[net-next-2.6.git] / drivers / gpu / drm / radeon / radeon_gem.c

/*
 * Copyright 2008 Advanced Micro Devices, Inc.
 * Copyright 2008 Red Hat Inc.
 * Copyright 2009 Jerome Glisse.
 *
 * 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
 *          Alex Deucher
 *          Jerome Glisse
 */
#include "drmP.h"
#include "drm.h"
#include "radeon_drm.h"
#include "radeon.h"

int radeon_gem_object_init(struct drm_gem_object *obj)
{
	/* we do nothings here */
	return 0;
}

void radeon_gem_object_free(struct drm_gem_object *gobj)
{
	struct radeon_bo *robj = gobj->driver_private;

	gobj->driver_private = NULL;
	if (robj) {
		radeon_bo_unref(&robj);
	}
}

int radeon_gem_object_create(struct radeon_device *rdev, int size,
				int alignment, int initial_domain,
				bool discardable, bool kernel,
				struct drm_gem_object **obj)
{
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r;

	*obj = NULL;
	gobj = drm_gem_object_alloc(rdev->ddev, size);
	if (!gobj) {
		return -ENOMEM;
	}
	/* At least align on page size */
	if (alignment < PAGE_SIZE) {
		alignment = PAGE_SIZE;
	}
	r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj);
	if (r) {
		if (r != -ERESTARTSYS)
			DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
				  size, initial_domain, alignment, r);
		mutex_lock(&rdev->ddev->struct_mutex);
		drm_gem_object_unreference(gobj);
		mutex_unlock(&rdev->ddev->struct_mutex);
		return r;
	}
	gobj->driver_private = robj;
	*obj = gobj;
	return 0;
}

int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
			  uint64_t *gpu_addr)
{
	struct radeon_bo *robj = obj->driver_private;
	int r;

	r = radeon_bo_reserve(robj, false);
	if (unlikely(r != 0))
		return r;
	r = radeon_bo_pin(robj, pin_domain, gpu_addr);
	radeon_bo_unreserve(robj);
	return r;
}

void radeon_gem_object_unpin(struct drm_gem_object *obj)
{
	struct radeon_bo *robj = obj->driver_private;
	int r;

	r = radeon_bo_reserve(robj, false);
	if (likely(r == 0)) {
		radeon_bo_unpin(robj);
		radeon_bo_unreserve(robj);
	}
}

int radeon_gem_set_domain(struct drm_gem_object *gobj,
			  uint32_t rdomain, uint32_t wdomain)
{
	struct radeon_bo *robj;
	uint32_t domain;
	int r;

	/* FIXME: reeimplement */
	robj = gobj->driver_private;
	/* work out where to validate the buffer to */
	domain = wdomain;
	if (!domain) {
		domain = rdomain;
	}
	if (!domain) {
		/* Do nothings */
		printk(KERN_WARNING "Set domain withou domain !\n");
		return 0;
	}
	if (domain == RADEON_GEM_DOMAIN_CPU) {
		/* Asking for cpu access wait for object idle */
		r = radeon_bo_wait(robj, NULL, false);
		if (r) {
			printk(KERN_ERR "Failed to wait for object !\n");
			return r;
		}
	}
	return 0;
}

int radeon_gem_init(struct radeon_device *rdev)
{
	INIT_LIST_HEAD(&rdev->gem.objects);
	return 0;
}

void radeon_gem_fini(struct radeon_device *rdev)
{
	radeon_bo_force_delete(rdev);
}


