[linux-2.6-block.git] / include / drm / drm_memory_debug.h

/**
 * \file drm_memory_debug.h
 * Memory management wrappers for DRM.
 *
 * \author Rickard E. (Rik) Faith <faith@valinux.com>
 * \author Gareth Hughes <gareth@valinux.com>
 */

/*
 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
 * 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, 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 (including the next
 * paragraph) 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
 * VA LINUX SYSTEMS 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.
 */

#include "drmP.h"

typedef struct drm_mem_stats {
	const char *name;
	int succeed_count;
	int free_count;
	int fail_count;
	unsigned long bytes_allocated;
	unsigned long bytes_freed;
} drm_mem_stats_t;

static DEFINE_SPINLOCK(drm_mem_lock);
static unsigned long drm_ram_available = 0;	/* In pages */
static unsigned long drm_ram_used = 0;
static drm_mem_stats_t drm_mem_stats[] =
{
	[DRM_MEM_DMA] = {"dmabufs"},
	[DRM_MEM_SAREA] = {"sareas"},
	[DRM_MEM_DRIVER] = {"driver"},
	[DRM_MEM_MAGIC] = {"magic"},
	[DRM_MEM_IOCTLS] = {"ioctltab"},
	[DRM_MEM_MAPS] = {"maplist"},
	[DRM_MEM_VMAS] = {"vmalist"},
	[DRM_MEM_BUFS] = {"buflist"},
	[DRM_MEM_SEGS] = {"seglist"},
	[DRM_MEM_PAGES] = {"pagelist"},
	[DRM_MEM_FILES] = {"files"},
	[DRM_MEM_QUEUES] = {"queues"},
	[DRM_MEM_CMDS] = {"commands"},
	[DRM_MEM_MAPPINGS] = {"mappings"},
	[DRM_MEM_BUFLISTS] = {"buflists"},
	[DRM_MEM_AGPLISTS] = {"agplist"},
	[DRM_MEM_SGLISTS] = {"sglist"},
	[DRM_MEM_TOTALAGP] = {"totalagp"},
	[DRM_MEM_BOUNDAGP] = {"boundagp"},
	[DRM_MEM_CTXBITMAP] = {"ctxbitmap"},
	[DRM_MEM_CTXLIST] = {"ctxlist"},
	[DRM_MEM_STUB] = {"stub"},
	{NULL, 0,}		/* Last entry must be null */
};

void drm_mem_init (void) {
	drm_mem_stats_t *mem;
	struct sysinfo si;

	for (mem = drm_mem_stats; mem->name; ++mem) {
		mem->succeed_count = 0;
		mem->free_count = 0;
		mem->fail_count = 0;
		mem->bytes_allocated = 0;
		mem->bytes_freed = 0;
	}

	si_meminfo(&si);
	drm_ram_available = si.totalram;
	drm_ram_used = 0;
}

/* drm_mem_info is called whenever a process reads /dev/drm/mem. */

static int drm__mem_info (char *buf, char **start, off_t offset,
			   int request, int *eof, void *data) {
	drm_mem_stats_t *pt;
	int len = 0;

	if (offset > DRM_PROC_LIMIT) {
		*eof = 1;
		return 0;
	}

	*eof = 0;
	*start = &buf[offset];

	DRM_PROC_PRINT("		  total counts			"
		       " |    outstanding  \n");
	DRM_PROC_PRINT("type	   alloc freed fail	bytes	   freed"
		       " | allocs      bytes\n\n");
	DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB         |\n",
		       "system", 0, 0, 0,
		       drm_ram_available << (PAGE_SHIFT - 10));
	DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB         |\n",
		       "locked", 0, 0, 0, drm_ram_used >> 10);
	DRM_PROC_PRINT("\n");
	for (pt = drm_mem_stats; pt->name; pt++) {
		DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu | %6d %10ld\n",
			       pt->name,
			       pt->succeed_count,
			       pt->free_count,
			       pt->fail_count,
			       pt->bytes_allocated,
			       pt->bytes_freed,
			       pt->succeed_count - pt->free_count,
			       (long)pt->bytes_allocated
			       - (long)pt->bytes_freed);
	}

	if (len > request + offset)
		return request;
	*eof = 1;
	return len - offset;
}

int drm_mem_info (char *buf, char **start, off_t offset,
		   int len, int *eof, void *data) {
	int ret;

	spin_lock(&drm_mem_lock);
	ret = drm__mem_info (buf, start, offset, len, eof, data);
	spin_unlock(&drm_mem_lock);
	return ret;
}

void *drm_alloc (size_t size, int area) {
	void *pt;

