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) 2011 Texas Instruments Incorporated - http://www.ti.com/
3 * Author: Rob Clark <rob.clark@linaro.org>
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#include <linux/seq_file.h>
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
34 seq_printf(m, "All Objects:\n");
35 mutex_lock(&priv->list_lock);
36 omap_gem_describe_objects(&priv->obj_list, m);
37 mutex_unlock(&priv->list_lock);
38
39 return 0;
40}
41
42static int mm_show(struct seq_file *m, void *arg)
43{
44 struct drm_info_node *node = (struct drm_info_node *) m->private;
45 struct drm_device *dev = node->minor->dev;
46 struct drm_printer p = drm_seq_file_printer(m);
47
48 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
49
50 return 0;
51}
52
53#ifdef CONFIG_DRM_FBDEV_EMULATION
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#endif
77
78/* list of debufs files that are applicable to all devices */
79static struct drm_info_list omap_debugfs_list[] = {
80 {"gem", gem_show, 0},
81 {"mm", mm_show, 0},
82#ifdef CONFIG_DRM_FBDEV_EMULATION
83 {"fb", fb_show, 0},
84#endif
85};
86
87/* list of debugfs files that are specific to devices with dmm/tiler */
88static struct drm_info_list omap_dmm_debugfs_list[] = {
89 {"tiler_map", tiler_map_show, 0},
90};
91
92int omap_debugfs_init(struct drm_minor *minor)
93{
94 struct drm_device *dev = minor->dev;
95 int ret;
96
97 ret = drm_debugfs_create_files(omap_debugfs_list,
98 ARRAY_SIZE(omap_debugfs_list),
99 minor->debugfs_root, minor);
100
101 if (ret) {
102 dev_err(dev->dev, "could not install omap_debugfs_list\n");
103 return ret;
104 }
105
106 if (dmm_is_available())
107 ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
108 ARRAY_SIZE(omap_dmm_debugfs_list),
109 minor->debugfs_root, minor);
110
111 if (ret) {
112 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");
113 return ret;
114 }
115
116 return ret;
117}
118
119#endif