/*
 * GEM ioctls.
 */
int radeon_gem_info_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp)
{
	struct radeon_device *rdev = dev->dev_private;
	struct drm_radeon_gem_info *args = data;

	args->vram_size = rdev->mc.real_vram_size;
	args->vram_visible = rdev->mc.real_vram_size;
	if (rdev->stollen_vga_memory)
		args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
	if (rdev->fbdev_rbo)
		args->vram_visible -= radeon_bo_size(rdev->fbdev_rbo);
	args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
		RADEON_IB_POOL_SIZE*64*1024;
	return 0;
}

int radeon_gem_pread_ioctl(struct drm_device *dev, void *data,
			   struct drm_file *filp)
{
	/* TODO: implement */
	DRM_ERROR("unimplemented %s\n", __func__);
	return -ENOSYS;
}

int radeon_gem_pwrite_ioctl(struct drm_device *dev, void *data,
			    struct drm_file *filp)
{
	/* TODO: implement */
	DRM_ERROR("unimplemented %s\n", __func__);
	return -ENOSYS;
}

int radeon_gem_create_ioctl(struct drm_device *dev, void *data,
			    struct drm_file *filp)
{
	struct radeon_device *rdev = dev->dev_private;
	struct drm_radeon_gem_create *args = data;
	struct drm_gem_object *gobj;
	uint32_t handle;
	int r;

	/* create a gem object to contain this object in */
	args->size = roundup(args->size, PAGE_SIZE);
	r = radeon_gem_object_create(rdev, args->size, args->alignment,
					args->initial_domain, false,
					false, &gobj);
	if (r) {
		return r;
	}
	r = drm_gem_handle_create(filp, gobj, &handle);
	if (r) {
		mutex_lock(&dev->struct_mutex);
		drm_gem_object_unreference(gobj);
		mutex_unlock(&dev->struct_mutex);
		return r;
	}
	mutex_lock(&dev->struct_mutex);
	drm_gem_object_handle_unreference(gobj);
	mutex_unlock(&dev->struct_mutex);
	args->handle = handle;
	return 0;
}

int radeon_gem_set_domain_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp)
{
	/* transition the BO to a domain -
	 * just validate the BO into a certain domain */
	struct drm_radeon_gem_set_domain *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r;

	/* for now if someone requests domain CPU -
	 * just make sure the buffer is finished with */

	/* just do a BO wait for now */
	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		return -EINVAL;
	}
	robj = gobj->driver_private;

	r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);

	mutex_lock(&dev->struct_mutex);
	drm_gem_object_unreference(gobj);
	mutex_unlock(&dev->struct_mutex);
	return r;
}

int radeon_gem_mmap_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp)
{
	struct drm_radeon_gem_mmap *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;

	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		return -EINVAL;
	}
	robj = gobj->driver_private;
	args->addr_ptr = radeon_bo_mmap_offset(robj);
	mutex_lock(&dev->struct_mutex);
	drm_gem_object_unreference(gobj);
	mutex_unlock(&dev->struct_mutex);
	return 0;
}

int radeon_gem_busy_ioctl(struct drm_device *dev, void *data,
			  struct drm_file *filp)
{
	struct drm_radeon_gem_busy *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r;
	uint32_t cur_placement = 0;

	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		return -EINVAL;
	}
	robj = gobj->driver_private;
	r = radeon_bo_wait(robj, &cur_placement, true);
	switch (cur_placement) {
	case TTM_PL_VRAM:
		args->domain = RADEON_GEM_DOMAIN_VRAM;
		break;
	case TTM_PL_TT:
		args->domain = RADEON_GEM_DOMAIN_GTT;
		break;
	case TTM_PL_SYSTEM:
		args->domain = RADEON_GEM_DOMAIN_CPU;
	default:
		break;
	}
	mutex_lock(&dev->struct_mutex);
	drm_gem_object_unreference(gobj);
	mutex_unlock(&dev->struct_mutex);
	return r;
}

int radeon_gem_wait_idle_ioctl(struct drm_device *dev, void *data,
			      struct drm_file *filp)
{
	struct drm_radeon_gem_wait_idle *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r;

	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL) {
		return -EINVAL;
	}
	robj = gobj->driver_private;
	r = radeon_bo_wait(robj, NULL, false);
	/* callback hw specific functions if any */
	if (robj->rdev->asic->ioctl_wait_idle)
		robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
	mutex_lock(&dev->struct_mutex);
	drm_gem_object_unreference(gobj);
	mutex_unlock(&dev->struct_mutex);
	return r;
}

int radeon_gem_set_tiling_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp)
{
	struct drm_radeon_gem_set_tiling *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *robj;
	int r = 0;

