1 /* 2 * Copyright (C) 2013-2016 Red Hat 3 * Author: Rob Clark <robdclark@gmail.com> 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 #ifdef CONFIG_DEBUG_FS 19 #include "msm_drv.h" 20 #include "msm_gpu.h" 21 #include "msm_debugfs.h" 22 23 static int msm_gpu_show(struct drm_device *dev, struct seq_file *m) 24 { 25 struct msm_drm_private *priv = dev->dev_private; 26 struct msm_gpu *gpu = priv->gpu; 27 28 if (gpu) { 29 seq_printf(m, "%s Status:\n", gpu->name); 30 gpu->funcs->show(gpu, m); 31 } 32 33 return 0; 34 } 35 36 static int msm_gem_show(struct drm_device *dev, struct seq_file *m) 37 { 38 struct msm_drm_private *priv = dev->dev_private; 39 struct msm_gpu *gpu = priv->gpu; 40 41 if (gpu) { 42 seq_printf(m, "Active Objects (%s):\n", gpu->name); 43 msm_gem_describe_objects(&gpu->active_list, m); 44 } 45 46 seq_printf(m, "Inactive Objects:\n"); 47 msm_gem_describe_objects(&priv->inactive_list, m); 48 49 return 0; 50 } 51 52 static int msm_mm_show(struct drm_device *dev, struct seq_file *m) 53 { 54 return drm_mm_dump_table(m, &dev->vma_offset_manager->vm_addr_space_mm); 55 } 56 57 static int msm_fb_show(struct drm_device *dev, struct seq_file *m) 58 { 59 struct msm_drm_private *priv = dev->dev_private; 60 struct drm_framebuffer *fb, *fbdev_fb = NULL; 61 62 if (priv->fbdev) { 63 seq_printf(m, "fbcon "); 64 fbdev_fb = priv->fbdev->fb; 65 msm_framebuffer_describe(fbdev_fb, m); 66 } 67 68 mutex_lock(&dev->mode_config.fb_lock); 69 list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 70 if (fb == fbdev_fb) 71 continue; 72 73 seq_printf(m, "user "); 74 msm_framebuffer_describe(fb, m); 75 } 76 mutex_unlock(&dev->mode_config.fb_lock); 77 78 return 0; 79 } 80 81 static int show_locked(struct seq_file *m, void *arg) 82 { 83 struct drm_info_node *node = (struct drm_info_node *) m->private; 84 struct drm_device *dev = node->minor->dev; 85 int (*show)(struct drm_device *dev, struct seq_file *m) = 86 node->info_ent->data; 87 int ret; 88 89 ret = mutex_lock_interruptible(&dev->struct_mutex); 90 if (ret) 91 return ret; 92 93 ret = show(dev, m); 94 95 mutex_unlock(&dev->struct_mutex); 96 97 return ret; 98 } 99 100 static struct drm_info_list msm_debugfs_list[] = { 101 {"gpu", show_locked, 0, msm_gpu_show}, 102 {"gem", show_locked, 0, msm_gem_show}, 103 { "mm", show_locked, 0, msm_mm_show }, 104 { "fb", show_locked, 0, msm_fb_show }, 105 }; 106 107 static int late_init_minor(struct drm_minor *minor) 108 { 109 int ret; 110 111 if (!minor) 112 return 0; 113 114 ret = msm_rd_debugfs_init(minor); 115 if (ret) { 116 dev_err(minor->dev->dev, "could not install rd debugfs\n"); 117 return ret; 118 } 119 120 ret = msm_perf_debugfs_init(minor); 121 if (ret) { 122 dev_err(minor->dev->dev, "could not install perf debugfs\n"); 123 return ret; 124 } 125 126 return 0; 127 } 128 129 int msm_debugfs_late_init(struct drm_device *dev) 130 { 131 int ret; 132 ret = late_init_minor(dev->primary); 133 if (ret) 134 return ret; 135 ret = late_init_minor(dev->render); 136 if (ret) 137 return ret; 138 ret = late_init_minor(dev->control); 139 return ret; 140 } 141 142 int msm_debugfs_init(struct drm_minor *minor) 143 { 144 struct drm_device *dev = minor->dev; 145 int ret; 146 147 ret = drm_debugfs_create_files(msm_debugfs_list, 148 ARRAY_SIZE(msm_debugfs_list), 149 minor->debugfs_root, minor); 150 151 if (ret) { 152 dev_err(dev->dev, "could not install msm_debugfs_list\n"); 153 return ret; 154 } 155 156 return 0; 157 } 158 159 void msm_debugfs_cleanup(struct drm_minor *minor) 160 { 161 drm_debugfs_remove_files(msm_debugfs_list, 162 ARRAY_SIZE(msm_debugfs_list), minor); 163 if (!minor->dev->dev_private) 164 return; 165 msm_rd_debugfs_cleanup(minor); 166 msm_perf_debugfs_cleanup(minor); 167 } 168 #endif 169 170