	if (!size) {
		DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
		return NULL;
	}

	if (!(pt = kmalloc(size, GFP_KERNEL))) {
		spin_lock(&drm_mem_lock);
		++drm_mem_stats[area].fail_count;
		spin_unlock(&drm_mem_lock);
		return NULL;
	}
	spin_lock(&drm_mem_lock);
	++drm_mem_stats[area].succeed_count;
	drm_mem_stats[area].bytes_allocated += size;
	spin_unlock(&drm_mem_lock);
	return pt;
}

void *drm_calloc (size_t nmemb, size_t size, int area) {
	void *addr;

	addr = drm_alloc (nmemb * size, area);
	if (addr != NULL)
		memset((void *)addr, 0, size * nmemb);

	return addr;
}

void *drm_realloc (void *oldpt, size_t oldsize, size_t size, int area) {
	void *pt;

	if (!(pt = drm_alloc (size, area)))
		return NULL;
	if (oldpt && oldsize) {
		memcpy(pt, oldpt, oldsize);
		drm_free (oldpt, oldsize, area);
	}
	return pt;
}

void drm_free (void *pt, size_t size, int area) {
	int alloc_count;
	int free_count;

	if (!pt)
		DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
	else
		kfree(pt);
	spin_lock(&drm_mem_lock);
	drm_mem_stats[area].bytes_freed += size;
	free_count = ++drm_mem_stats[area].free_count;
	alloc_count = drm_mem_stats[area].succeed_count;
	spin_unlock(&drm_mem_lock);
	if (free_count > alloc_count) {
		DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
			      free_count, alloc_count);
	}
}

#if __OS_HAS_AGP

DRM_AGP_MEM *drm_alloc_agp (drm_device_t *dev, int pages, u32 type) {
	DRM_AGP_MEM *handle;

	if (!pages) {
		DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
		return NULL;
	}

	if ((handle = drm_agp_allocate_memory (pages, type))) {
		spin_lock(&drm_mem_lock);
		++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
		drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated
		    += pages << PAGE_SHIFT;
		spin_unlock(&drm_mem_lock);
		return handle;
	}
	spin_lock(&drm_mem_lock);
	++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count;
	spin_unlock(&drm_mem_lock);
	return NULL;
}

int drm_free_agp (DRM_AGP_MEM * handle, int pages) {
	int alloc_count;
	int free_count;
	int retval = -EINVAL;

	if (!handle) {
		DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
			      "Attempt to free NULL AGP handle\n");
		return retval;
	}

	if (drm_agp_free_memory (handle)) {
		spin_lock(&drm_mem_lock);
		free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count;
		alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
		drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed
		    += pages << PAGE_SHIFT;
		spin_unlock(&drm_mem_lock);
		if (free_count > alloc_count) {
			DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
				      "Excess frees: %d frees, %d allocs\n",
				      free_count, alloc_count);
		}
		return 0;
	}
	return retval;
}

int drm_bind_agp (DRM_AGP_MEM * handle, unsigned int start) {
	int retcode = -EINVAL;

	if (!handle) {
		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
			      "Attempt to bind NULL AGP handle\n");
		return retcode;
	}

	if (!(retcode = drm_agp_bind_memory (handle, start))) {
		spin_lock(&drm_mem_lock);
		++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
		drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated
		    += handle->page_count << PAGE_SHIFT;
		spin_unlock(&drm_mem_lock);
		return retcode;
	}
	spin_lock(&drm_mem_lock);
	++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count;
	spin_unlock(&drm_mem_lock);
	return retcode;
}

int drm_unbind_agp (DRM_AGP_MEM * handle) {
	int alloc_count;
	int free_count;
	int retcode = -EINVAL;

	if (!handle) {
		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
			      "Attempt to unbind NULL AGP handle\n");
		return retcode;
	}

