1*7688df22SAndroid Build Coastguard Worker /*
2*7688df22SAndroid Build Coastguard Worker * DRM based vblank test program
3*7688df22SAndroid Build Coastguard Worker * Copyright 2008 Tungsten Graphics
4*7688df22SAndroid Build Coastguard Worker * Jakob Bornecrantz <[email protected]>
5*7688df22SAndroid Build Coastguard Worker * Copyright 2008 Intel Corporation
6*7688df22SAndroid Build Coastguard Worker * Jesse Barnes <[email protected]>
7*7688df22SAndroid Build Coastguard Worker *
8*7688df22SAndroid Build Coastguard Worker * Permission is hereby granted, free of charge, to any person obtaining a
9*7688df22SAndroid Build Coastguard Worker * copy of this software and associated documentation files (the "Software"),
10*7688df22SAndroid Build Coastguard Worker * to deal in the Software without restriction, including without limitation
11*7688df22SAndroid Build Coastguard Worker * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12*7688df22SAndroid Build Coastguard Worker * and/or sell copies of the Software, and to permit persons to whom the
13*7688df22SAndroid Build Coastguard Worker * Software is furnished to do so, subject to the following conditions:
14*7688df22SAndroid Build Coastguard Worker *
15*7688df22SAndroid Build Coastguard Worker * The above copyright notice and this permission notice shall be included in
16*7688df22SAndroid Build Coastguard Worker * all copies or substantial portions of the Software.
17*7688df22SAndroid Build Coastguard Worker *
18*7688df22SAndroid Build Coastguard Worker * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19*7688df22SAndroid Build Coastguard Worker * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20*7688df22SAndroid Build Coastguard Worker * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
21*7688df22SAndroid Build Coastguard Worker * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
22*7688df22SAndroid Build Coastguard Worker * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
23*7688df22SAndroid Build Coastguard Worker * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
24*7688df22SAndroid Build Coastguard Worker * IN THE SOFTWARE.
25*7688df22SAndroid Build Coastguard Worker */
26*7688df22SAndroid Build Coastguard Worker
27*7688df22SAndroid Build Coastguard Worker #include <assert.h>
28*7688df22SAndroid Build Coastguard Worker #include <stdio.h>
29*7688df22SAndroid Build Coastguard Worker #include <stdlib.h>
30*7688df22SAndroid Build Coastguard Worker #include <stdint.h>
31*7688df22SAndroid Build Coastguard Worker #include <unistd.h>
32*7688df22SAndroid Build Coastguard Worker #include <string.h>
33*7688df22SAndroid Build Coastguard Worker #include <errno.h>
34*7688df22SAndroid Build Coastguard Worker #include <poll.h>
35*7688df22SAndroid Build Coastguard Worker #include <sys/time.h>
36*7688df22SAndroid Build Coastguard Worker #if HAVE_SYS_SELECT_H
37*7688df22SAndroid Build Coastguard Worker #include <sys/select.h>
38*7688df22SAndroid Build Coastguard Worker #endif
39*7688df22SAndroid Build Coastguard Worker
40*7688df22SAndroid Build Coastguard Worker #include "xf86drm.h"
41*7688df22SAndroid Build Coastguard Worker #include "xf86drmMode.h"
42*7688df22SAndroid Build Coastguard Worker
43*7688df22SAndroid Build Coastguard Worker #include "util/common.h"
44*7688df22SAndroid Build Coastguard Worker #include "util/kms.h"
45*7688df22SAndroid Build Coastguard Worker
46*7688df22SAndroid Build Coastguard Worker extern char *optarg;
47*7688df22SAndroid Build Coastguard Worker extern int optind, opterr, optopt;
48*7688df22SAndroid Build Coastguard Worker static char optstr[] = "D:M:s";
49*7688df22SAndroid Build Coastguard Worker
50*7688df22SAndroid Build Coastguard Worker int secondary = 0;
51*7688df22SAndroid Build Coastguard Worker
52*7688df22SAndroid Build Coastguard Worker struct vbl_info {
53*7688df22SAndroid Build Coastguard Worker unsigned int vbl_count;
54*7688df22SAndroid Build Coastguard Worker struct timeval start;
55*7688df22SAndroid Build Coastguard Worker };
56*7688df22SAndroid Build Coastguard Worker
vblank_handler(int fd,unsigned int frame,unsigned int sec,unsigned int usec,void * data)57*7688df22SAndroid Build Coastguard Worker static void vblank_handler(int fd, unsigned int frame, unsigned int sec,
