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
|
// SPDX-License-Identifier: MIT
/*
* Copyright © 2025 Intel Corporation
*/
#include "igt.h"
#include "igt_debugfs.h"
#include "igt_dir.h"
/**
* TEST: kms debugfs test
* Description: Read entries from debugfs with all displays on and with
* all displays off.
*
* Category: Core
* Mega feature: General Core features
* Sub-category: uapi
* Functionality: debugfs
* Feature: core
* Test category: uapi
*
* SUBTEST: display-off-read-all
* Description: Read all debugfs entries with display off.
*
* SUBTEST: display-on-read-all
* Description: Read all debugfs entries with display on.
*/
/**
* igt_display_all_on: Try to turn on all displays
* @display: pointer to the igt_display structure
*
* Returns: void
*/
static void igt_display_all_on(igt_display_t *display)
{
struct igt_fb fb[IGT_MAX_PIPES];
enum pipe pipe;
/* try to light all pipes */
for_each_pipe(display, pipe) {
igt_output_t *output;
for_each_valid_output_on_pipe(display, pipe, output) {
igt_plane_t *primary;
drmModeModeInfo *mode;
if (output->pending_pipe != PIPE_NONE)
continue;
igt_output_set_pipe(output, pipe);
primary = igt_output_get_plane_type(output, DRM_PLANE_TYPE_PRIMARY);
mode = igt_output_get_mode(output);
igt_create_pattern_fb(display->drm_fd,
mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888,
DRM_FORMAT_MOD_LINEAR, &fb[pipe]);
/* Set a valid fb as some debugfs like to
* inspect it on a active pipe
*/
igt_plane_set_fb(primary, &fb[pipe]);
break;
}
}
/* Skip if bandwidth is insufficient for all simultaneous displays */
igt_require(igt_fit_modes_in_bw(display));
igt_display_commit2(display, display->is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
}
/**
* igt_display_all_off: Try to turn off all displays
* @display: pointer to the igt_display structure
*
* Returns: void
*/
static void igt_display_all_off(igt_display_t *display)
{
enum pipe pipe;
igt_output_t *output;
igt_plane_t *plane;
for_each_connected_output(display, output)
igt_output_set_pipe(output, PIPE_NONE);
for_each_pipe(display, pipe)
for_each_plane_on_pipe(display, pipe, plane)
igt_plane_set_fb(plane, NULL);
igt_display_commit2(display, display->is_atomic ? COMMIT_ATOMIC : COMMIT_LEGACY);
}
IGT_TEST_DESCRIPTION("Read entries from debugfs with display on/off.");
igt_main
{
int debugfs = -1;
igt_display_t display;
int fd = -1;
igt_fixture {
fd = drm_open_driver_master(DRIVER_ANY);
debugfs = igt_debugfs_dir(fd);
igt_require(debugfs >= 0);
kmstest_set_vt_graphics_mode();
igt_display_require(&display, fd);
/* Make sure we have at least one output connected */
igt_display_require_output(&display);
}
igt_subtest("display-off-read-all") {
igt_display_all_off(&display);
igt_dir_process_files_simple(debugfs);
}
igt_subtest("display-on-read-all") {
/* try to light all pipes */
igt_display_all_on(&display);
igt_dir_process_files_simple(debugfs);
}
igt_fixture {
igt_display_fini(&display);
close(debugfs);
drm_close_driver(fd);
}
}
|