	DRM_DEBUG("%d \n", args->handle);
	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL)
		return -EINVAL;
	robj = gobj->driver_private;
	r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
	mutex_lock(&dev->struct_mutex);
	drm_gem_object_unreference(gobj);
	mutex_unlock(&dev->struct_mutex);
	return r;
}

int radeon_gem_get_tiling_ioctl(struct drm_device *dev, void *data,
				struct drm_file *filp)
{
	struct drm_radeon_gem_get_tiling *args = data;
	struct drm_gem_object *gobj;
	struct radeon_bo *rbo;
	int r = 0;

	DRM_DEBUG("\n");
	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	if (gobj == NULL)
		return -EINVAL;
	rbo = gobj->driver_private;
	r = radeon_bo_reserve(rbo, false);
	if (unlikely(r != 0))
		goto out;
	radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
	radeon_bo_unreserve(rbo);
out:
	mutex_lock(&dev->struct_mutex);
	drm_gem_object_unreference(gobj);
	mutex_unlock(&dev->struct_mutex);
	return r;
}
Commit	Line	Data
771fe6b9 JG	1	/*
	2	* Copyright 2008 Advanced Micro Devices, Inc.
	3	* Copyright 2008 Red Hat Inc.
	4	* Copyright 2009 Jerome Glisse.
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a
	7	* copy of this software and associated documentation files (the "Software"),
	8	* to deal in the Software without restriction, including without limitation
	9	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	10	* and/or sell copies of the Software, and to permit persons to whom the
	11	* Software is furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	20	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	21	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	22	* OTHER DEALINGS IN THE SOFTWARE.
	23	*
	24	* Authors: Dave Airlie
	25	* Alex Deucher
	26	* Jerome Glisse
	27	*/
	28	#include "drmP.h"
	29	#include "drm.h"
	30	#include "radeon_drm.h"
	31	#include "radeon.h"
	32
	33	int radeon_gem_object_init(struct drm_gem_object *obj)
	34	{
	35	/* we do nothings here */
	36	return 0;
	37	}
	38
	39	void radeon_gem_object_free(struct drm_gem_object *gobj)
	40	{
4c788679	41	struct radeon_bo *robj = gobj->driver_private;
771fe6b9 JG	42
	43	gobj->driver_private = NULL;
	44	if (robj) {
4c788679	45	radeon_bo_unref(&robj);
771fe6b9 JG	46	}
	47	}
	48
	49	int radeon_gem_object_create(struct radeon_device *rdev, int size,
4c788679 JG	50	int alignment, int initial_domain,
	51	bool discardable, bool kernel,
	52	struct drm_gem_object **obj)
771fe6b9 JG	53	{
771fe6b9 JG	54	struct drm_gem_object *gobj;
4c788679	55	struct radeon_bo *robj;
771fe6b9 JG	56	int r;
	57
	58	*obj = NULL;
	59	gobj = drm_gem_object_alloc(rdev->ddev, size);
	60	if (!gobj) {
	61	return -ENOMEM;
	62	}
	63	/* At least align on page size */
	64	if (alignment < PAGE_SIZE) {
	65	alignment = PAGE_SIZE;
	66	}
4c788679	67	r = radeon_bo_create(rdev, gobj, size, kernel, initial_domain, &robj);
771fe6b9	68	if (r) {
ecabd32a DA	69	if (r != -ERESTARTSYS)
	70	DRM_ERROR("Failed to allocate GEM object (%d, %d, %u, %d)\n",
	71	size, initial_domain, alignment, r);