	if ((retcode = drm_agp_unbind_memory (handle)))
		return retcode;
	spin_lock(&drm_mem_lock);
	free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count;
	alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
	drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed
	    += handle->page_count << PAGE_SHIFT;
	spin_unlock(&drm_mem_lock);
	if (free_count > alloc_count) {
		DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
			      "Excess frees: %d frees, %d allocs\n",
			      free_count, alloc_count);
	}
	return retcode;
}
#endif
Commit	Line	Data
1da177e4	1	/**
f0c408b5	2	* \file drm_memory_debug.h
1da177e4 LT	3	* Memory management wrappers for DRM.
	4	*
	5	* \author Rickard E. (Rik) Faith <faith@valinux.com>
	6	* \author Gareth Hughes <gareth@valinux.com>
	7	*/
	8
	9	/*
	10	* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
	11	* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
	12	* All Rights Reserved.
	13	*
	14	* Permission is hereby granted, free of charge, to any person obtaining a
	15	* copy of this software and associated documentation files (the "Software"),
	16	* to deal in the Software without restriction, including without limitation
	17	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	18	* and/or sell copies of the Software, and to permit persons to whom the
	19	* Software is furnished to do so, subject to the following conditions:
	20	*
	21	* The above copyright notice and this permission notice (including the next
	22	* paragraph) shall be included in all copies or substantial portions of the
	23	* Software.
	24	*
	25	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	26	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	27	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	28	* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	29	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	30	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	31	* OTHER DEALINGS IN THE SOFTWARE.
	32	*/
	33
1da177e4 LT	34	#include "drmP.h"
	35
	36	typedef struct drm_mem_stats {
b5e89ed5 DA	37	const char *name;
	38	int succeed_count;
	39	int free_count;
	40	int fail_count;
	41	unsigned long bytes_allocated;
	42	unsigned long bytes_freed;
1da177e4 LT	43	} drm_mem_stats_t;
1da177e4 LT	44
34af946a	45	static DEFINE_SPINLOCK(drm_mem_lock);
f0c408b5 DA	46	static unsigned long drm_ram_available = 0; /* In pages */
	47	static unsigned long drm_ram_used = 0;
	48	static drm_mem_stats_t drm_mem_stats[] =
b5e89ed5	49	{
f0c408b5 DA	50	[DRM_MEM_DMA] = {"dmabufs"},
	51	[DRM_MEM_SAREA] = {"sareas"},
	52	[DRM_MEM_DRIVER] = {"driver"},
	53	[DRM_MEM_MAGIC] = {"magic"},
	54	[DRM_MEM_IOCTLS] = {"ioctltab"},
	55	[DRM_MEM_MAPS] = {"maplist"},
	56	[DRM_MEM_VMAS] = {"vmalist"},
	57	[DRM_MEM_BUFS] = {"buflist"},
	58	[DRM_MEM_SEGS] = {"seglist"},
	59	[DRM_MEM_PAGES] = {"pagelist"},
	60	[DRM_MEM_FILES] = {"files"},
	61	[DRM_MEM_QUEUES] = {"queues"},
	62	[DRM_MEM_CMDS] = {"commands"},
	63	[DRM_MEM_MAPPINGS] = {"mappings"},
	64	[DRM_MEM_BUFLISTS] = {"buflists"},
	65	[DRM_MEM_AGPLISTS] = {"agplist"},
	66	[DRM_MEM_SGLISTS] = {"sglist"},
	67	[DRM_MEM_TOTALAGP] = {"totalagp"},
	68	[DRM_MEM_BOUNDAGP] = {"boundagp"},
	69	[DRM_MEM_CTXBITMAP] = {"ctxbitmap"},
	70	[DRM_MEM_CTXLIST] = {"ctxlist"},
	71	[DRM_MEM_STUB] = {"stub"},
	72	{NULL, 0,} /* Last entry must be null */
1da177e4 LT	73	};
1da177e4 LT	74
f0c408b5	75	void drm_mem_init (void) {
1da177e4	76	drm_mem_stats_t *mem;
b5e89ed5	77	struct sysinfo si;
1da177e4	78
f0c408b5	79	for (mem = drm_mem_stats; mem->name; ++mem) {
b5e89ed5 DA	80	mem->succeed_count = 0;
	81	mem->free_count = 0;
	82	mem->fail_count = 0;
