2 * drivers/gpu/drm/omapdrm/omap_debugfs.c
4 * Copyright (C) 2011 Texas Instruments
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.
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
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/>.
20 #include <linux/seq_file.h>
22 #include <drm/drm_crtc.h>
23 #include <drm/drm_fb_helper.h>
26 #include "omap_dmm_tiler.h"
28 #ifdef CONFIG_DEBUG_FS
30 static int gem_show(struct seq_file *m, void *arg)
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;
37 ret = mutex_lock_interruptible(&dev->struct_mutex);
41 seq_printf(m, "All Objects:\n");
42 omap_gem_describe_objects(&priv->obj_list, m);
44 mutex_unlock(&dev->struct_mutex);
49 static int mm_show(struct seq_file *m, void *arg)
51 struct drm_info_node *node = (struct drm_info_node *) m->private;
52 struct drm_device *dev = node->minor->dev;
53 struct drm_printer p = drm_seq_file_printer(m);
55 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p);
60 #ifdef CONFIG_DRM_FBDEV_EMULATION
61 static int fb_show(struct seq_file *m, void *arg)
63 struct drm_info_node *node = (struct drm_info_node *) m->private;
64 struct drm_device *dev = node->minor->dev;
65 struct omap_drm_private *priv = dev->dev_private;
66 struct drm_framebuffer *fb;
68 seq_printf(m, "fbcon ");
69 omap_framebuffer_describe(priv->fbdev->fb, m);
71 mutex_lock(&dev->mode_config.fb_lock);
72 list_for_each_entry(fb, &dev->mode_config.fb_list, head) {
73 if (fb == priv->fbdev->fb)
76 seq_printf(m, "user ");
77 omap_framebuffer_describe(fb, m);
79 mutex_unlock(&dev->mode_config.fb_lock);
85 /* list of debufs files that are applicable to all devices */
86 static struct drm_info_list omap_debugfs_list[] = {
89 #ifdef CONFIG_DRM_FBDEV_EMULATION
94 /* list of debugfs files that are specific to devices with dmm/tiler */
95 static struct drm_info_list omap_dmm_debugfs_list[] = {
96 {"tiler_map", tiler_map_show, 0},
99 int omap_debugfs_init(struct drm_minor *minor)
101 struct drm_device *dev = minor->dev;
104 ret = drm_debugfs_create_files(omap_debugfs_list,
105 ARRAY_SIZE(omap_debugfs_list),
106 minor->debugfs_root, minor);
109 dev_err(dev->dev, "could not install omap_debugfs_list\n");
113 if (dmm_is_available())
114 ret = drm_debugfs_create_files(omap_dmm_debugfs_list,
115 ARRAY_SIZE(omap_dmm_debugfs_list),
116 minor->debugfs_root, minor);
119 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n");