Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1/*
2 * Copyright (C) 2013-2016 Red Hat
3 * Author: Rob Clark <robdclark@gmail.com>
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 as published by
7 * the Free Software Foundation.
8 *
9 * This program is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12 * more details.
13 *
14 * You should have received a copy of the GNU General Public License along with
15 * this program. If not, see <http://www.gnu.org/licenses/>.
16 */
17
18#ifdef CONFIG_DEBUG_FS
19#include "msm_drv.h"
20#include "msm_gpu.h"
21
22static int msm_gpu_show(struct drm_device *dev, struct seq_file *m)
23{
24 struct msm_drm_private *priv = dev->dev_private;
25 struct msm_gpu *gpu = priv->gpu;
26
27 if (gpu) {
28 seq_printf(m, "%s Status:\n", gpu->name);
29 gpu->funcs->show(gpu, m);
30 }
31
32 return 0;
33}
34
35static int msm_gem_show(struct drm_device *dev, struct seq_file *m)
36{
37 struct msm_drm_private *priv = dev->dev_private;
38 struct msm_gpu *gpu = priv->gpu;
39
40 if (gpu) {
41 seq_printf(m, "Active Objects (%s):\n", gpu->name);
42 msm_gem_describe_objects(&gpu->active_list, m);
43 }
44
45 seq_printf(m, "Inactive Objects:\n");
46 msm_gem_describe_objects(&priv->inactive_list, m);
47
48 return 0;
49}
50
51static int msm_mm_show(struct drm_device *dev, struct seq_file *m)
52{
53 return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);
54}
55
56static int msm_fb_show(struct drm_device *dev, struct seq_file *m)
57{
58 struct msm_drm_private *priv = dev->dev_private;
59 struct drm_framebuffer *fb, *fbdev_fb = NULL;
60
61 if (priv->fbdev) {
62 seq_printf(m, "fbcon ");
63 fbdev_fb = priv->fbdev->fb;
64 msm_framebuffer_describe(fbdev_fb, m);
65 }
66
67 mutex_lock(&dev->mode_config.fb_lock);
68 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
69 if (fb == fbdev_fb)
70 continue;
71
72 seq_printf(m, "user ");
73 msm_framebuffer_describe(fb, m);
74 }
75 mutex_unlock(&dev->mode_config.fb_lock);
76
77 return 0;
78}
79
80static int show_locked(struct seq_file *m, void *arg)
81{
82 struct drm_info_node *node = (struct drm_info_node *) m->private;
83 struct drm_device *dev = node->minor->dev;
84 int (*show)(struct drm_device *dev, struct seq_file *m) =
85 node->info_ent->data;
86 int ret;
87
88 ret = mutex_lock_interruptible(&dev->struct_mutex);
89 if (ret)
90 return ret;
91
92 ret = show(dev, m);
93
94 mutex_unlock(&dev->struct_mutex);
95
96 return ret;
97}
98
99static struct drm_info_list msm_debugfs_list[] = {
100 {"gpu", show_locked, 0, msm_gpu_show},
101 {"gem", show_locked, 0, msm_gem_show},
102 { "mm", show_locked, 0, msm_mm_show },
103 { "fb", show_locked, 0, msm_fb_show },
104};
105
106static int late_init_minor(struct drm_minor *minor)
107{
108 int ret;
109
110 if (!minor)
111 return 0;
112
113 ret = msm_rd_debugfs_init(minor);
114 if (ret) {
115 dev_err(minor->dev->dev, "could not install rd debugfs\n");
116 return ret;
117 }
118
119 ret = msm_perf_debugfs_init(minor);
120 if (ret) {
121 dev_err(minor->dev->dev, "could not install perf debugfs\n");
122 return ret;
123 }
124
125 return 0;
126}
127
128int msm_debugfs_late_init(struct drm_device *dev)
129{
130 int ret;
131 ret = late_init_minor(dev->primary);
132 if (ret)
133 return ret;
134 ret = late_init_minor(dev->render);
135 if (ret)
136 return ret;
137 ret = late_init_minor(dev->control);
138 return ret;
139}
140
141int msm_debugfs_init(struct drm_minor *minor)
142{
143 struct drm_device *dev = minor->dev;
144 int ret;
145
146 ret = drm_debugfs_create_files(msm_debugfs_list,
147 ARRAY_SIZE(msm_debugfs_list),
148 minor->debugfs_root, minor);
149
150 if (ret) {
151 dev_err(dev->dev, "could not install msm_debugfs_list\n");
152 return ret;
153 }
154
155 return 0;
156}
157
158void msm_debugfs_cleanup(struct drm_minor *minor)
159{
160 drm_debugfs_remove_files(msm_debugfs_list,
161 ARRAY_SIZE(msm_debugfs_list), minor);
162 if (!minor->dev->dev_private)
163 return;
164 msm_rd_debugfs_cleanup(minor);
165 msm_perf_debugfs_cleanup(minor);
166}
167#endif
168