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1// SPDX-License-Identifier: GPL-2.0-only2/*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_FS19 20static 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 34static 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_EMULATION46static 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 drm_fb_helper *helper = dev->fb_helper;51 struct drm_framebuffer *fb;52 53 seq_printf(m, "fbcon ");54 omap_framebuffer_describe(helper->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 == helper->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#endif69 70/* list of debufs files that are applicable to all devices */71static struct drm_info_list omap_debugfs_list[] = {72 {"gem", gem_show, 0},73 {"mm", mm_show, 0},74#ifdef CONFIG_DRM_FBDEV_EMULATION75 {"fb", fb_show, 0},76#endif77};78 79/* list of debugfs files that are specific to devices with dmm/tiler */80static struct drm_info_list omap_dmm_debugfs_list[] = {81 {"tiler_map", tiler_map_show, 0},82};83 84void 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#endif97