771fe6b9 JG	72	mutex_lock(&rdev->ddev->struct_mutex);
	73	drm_gem_object_unreference(gobj);
	74	mutex_unlock(&rdev->ddev->struct_mutex);
	75	return r;
	76	}
	77	gobj->driver_private = robj;
	78	*obj = gobj;
	79	return 0;
	80	}
	81
	82	int radeon_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
	83	uint64_t *gpu_addr)
	84	{
4c788679 JG	85	struct radeon_bo *robj = obj->driver_private;
4c788679 JG	86	int r;
771fe6b9	87
4c788679 JG	88	r = radeon_bo_reserve(robj, false);
	89	if (unlikely(r != 0))
	90	return r;
	91	r = radeon_bo_pin(robj, pin_domain, gpu_addr);
	92	radeon_bo_unreserve(robj);
	93	return r;
771fe6b9 JG	94	}
	95
	96	void radeon_gem_object_unpin(struct drm_gem_object *obj)
	97	{
4c788679 JG	98	struct radeon_bo *robj = obj->driver_private;
	99	int r;
	100
	101	r = radeon_bo_reserve(robj, false);
	102	if (likely(r == 0)) {
	103	radeon_bo_unpin(robj);
	104	radeon_bo_unreserve(robj);
	105	}
771fe6b9 JG	106	}
	107
	108	int radeon_gem_set_domain(struct drm_gem_object *gobj,
	109	uint32_t rdomain, uint32_t wdomain)
	110	{
4c788679	111	struct radeon_bo *robj;
771fe6b9 JG	112	uint32_t domain;
	113	int r;
	114
	115	/* FIXME: reeimplement */
	116	robj = gobj->driver_private;
	117	/* work out where to validate the buffer to */
	118	domain = wdomain;
	119	if (!domain) {
	120	domain = rdomain;
	121	}
	122	if (!domain) {
	123	/* Do nothings */
	124	printk(KERN_WARNING "Set domain withou domain !\n");
	125	return 0;
	126	}
	127	if (domain == RADEON_GEM_DOMAIN_CPU) {
	128	/* Asking for cpu access wait for object idle */
4c788679	129	r = radeon_bo_wait(robj, NULL, false);
771fe6b9 JG	130	if (r) {
	131	printk(KERN_ERR "Failed to wait for object !\n");
	132	return r;
	133	}
	134	}
	135	return 0;
	136	}
	137
	138	int radeon_gem_init(struct radeon_device *rdev)
	139	{
	140	INIT_LIST_HEAD(&rdev->gem.objects);
	141	return 0;
	142	}
	143
	144	void radeon_gem_fini(struct radeon_device *rdev)
	145	{
4c788679	146	radeon_bo_force_delete(rdev);
771fe6b9 JG	147	}
	148
	149
	150	/*
	151	* GEM ioctls.
	152	*/
	153	int radeon_gem_info_ioctl(struct drm_device dev, void data,
	154	struct drm_file *filp)
	155	{
	156	struct radeon_device *rdev = dev->dev_private;
	157	struct drm_radeon_gem_info *args = data;
	158
7a50f01a	159	args->vram_size = rdev->mc.real_vram_size;
38e14921 MD	160	args->vram_visible = rdev->mc.real_vram_size;
38e14921 MD	161	if (rdev->stollen_vga_memory)
4c788679 JG	162	args->vram_visible -= radeon_bo_size(rdev->stollen_vga_memory);
	163	if (rdev->fbdev_rbo)
	164	args->vram_visible -= radeon_bo_size(rdev->fbdev_rbo);
38e14921 MD	165	args->gart_size = rdev->mc.gtt_size - rdev->cp.ring_size - 4096 -
38e14921 MD	166	RADEON_IB_POOL_SIZE641024;
771fe6b9 JG	167	return 0;
	168	}
	169
	170	int radeon_gem_pread_ioctl(struct drm_device dev, void data,
	171	struct drm_file *filp)
	172	{
	173	/* TODO: implement */
	174	DRM_ERROR("unimplemented %s\n", __func__);
	175	return -ENOSYS;
	176	}
	177
	178	int radeon_gem_pwrite_ioctl(struct drm_device dev, void data,
