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 14 #include "omap_drv.h" 15 #include "omap_dmm_tiler.h" 16 17 #ifdef CONFIG_DEBUG_FS 18 19 static int gem_show(struct seq_file *m, void *arg) 20 { 21 struct drm_info_node *node = (struct drm_info_node *) m->private; 22 struct drm_device *dev = node->minor->dev; 23 struct omap_drm_private *priv = dev->dev_private; 24 25 seq_printf(m, "All Objects:\n"); 26 mutex_lock(&priv->list_lock); 27 omap_gem_describe_objects(&priv->obj_list, m); 28 mutex_unlock(&priv->list_lock); 29 30 return 0; 31 } 32 33 static int mm_show(struct seq_file *m, void *arg) 34 { 35 struct drm_info_node *node = (struct drm_info_node *) m->private; 36 struct drm_device *dev = node->minor->dev; 37 struct drm_printer p = drm_seq_file_printer(m); 38 39 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p); 40 41 return 0; 42 } 43 44 #ifdef CONFIG_DRM_FBDEV_EMULATION 45 static int fb_show(struct seq_file *m, void *arg) 46 { 47 struct drm_info_node *node = (struct drm_info_node *) m->private; 48 struct drm_device *dev = node->minor->dev; 49 struct omap_drm_private *priv = dev->dev_private; 50 struct drm_framebuffer *fb; 51 52 seq_printf(m, "fbcon "); 53 omap_framebuffer_describe(priv->fbdev->fb, m); 54 55 mutex_lock(&dev->mode_config.fb_lock); 56 list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 57 if (fb == priv->fbdev->fb) 58 continue; 59 60 seq_printf(m, "user "); 61 omap_framebuffer_describe(fb, m); 62 } 63 mutex_unlock(&dev->mode_config.fb_lock); 64 65 return 0; 66 } 67 #endif 68 69 /* list of debufs files that are applicable to all devices */ 70 static struct drm_info_list omap_debugfs_list[] = { 71 {"gem", gem_show, 0}, 72 {"mm", mm_show, 0}, 73 #ifdef CONFIG_DRM_FBDEV_EMULATION 74 {"fb", fb_show, 0}, 75 #endif 76 }; 77 78 /* list of debugfs files that are specific to devices with dmm/tiler */ 79 static struct drm_info_list omap_dmm_debugfs_list[] = { 80 {"tiler_map", tiler_map_show, 0}, 81 }; 82 83 void omap_debugfs_init(struct drm_minor *minor) 84 { 85 drm_debugfs_create_files(omap_debugfs_list, 86 ARRAY_SIZE(omap_debugfs_list), 87 minor->debugfs_root, minor); 88 89 if (dmm_is_available()) 90 drm_debugfs_create_files(omap_dmm_debugfs_list, 91 ARRAY_SIZE(omap_dmm_debugfs_list), 92 minor->debugfs_root, minor); 93 } 94 95 #endif 96