blob: 2a1d352a2f510dd455175f24ab627705d1ef5916 [file] [log] [blame]
/* Copyright (c) 2002,2008-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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/export.h>
#include <linux/delay.h>
#include <linux/debugfs.h>
#include <linux/uaccess.h>
#include <linux/io.h>
#include "kgsl.h"
#include "adreno.h"
#include "kgsl_sync.h"
static int _isdb_set(void *data, u64 val)
{
struct kgsl_device *device = data;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
/* Once ISDB goes enabled it stays enabled */
if (test_bit(ADRENO_DEVICE_ISDB_ENABLED, &adreno_dev->priv))
return 0;
mutex_lock(&device->mutex);
/*
* Bring down the GPU so we can bring it back up with the correct power
* and clock settings
*/
kgsl_pwrctrl_change_state(device, KGSL_STATE_SUSPEND);
set_bit(ADRENO_DEVICE_ISDB_ENABLED, &adreno_dev->priv);
kgsl_pwrctrl_change_state(device, KGSL_STATE_SLUMBER);
mutex_unlock(&device->mutex);
return 0;
}
static int _isdb_get(void *data, u64 *val)
{
struct kgsl_device *device = data;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
*val = (u64) test_bit(ADRENO_DEVICE_ISDB_ENABLED, &adreno_dev->priv);
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(_isdb_fops, _isdb_get, _isdb_set, "%llu\n");
static int _lm_limit_set(void *data, u64 val)
{
struct kgsl_device *device = data;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
if (!ADRENO_FEATURE(adreno_dev, ADRENO_LM))
return 0;
/* assure value is between 3A and 10A */
if (val > 10000)
val = 10000;
else if (val < 3000)
val = 3000;
adreno_dev->lm_limit = val;
if (test_bit(ADRENO_LM_CTRL, &adreno_dev->pwrctrl_flag)) {
mutex_lock(&device->mutex);
kgsl_pwrctrl_change_state(device, KGSL_STATE_SUSPEND);
kgsl_pwrctrl_change_state(device, KGSL_STATE_SLUMBER);
mutex_unlock(&device->mutex);
}
return 0;
}
static int _lm_limit_get(void *data, u64 *val)
{
struct kgsl_device *device = data;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
if (!ADRENO_FEATURE(adreno_dev, ADRENO_LM))
*val = 0;
*val = (u64) adreno_dev->lm_limit;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(_lm_limit_fops, _lm_limit_get, _lm_limit_set, "%llu\n");
static int _lm_threshold_count_get(void *data, u64 *val)
{
struct kgsl_device *device = data;
struct adreno_device *adreno_dev = ADRENO_DEVICE(device);
if (!ADRENO_FEATURE(adreno_dev, ADRENO_LM))
*val = 0;
else
*val = (u64) adreno_dev->lm_threshold_cross;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(_lm_threshold_fops, _lm_threshold_count_get,
NULL, "%llu\n");
static int _active_count_get(void *data, u64 *val)
{
struct kgsl_device *device = data;
unsigned int i = atomic_read(&device->active_cnt);
*val = (u64) i;
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(_active_count_fops, _active_count_get, NULL, "%llu\n");
typedef void (*reg_read_init_t)(struct kgsl_device *device);
typedef void (*reg_read_fill_t)(struct kgsl_device *device, int i,
unsigned int *vals, int linec);
static void sync_event_print(struct seq_file *s,
struct kgsl_drawobj_sync_event *sync_event)
{
switch (sync_event->type) {
case KGSL_CMD_SYNCPOINT_TYPE_TIMESTAMP: {
seq_printf(s, "sync: ctx: %d ts: %d",
sync_event->context->id, sync_event->timestamp);
break;
}
case KGSL_CMD_SYNCPOINT_TYPE_FENCE: {
seq_printf(s, "sync: [%pK] %s", sync_event->handle,
sync_event->fence_name);
break;
}
default:
seq_printf(s, "sync: type: %d", sync_event->type);
break;
}
}
struct flag_entry {
unsigned long mask;
const char *str;
};
static const struct flag_entry drawobj_flags[] = {KGSL_DRAWOBJ_FLAGS};
static const struct flag_entry cmdobj_priv[] = {
{ CMDOBJ_SKIP, "skip"},
{ CMDOBJ_FORCE_PREAMBLE, "force_preamble"},
{ CMDOBJ_WFI, "wait_for_idle" },
};
static const struct flag_entry context_flags[] = {KGSL_CONTEXT_FLAGS};
/*
* Note that the ADRENO_CONTEXT_* flags start at
* KGSL_CONTEXT_PRIV_DEVICE_SPECIFIC so it is ok to cross the streams here.
