{
	295	return qxl_ttm_init(qdev);
	296	}
	297
	298	void qxl_bo_fini(struct qxl_device *qdev)
	299	{
	300	qxl_ttm_fini(qdev);
	301	}
	302
	303	int qxl_bo_check_id(struct qxl_device qdev, struct qxl_bo bo)
	304	{
305	int ret;
306	if (bo->type == QXL_GEM_DOMAIN_SURFACE && bo->surface_id == 0) {
307	/* allocate a surface id for this surface now */
308	ret = qxl_surface_id_alloc(qdev, bo);
309	if (ret)
310	return ret;
311
312	ret = qxl_hw_surface_alloc(qdev, bo, NULL);
313	if (ret)
314	return ret;
315	}
316	return 0;
317	}
318
b86487a6 DA	319	int qxl_surf_evict(struct qxl_device *qdev)
	320	{
	321	return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_PRIV0);
	322	}
d84300bf DA	323
	324	int qxl_vram_evict(struct qxl_device *qdev)
	325	{
	326	return ttm_bo_evict_mm(&qdev->mman.bdev, TTM_PL_VRAM);
	327	}