	179	struct drm_file *filp)
	180	{
	181	/* TODO: implement */
	182	DRM_ERROR("unimplemented %s\n", __func__);
	183	return -ENOSYS;
	184	}
	185
	186	int radeon_gem_create_ioctl(struct drm_device dev, void data,
	187	struct drm_file *filp)
	188	{
	189	struct radeon_device *rdev = dev->dev_private;
	190	struct drm_radeon_gem_create *args = data;
	191	struct drm_gem_object *gobj;
	192	uint32_t handle;
	193	int r;
	194
	195	/* create a gem object to contain this object in */
	196	args->size = roundup(args->size, PAGE_SIZE);
	197	r = radeon_gem_object_create(rdev, args->size, args->alignment,
4c788679 JG	198	args->initial_domain, false,
4c788679 JG	199	false, &gobj);
771fe6b9 JG	200	if (r) {
	201	return r;
	202	}
	203	r = drm_gem_handle_create(filp, gobj, &handle);
	204	if (r) {
	205	mutex_lock(&dev->struct_mutex);
	206	drm_gem_object_unreference(gobj);
	207	mutex_unlock(&dev->struct_mutex);
	208	return r;
	209	}
	210	mutex_lock(&dev->struct_mutex);
	211	drm_gem_object_handle_unreference(gobj);
	212	mutex_unlock(&dev->struct_mutex);
	213	args->handle = handle;
	214	return 0;
	215	}
	216
	217	int radeon_gem_set_domain_ioctl(struct drm_device dev, void data,
	218	struct drm_file *filp)
	219	{
	220	/* transition the BO to a domain -
	221	* just validate the BO into a certain domain */
	222	struct drm_radeon_gem_set_domain *args = data;
	223	struct drm_gem_object *gobj;
4c788679	224	struct radeon_bo *robj;
771fe6b9 JG	225	int r;
	226
	227	/* for now if someone requests domain CPU -
	228	* just make sure the buffer is finished with */
	229
	230	/* just do a BO wait for now */
	231	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	232	if (gobj == NULL) {
	233	return -EINVAL;
	234	}
	235	robj = gobj->driver_private;
	236
	237	r = radeon_gem_set_domain(gobj, args->read_domains, args->write_domain);
	238
	239	mutex_lock(&dev->struct_mutex);
	240	drm_gem_object_unreference(gobj);
	241	mutex_unlock(&dev->struct_mutex);
	242	return r;
	243	}
	244
	245	int radeon_gem_mmap_ioctl(struct drm_device dev, void data,
	246	struct drm_file *filp)
	247	{
	248	struct drm_radeon_gem_mmap *args = data;
	249	struct drm_gem_object *gobj;
4c788679	250	struct radeon_bo *robj;
771fe6b9 JG	251
	252	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	253	if (gobj == NULL) {
	254	return -EINVAL;
	255	}
	256	robj = gobj->driver_private;
4c788679	257	args->addr_ptr = radeon_bo_mmap_offset(robj);
771fe6b9 JG	258	mutex_lock(&dev->struct_mutex);
	259	drm_gem_object_unreference(gobj);
	260	mutex_unlock(&dev->struct_mutex);
4c788679	261	return 0;
771fe6b9 JG	262	}
	263
	264	int radeon_gem_busy_ioctl(struct drm_device dev, void data,
	265	struct drm_file *filp)
	266	{
cefb87ef DA	267	struct drm_radeon_gem_busy *args = data;
cefb87ef DA	268	struct drm_gem_object *gobj;
4c788679	269	struct radeon_bo *robj;
cefb87ef	270	int r;
4361e52a	271	uint32_t cur_placement = 0;
cefb87ef DA	272
	273	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	274	if (gobj == NULL) {
