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 #include <drm/drm_framebuffer.h> 14 #include <drm/drm_print.h> 15 16 #include "omap_drv.h" 17 #include "omap_dmm_tiler.h" 18 19 #ifdef CONFIG_DEBUG_FS 20 21 static int gem_show(struct seq_file *m, void *arg) 22 { 23 struct drm_info_node *node = (struct drm_info_node *) m->private; 24 struct drm_device *dev = node->minor->dev; 25 struct omap_drm_private *priv = dev->dev_private; 26 27 seq_printf(m, "All Objects:\n"); 28 mutex_lock(&priv->list_lock); 29 omap_gem_describe_objects(&priv->obj_list, m); 30 mutex_unlock(&priv->list_lock); 31 32 return 0; 33 } 34 35 static int mm_show(struct seq_file *m, void *arg) 36 { 37 struct drm_info_node *node = (struct drm_info_node *) m->private; 38 struct drm_device *dev = node->minor->dev; 39 struct drm_printer p = drm_seq_file_printer(m); 40 41 drm_mm_print(&dev->vma_offset_manager->vm_addr_space_mm, &p); 42 43 return 0; 44 } 45 46 #ifdef CONFIG_DRM_FBDEV_EMULATION 47 static int fb_show(struct seq_file *m, void *arg) 48 { 49 struct drm_info_node *node = (struct drm_info_node *) m->private; 50 struct drm_device *dev = node->minor->dev; 51 struct drm_fb_helper *helper = dev->fb_helper; 52 struct drm_framebuffer *fb; 53 54 seq_printf(m, "fbcon "); 55 omap_framebuffer_describe(helper->fb, m); 56 57 mutex_lock(&dev->mode_config.fb_lock); 58 list_for_each_entry(fb, &dev->mode_config.fb_list, head) { 59 if (fb == helper->fb) 60 continue; 61 62 seq_printf(m, "user "); 63 omap_framebuffer_describe(fb, m); 64 } 65 mutex_unlock(&dev->mode_config.fb_lock); 66 67 return 0; 68 } 69 #endif 70 71 /* list of debufs files that are applicable to all devices */ 72 static struct drm_info_list omap_debugfs_list[] = { 73 {"gem", gem_show, 0}, 74 {"mm", mm_show, 0}, 75 #ifdef CONFIG_DRM_FBDEV_EMULATION 76 {"fb", fb_show, 0}, 77 #endif 78 }; 79 80 /* list of debugfs files that are specific to devices with dmm/tiler */ 81 static struct drm_info_list omap_dmm_debugfs_list[] = { 82 {"tiler_map", tiler_map_show, 0}, 83 }; 84 85 void omap_debugfs_init(struct drm_minor *minor) 86 { 87 drm_debugfs_create_files(omap_debugfs_list, 88 ARRAY_SIZE(omap_debugfs_list), 89 minor->debugfs_root, minor); 90 91 if (dmm_is_available()) 92 drm_debugfs_create_files(omap_dmm_debugfs_list, 93 ARRAY_SIZE(omap_dmm_debugfs_list), 94 minor->debugfs_root, minor); 95 } 96 97 #endif 98