1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright © 2014 Broadcom
4 */
5
6#include <drm/drm_drv.h>
7#include <drm/drm_print.h>
8
9#include <linux/seq_file.h>
10#include <linux/circ_buf.h>
11#include <linux/ctype.h>
12#include <linux/debugfs.h>
13#include <linux/platform_device.h>
14
15#include "vc4_drv.h"
16#include "vc4_regs.h"
17
18/*
19 * Called at drm_dev_register() time on each of the minors registered
20 * by the DRM device, to attach the debugfs files.
21 */
22void
23vc4_debugfs_init(struct drm_minor *minor)
24{
25 struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
26 struct drm_device *drm = &vc4->base;
27
28 drm_WARN_ON(drm, vc4_hvs_debugfs_init(minor));
29
30 if (vc4->v3d) {
31 drm_WARN_ON(drm, vc4_bo_debugfs_init(minor));
32 drm_WARN_ON(drm, vc4_v3d_debugfs_init(minor));
33 }
34}
35
36static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
37{
38 struct drm_debugfs_entry *entry = m->private;
39 struct drm_device *drm = entry->dev;
40 struct debugfs_regset32 *regset = entry->file.data;
41 struct drm_printer p = drm_seq_file_printer(f: m);
42 int idx;
43
44 if (!drm_dev_enter(dev: drm, idx: &idx))
45 return -ENODEV;
46
47 drm_print_regset32(p: &p, regset);
48
49 drm_dev_exit(idx);
50
51 return 0;
52}
53
54void vc4_debugfs_add_regset32(struct drm_device *drm,
55 const char *name,
56 struct debugfs_regset32 *regset)
57{
58 drm_debugfs_add_file(dev: drm, name, show: vc4_debugfs_regset32, data: regset);
59}
60

source code of linux/drivers/gpu/drm/vc4/vc4_debugfs.c