1 // SPDX-License-Identifier: GPL-2.0-only
3 * Copyright © 2014 Broadcom
6 #include <drm/drm_drv.h>
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>
18 * Called at drm_dev_register() time on each of the minors registered
19 * by the DRM device, to attach the debugfs files.
22 vc4_debugfs_init(struct drm_minor *minor)
24 struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
25 struct drm_device *drm = &vc4->base;
27 drm_WARN_ON(drm, vc4_hvs_debugfs_init(minor));
30 drm_WARN_ON(drm, vc4_bo_debugfs_init(minor));
31 drm_WARN_ON(drm, vc4_v3d_debugfs_init(minor));
35 static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
37 struct drm_info_node *node = (struct drm_info_node *)m->private;
38 struct drm_device *drm = node->minor->dev;
39 struct debugfs_regset32 *regset = node->info_ent->data;
40 struct drm_printer p = drm_seq_file_printer(m);
43 if (!drm_dev_enter(drm, &idx))
46 drm_print_regset32(&p, regset);
53 int vc4_debugfs_add_file(struct drm_minor *minor,
55 int (*show)(struct seq_file*, void*),
58 struct drm_device *dev = minor->dev;
59 struct dentry *root = minor->debugfs_root;
60 struct drm_info_list *file;
62 file = drmm_kzalloc(dev, sizeof(*file), GFP_KERNEL);
70 drm_debugfs_create_files(file, 1, root, minor);
75 int vc4_debugfs_add_regset32(struct drm_minor *minor,
77 struct debugfs_regset32 *regset)
79 return vc4_debugfs_add_file(minor, name, vc4_debugfs_regset32, regset);