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

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