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
14 #include "omap_drv.h"
15 #include "omap_dmm_tiler.h"
16
17 #ifdef CONFIG_DEBUG_FS
18
gem_show(struct seq_file * m,void * arg)19 static 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
mm_show(struct seq_file * m,void * arg)33 static 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
fb_show(struct seq_file * m,void * arg)45 static 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 */
70 static 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 */
79 static struct drm_info_list omap_dmm_debugfs_list[] = {
80 {"tiler_map", tiler_map_show, 0},
81 };
82
omap_debugfs_init(struct drm_minor * minor)83 void 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
96