1 /*
2 * Copyright © 2014 Intel Corporation
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
25 #include "igt.h"
26 #include <errno.h>
27 #include <stdbool.h>
28 #include <stdio.h>
29 #include <string.h>
30
31 #include "igt_device.h"
32
33 typedef struct {
34 int drm_fd;
35 igt_display_t display;
36 } data_t;
37
38 IGT_TEST_DESCRIPTION(
39 "This test tries to provoke the kernel into leaking a pending page flip "
40 "event when the fd is closed before the flip has completed. The test "
41 "itself won't fail even if the kernel leaks the event, but the resulting "
42 "dmesg WARN will indicate a failure.");
43
test(data_t * data,enum pipe pipe,igt_output_t * output)44 static void test(data_t *data, enum pipe pipe, igt_output_t *output)
45 {
46 igt_plane_t *primary;
47 drmModeModeInfo *mode;
48 struct igt_fb fb[2];
49 int fd, ret;
50
51 /* select the pipe we want to use */
52 igt_output_set_pipe(output, pipe);
53
54 primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
55 mode = igt_output_get_mode(output);
56
57 igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
58 DRM_FORMAT_XRGB8888,
59 LOCAL_DRM_FORMAT_MOD_NONE,
60 0.0, 0.0, 0.0, &fb[0]);
61
62 igt_plane_set_fb(primary, &fb[0]);
63 igt_display_commit2(&data->display, COMMIT_LEGACY);
64
65 fd = drm_open_driver(DRIVER_ANY);
66
67 igt_device_drop_master(data->drm_fd);
68
69 igt_device_set_master(fd);
70
71 igt_create_color_fb(fd, mode->hdisplay, mode->vdisplay,
72 DRM_FORMAT_XRGB8888,
73 LOCAL_DRM_FORMAT_MOD_NONE,
74 0.0, 0.0, 0.0, &fb[1]);
75 ret = drmModePageFlip(fd, output->config.crtc->crtc_id,
76 fb[1].fb_id, DRM_MODE_PAGE_FLIP_EVENT,
77 data);
78 igt_assert_eq(ret, 0);
79
80 ret = close(fd);
81 igt_assert_eq(ret, 0);
82
83 igt_device_set_master(data->drm_fd);
84
85 igt_plane_set_fb(primary, NULL);
86 igt_output_set_pipe(output, PIPE_ANY);
87 igt_display_commit(&data->display);
88
89 igt_remove_fb(data->drm_fd, &fb[0]);
90 }
91
92 igt_simple_main
93 {
94 data_t data = {};
95 igt_output_t *output;
96 int valid_tests = 0;
97 enum pipe pipe;
98
99 igt_skip_on_simulation();
100
101 data.drm_fd = drm_open_driver_master(DRIVER_ANY);
102 kmstest_set_vt_graphics_mode();
103
104 igt_display_require(&data.display, data.drm_fd);
105
106 for_each_pipe_with_valid_output(&data.display, pipe, output) {
107 test(&data, pipe, output);
108 valid_tests++;
109 }
110
111 igt_require_f(valid_tests, "no valid crtc/connector combinations found\n");
112
113 igt_display_fini(&data.display);
114 }
115