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_kms.h" 22 #include "msm_debugfs.h" 23 24 static int msm_gpu_show(struct drm_device *dev, struct seq_file *m) 25 { 26 struct msm_drm_private *priv = dev->dev_private; 27 struct msm_gpu *gpu = priv->gpu; 28 29 if (gpu) { 30 seq_printf(m, "%s Status:\n", gpu->name); 31 pm_runtime_get_sync(&gpu->pdev->dev); 32 gpu->funcs->show(gpu, m); 33 pm_runtime_put_sync(&gpu->pdev->dev); 34 } 35 36 return 0; 37 } 38 39 static int msm_gem_show(struct drm_device *dev, struct seq_file *m) 40 { 41 struct msm_drm_private *priv = dev->dev_private; 42 struct msm_gpu *gpu = priv->gpu; 43 44 if (gpu) { 45 seq_printf(m, "Active Objects (%s):\n", gpu->name); 46 msm_gem_describe_objects(&gpu->active_list, m); 47 } 48 49 seq_printf(m, "Inactive Objects:\n"); 50 msm_gem_describe_objects(&priv->inactive_list, m); 51 52 return 0; 53 } 54 55 static int msm_mm_show(struct drm_device *dev, struct seq_file *m) 56 { 57 struct drm_printer p = drm_seq_file_printer(m); 58 59 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p); 60 61 return 0; 62 } 63 64 static int msm_fb_show(struct drm_device *dev, struct seq_file *m) 65 { 66 struct msm_drm_private *priv = dev->dev_private; 67 struct drm_framebuffer *fb, *fbdev_fb = NULL; 68 69 if (priv->fbdev) { 70 seq_printf(m, "fbcon "); 71 fbdev_fb = priv->fbdev->fb; 72 msm_framebuffer_describe(fbdev_fb, m); 73 } 74 75 mutex_lock(&dev->mode_config.fb_lock); 76 list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 77 if (fb == fbdev_fb) 78 continue; 79 80 seq_printf(m, "user "); 81 msm_framebuffer_describe(fb, m); 82 } 83 mutex_unlock(&dev->mode_config.fb_lock); 84 85 return 0; 86 } 87 88 static int show_locked(struct seq_file *m, void *arg) 89 { 90 struct drm_info_node *node = (struct drm_info_node *) m->private; 91 struct drm_device *dev = node->minor->dev; 92 int (*show)(struct drm_device *dev, struct seq_file *m) = 93 node->info_ent->data; 94 int ret; 95 96 ret = mutex_lock_interruptible(&dev->struct_mutex); 97 if (ret) 98 return ret; 99 100 ret = show(dev, m); 101 102 mutex_unlock(&dev->struct_mutex); 103 104 return ret; 105 } 106 107 static struct drm_info_list msm_debugfs_list[] = { 108 {"gpu", show_locked, 0, msm_gpu_show}, 109 {"gem", show_locked, 0, msm_gem_show}, 110 { "mm", show_locked, 0, msm_mm_show }, 111 { "fb", show_locked, 0, msm_fb_show }, 112 }; 113 114 static int late_init_minor(struct drm_minor *minor) 115 { 116 int ret; 117 118 if (!minor) 119 return 0; 120 121 ret = msm_rd_debugfs_init(minor); 122 if (ret) { 123 dev_err(minor->dev->dev, "could not install rd debugfs\n"); 124 return ret; 125 } 126 127 ret = msm_perf_debugfs_init(minor); 128 if (ret) { 129 dev_err(minor->dev->dev, "could not install perf debugfs\n"); 130 return ret; 131 } 132 133 return 0; 134 } 135 136 int msm_debugfs_late_init(struct drm_device *dev) 137 { 138 int ret; 139 ret = late_init_minor(dev->primary); 140 if (ret) 141 return ret; 142 ret = late_init_minor(dev->render); 143 if (ret) 144 return ret; 145 ret = late_init_minor(dev->control); 146 return ret; 147 } 148 149 int msm_debugfs_init(struct drm_minor *minor) 150 { 151 struct drm_device *dev = minor->dev; 152 struct msm_drm_private *priv = dev->dev_private; 153 int ret; 154 155 ret = drm_debugfs_create_files(msm_debugfs_list, 156 ARRAY_SIZE(msm_debugfs_list), 157 minor->debugfs_root, minor); 158 159 if (ret) { 160 dev_err(dev->dev, "could not install msm_debugfs_list\n"); 161 return ret; 162 } 163 164 if (priv->kms->funcs->debugfs_init) 165 ret = priv->kms->funcs->debugfs_init(priv->kms, minor); 166 167 return ret; 168 } 169 #endif 170 171