1 // SPDX-License-Identifier: GPL-2.0-only
6  * Copyright (C) 2011-2013 NVIDIA Corporation
31 	int len;  in host1x_debug_output()  local
34 	len = vsnprintf(o->buf, sizeof(o->buf), fmt, args);  in host1x_debug_output()
37 	o->fn(o->ctx, o->buf, len, false);  in host1x_debug_output()
43 	int len;  in host1x_debug_cont()  local
46 	len = vsnprintf(o->buf, sizeof(o->buf), fmt, args);  in host1x_debug_cont()
49 	o->fn(o->ctx, o->buf, len, true);  in host1x_debug_cont()
54 	struct host1x *m = dev_get_drvdata(ch->dev->parent);  in show_channel()
58 	err = pm_runtime_resume_and_get(m->dev);  in show_channel()
62 	mutex_lock(&ch->cdma.lock);  in show_channel()
71 	mutex_unlock(&ch->cdma.lock);  in show_channel()
73 	pm_runtime_put(m->dev);  in show_channel()
85 	host1x_debug_output(o, "---- syncpts ----\n");  in show_syncpts()
87 	err = pm_runtime_resume_and_get(m->dev);  in show_syncpts()
92 		u32 max = host1x_syncpt_read_max(m->syncpt + i);  in show_syncpts()
93 		u32 min = host1x_syncpt_load(m->syncpt + i);  in show_syncpts()  local
96 		spin_lock_irqsave(&m->syncpt[i].fences.lock, irqflags);  in show_syncpts()
97 		list_for_each(pos, &m->syncpt[i].fences.list)  in show_syncpts()
99 		spin_unlock_irqrestore(&m->syncpt[i].fences.lock, irqflags);  in show_syncpts()
101 		if (!kref_read(&m->syncpt[i].ref))  in show_syncpts()
104 		if (!show_all && !min && !max && !waiters)  in show_syncpts()
108 				    "id %u (%s) min %d max %d (%d waiters)\n",  in show_syncpts()
109 				    i, m->syncpt[i].name, min, max, waiters);  in show_syncpts()
115 		base_val = host1x_syncpt_load_wait_base(m->syncpt + i);  in show_syncpts()
121 	pm_runtime_put(m->dev);  in show_syncpts()
132 	host1x_debug_output(o, "---- channels ----\n");  in show_all()
134 	for (i = 0; i < m->info->nb_channels; ++i) {  in show_all()
151 	show_all(s->private, &o, true);  in host1x_debug_all_show()
164 	show_all(s->private, &o, false);  in host1x_debug_show()
172 	struct dentry *de = debugfs_create_dir("tegra-host1x", NULL);  in host1x_debugfs_init()
175 	host1x->debugfs = de;  in host1x_debugfs_init()
196 	debugfs_remove_recursive(host1x->debugfs);  in host1x_debugfs_exit()