Release 4.11 drivers/gpu/host1x/debug.c
/*
* Copyright (C) 2010 Google, Inc.
* Author: Erik Gilling <konkers@android.com>
*
* Copyright (C) 2011-2013 NVIDIA Corporation
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include "dev.h"
#include "debug.h"
#include "channel.h"
unsigned int host1x_debug_trace_cmdbuf;
static pid_t host1x_debug_force_timeout_pid;
static u32 host1x_debug_force_timeout_val;
static u32 host1x_debug_force_timeout_channel;
void host1x_debug_output(struct output *o, const char *fmt, ...)
{
va_list args;
int len;
va_start(args, fmt);
len = vsnprintf(o->buf, sizeof(o->buf), fmt, args);
va_end(args);
o->fn(o->ctx, o->buf, len);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 70 | 100.00% | 1 | 100.00% |
| Total | 70 | 100.00% | 1 | 100.00% |
static int show_channels(struct host1x_channel *ch, void *data, bool show_fifo)
{
struct host1x *m = dev_get_drvdata(ch->dev->parent);
struct output *o = data;
mutex_lock(&ch->reflock);
if (ch->refcount) {
mutex_lock(&ch->cdma.lock);
if (show_fifo)
host1x_hw_show_channel_fifo(m, ch, o);
host1x_hw_show_channel_cdma(m, ch, o);
mutex_unlock(&ch->cdma.lock);
}
mutex_unlock(&ch->reflock);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 108 | 100.00% | 1 | 100.00% |
| Total | 108 | 100.00% | 1 | 100.00% |
static void show_syncpts(struct host1x *m, struct output *o)
{
unsigned int i;
host1x_debug_output(o, "---- syncpts ----\n");
for (i = 0; i < host1x_syncpt_nb_pts(m); i++) {
u32 max = host1x_syncpt_read_max(m->syncpt + i);
u32 min = host1x_syncpt_load(m->syncpt + i);
if (!min && !max)
continue;
host1x_debug_output(o, "id %u (%s) min %d max %d\n",
i, m->syncpt[i].name, min, max);
}
for (i = 0; i < host1x_syncpt_nb_bases(m); i++) {
u32 base_val;
base_val = host1x_syncpt_load_wait_base(m->syncpt + i);
if (base_val)
host1x_debug_output(o, "waitbase id %u val %d\n", i,
base_val);
}
host1x_debug_output(o, "\n");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 151 | 98.05% | 1 | 50.00% |
| Thierry Reding | 3 | 1.95% | 1 | 50.00% |
| Total | 154 | 100.00% | 2 | 100.00% |
static void show_all(struct host1x *m, struct output *o)
{
struct host1x_channel *ch;
host1x_hw_show_mlocks(m, o);
show_syncpts(m, o);
host1x_debug_output(o, "---- channels ----\n");
host1x_for_each_channel(m, ch)
show_channels(ch, o, true);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 57 | 100.00% | 1 | 100.00% |
| Total | 57 | 100.00% | 1 | 100.00% |
static void show_all_no_fifo(struct host1x *host1x, struct output *o)
{
struct host1x_channel *ch;
host1x_hw_show_mlocks(host1x, o);
show_syncpts(host1x, o);
host1x_debug_output(o, "---- channels ----\n");
host1x_for_each_channel(host1x, ch)
show_channels(ch, o, false);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 57 | 100.00% | 1 | 100.00% |
| Total | 57 | 100.00% | 1 | 100.00% |
static int host1x_debug_show_all(struct seq_file *s, void *unused)
{
struct output o = {
.fn = write_to_seqfile,
.ctx = s
};
show_all(s->private, &o);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 44 | 100.00% | 1 | 100.00% |
| Total | 44 | 100.00% | 1 | 100.00% |
static int host1x_debug_show(struct seq_file *s, void *unused)
{
struct output o = {
.fn = write_to_seqfile,
.ctx = s
};
show_all_no_fifo(s->private, &o);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 44 | 100.00% | 1 | 100.00% |
| Total | 44 | 100.00% | 1 | 100.00% |
static int host1x_debug_open_all(struct inode *inode, struct file *file)
{
return single_open(file, host1x_debug_show_all, inode->i_private);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
static const struct file_operations host1x_debug_all_fops = {
.open = host1x_debug_open_all,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int host1x_debug_open(struct inode *inode, struct file *file)
{
return single_open(file, host1x_debug_show, inode->i_private);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
static const struct file_operations host1x_debug_fops = {
.open = host1x_debug_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void host1x_debugfs_init(struct host1x *host1x)
{
struct dentry *de = debugfs_create_dir("tegra-host1x", NULL);
if (!de)
return;
/* Store the created entry */
host1x->debugfs = de;
debugfs_create_file("status", S_IRUGO, de, host1x, &host1x_debug_fops);
debugfs_create_file("status_all", S_IRUGO, de, host1x,
&host1x_debug_all_fops);
debugfs_create_u32("trace_cmdbuf", S_IRUGO|S_IWUSR, de,
&host1x_debug_trace_cmdbuf);
host1x_hw_debug_init(host1x, de);
debugfs_create_u32("force_timeout_pid", S_IRUGO|S_IWUSR, de,
&host1x_debug_force_timeout_pid);
debugfs_create_u32("force_timeout_val", S_IRUGO|S_IWUSR, de,
&host1x_debug_force_timeout_val);
debugfs_create_u32("force_timeout_channel", S_IRUGO|S_IWUSR, de,
&host1x_debug_force_timeout_channel);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 125 | 98.43% | 1 | 50.00% |
| Thierry Reding | 2 | 1.57% | 1 | 50.00% |
| Total | 127 | 100.00% | 2 | 100.00% |
static void host1x_debugfs_exit(struct host1x *host1x)
{
debugfs_remove_recursive(host1x->debugfs);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 16 | 88.89% | 1 | 50.00% |
| Thierry Reding | 2 | 11.11% | 1 | 50.00% |
| Total | 18 | 100.00% | 2 | 100.00% |
void host1x_debug_init(struct host1x *host1x)
{
if (IS_ENABLED(CONFIG_DEBUG_FS))
host1x_debugfs_init(host1x);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thierry Reding | 14 | 63.64% | 1 | 50.00% |
| Terje Bergstrom | 8 | 36.36% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
void host1x_debug_deinit(struct host1x *host1x)
{
if (IS_ENABLED(CONFIG_DEBUG_FS))
host1x_debugfs_exit(host1x);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Thierry Reding | 14 | 63.64% | 1 | 50.00% |
| Terje Bergstrom | 8 | 36.36% | 1 | 50.00% |
| Total | 22 | 100.00% | 2 | 100.00% |
void host1x_debug_dump(struct host1x *host1x)
{
struct output o = {
.fn = write_to_printk
};
show_all(host1x, &o);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
void host1x_debug_dump_syncpts(struct host1x *host1x)
{
struct output o = {
.fn = write_to_printk
};
show_syncpts(host1x, &o);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 29 | 100.00% | 1 | 100.00% |
| Total | 29 | 100.00% | 1 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Terje Bergstrom | 896 | 96.24% | 1 | 33.33% |
| Thierry Reding | 35 | 3.76% | 2 | 66.67% |
| Total | 931 | 100.00% | 3 | 100.00% |
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