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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
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 <linux/seq_file.h>
21
22#include <drm/drm_crtc.h>
23#include <drm/drm_fb_helper.h>
24
25#include "omap_drv.h"
26#include "omap_dmm_tiler.h"
27
28#ifdef CONFIG_DEBUG_FS
29
30static int gem_show(struct seq_file *m, void *arg)
31{
32 struct drm_info_node *node = (struct drm_info_node *) m->private;
33 struct drm_device *dev = node->minor->dev;
34 struct omap_drm_private *priv = dev->dev_private;
35 int ret;
36
37 ret = mutex_lock_interruptible(&dev->struct_mutex);
38 if (ret)
39 return ret;
40
41 seq_printf(m, "All Objects:\n");
42 omap_gem_describe_objects(&priv->obj_list, m);
43
44 mutex_unlock(&dev->struct_mutex);
45
46 return 0;
47}
48
49static int mm_show(struct seq_file *m, void *arg)
50{
51 struct drm_info_node *node = (struct drm_info_node *) m->private;
52 struct drm_device *dev = node->minor->dev;
53 return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm);
54}
55
56#ifdef CONFIG_DRM_FBDEV_EMULATION
57static int fb_show(struct seq_file *m, void *arg)
58{
59 struct drm_info_node *node = (struct drm_info_node *) m->private;
60 struct drm_device *dev = node->minor->dev;
61 struct omap_drm_private *priv = dev->dev_private;
62 struct drm_framebuffer *fb;
63
64 seq_printf(m, "fbcon ");
65 omap_framebuffer_describe(priv->fbdev->fb, m);
66
67 mutex_lock(&dev->mode_config.fb_lock);
68 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
69 if (fb == priv->fbdev->fb)
70 continue;
71
72 seq_printf(m, "user ");
73 omap_framebuffer_describe(fb, m);
74 }
75 mutex_unlock(&dev->mode_config.fb_lock);
76
77 return 0;
78}
79#endif
80
81/* list of debufs files that are applicable to all devices */
82static struct drm_info_list omap_debugfs_list[] = {
83 {"gem", gem_show, 0},
84 {"mm", mm_show, 0},
85#ifdef CONFIG_DRM_FBDEV_EMULATION
86 {"fb", fb_show, 0},
87#endif
88};
89
90/* list of debugfs files that are specific to devices with dmm/tiler */
91static struct drm_info_list omap_dmm_debugfs_list[] = {
92 {"tiler_map", tiler_map_show, 0},
93};
94
95int omap_debugfs_init(struct drm_minor *minor)
96{
97 struct drm_device *dev = minor->dev;
98 int ret;
99
100 ret = drm_debugfs_create_files(omap_debugfs_list,
101 ARRAY_SIZE(omap_debugfs_list),
102 minor->debugfs_root, minor);
103
104 if (ret) {
105 dev_err(dev->dev, "could not install omap_debugfs_list\n");
106 return ret;
107 }
108
109 if (dmm_is_available())
110 ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
111 ARRAY_SIZE(omap_dmm_debugfs_list),
112 minor->debugfs_root, minor);
113
114 if (ret) {
115 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
116 return ret;
117 }
118
119 return ret;
120}
121
122void omap_debugfs_cleanup(struct drm_minor *minor)
123{
124 drm_debugfs_remove_files(omap_debugfs_list,
125 ARRAY_SIZE(omap_debugfs_list), minor);
126 if (dmm_is_available())
127 drm_debugfs_remove_files(omap_dmm_debugfs_list,
128 ARRAY_SIZE(omap_dmm_debugfs_list), minor);
129}
130
131#endif