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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2011 Texas Instruments Incorporated - http://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
14#include "omap_drv.h"
15#include "omap_dmm_tiler.h"
16
17#ifdef CONFIG_DEBUG_FS
18
19static int gem_show(struct seq_file *m, void *arg)
20{
21 struct drm_info_node *node = (struct drm_info_node *) m->private;
22 struct drm_device *dev = node->minor->dev;
23 struct omap_drm_private *priv = dev->dev_private;
24
25 seq_printf(m, "All Objects:\n");
26 mutex_lock(&priv->list_lock);
27 omap_gem_describe_objects(&priv->obj_list, m);
28 mutex_unlock(&priv->list_lock);
29
30 return 0;
31}
32
33static int mm_show(struct seq_file *m, void *arg)
34{
35 struct drm_info_node *node = (struct drm_info_node *) m->private;
36 struct drm_device *dev = node->minor->dev;
37 struct drm_printer p = drm_seq_file_printer(m);
38
39 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
40
41 return 0;
42}
43
44#ifdef CONFIG_DRM_FBDEV_EMULATION
45static int fb_show(struct seq_file *m, void *arg)
46{
47 struct drm_info_node *node = (struct drm_info_node *) m->private;
48 struct drm_device *dev = node->minor->dev;
49 struct omap_drm_private *priv = dev->dev_private;
50 struct drm_framebuffer *fb;
51
52 seq_printf(m, "fbcon ");
53 omap_framebuffer_describe(priv->fbdev->fb, m);
54
55 mutex_lock(&dev->mode_config.fb_lock);
56 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
57 if (fb == priv->fbdev->fb)
58 continue;
59
60 seq_printf(m, "user ");
61 omap_framebuffer_describe(fb, m);
62 }
63 mutex_unlock(&dev->mode_config.fb_lock);
64
65 return 0;
66}
67#endif
68
69/* list of debufs files that are applicable to all devices */
70static struct drm_info_list omap_debugfs_list[] = {
71 {"gem", gem_show, 0},
72 {"mm", mm_show, 0},
73#ifdef CONFIG_DRM_FBDEV_EMULATION
74 {"fb", fb_show, 0},
75#endif
76};
77
78/* list of debugfs files that are specific to devices with dmm/tiler */
79static struct drm_info_list omap_dmm_debugfs_list[] = {
80 {"tiler_map", tiler_map_show, 0},
81};
82
83void omap_debugfs_init(struct drm_minor *minor)
84{
85 drm_debugfs_create_files(omap_debugfs_list,
86 ARRAY_SIZE(omap_debugfs_list),
87 minor->debugfs_root, minor);
88
89 if (dmm_is_available())
90 drm_debugfs_create_files(omap_dmm_debugfs_list,
91 ARRAY_SIZE(omap_dmm_debugfs_list),
92 minor->debugfs_root, minor);
93}
94
95#endif
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 "omap_drv.h"
21#include "omap_dmm_tiler.h"
22
23#include "drm_fb_helper.h"
24
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
54static int fb_show(struct seq_file *m, void *arg)
55{
56 struct drm_info_node *node = (struct drm_info_node *) m->private;
57 struct drm_device *dev = node->minor->dev;
58 struct omap_drm_private *priv = dev->dev_private;
59 struct drm_framebuffer *fb;
60
61 seq_printf(m, "fbcon ");
62 omap_framebuffer_describe(priv->fbdev->fb, m);
63
64 mutex_lock(&dev->mode_config.fb_lock);
65 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
66 if (fb == priv->fbdev->fb)
67 continue;
68
69 seq_printf(m, "user ");
70 omap_framebuffer_describe(fb, m);
71 }
72 mutex_unlock(&dev->mode_config.fb_lock);
73
74 return 0;
75}
76
77/* list of debufs files that are applicable to all devices */
78static struct drm_info_list omap_debugfs_list[] = {
79 {"gem", gem_show, 0},
80 {"mm", mm_show, 0},
81 {"fb", fb_show, 0},
82};
83
84/* list of debugfs files that are specific to devices with dmm/tiler */
85static struct drm_info_list omap_dmm_debugfs_list[] = {
86 {"tiler_map", tiler_map_show, 0},
87};
88
89int omap_debugfs_init(struct drm_minor *minor)
90{
91 struct drm_device *dev = minor->dev;
92 int ret;
93
94 ret = drm_debugfs_create_files(omap_debugfs_list,
95 ARRAY_SIZE(omap_debugfs_list),
96 minor->debugfs_root, minor);
97
98 if (ret) {
99 dev_err(dev->dev, "could not install omap_debugfs_list\n");
100 return ret;
101 }
102
103 if (dmm_is_available())
104 ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
105 ARRAY_SIZE(omap_dmm_debugfs_list),
106 minor->debugfs_root, minor);
107
108 if (ret) {
109 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
110 return ret;
111 }
112
113 return ret;
114}
115
116void omap_debugfs_cleanup(struct drm_minor *minor)
117{
118 drm_debugfs_remove_files(omap_debugfs_list,
119 ARRAY_SIZE(omap_debugfs_list), minor);
120 if (dmm_is_available())
121 drm_debugfs_remove_files(omap_dmm_debugfs_list,
122 ARRAY_SIZE(omap_dmm_debugfs_list), minor);
123}
124
125#endif