modify sin led gpio

hc

2024-05-13 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e

 kernel/drivers/gpu/drm/vc4/vc4_debugfs.c
..
..
@@ -1,40 +1,83 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *  Copyright © 2014 Broadcom
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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 #include <linux/seq_file.h>
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 #include <linux/circ_buf.h>
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 #include <linux/ctype.h>
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 #include <linux/debugfs.h>
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-#include <drm/drmP.h>
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 #include "vc4_drv.h"
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 #include "vc4_regs.h"
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13
 
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-static const struct drm_info_list vc4_debugfs_list[] = {
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-	{"bo_stats", vc4_bo_stats_debugfs, 0},
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-	{"dpi_regs", vc4_dpi_debugfs_regs, 0},
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-	{"dsi1_regs", vc4_dsi_debugfs_regs, 0, (void *)(uintptr_t)1},
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-	{"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
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-	{"vec_regs", vc4_vec_debugfs_regs, 0},
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-	{"txp_regs", vc4_txp_debugfs_regs, 0},
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-	{"hvs_regs", vc4_hvs_debugfs_regs, 0},
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-	{"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
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-	{"crtc1_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)1},
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-	{"crtc2_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)2},
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-	{"v3d_ident", vc4_v3d_debugfs_ident, 0},
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-	{"v3d_regs", vc4_v3d_debugfs_regs, 0},
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+struct vc4_debugfs_info_entry {
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+	struct list_head link;
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+	struct drm_info_list info;
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 };
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-#define VC4_DEBUGFS_ENTRIES ARRAY_SIZE(vc4_debugfs_list)
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-
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-int
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+/**
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+ * Called at drm_dev_register() time on each of the minors registered
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+ * by the DRM device, to attach the debugfs files.
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+ */
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+void
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 vc4_debugfs_init(struct drm_minor *minor)
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 {
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-	return drm_debugfs_create_files(vc4_debugfs_list, VC4_DEBUGFS_ENTRIES,
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-					minor->debugfs_root, minor);
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+	struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
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+	struct vc4_debugfs_info_entry *entry;
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+
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+	debugfs_create_bool("hvs_load_tracker", S_IRUGO | S_IWUSR,
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+			    minor->debugfs_root, &vc4->load_tracker_enabled);
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+
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+	list_for_each_entry(entry, &vc4->debugfs_list, link) {
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+		drm_debugfs_create_files(&entry->info, 1,
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+					 minor->debugfs_root, minor);
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+	}
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+}
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+
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+static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
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+{
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+	struct drm_info_node *node = (struct drm_info_node *)m->private;
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+	struct debugfs_regset32 *regset = node->info_ent->data;
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+	struct drm_printer p = drm_seq_file_printer(m);
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+
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+	drm_print_regset32(&p, regset);
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+
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+	return 0;
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+}
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+
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+/**
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+ * Registers a debugfs file with a callback function for a vc4 component.
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+ *
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+ * This is like drm_debugfs_create_files(), but that can only be
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+ * called a given DRM minor, while the various VC4 components want to
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+ * register their debugfs files during the component bind process.  We
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+ * track the request and delay it to be called on each minor during
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+ * vc4_debugfs_init().
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+ */
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+void vc4_debugfs_add_file(struct drm_device *dev,
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+			  const char *name,
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+			  int (*show)(struct seq_file*, void*),
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+			  void *data)
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+{
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+	struct vc4_dev *vc4 = to_vc4_dev(dev);
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+
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+	struct vc4_debugfs_info_entry *entry =
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+		devm_kzalloc(dev->dev, sizeof(*entry), GFP_KERNEL);
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+
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+	if (!entry)
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+		return;
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+
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+	entry->info.name = name;
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+	entry->info.show = show;
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+	entry->info.data = data;
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+
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+	list_add(&entry->link, &vc4->debugfs_list);
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+}
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+
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+void vc4_debugfs_add_regset32(struct drm_device *drm,
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+			      const char *name,
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+			      struct debugfs_regset32 *regset)
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+{
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+	vc4_debugfs_add_file(drm, name, vc4_debugfs_regset32, regset);
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 }