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