1 /*
2  * Copyright © 2017 Broadcom
3  *
4  * Permission is hereby granted, free of charge, to any person obtaining a
5  * copy of this software and associated documentation files (the "Software"),
6  * to deal in the Software without restriction, including without limitation
7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8  * and/or sell copies of the Software, and to permit persons to whom the
9  * Software is furnished to do so, subject to the following conditions:
10  *
11  * The above copyright notice and this permission notice (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #include "igt.h"
25 #include "igt_vc4.h"
26 #include <unistd.h>
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <fcntl.h>
31 #include <inttypes.h>
32 #include <errno.h>
33 #include <sys/stat.h>
34 #include <sys/ioctl.h>
35 #include <poll.h>
36 #include "vc4_drm.h"
37 
38 igt_main
39 {
40 	int fd;
41 
42 	igt_fixture
43 		fd = drm_open_driver(DRIVER_VC4);
44 
45 	igt_subtest("get-bad-handle") {
46 		struct drm_vc4_get_tiling get = {
47 			.handle = 0xd0d0d0d0,
48 		};
49 		do_ioctl_err(fd, DRM_IOCTL_VC4_GET_TILING, &get, ENOENT);
50 	}
51 
52 	igt_subtest("set-bad-handle") {
53 		struct drm_vc4_set_tiling set = {
54 			.handle = 0xd0d0d0d0,
55 			.modifier = DRM_FORMAT_MOD_NONE,
56 		};
57 		do_ioctl_err(fd, DRM_IOCTL_VC4_SET_TILING, &set, ENOENT);
58 	}
59 
60 	igt_subtest("get-bad-flags") {
61 		int bo = igt_vc4_create_bo(fd, 4096);
62 		struct drm_vc4_get_tiling get = {
63 			.handle = bo,
64 			.flags = 0xd0d0d0d0,
65 		};
66 		do_ioctl_err(fd, DRM_IOCTL_VC4_GET_TILING, &get, EINVAL);
67 		gem_close(fd, bo);
68 	}
69 
70 	igt_subtest("set-bad-flags") {
71 		int bo = igt_vc4_create_bo(fd, 4096);
72 		struct drm_vc4_set_tiling set = {
73 			.handle = bo,
74 			.flags = 0xd0d0d0d0,
75 			.modifier = DRM_FORMAT_MOD_NONE,
76 		};
77 		do_ioctl_err(fd, DRM_IOCTL_VC4_SET_TILING, &set, EINVAL);
78 		gem_close(fd, bo);
79 	}
80 
81 	igt_subtest("get-bad-modifier") {
82 		int bo = igt_vc4_create_bo(fd, 4096);
83 		struct drm_vc4_get_tiling get = {
84 			.handle = bo,
85 			.modifier = 0xd0d0d0d0,
86 		};
87 		do_ioctl_err(fd, DRM_IOCTL_VC4_GET_TILING, &get, EINVAL);
88 		gem_close(fd, bo);
89 	}
90 
91 	igt_subtest("set-bad-modifier") {
92 		int bo = igt_vc4_create_bo(fd, 4096);
93 		struct drm_vc4_set_tiling set = {
94 			.handle = bo,
95 			.modifier = 0xd0d0d0d0,
96 		};
97 		do_ioctl_err(fd, DRM_IOCTL_VC4_SET_TILING, &set, EINVAL);
98 		gem_close(fd, bo);
99 	}
100 
101 	igt_subtest("set-get") {
102 		int bo = igt_vc4_create_bo(fd, 4096);
103 
104 		/* Default is untiled. */
105 		igt_assert(igt_vc4_get_tiling(fd, bo) == DRM_FORMAT_MOD_NONE);
106 
107 		/* Set to tiled and check. */
108 		igt_vc4_set_tiling(fd, bo, DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED);
109 		igt_assert(igt_vc4_get_tiling(fd, bo) ==
110 			   DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED);
111 
112 		/* Set it back and check. */
113 		igt_vc4_set_tiling(fd, bo, DRM_FORMAT_MOD_NONE);
114 		igt_assert(igt_vc4_get_tiling(fd, bo) == DRM_FORMAT_MOD_NONE);
115 
116 		gem_close(fd, bo);
117 	}
118 
119 	igt_subtest("get-after-free") {
120 		/* Some size that probably nobody else is using, to
121 		 * encourage getting the same BO back from the cache.
122 		 */
123 		int size = 91 * 4096;
124 		int bo;
125 
126 		bo = igt_vc4_create_bo(fd, size);
127 		igt_vc4_set_tiling(fd, bo, DRM_FORMAT_MOD_BROADCOM_VC4_T_TILED);
128 		gem_close(fd, bo);
129 
130 		bo = igt_vc4_create_bo(fd, size);
131 		igt_assert(igt_vc4_get_tiling(fd, bo) == DRM_FORMAT_MOD_NONE);
132 		gem_close(fd, bo);
133 	}
134 
135 	igt_fixture
136 		close(fd);
137 }
138