1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*
* 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 "drmP.h"
#include "drm/drm.h"
#include "qxl_drv.h"
#include "qxl_object.h"
int qxl_gem_object_init(struct drm_gem_object *obj)
{
/* we do nothings here */
return 0;
}
void qxl_gem_object_free(struct drm_gem_object *gobj)
{
struct qxl_bo *qobj = gem_to_qxl_bo(gobj);
if (qobj)
qxl_bo_unref(&qobj);
}
int qxl_gem_object_create(struct qxl_device *qdev, int size,
int alignment, int initial_domain,
bool discardable, bool kernel,
struct qxl_surface *surf,
struct drm_gem_object **obj)
{
struct qxl_bo *qbo;
int r;
*obj = NULL;
/* At least align on page size */
if (alignment < PAGE_SIZE)
alignment = PAGE_SIZE;
r = qxl_bo_create(qdev, size, kernel, initial_domain, surf, &qbo);
if (r) {
if (r != -ERESTARTSYS)
DRM_ERROR(
"Failed to allocate GEM object (%d, %d, %u, %d)\n",
size, initial_domain, alignment, r);
return r;
}
*obj = &qbo->gem_base;
mutex_lock(&qdev->gem.mutex);
list_add_tail(&qbo->list, &qdev->gem.objects);
mutex_unlock(&qdev->gem.mutex);
return 0;
}
int qxl_gem_object_create_with_handle(struct qxl_device *qdev,
struct drm_file *file_priv,
u32 domain,
size_t size,
struct qxl_surface *surf,
struct qxl_bo **qobj,
uint32_t *handle)
{
struct drm_gem_object *gobj;
int r;
BUG_ON(!qobj);
BUG_ON(!handle);
r = qxl_gem_object_create(qdev, size, 0,
domain,
false, false, surf,
&gobj);
if (r)
return -ENOMEM;
r = drm_gem_handle_create(file_priv, gobj, handle);
if (r)
return r;
/* drop reference from allocate - handle holds it now */
*qobj = gem_to_qxl_bo(gobj);
drm_gem_object_unreference_unlocked(gobj);
return 0;
}
int qxl_gem_object_pin(struct drm_gem_object *obj, uint32_t pin_domain,
uint64_t *gpu_addr)
{
struct qxl_bo *qobj = obj->driver_private;
int r;
r = qxl_bo_reserve(qobj, false);
if (unlikely(r != 0))
return r;
r = qxl_bo_pin(qobj, pin_domain, gpu_addr);
qxl_bo_unreserve(qobj);
return r;
}
void qxl_gem_object_unpin(struct drm_gem_object *obj)
{
struct qxl_bo *qobj = obj->driver_private;
int r;
r = qxl_bo_reserve(qobj, false);
if (likely(r == 0)) {
qxl_bo_unpin(qobj);
qxl_bo_unreserve(qobj);
}
}
int qxl_gem_object_open(struct drm_gem_object *obj, struct drm_file *file_priv)
{
return 0;
}
void qxl_gem_object_close(struct drm_gem_object *obj,
struct drm_file *file_priv)
{
}
int qxl_gem_init(struct qxl_device *qdev)
{
INIT_LIST_HEAD(&qdev->gem.objects);
return 0;
}
void qxl_gem_fini(struct qxl_device *qdev)
{
qxl_bo_force_delete(qdev);
}
|