1da177e4	83	mem->bytes_allocated = 0;
b5e89ed5	84	mem->bytes_freed = 0;
1da177e4 LT	85	}
	86
	87	si_meminfo(&si);
f0c408b5 DA	88	drm_ram_available = si.totalram;
f0c408b5 DA	89	drm_ram_used = 0;
1da177e4 LT	90	}
	91
	92	/* drm_mem_info is called whenever a process reads /dev/drm/mem. */
	93
f0c408b5	94	static int drm__mem_info (char buf, char *start, off_t offset,
b5e89ed5	95	int request, int eof, void data) {
1da177e4	96	drm_mem_stats_t *pt;
b5e89ed5	97	int len = 0;
1da177e4 LT	98
	99	if (offset > DRM_PROC_LIMIT) {
	100	*eof = 1;
	101	return 0;
	102	}
	103
b5e89ed5	104	*eof = 0;
1da177e4 LT	105	*start = &buf[offset];
	106
	107	DRM_PROC_PRINT(" total counts "
	108	" \| outstanding \n");
	109	DRM_PROC_PRINT("type alloc freed fail bytes freed"
	110	" \| allocs bytes\n\n");
	111	DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB \|\n",
	112	"system", 0, 0, 0,
f0c408b5	113	drm_ram_available << (PAGE_SHIFT - 10));
1da177e4	114	DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu kB \|\n",
f0c408b5	115	"locked", 0, 0, 0, drm_ram_used >> 10);
1da177e4	116	DRM_PROC_PRINT("\n");
f0c408b5	117	for (pt = drm_mem_stats; pt->name; pt++) {
1da177e4 LT	118	DRM_PROC_PRINT("%-9.9s %5d %5d %4d %10lu %10lu \| %6d %10ld\n",
	119	pt->name,
	120	pt->succeed_count,
	121	pt->free_count,
	122	pt->fail_count,
	123	pt->bytes_allocated,
	124	pt->bytes_freed,
	125	pt->succeed_count - pt->free_count,
	126	(long)pt->bytes_allocated
	127	- (long)pt->bytes_freed);
	128	}
	129
b5e89ed5 DA	130	if (len > request + offset)
b5e89ed5 DA	131	return request;
1da177e4 LT	132	*eof = 1;
	133	return len - offset;
	134	}
	135
f0c408b5	136	int drm_mem_info (char buf, char *start, off_t offset,
b5e89ed5	137	int len, int eof, void data) {
1da177e4 LT	138	int ret;
1da177e4 LT	139
f0c408b5 DA	140	spin_lock(&drm_mem_lock);
	141	ret = drm__mem_info (buf, start, offset, len, eof, data);
	142	spin_unlock(&drm_mem_lock);
1da177e4 LT	143	return ret;
	144	}
	145
f0c408b5	146	void *drm_alloc (size_t size, int area) {
1da177e4 LT	147	void *pt;
	148
	149	if (!size) {
	150	DRM_MEM_ERROR(area, "Allocating 0 bytes\n");
	151	return NULL;
	152	}
	153
	154	if (!(pt = kmalloc(size, GFP_KERNEL))) {
f0c408b5 DA	155	spin_lock(&drm_mem_lock);
	156	++drm_mem_stats[area].fail_count;
	157	spin_unlock(&drm_mem_lock);
1da177e4 LT	158	return NULL;
1da177e4 LT	159	}
f0c408b5 DA	160	spin_lock(&drm_mem_lock);
	161	++drm_mem_stats[area].succeed_count;
	162	drm_mem_stats[area].bytes_allocated += size;
	163	spin_unlock(&drm_mem_lock);
1da177e4 LT	164	return pt;
	165	}
	166
f0c408b5	167	void *drm_calloc (size_t nmemb, size_t size, int area) {
1da177e4 LT	168	void *addr;
1da177e4 LT	169
f0c408b5	170	addr = drm_alloc (nmemb * size, area);
1da177e4 LT	171	if (addr != NULL)
	172	memset((void )addr, 0, size nmemb);
	173
	174	return addr;
	175	}
	176
f0c408b5	177	void drm_realloc (void oldpt, size_t oldsize, size_t size, int area) {
1da177e4 LT	178	void *pt;
1da177e4 LT	179
f0c408b5	180	if (!(pt = drm_alloc (size, area)))
b5e89ed5	181	return NULL;
1da177e4 LT	182	if (oldpt && oldsize) {
1da177e4 LT	183	memcpy(pt, oldpt, oldsize);
f0c408b5	184	drm_free (oldpt, oldsize, area);
1da177e4 LT	185	}
	186	return pt;
	187	}
	188
f0c408b5	189	void drm_free (void *pt, size_t size, int area) {
1da177e4 LT	190	int alloc_count;
	191	int free_count;
	192
b5e89ed5 DA	193	if (!pt)
	194	DRM_MEM_ERROR(area, "Attempt to free NULL pointer\n");
	195	else
	196	kfree(pt);
f0c408b5 DA	197	spin_lock(&drm_mem_lock);
	198	drm_mem_stats[area].bytes_freed += size;
	199	free_count = ++drm_mem_stats[area].free_count;
	200	alloc_count = drm_mem_stats[area].succeed_count;
