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
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/*
* Copyright © 2012, 2013 Thierry Reding
* Copyright © 2013 Erik Faye-Lund
* Copyright © 2014 NVIDIA Corporation
*
* 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.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <poll.h>
#include "private.h"
struct drm_tegra_submit_cmd *
drm_tegra_job_add_command(struct drm_tegra_job *job, uint32_t type,
uint32_t flags)
{
struct drm_tegra_submit_cmd *commands, *command;
size_t size;
size = (job->num_commands + 1) * sizeof(*commands);
commands = realloc(job->commands, size);
if (!commands)
return NULL;
command = &commands[job->num_commands];
memset(command, 0, sizeof(*command));
command->type = type;
command->flags = flags;
job->commands = commands;
job->num_commands++;
return command;
}
drm_public int
drm_tegra_job_new(struct drm_tegra_channel *channel,
struct drm_tegra_job **jobp)
{
struct drm_tegra_job *job;
job = calloc(1, sizeof(*job));
if (!job)
return -ENOMEM;
job->page_size = sysconf(_SC_PAGESIZE);
job->channel = channel;
*jobp = job;
return 0;
}
drm_public int drm_tegra_job_free(struct drm_tegra_job *job)
{
if (!job)
return -EINVAL;
if (job->pushbuf)
drm_tegra_pushbuf_free(job->pushbuf);
if (job->commands)
free(job->commands);
if (job->buffers)
free(job->buffers);
free(job);
return 0;
}
drm_public int
drm_tegra_job_get_pushbuf(struct drm_tegra_job *job,
struct drm_tegra_pushbuf **pushbufp)
{
struct drm_tegra_pushbuf *pushbuf;
if (!job->pushbuf) {
pushbuf = calloc(1, sizeof(*pushbuf));
if (!pushbuf)
return -ENOMEM;
pushbuf->job = job;
pushbuf->start = calloc(1, job->page_size);
if (!pushbuf->start) {
free(pushbuf);
return -ENOMEM;
}
pushbuf->end = pushbuf->start + job->page_size / 4;
pushbuf->ptr = pushbuf->start;
job->pushbuf = pushbuf;
}
*pushbufp = job->pushbuf;
return 0;
}
drm_public int
drm_tegra_job_submit(struct drm_tegra_job *job, struct drm_tegra_fence *fence)
{
struct drm_tegra_channel *channel = job->channel;
struct drm_tegra *drm = channel->drm;
struct drm_tegra_channel_submit args;
int err;
memset(&args, 0, sizeof(args));
args.context = channel->context;
args.num_bufs = job->num_buffers;
args.num_cmds = job->num_commands;
args.gather_data_words = job->pushbuf->ptr - job->pushbuf->start;
args.syncpt.id = job->syncpt.id;
args.syncpt.increments = job->syncpt.increments;
args.bufs_ptr = (uintptr_t)job->buffers;
args.cmds_ptr = (uintptr_t)job->commands;
args.gather_data_ptr = (uintptr_t)job->pushbuf->start;
err = ioctl(drm->fd, DRM_IOCTL_TEGRA_CHANNEL_SUBMIT, &args);
if (err < 0)
return -errno;
job->syncpt.fence = args.syncpt.value;
if (fence) {
fence->drm = drm;
fence->syncpt = job->syncpt.id;
fence->value = job->syncpt.fence;
}
return 0;
}
drm_public int
drm_tegra_job_wait(struct drm_tegra_job *job, unsigned long timeout)
{
struct drm_tegra_channel *channel = job->channel;
struct drm_tegra *drm = channel->drm;
struct drm_tegra_syncpoint_wait args;
struct timespec ts;
int err;
clock_gettime(CLOCK_MONOTONIC, &ts);
memset(&args, 0, sizeof(args));
args.timeout_ns = ts.tv_sec * 1000000000 + ts.tv_nsec + timeout;
args.id = job->syncpt.id;
args.threshold = job->syncpt.fence;
err = ioctl(drm->fd, DRM_IOCTL_TEGRA_SYNCPOINT_WAIT, &args);
if (err < 0)
return -errno;
return 0;
}
|