58*7688df22SAndroid Build Coastguard Worker unsigned int usec, void *data)
59*7688df22SAndroid Build Coastguard Worker {
60*7688df22SAndroid Build Coastguard Worker drmVBlank vbl;
61*7688df22SAndroid Build Coastguard Worker struct timeval end;
62*7688df22SAndroid Build Coastguard Worker struct vbl_info *info = data;
63*7688df22SAndroid Build Coastguard Worker double t;
64*7688df22SAndroid Build Coastguard Worker
65*7688df22SAndroid Build Coastguard Worker vbl.request.type = DRM_VBLANK_RELATIVE | DRM_VBLANK_EVENT;
66*7688df22SAndroid Build Coastguard Worker if (secondary)
67*7688df22SAndroid Build Coastguard Worker vbl.request.type |= DRM_VBLANK_SECONDARY;
68*7688df22SAndroid Build Coastguard Worker vbl.request.sequence = 1;
69*7688df22SAndroid Build Coastguard Worker vbl.request.signal = (unsigned long)data;
70*7688df22SAndroid Build Coastguard Worker
71*7688df22SAndroid Build Coastguard Worker drmWaitVBlank(fd, &vbl);
72*7688df22SAndroid Build Coastguard Worker
73*7688df22SAndroid Build Coastguard Worker info->vbl_count++;
74*7688df22SAndroid Build Coastguard Worker
75*7688df22SAndroid Build Coastguard Worker if (info->vbl_count == 60) {
76*7688df22SAndroid Build Coastguard Worker gettimeofday(&end, NULL);
77*7688df22SAndroid Build Coastguard Worker t = end.tv_sec + end.tv_usec * 1e-6 -
78*7688df22SAndroid Build Coastguard Worker (info->start.tv_sec + info->start.tv_usec * 1e-6);
79*7688df22SAndroid Build Coastguard Worker fprintf(stderr, "freq: %.02fHz\n", info->vbl_count / t);
80*7688df22SAndroid Build Coastguard Worker info->vbl_count = 0;
81*7688df22SAndroid Build Coastguard Worker info->start = end;
82*7688df22SAndroid Build Coastguard Worker }
83*7688df22SAndroid Build Coastguard Worker }
84*7688df22SAndroid Build Coastguard Worker
usage(char * name)85*7688df22SAndroid Build Coastguard Worker static void usage(char *name)
86*7688df22SAndroid Build Coastguard Worker {
87*7688df22SAndroid Build Coastguard Worker fprintf(stderr, "usage: %s [-DMs]\n", name);
88*7688df22SAndroid Build Coastguard Worker fprintf(stderr, "\n");
89*7688df22SAndroid Build Coastguard Worker fprintf(stderr, "options:\n");
90*7688df22SAndroid Build Coastguard Worker fprintf(stderr, " -D DEVICE open the given device\n");
91*7688df22SAndroid Build Coastguard Worker fprintf(stderr, " -M MODULE open the given module\n");
92*7688df22SAndroid Build Coastguard Worker fprintf(stderr, " -s use secondary pipe\n");
93*7688df22SAndroid Build Coastguard Worker exit(0);
94*7688df22SAndroid Build Coastguard Worker }
95*7688df22SAndroid Build Coastguard Worker
main(int argc,char ** argv)96*7688df22SAndroid Build Coastguard Worker int main(int argc, char **argv)
97*7688df22SAndroid Build Coastguard Worker {
98*7688df22SAndroid Build Coastguard Worker const char *device = NULL, *module = NULL;
99*7688df22SAndroid Build Coastguard Worker int c, fd, ret;
100*7688df22SAndroid Build Coastguard Worker drmVBlank vbl;
101*7688df22SAndroid Build Coastguard Worker drmEventContext evctx;
102*7688df22SAndroid Build Coastguard Worker struct vbl_info handler_info;
103*7688df22SAndroid Build Coastguard Worker
104*7688df22SAndroid Build Coastguard Worker opterr = 0;
105*7688df22SAndroid Build Coastguard Worker while ((c = getopt(argc, argv, optstr)) != -1) {
106*7688df22SAndroid Build Coastguard Worker switch (c) {
107*7688df22SAndroid Build Coastguard Worker case 'D':
108*7688df22SAndroid Build Coastguard Worker device = optarg;
109*7688df22SAndroid Build Coastguard Worker break;
110*7688df22SAndroid Build Coastguard Worker case 'M':
111*7688df22SAndroid Build Coastguard Worker module = optarg;
112*7688df22SAndroid Build Coastguard Worker break;
113*7688df22SAndroid Build Coastguard Worker case 's':
114*7688df22SAndroid Build Coastguard Worker secondary = 1;
115*7688df22SAndroid Build Coastguard Worker break;
116*7688df22SAndroid Build Coastguard Worker default:
117*7688df22SAndroid Build Coastguard Worker usage(argv[0]);
118*7688df22SAndroid Build Coastguard Worker break;
119*7688df22SAndroid Build Coastguard Worker }
120*7688df22SAndroid Build Coastguard Worker }
121*7688df22SAndroid Build Coastguard Worker
122*7688df22SAndroid Build Coastguard Worker fd = util_open(device, module);
123*7688df22SAndroid Build Coastguard Worker if (fd < 0)
