1 /* basic set of prime tests between intel and nouveau */
2
3 /* test list -
4 1. share buffer from intel -> nouveau.
5 2. share buffer from nouveau -> intel
6 3. share intel->nouveau, map on both, write intel, read nouveau
7 4. share intel->nouveau, blit intel fill, readback on nouveau
8 test 1 + map buffer, read/write, map other size.
9 do some hw actions on the buffer
10 some illegal operations -
11 close prime fd try and map
12
13 TODO add some nouveau rendering tests
14 */
15
16
17 #include "igt.h"
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <unistd.h>
21 #include <fcntl.h>
22 #include <string.h>
23 #include <sys/stat.h>
24 #include <sys/ioctl.h>
25 #include <errno.h>
26
27 #include "xf86drm.h"
28 #include <xf86drmMode.h>
29
30 #include "intel_bufmgr.h"
31
32 int intel_fd = -1, udl_fd = -1;
33 drm_intel_bufmgr *bufmgr;
34 uint32_t devid;
35 struct intel_batchbuffer *intel_batch;
36
37 #define BO_SIZE (640*480*2)
38
find_and_open_devices(void)39 static int find_and_open_devices(void)
40 {
41 int i;
42 char path[80];
43 struct stat buf;
44 FILE *fl;
45 char vendor_id[8];
46 int venid;
47 for (i = 0; i < 9; i++) {
48 sprintf(path, "/sys/class/drm/card%d/device/vendor", i);
49 if (stat(path, &buf)) {
50 /* look for usb dev */
51 sprintf(path, "/sys/class/drm/card%d/device/idVendor", i);
52 if (stat(path, &buf))
53 break;
54 }
55
56 fl = fopen(path, "r");
57 if (!fl)
58 break;
59
60 igt_assert(fgets(vendor_id, 8, fl) != NULL);
61 fclose(fl);
62
63 venid = strtoul(vendor_id, NULL, 16);
64 sprintf(path, "/dev/dri/card%d", i);
65 if (venid == 0x8086) {
66 intel_fd = open(path, O_RDWR);
67 if (!intel_fd)
68 return -1;
69 } else if (venid == 0x17e9) {
70 udl_fd = open(path, O_RDWR);
71 if (!udl_fd)
72 return -1;
73 }
74 }
75 return 0;
76 }
77
dumb_bo_destroy(int fd,uint32_t handle)78 static int dumb_bo_destroy(int fd, uint32_t handle)
79 {
80
81 struct drm_mode_destroy_dumb arg;
82 int ret;
83 memset(&arg, 0, sizeof(arg));
84 arg.handle = handle;
85 ret = drmIoctl(fd, DRM_IOCTL_MODE_DESTROY_DUMB, &arg);
86 if (ret)
87 return -errno;
88 return 0;
89
90 }
91
92 /*
93 * simple share and import
94 */
test1(void)95 static int test1(void)
96 {
97 drm_intel_bo *test_intel_bo;
98 int prime_fd;
99 int ret;
100 uint32_t udl_handle;
101
102 test_intel_bo = drm_intel_bo_alloc(bufmgr, "test bo", BO_SIZE, 4096);
103
104 drm_intel_bo_gem_export_to_prime(test_intel_bo, &prime_fd);
105
106 ret = drmPrimeFDToHandle(udl_fd, prime_fd, &udl_handle);
107
108 dumb_bo_destroy(udl_fd, udl_handle);
109 drm_intel_bo_unreference(test_intel_bo);
110 return ret;
111 }
112
test2(void)113 static int test2(void)
114 {
115 drm_intel_bo *test_intel_bo;
116 uint32_t fb_id;
117 drmModeClip clip;
118 int prime_fd;
119 uint32_t udl_handle;
120 int ret;
121
122 test_intel_bo = drm_intel_bo_alloc(bufmgr, "test bo", BO_SIZE, 4096);
123
124 drm_intel_bo_gem_export_to_prime(test_intel_bo, &prime_fd);
125
126 ret = drmPrimeFDToHandle(udl_fd, prime_fd, &udl_handle);
127 if (ret)
128 goto out;
129
130 ret = drmModeAddFB(udl_fd, 640, 480, 16, 16, 640, udl_handle, &fb_id);
131 if (ret)
132 goto out;
133
134 clip.x1 = 0;
135 clip.y1 = 0;
136 clip.x2 = 10;
137 clip.y2 = 10;
138 ret = drmModeDirtyFB(udl_fd, fb_id, &clip, 1);
139 if (ret) {
140 return ret;
141 }
142 out:
143 dumb_bo_destroy(udl_fd, udl_handle);
144 drm_intel_bo_unreference(test_intel_bo);
145 return ret;
146 }
147
148 igt_simple_main
149 {
150 igt_skip_on_simulation();
151
152 igt_assert(find_and_open_devices() >= 0);
153
154 igt_skip_on(udl_fd == -1);
155 igt_skip_on(intel_fd == -1);
156
157 /* set up intel bufmgr */
158 bufmgr = drm_intel_bufmgr_gem_init(intel_fd, 4096);
159 drm_intel_bufmgr_gem_enable_reuse(bufmgr);
160
161 /* set up an intel batch buffer */
162 devid = intel_get_drm_devid(intel_fd);
163 intel_batch = intel_batchbuffer_alloc(bufmgr, devid);
164
165 /* create an object on the i915 */
166 igt_assert(test1() == 0);
167
168 igt_assert(test2() == 0);
169
170 intel_batchbuffer_free(intel_batch);
171
172 drm_intel_bufmgr_destroy(bufmgr);
173
174 close(intel_fd);
175 close(udl_fd);
176 }
177