	201	spin_unlock(&drm_mem_lock);
1da177e4 LT	202	if (free_count > alloc_count) {
	203	DRM_MEM_ERROR(area, "Excess frees: %d frees, %d allocs\n",
	204	free_count, alloc_count);
	205	}
	206	}
	207
1da177e4 LT	208	#if __OS_HAS_AGP
1da177e4 LT	209
f0c408b5	210	DRM_AGP_MEM drm_alloc_agp (drm_device_t dev, int pages, u32 type) {
1da177e4 LT	211	DRM_AGP_MEM *handle;
	212
	213	if (!pages) {
	214	DRM_MEM_ERROR(DRM_MEM_TOTALAGP, "Allocating 0 pages\n");
	215	return NULL;
	216	}
	217
f0c408b5 DA	218	if ((handle = drm_agp_allocate_memory (pages, type))) {
	219	spin_lock(&drm_mem_lock);
	220	++drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
	221	drm_mem_stats[DRM_MEM_TOTALAGP].bytes_allocated
b5e89ed5	222	+= pages << PAGE_SHIFT;
f0c408b5	223	spin_unlock(&drm_mem_lock);
1da177e4 LT	224	return handle;
1da177e4 LT	225	}
f0c408b5 DA	226	spin_lock(&drm_mem_lock);
	227	++drm_mem_stats[DRM_MEM_TOTALAGP].fail_count;
	228	spin_unlock(&drm_mem_lock);
1da177e4 LT	229	return NULL;
	230	}
	231
f0c408b5	232	int drm_free_agp (DRM_AGP_MEM * handle, int pages) {
b5e89ed5 DA	233	int alloc_count;
	234	int free_count;
	235	int retval = -EINVAL;
1da177e4 LT	236
	237	if (!handle) {
	238	DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
	239	"Attempt to free NULL AGP handle\n");
	240	return retval;
	241	}
	242
f0c408b5 DA	243	if (drm_agp_free_memory (handle)) {
	244	spin_lock(&drm_mem_lock);
	245	free_count = ++drm_mem_stats[DRM_MEM_TOTALAGP].free_count;
	246	alloc_count = drm_mem_stats[DRM_MEM_TOTALAGP].succeed_count;
	247	drm_mem_stats[DRM_MEM_TOTALAGP].bytes_freed
b5e89ed5	248	+= pages << PAGE_SHIFT;
f0c408b5	249	spin_unlock(&drm_mem_lock);
1da177e4 LT	250	if (free_count > alloc_count) {
	251	DRM_MEM_ERROR(DRM_MEM_TOTALAGP,
	252	"Excess frees: %d frees, %d allocs\n",
	253	free_count, alloc_count);
	254	}
	255	return 0;
	256	}
	257	return retval;
	258	}
	259
f0c408b5	260	int drm_bind_agp (DRM_AGP_MEM * handle, unsigned int start) {
1da177e4 LT	261	int retcode = -EINVAL;
	262
	263	if (!handle) {
	264	DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
	265	"Attempt to bind NULL AGP handle\n");
	266	return retcode;
	267	}
	268
f0c408b5 DA	269	if (!(retcode = drm_agp_bind_memory (handle, start))) {
	270	spin_lock(&drm_mem_lock);
	271	++drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
	272	drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_allocated
b5e89ed5	273	+= handle->page_count << PAGE_SHIFT;
f0c408b5	274	spin_unlock(&drm_mem_lock);
1da177e4 LT	275	return retcode;
1da177e4 LT	276	}
f0c408b5 DA	277	spin_lock(&drm_mem_lock);
	278	++drm_mem_stats[DRM_MEM_BOUNDAGP].fail_count;
	279	spin_unlock(&drm_mem_lock);
1da177e4 LT	280	return retcode;
	281	}
	282
f0c408b5	283	int drm_unbind_agp (DRM_AGP_MEM * handle) {
1da177e4 LT	284	int alloc_count;
	285	int free_count;
	286	int retcode = -EINVAL;
	287
	288	if (!handle) {
	289	DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
	290	"Attempt to unbind NULL AGP handle\n");
	291	return retcode;
	292	}
	293
f0c408b5	294	if ((retcode = drm_agp_unbind_memory (handle)))
b5e89ed5	295	return retcode;
f0c408b5 DA	296	spin_lock(&drm_mem_lock);
	297	free_count = ++drm_mem_stats[DRM_MEM_BOUNDAGP].free_count;
	298	alloc_count = drm_mem_stats[DRM_MEM_BOUNDAGP].succeed_count;
	299	drm_mem_stats[DRM_MEM_BOUNDAGP].bytes_freed
b5e89ed5	300	+= handle->page_count << PAGE_SHIFT;
f0c408b5	301	spin_unlock(&drm_mem_lock);
1da177e4 LT	302	if (free_count > alloc_count) {
	303	DRM_MEM_ERROR(DRM_MEM_BOUNDAGP,
	304	"Excess frees: %d frees, %d allocs\n",
	305	free_count, alloc_count);
	306	}
	307	return retcode;
	308	}
	309	#endif