From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/gpu/drm/vc4/vc4_debugfs.c | 89 +++++++++++++++++++++++++++++++++-----------
1 files changed, 66 insertions(+), 23 deletions(-)
diff --git a/kernel/drivers/gpu/drm/vc4/vc4_debugfs.c b/kernel/drivers/gpu/drm/vc4/vc4_debugfs.c
index 7a0003d..4fbbf98 100644
--- a/kernel/drivers/gpu/drm/vc4/vc4_debugfs.c
+++ b/kernel/drivers/gpu/drm/vc4/vc4_debugfs.c
@@ -1,40 +1,83 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright © 2014 Broadcom
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/seq_file.h>
#include <linux/circ_buf.h>
#include <linux/ctype.h>
#include <linux/debugfs.h>
-#include <drm/drmP.h>
#include "vc4_drv.h"
#include "vc4_regs.h"
-static const struct drm_info_list vc4_debugfs_list[] = {
- {"bo_stats", vc4_bo_stats_debugfs, 0},
- {"dpi_regs", vc4_dpi_debugfs_regs, 0},
- {"dsi1_regs", vc4_dsi_debugfs_regs, 0, (void *)(uintptr_t)1},
- {"hdmi_regs", vc4_hdmi_debugfs_regs, 0},
- {"vec_regs", vc4_vec_debugfs_regs, 0},
- {"txp_regs", vc4_txp_debugfs_regs, 0},
- {"hvs_regs", vc4_hvs_debugfs_regs, 0},
- {"crtc0_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)0},
- {"crtc1_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)1},
- {"crtc2_regs", vc4_crtc_debugfs_regs, 0, (void *)(uintptr_t)2},
- {"v3d_ident", vc4_v3d_debugfs_ident, 0},
- {"v3d_regs", vc4_v3d_debugfs_regs, 0},
+struct vc4_debugfs_info_entry {
+ struct list_head link;
+ struct drm_info_list info;
};
-#define VC4_DEBUGFS_ENTRIES ARRAY_SIZE(vc4_debugfs_list)
-
-int
+/**
+ * Called at drm_dev_register() time on each of the minors registered
+ * by the DRM device, to attach the debugfs files.
+ */
+void
vc4_debugfs_init(struct drm_minor *minor)
{
- return drm_debugfs_create_files(vc4_debugfs_list, VC4_DEBUGFS_ENTRIES,
- minor->debugfs_root, minor);
+ struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
+ struct vc4_debugfs_info_entry *entry;
+
+ debugfs_create_bool("hvs_load_tracker", S_IRUGO | S_IWUSR,
+ minor->debugfs_root, &vc4->load_tracker_enabled);
+
+ list_for_each_entry(entry, &vc4->debugfs_list, link) {
+ drm_debugfs_create_files(&entry->info, 1,
+ minor->debugfs_root, minor);
+ }
+}
+
+static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
+{
+ struct drm_info_node *node = (struct drm_info_node *)m->private;
+ struct debugfs_regset32 *regset = node->info_ent->data;
+ struct drm_printer p = drm_seq_file_printer(m);
+
+ drm_print_regset32(&p, regset);
+
+ return 0;
+}
+
+/**
+ * Registers a debugfs file with a callback function for a vc4 component.
+ *
+ * This is like drm_debugfs_create_files(), but that can only be
+ * called a given DRM minor, while the various VC4 components want to
+ * register their debugfs files during the component bind process. We
+ * track the request and delay it to be called on each minor during
+ * vc4_debugfs_init().
+ */
+void vc4_debugfs_add_file(struct drm_device *dev,
+ const char *name,
+ int (*show)(struct seq_file*, void*),
+ void *data)
+{
+ struct vc4_dev *vc4 = to_vc4_dev(dev);
+
+ struct vc4_debugfs_info_entry *entry =
+ devm_kzalloc(dev->dev, sizeof(*entry), GFP_KERNEL);
+
+ if (!entry)
+ return;
+
+ entry->info.name = name;
+ entry->info.show = show;
+ entry->info.data = data;
+
+ list_add(&entry->link, &vc4->debugfs_list);
+}
+
+void vc4_debugfs_add_regset32(struct drm_device *drm,
+ const char *name,
+ struct debugfs_regset32 *regset)
+{
+ vc4_debugfs_add_file(drm, name, vc4_debugfs_regset32, regset);
}
--
Gitblit v1.6.2