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
gem_show(struct seq_file * m,void * arg)20 static 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
mm_show(struct seq_file * m,void * arg)34 static 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
fb_show(struct seq_file * m,void * arg)46 static 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 */
71 static 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 */
80 static struct drm_info_list omap_dmm_debugfs_list[] = {
81 {"tiler_map", tiler_map_show, 0},
82 };
83
omap_debugfs_init(struct drm_minor * minor)84 void 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
97
