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5045 use atomic_{inc,dec}_* instead of atomic_add_*
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--- old/usr/src/uts/common/io/drm/drm_atomic.h
+++ new/usr/src/uts/common/io/drm/drm_atomic.h
1 1 /*
2 2 * Copyright 2009 Sun Microsystems, Inc. All rights reserved.
3 3 * Use is subject to license terms.
4 4 */
5 5 /*
6 6 * \file drm_atomic.h
7 7 * Atomic operations used in the DRM which may or may not be provided by the OS.
8 8 *
9 9 * \author Eric Anholt <anholt@FreeBSD.org>
10 10 */
11 11
12 12 /*
13 13 * Copyright 2004 Eric Anholt
14 14 * Copyright (c) 2009, Intel Corporation.
15 15 * All Rights Reserved.
16 16 *
17 17 * Permission is hereby granted, free of charge, to any person obtaining a
18 18 * copy of this software and associated documentation files (the "Software"),
19 19 * to deal in the Software without restriction, including without limitation
20 20 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
21 21 * and/or sell copies of the Software, and to permit persons to whom the
22 22 * Software is furnished to do so, subject to the following conditions:
23 23 *
24 24 * The above copyright notice and this permission notice (including the next
25 25 * paragraph) shall be included in all copies or substantial portions of the
26 26 * Software.
27 27 *
28 28 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
29 29 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
30 30 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
31 31 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
32 32 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
33 33 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
34 34 * OTHER DEALINGS IN THE SOFTWARE.
35 35 */
36 36
37 37 /* Many of these implementations are rather fake, but good enough. */
38 38
39 39
40 40
41 41 #ifndef _SYS_DRM_ATOMIC_H_
42 42 #define _SYS_DRM_ATOMIC_H_
43 43
44 44 #ifdef __cplusplus
45 45 extern "C" {
46 46 #endif
47 47
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48 48 #include <sys/atomic.h>
49 49
50 50 #ifdef __LINT__
51 51 #undef inline
52 52 #define inline
53 53 #endif
54 54 typedef uint32_t atomic_t;
55 55
56 56 #define atomic_set(p, v) (*(p) = (v))
57 57 #define atomic_read(p) (*(p))
58 -#define atomic_inc(p) atomic_add_int(p, 1)
58 +#define atomic_inc(p) atomic_inc_uint(p)
59 59 #define atomic_dec(p) atomic_dec_uint(p)
60 60 #define atomic_add(n, p) atomic_add_int(p, n)
61 61 #define atomic_sub(n, p) atomic_add_int(p, -n)
62 62 #define atomic_set_int(p, bits) atomic_or_uint(p, bits)
63 63 #define atomic_clear_int(p, bits) atomic_and_uint(p, ~(bits))
64 64 #define atomic_cmpset_int(p, c, n) \
65 65 ((c == atomic_cas_uint(p, c, n)) ? 1 : 0)
66 66
67 67 #define set_bit(b, p) \
68 68 atomic_set_int(((volatile uint_t *)(void *)p) + (b >> 5), \
69 69 1 << (b & 0x1f))
70 70
71 71 #define clear_bit(b, p) \
72 72 atomic_clear_int(((volatile uint_t *)(void *)p) + (b >> 5), \
73 73 1 << (b & 0x1f))
74 74
75 75 #define test_bit(b, p) \
76 76 (((volatile uint_t *)(void *)p)[b >> 5] & (1 << (b & 0x1f)))
77 77
78 78 /*
79 79 * Note: this routine doesn't return old value. It return
80 80 * 0 when succeeds, or -1 when fails.
81 81 */
82 82 #ifdef _LP64
83 83 #define test_and_set_bit(b, p) \
84 84 atomic_set_long_excl(((ulong_t *)(void *)p) + (b >> 6), (b & 0x3f))
85 85 #else
86 86 #define test_and_set_bit(b, p) \
87 87 atomic_set_long_excl(((ulong_t *)(void *)p) + (b >> 5), (b & 0x1f))
88 88 #endif
89 89
90 90 #ifdef __cplusplus
91 91 }
92 92 #endif
93 93
94 94 #endif /* _SYS_DRM_ATOMIC_H_ */
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