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1/*
2 * drivers/gpu/drm/omapdrm/omap_debugfs.c
3 *
4 * Copyright (C) 2011 Texas Instruments
5 * Author: Rob Clark <rob.clark@linaro.org>
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along with
17 * this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <drm/drm_crtc.h>
21#include <drm/drm_fb_helper.h>
22
23#include "omap_drv.h"
24#include "omap_dmm_tiler.h"
25
26#ifdef CONFIG_DEBUG_FS
27
28static int gem_show(struct seq_file *m, void *arg)
29{
30 struct drm_info_node *node = (struct drm_info_node *) m->private;
31 struct drm_device *dev = node->minor->dev;
32 struct omap_drm_private *priv = dev->dev_private;
33 int ret;
34
35 ret = mutex_lock_interruptible(&dev->struct_mutex);
36 if (ret)
37 return ret;
38
39 seq_printf(m, "All Objects:\n");
40 omap_gem_describe_objects(&priv->obj_list, m);
41
42 mutex_unlock(&dev->struct_mutex);
43
44 return 0;
45}
46
47static int mm_show(struct seq_file *m, void *arg)
48{
49 struct drm_info_node *node = (struct drm_info_node *) m->private;
50 struct drm_device *dev = node->minor->dev;
51 return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);
52}
53
54#ifdef CONFIG_DRM_FBDEV_EMULATION
55static int fb_show(struct seq_file *m, void *arg)
56{
57 struct drm_info_node *node = (struct drm_info_node *) m->private;
58 struct drm_device *dev = node->minor->dev;
59 struct omap_drm_private *priv = dev->dev_private;
60 struct drm_framebuffer *fb;
61
62 seq_printf(m, "fbcon ");
63 omap_framebuffer_describe(priv->fbdev->fb, m);
64
65 mutex_lock(&dev->mode_config.fb_lock);
66 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
67 if (fb == priv->fbdev->fb)
68 continue;
69
70 seq_printf(m, "user ");
71 omap_framebuffer_describe(fb, m);
72 }
73 mutex_unlock(&dev->mode_config.fb_lock);
74
75 return 0;
76}
77#endif
78
79/* list of debufs files that are applicable to all devices */
80static struct drm_info_list omap_debugfs_list[] = {
81 {"gem", gem_show, 0},
82 {"mm", mm_show, 0},
83#ifdef CONFIG_DRM_FBDEV_EMULATION
84 {"fb", fb_show, 0},
85#endif
86};
87
88/* list of debugfs files that are specific to devices with dmm/tiler */
89static struct drm_info_list omap_dmm_debugfs_list[] = {
90 {"tiler_map", tiler_map_show, 0},
91};
92
93int omap_debugfs_init(struct drm_minor *minor)
94{
95 struct drm_device *dev = minor->dev;
96 int ret;
97
98 ret = drm_debugfs_create_files(omap_debugfs_list,
99 ARRAY_SIZE(omap_debugfs_list),
100 minor->debugfs_root, minor);
101
102 if (ret) {
103 dev_err(dev->dev, "could not install omap_debugfs_list\n");
104 return ret;
105 }
106
107 if (dmm_is_available())
108 ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
109 ARRAY_SIZE(omap_dmm_debugfs_list),
110 minor->debugfs_root, minor);
111
112 if (ret) {
113 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
114 return ret;
115 }
116
117 return ret;
118}
119
120void omap_debugfs_cleanup(struct drm_minor *minor)
121{
122 drm_debugfs_remove_files(omap_debugfs_list,
123 ARRAY_SIZE(omap_debugfs_list), minor);
124 if (dmm_is_available())
125 drm_debugfs_remove_files(omap_dmm_debugfs_list,
126 ARRAY_SIZE(omap_dmm_debugfs_list), minor);
127}
128
129#endif
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2011 Texas Instruments Incorporated - https://www.ti.com/
4 * Author: Rob Clark <rob.clark@linaro.org>
5 */
6
7#include <linux/seq_file.h>
8
9#include <drm/drm_crtc.h>
10#include <drm/drm_debugfs.h>
11#include <drm/drm_file.h>
12#include <drm/drm_fb_helper.h>
13#include <drm/drm_framebuffer.h>
14
15#include "omap_drv.h"
16#include "omap_dmm_tiler.h"
17
18#ifdef CONFIG_DEBUG_FS
19
20static int gem_show(struct seq_file *m, void *arg)
21{
22 struct drm_info_node *node = (struct drm_info_node *) m->private;
23 struct drm_device *dev = node->minor->dev;
24 struct omap_drm_private *priv = dev->dev_private;
25
26 seq_printf(m, "All Objects:\n");
27 mutex_lock(&priv->list_lock);
28 omap_gem_describe_objects(&priv->obj_list, m);
29 mutex_unlock(&priv->list_lock);
30
31 return 0;
32}
33
34static int mm_show(struct seq_file *m, void *arg)
35{
36 struct drm_info_node *node = (struct drm_info_node *) m->private;
37 struct drm_device *dev = node->minor->dev;
38 struct drm_printer p = drm_seq_file_printer(m);
39
40 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
41
42 return 0;
43}
44
45#ifdef CONFIG_DRM_FBDEV_EMULATION
46static int fb_show(struct seq_file *m, void *arg)
47{
48 struct drm_info_node *node = (struct drm_info_node *) m->private;
49 struct drm_device *dev = node->minor->dev;
50 struct drm_fb_helper *helper = dev->fb_helper;
51 struct drm_framebuffer *fb;
52
53 seq_printf(m, "fbcon ");
54 omap_framebuffer_describe(helper->fb, m);
55
56 mutex_lock(&dev->mode_config.fb_lock);
57 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
58 if (fb == helper->fb)
59 continue;
60
61 seq_printf(m, "user ");
62 omap_framebuffer_describe(fb, m);
63 }
64 mutex_unlock(&dev->mode_config.fb_lock);
65
66 return 0;
67}
68#endif
69
70/* list of debufs files that are applicable to all devices */
71static struct drm_info_list omap_debugfs_list[] = {
72 {"gem", gem_show, 0},
73 {"mm", mm_show, 0},
74#ifdef CONFIG_DRM_FBDEV_EMULATION
75 {"fb", fb_show, 0},
76#endif
77};
78
79/* list of debugfs files that are specific to devices with dmm/tiler */
80static struct drm_info_list omap_dmm_debugfs_list[] = {
81 {"tiler_map", tiler_map_show, 0},
82};
83
84void omap_debugfs_init(struct drm_minor *minor)
85{
86 drm_debugfs_create_files(omap_debugfs_list,
87 ARRAY_SIZE(omap_debugfs_list),
88 minor->debugfs_root, minor);
89
90 if (dmm_is_available())
91 drm_debugfs_create_files(omap_dmm_debugfs_list,
92 ARRAY_SIZE(omap_dmm_debugfs_list),
93 minor->debugfs_root, minor);
94}
95
96#endif