WebSVN – Kolibri OS – Diff – /drivers/video/drm/ttm/ttm_memory.c


/**************************************************************************
 *
 * Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., 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 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 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.
 *
 **************************************************************************/
 
#define pr_fmt(fmt) "[TTM] " fmt
 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
#include 
 
#define TTM_MEMORY_ALLOC_RETRIES 4
 
 
int ttm_mem_global_init(struct ttm_mem_global *glob)
{
	int ret;
	int i;
 
	spin_lock_init(&glob->lock);
 
 
 
	ttm_page_alloc_init(glob, 4*1024);
 
	return 0;
out_no_zone:
	ttm_mem_global_release(glob);
	return ret;
}
EXPORT_SYMBOL(ttm_mem_global_init);
 
void ttm_mem_global_release(struct ttm_mem_global *glob)
{
	unsigned int i;
 
	/* let the page allocator first stop the shrink work. */
//	ttm_page_alloc_fini();
//	ttm_dma_page_alloc_fini();
 
 
}
 
 
void ttm_mem_global_free(struct ttm_mem_global *glob,
			 uint64_t amount)
{
 
}
EXPORT_SYMBOL(ttm_mem_global_free);
 
int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
			 bool no_wait, bool interruptible)
{
	/**
	 * Normal allocations of kernel memory are registered in
	 * all zones.
	 */
 
	return 0;
}
EXPORT_SYMBOL(ttm_mem_global_alloc);
 
size_t ttm_round_pot(size_t size)
{
	if ((size & (size - 1)) == 0)
		return size;
	else if (size > PAGE_SIZE)
		return PAGE_ALIGN(size);
	else {
		size_t tmp_size = 4;
 
		while (tmp_size < size)
			tmp_size <<= 1;
 
		return tmp_size;
	}
	return 0;
}
EXPORT_SYMBOL(ttm_round_pot);

Rev 5078	Rev 6296
1	/**************************************************************************	1	/**************************************************************************
2	*	2	*
3	* Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA	3	* Copyright (c) 2006-2009 VMware, Inc., Palo Alto, CA., USA
4	* All Rights Reserved.	4	* All Rights Reserved.
5	*	5	*
6	* Permission is hereby granted, free of charge, to any person obtaining a	6	* Permission is hereby granted, free of charge, to any person obtaining a
7	* copy of this software and associated documentation files (the	7	* copy of this software and associated documentation files (the
8	* "Software"), to deal in the Software without restriction, including	8	* "Software"), to deal in the Software without restriction, including
9	* without limitation the rights to use, copy, modify, merge, publish,	9	* without limitation the rights to use, copy, modify, merge, publish,
10	* distribute, sub license, and/or sell copies of the Software, and to	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	11	* permit persons to whom the Software is furnished to do so, subject to
12	* the following conditions:	12	* the following conditions:
13	*	13	*
14	* The above copyright notice and this permission notice (including the	14	* The above copyright notice and this permission notice (including the
15	* next paragraph) shall be included in all copies or substantial portions	15	* next paragraph) shall be included in all copies or substantial portions
16	* of the Software.	16	* of the Software.
17	*	17	*
18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR	18	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,	19	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL	20	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,	21	* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR	22	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE	23	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24	* USE OR OTHER DEALINGS IN THE SOFTWARE.	24	* USE OR OTHER DEALINGS IN THE SOFTWARE.
25	*	25	*
26	**************************************************************************/	26	**************************************************************************/
27		27
28	#define pr_fmt(fmt) "[TTM] " fmt	28	#define pr_fmt(fmt) "[TTM] " fmt
29		29
30	#include	30	#include
31	#include	31	#include
32	#include	32	#include
33	#include	33	#include
34	#include	34	#include
35	#include	35	#include
36	#include	36	#include
37	#include	37	#include
38	#include	38	#include
-		39
39		40	#define TTM_MEMORY_ALLOC_RETRIES 4
40		41
41		42
42	int ttm_mem_global_init(struct ttm_mem_global *glob)	43	int ttm_mem_global_init(struct ttm_mem_global *glob)
43	{	44	{
44	int ret;	45	int ret;
45	int i;	46	int i;
46		47
47	spin_lock_init(&glob->lock);	48	spin_lock_init(&glob->lock);
48		49
49		50
50		51
51	ttm_page_alloc_init(glob, 4*1024);	52	ttm_page_alloc_init(glob, 4*1024);
52		53
53	return 0;	54	return 0;
54	out_no_zone:	55	out_no_zone:
55	ttm_mem_global_release(glob);	56	ttm_mem_global_release(glob);
56	return ret;	57	return ret;
57	}	58	}
58	EXPORT_SYMBOL(ttm_mem_global_init);	59	EXPORT_SYMBOL(ttm_mem_global_init);
59		60
60	void ttm_mem_global_release(struct ttm_mem_global *glob)	61	void ttm_mem_global_release(struct ttm_mem_global *glob)
61	{	62	{
62	unsigned int i;	63	unsigned int i;
63		64
64	/* let the page allocator first stop the shrink work. */	65	/* let the page allocator first stop the shrink work. */
65	// ttm_page_alloc_fini();	66	// ttm_page_alloc_fini();
66	// ttm_dma_page_alloc_fini();	67	// ttm_dma_page_alloc_fini();
67		68
68		69
69	}	70	}
70	EXPORT_SYMBOL(ttm_mem_global_release);	-
-		71
-		72	void ttm_mem_global_free(struct ttm_mem_global *glob,
-		73	uint64_t amount)
-		74	{
-		75
-		76	}
-		77	EXPORT_SYMBOL(ttm_mem_global_free);
-		78
-		79	int ttm_mem_global_alloc(struct ttm_mem_global *glob, uint64_t memory,
-		80	bool no_wait, bool interruptible)
-		81	{
-		82	/**
-		83	* Normal allocations of kernel memory are registered in
-		84	* all zones.
-		85	*/
-		86
-		87	return 0;
71		88	}
72		89	EXPORT_SYMBOL(ttm_mem_global_alloc);
73		90
74	size_t ttm_round_pot(size_t size)	91	size_t ttm_round_pot(size_t size)
75	{	92	{
76	if ((size & (size - 1)) == 0)	93	if ((size & (size - 1)) == 0)
77	return size;	94	return size;
78	else if (size > PAGE_SIZE)	95	else if (size > PAGE_SIZE)
79	return PAGE_ALIGN(size);	96	return PAGE_ALIGN(size);
80	else {	97	else {
81	size_t tmp_size = 4;	98	size_t tmp_size = 4;
82		99
83	while (tmp_size < size)	100	while (tmp_size < size)
84	tmp_size <<= 1;	101	tmp_size <<= 1;
85		102
86	return tmp_size;	103	return tmp_size;
87	}	104	}
88	return 0;	105	return 0;
89	}	106	}
90	EXPORT_SYMBOL(ttm_round_pot);	107	EXPORT_SYMBOL(ttm_round_pot);

Subversion Repositories Kolibri OS

(root)/drivers/video/drm/ttm/ttm_memory.c – Rev 5078 → 6296