124*7688df22SAndroid Build Coastguard Worker return 1;
125*7688df22SAndroid Build Coastguard Worker
126*7688df22SAndroid Build Coastguard Worker /* Get current count first */
127*7688df22SAndroid Build Coastguard Worker vbl.request.type = DRM_VBLANK_RELATIVE;
128*7688df22SAndroid Build Coastguard Worker if (secondary)
129*7688df22SAndroid Build Coastguard Worker vbl.request.type |= DRM_VBLANK_SECONDARY;
130*7688df22SAndroid Build Coastguard Worker vbl.request.sequence = 0;
131*7688df22SAndroid Build Coastguard Worker ret = drmWaitVBlank(fd, &vbl);
132*7688df22SAndroid Build Coastguard Worker if (ret != 0) {
133*7688df22SAndroid Build Coastguard Worker printf("drmWaitVBlank (relative) failed ret: %i\n", ret);
134*7688df22SAndroid Build Coastguard Worker return -1;
135*7688df22SAndroid Build Coastguard Worker }
136*7688df22SAndroid Build Coastguard Worker
137*7688df22SAndroid Build Coastguard Worker printf("starting count: %d\n", vbl.request.sequence);
138*7688df22SAndroid Build Coastguard Worker
139*7688df22SAndroid Build Coastguard Worker handler_info.vbl_count = 0;
140*7688df22SAndroid Build Coastguard Worker gettimeofday(&handler_info.start, NULL);
141*7688df22SAndroid Build Coastguard Worker
142*7688df22SAndroid Build Coastguard Worker /* Queue an event for frame + 1 */
143*7688df22SAndroid Build Coastguard Worker vbl.request.type = DRM_VBLANK_RELATIVE | DRM_VBLANK_EVENT;
144*7688df22SAndroid Build Coastguard Worker if (secondary)
145*7688df22SAndroid Build Coastguard Worker vbl.request.type |= DRM_VBLANK_SECONDARY;
146*7688df22SAndroid Build Coastguard Worker vbl.request.sequence = 1;
147*7688df22SAndroid Build Coastguard Worker vbl.request.signal = (unsigned long)&handler_info;
148*7688df22SAndroid Build Coastguard Worker ret = drmWaitVBlank(fd, &vbl);
149*7688df22SAndroid Build Coastguard Worker if (ret != 0) {
150*7688df22SAndroid Build Coastguard Worker printf("drmWaitVBlank (relative, event) failed ret: %i\n", ret);
151*7688df22SAndroid Build Coastguard Worker return -1;
152*7688df22SAndroid Build Coastguard Worker }
153*7688df22SAndroid Build Coastguard Worker
154*7688df22SAndroid Build Coastguard Worker /* Set up our event handler */
155*7688df22SAndroid Build Coastguard Worker memset(&evctx, 0, sizeof evctx);
156*7688df22SAndroid Build Coastguard Worker evctx.version = DRM_EVENT_CONTEXT_VERSION;
157*7688df22SAndroid Build Coastguard Worker evctx.vblank_handler = vblank_handler;
158*7688df22SAndroid Build Coastguard Worker evctx.page_flip_handler = NULL;
159*7688df22SAndroid Build Coastguard Worker
160*7688df22SAndroid Build Coastguard Worker /* Poll for events */
161*7688df22SAndroid Build Coastguard Worker while (1) {
162*7688df22SAndroid Build Coastguard Worker struct timeval timeout = { .tv_sec = 3, .tv_usec = 0 };
163*7688df22SAndroid Build Coastguard Worker fd_set fds;
164*7688df22SAndroid Build Coastguard Worker
165*7688df22SAndroid Build Coastguard Worker FD_ZERO(&fds);
166*7688df22SAndroid Build Coastguard Worker FD_SET(0, &fds);
167*7688df22SAndroid Build Coastguard Worker FD_SET(fd, &fds);
168*7688df22SAndroid Build Coastguard Worker ret = select(fd + 1, &fds, NULL, NULL, &timeout);
169*7688df22SAndroid Build Coastguard Worker
170*7688df22SAndroid Build Coastguard Worker if (ret <= 0) {
171*7688df22SAndroid Build Coastguard Worker fprintf(stderr, "select timed out or error (ret %d)\n",
172*7688df22SAndroid Build Coastguard Worker ret);
173*7688df22SAndroid Build Coastguard Worker continue;
174*7688df22SAndroid Build Coastguard Worker } else if (FD_ISSET(0, &fds)) {
175*7688df22SAndroid Build Coastguard Worker break;
176*7688df22SAndroid Build Coastguard Worker }
177*7688df22SAndroid Build Coastguard Worker
178*7688df22SAndroid Build Coastguard Worker ret = drmHandleEvent(fd, &evctx);
179*7688df22SAndroid Build Coastguard Worker if (ret != 0) {
180*7688df22SAndroid Build Coastguard Worker printf("drmHandleEvent failed: %i\n", ret);
181*7688df22SAndroid Build Coastguard Worker return -1;
182*7688df22SAndroid Build Coastguard Worker }
183*7688df22SAndroid Build Coastguard Worker }
184*7688df22SAndroid Build Coastguard Worker
185*7688df22SAndroid Build Coastguard Worker return 0;
186*7688df22SAndroid Build Coastguard Worker }
187