	275	return -EINVAL;
	276	}
	277	robj = gobj->driver_private;
4c788679	278	r = radeon_bo_wait(robj, &cur_placement, true);
9f844e51 MD	279	switch (cur_placement) {
9f844e51 MD	280	case TTM_PL_VRAM:
cefb87ef	281	args->domain = RADEON_GEM_DOMAIN_VRAM;
9f844e51 MD	282	break;
9f844e51 MD	283	case TTM_PL_TT:
cefb87ef	284	args->domain = RADEON_GEM_DOMAIN_GTT;
9f844e51 MD	285	break;
9f844e51 MD	286	case TTM_PL_SYSTEM:
cefb87ef	287	args->domain = RADEON_GEM_DOMAIN_CPU;
9f844e51 MD	288	default:
	289	break;
	290	}
cefb87ef DA	291	mutex_lock(&dev->struct_mutex);
	292	drm_gem_object_unreference(gobj);
	293	mutex_unlock(&dev->struct_mutex);
e3b2415e	294	return r;
771fe6b9 JG	295	}
	296
	297	int radeon_gem_wait_idle_ioctl(struct drm_device dev, void data,
	298	struct drm_file *filp)
	299	{
	300	struct drm_radeon_gem_wait_idle *args = data;
	301	struct drm_gem_object *gobj;
4c788679	302	struct radeon_bo *robj;
771fe6b9 JG	303	int r;
	304
	305	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	306	if (gobj == NULL) {
	307	return -EINVAL;
	308	}
	309	robj = gobj->driver_private;
4c788679	310	r = radeon_bo_wait(robj, NULL, false);
062b389c JG	311	/* callback hw specific functions if any */
	312	if (robj->rdev->asic->ioctl_wait_idle)
	313	robj->rdev->asic->ioctl_wait_idle(robj->rdev, robj);
771fe6b9 JG	314	mutex_lock(&dev->struct_mutex);
	315	drm_gem_object_unreference(gobj);
	316	mutex_unlock(&dev->struct_mutex);
	317	return r;
	318	}
e024e110 DA	319
	320	int radeon_gem_set_tiling_ioctl(struct drm_device dev, void data,
	321	struct drm_file *filp)
	322	{
	323	struct drm_radeon_gem_set_tiling *args = data;
	324	struct drm_gem_object *gobj;
4c788679	325	struct radeon_bo *robj;
e024e110 DA	326	int r = 0;
	327
	328	DRM_DEBUG("%d \n", args->handle);
	329	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	330	if (gobj == NULL)
	331	return -EINVAL;
	332	robj = gobj->driver_private;
4c788679	333	r = radeon_bo_set_tiling_flags(robj, args->tiling_flags, args->pitch);
e024e110 DA	334	mutex_lock(&dev->struct_mutex);
	335	drm_gem_object_unreference(gobj);
	336	mutex_unlock(&dev->struct_mutex);
	337	return r;
	338	}
	339
	340	int radeon_gem_get_tiling_ioctl(struct drm_device dev, void data,
	341	struct drm_file *filp)
	342	{
	343	struct drm_radeon_gem_get_tiling *args = data;
	344	struct drm_gem_object *gobj;
4c788679	345	struct radeon_bo *rbo;
e024e110 DA	346	int r = 0;
	347
	348	DRM_DEBUG("\n");
	349	gobj = drm_gem_object_lookup(dev, filp, args->handle);
	350	if (gobj == NULL)
	351	return -EINVAL;
4c788679 JG	352	rbo = gobj->driver_private;
	353	r = radeon_bo_reserve(rbo, false);
	354	if (unlikely(r != 0))
51f07b7e	355	goto out;
4c788679 JG	356	radeon_bo_get_tiling_flags(rbo, &args->tiling_flags, &args->pitch);
4c788679 JG	357	radeon_bo_unreserve(rbo);
51f07b7e	358	out:
e024e110 DA	359	mutex_lock(&dev->struct_mutex);
	360	drm_gem_object_unreference(gobj);
	361	mutex_unlock(&dev->struct_mutex);
	362	return r;
	363	}