aboutsummaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/msm/msm_debugfs.c
blob: c1b40f5adb6046ddc8c074f7617cf7378f726589 (plain)
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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/*
 * Copyright (C) 2013-2016 Red Hat
 * Author: Rob Clark <robdclark@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifdef CONFIG_DEBUG_FS
#include "msm_drv.h"
#include "msm_gpu.h"
#include "msm_kms.h"
#include "msm_debugfs.h"

static int msm_gpu_show(struct drm_device *dev, struct seq_file *m)
{
	struct msm_drm_private *priv = dev->dev_private;
	struct msm_gpu *gpu = priv->gpu;

	if (gpu) {
		seq_printf(m, "%s Status:\n", gpu->name);
		gpu->funcs->show(gpu, m);
	}

	return 0;
}

static int msm_gem_show(struct drm_device *dev, struct seq_file *m)
{
	struct msm_drm_private *priv = dev->dev_private;
	struct msm_gpu *gpu = priv->gpu;

	if (gpu) {
		seq_printf(m, "Active Objects (%s):\n", gpu->name);
		msm_gem_describe_objects(&gpu->active_list, m);
	}

	seq_printf(m, "Inactive Objects:\n");
	msm_gem_describe_objects(&priv->inactive_list, m);

	return 0;
}

static int msm_mm_show(struct drm_device *dev, struct seq_file *m)
{
	return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);
}

static int msm_fb_show(struct drm_device *dev, struct seq_file *m)
{
	struct msm_drm_private *priv = dev->dev_private;
	struct drm_framebuffer *fb, *fbdev_fb = NULL;

	if (priv->fbdev) {
		seq_printf(m, "fbcon ");
		fbdev_fb = priv->fbdev->fb;
		msm_framebuffer_describe(fbdev_fb, m);
	}

	mutex_lock(&dev->mode_config.fb_lock);
	list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
		if (fb == fbdev_fb)
			continue;

		seq_printf(m, "user ");
		msm_framebuffer_describe(fb, m);
	}
	mutex_unlock(&dev->mode_config.fb_lock);

	return 0;
}

static int show_locked(struct seq_file *m, void *arg)
{
	struct drm_info_node *node = (struct drm_info_node *) m->private;
	struct drm_device *dev = node->minor->dev;
	int (*show)(struct drm_device *dev, struct seq_file *m) =
			node->info_ent->data;
	int ret;

	ret = mutex_lock_interruptible(&dev->struct_mutex);
	if (ret)
		return ret;

	ret = show(dev, m);

	mutex_unlock(&dev->struct_mutex);

	return ret;
}

static struct drm_info_list msm_debugfs_list[] = {
		{"gpu", show_locked, 0, msm_gpu_show},
		{"gem", show_locked, 0, msm_gem_show},
		{ "mm", show_locked, 0, msm_mm_show },
		{ "fb", show_locked, 0, msm_fb_show },
};

static int late_init_minor(struct drm_minor *minor)
{
	int ret;

	if (!minor)
		return 0;

	ret = msm_rd_debugfs_init(minor);
	if (ret) {
		dev_err(minor->dev->dev, "could not install rd debugfs\n");
		return ret;
	}

	ret = msm_perf_debugfs_init(minor);
	if (ret) {
		dev_err(minor->dev->dev, "could not install perf debugfs\n");
		return ret;
	}

	return 0;
}

int msm_debugfs_late_init(struct drm_device *dev)
{
	int ret;
	ret = late_init_minor(dev->primary);
	if (ret)
		return ret;
	ret = late_init_minor(dev->render);
	if (ret)
		return ret;
	ret = late_init_minor(dev->control);
	return ret;
}

int msm_debugfs_init(struct drm_minor *minor)
{
	struct drm_device *dev = minor->dev;
	struct msm_drm_private *priv = dev->dev_private;
	int ret;

	ret = drm_debugfs_create_files(msm_debugfs_list,
			ARRAY_SIZE(msm_debugfs_list),
			minor->debugfs_root, minor);

	if (ret) {
		dev_err(dev->dev, "could not install msm_debugfs_list\n");
		return ret;
	}

	if (priv->kms->funcs->debugfs_init)
		ret = priv->kms->funcs->debugfs_init(priv->kms, minor);

	return ret;
}

void msm_debugfs_cleanup(struct drm_minor *minor)
{
	struct drm_device *dev = minor->dev;
	struct msm_drm_private *priv = dev->dev_private;

	drm_debugfs_remove_files(msm_debugfs_list,
			ARRAY_SIZE(msm_debugfs_list), minor);
	if (!priv)
		return;

	if (priv->kms->funcs->debugfs_cleanup)
		priv->kms->funcs->debugfs_cleanup(priv->kms, minor);

	msm_rd_debugfs_cleanup(minor);
	msm_perf_debugfs_cleanup(minor);
}
#endif