1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * Copyright (C) 2011 Texas Instruments Incorporated - http://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_fb_helper.h> 11 12 #include "omap_drv.h" 13 #include "omap_dmm_tiler.h" 14 15 #ifdef CONFIG_DEBUG_FS 16 17 static int gem_show(struct seq_file *m, void *arg) 18 { 19 struct drm_info_node *node = (struct drm_info_node *) m->private; 20 struct drm_device *dev = node->minor->dev; 21 struct omap_drm_private *priv = dev->dev_private; 22 23 seq_printf(m, "All Objects:\n"); 24 mutex_lock(&priv->list_lock); 25 omap_gem_describe_objects(&priv->obj_list, m); 26 mutex_unlock(&priv->list_lock); 27 28 return 0; 29 } 30 31 static int mm_show(struct seq_file *m, void *arg) 32 { 33 struct drm_info_node *node = (struct drm_info_node *) m->private; 34 struct drm_device *dev = node->minor->dev; 35 struct drm_printer p = drm_seq_file_printer(m); 36 37 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p); 38 39 return 0; 40 } 41 42 #ifdef CONFIG_DRM_FBDEV_EMULATION 43 static int fb_show(struct seq_file *m, void *arg) 44 { 45 struct drm_info_node *node = (struct drm_info_node *) m->private; 46 struct drm_device *dev = node->minor->dev; 47 struct omap_drm_private *priv = dev->dev_private; 48 struct drm_framebuffer *fb; 49 50 seq_printf(m, "fbcon "); 51 omap_framebuffer_describe(priv->fbdev->fb, m); 52 53 mutex_lock(&dev->mode_config.fb_lock); 54 list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 55 if (fb == priv->fbdev->fb) 56 continue; 57 58 seq_printf(m, "user "); 59 omap_framebuffer_describe(fb, m); 60 } 61 mutex_unlock(&dev->mode_config.fb_lock); 62 63 return 0; 64 } 65 #endif 66 67 /* list of debufs files that are applicable to all devices */ 68 static struct drm_info_list omap_debugfs_list[] = { 69 {"gem", gem_show, 0}, 70 {"mm", mm_show, 0}, 71 #ifdef CONFIG_DRM_FBDEV_EMULATION 72 {"fb", fb_show, 0}, 73 #endif 74 }; 75 76 /* list of debugfs files that are specific to devices with dmm/tiler */ 77 static struct drm_info_list omap_dmm_debugfs_list[] = { 78 {"tiler_map", tiler_map_show, 0}, 79 }; 80 81 int omap_debugfs_init(struct drm_minor *minor) 82 { 83 struct drm_device *dev = minor->dev; 84 int ret; 85 86 ret = drm_debugfs_create_files(omap_debugfs_list, 87 ARRAY_SIZE(omap_debugfs_list), 88 minor->debugfs_root, minor); 89 90 if (ret) { 91 dev_err(dev->dev, "could not install omap_debugfs_list\n"); 92 return ret; 93 } 94 95 if (dmm_is_available()) 96 ret = drm_debugfs_create_files(omap_dmm_debugfs_list, 97 ARRAY_SIZE(omap_dmm_debugfs_list), 98 minor->debugfs_root, minor); 99 100 if (ret) { 101 dev_err(dev->dev, "could not install omap_dmm_debugfs_list\n"); 102 return ret; 103 } 104 105 return ret; 106 } 107 108 #endif 109