*/
static const struct flag_entry context_priv[] = {
{ KGSL_CONTEXT_PRIV_SUBMITTED, "submitted"},
{ KGSL_CONTEXT_PRIV_DETACHED, "detached"},
{ KGSL_CONTEXT_PRIV_INVALID, "invalid"},
{ KGSL_CONTEXT_PRIV_PAGEFAULT, "pagefault"},
{ ADRENO_CONTEXT_FAULT, "fault"},
{ ADRENO_CONTEXT_GPU_HANG, "gpu_hang"},
{ ADRENO_CONTEXT_GPU_HANG_FT, "gpu_hang_ft"},
{ ADRENO_CONTEXT_SKIP_EOF, "skip_end_of_frame" },
{ ADRENO_CONTEXT_FORCE_PREAMBLE, "force_preamble"},
};
static void print_flags(struct seq_file *s, const struct flag_entry *table,
size_t table_size, unsigned long flags)
{
int i;
int first = 1;
for (i = 0; i < table_size; i++) {
if (flags & table[i].mask) {
seq_printf(s, "%c%s", first ? '\0' : '|', table[i].str);
flags &= ~(table[i].mask);
first = 0;
}
}
if (flags) {
seq_printf(s, "%c0x%lx", first ? '\0' : '|', flags);
first = 0;
}
if (first)
seq_puts(s, "None");
}
static void syncobj_print(struct seq_file *s,
struct kgsl_drawobj_sync *syncobj)
{
struct kgsl_drawobj_sync_event *event;
unsigned int i;
seq_puts(s, " syncobj ");
for (i = 0; i < syncobj->numsyncs; i++) {
event = &syncobj->synclist[i];
if (!kgsl_drawobj_event_pending(syncobj, i))
continue;
sync_event_print(s, event);
seq_puts(s, "\n");
}
}
static void cmdobj_print(struct seq_file *s,
struct kgsl_drawobj_cmd *cmdobj)
{
struct kgsl_drawobj *drawobj = DRAWOBJ(cmdobj);
if (drawobj->type == CMDOBJ_TYPE)
seq_puts(s, " cmdobj ");
else
seq_puts(s, " markerobj ");
seq_printf(s, "\t %d ", drawobj->timestamp);
seq_puts(s, " priv: ");
print_flags(s, cmdobj_priv, ARRAY_SIZE(cmdobj_priv),
cmdobj->priv);
}
static void drawobj_print(struct seq_file *s,
struct kgsl_drawobj *drawobj)
{
if (!kref_get_unless_zero(&drawobj->refcount))
return;
if (drawobj->type == SYNCOBJ_TYPE)
syncobj_print(s, SYNCOBJ(drawobj));
else if ((drawobj->type == CMDOBJ_TYPE) ||
(drawobj->type == MARKEROBJ_TYPE))
cmdobj_print(s, CMDOBJ(drawobj));
seq_puts(s, " flags: ");
print_flags(s, drawobj_flags, ARRAY_SIZE(drawobj_flags),
drawobj->flags);
kgsl_drawobj_put(drawobj);
seq_puts(s, "\n");
}
static const char *ctx_type_str(unsigned int type)
{
int i;
struct flag_entry table[] = {KGSL_CONTEXT_TYPES};
for (i = 0; i < ARRAY_SIZE(table); i++)
if (type == table[i].mask)
return table[i].str;
return "UNKNOWN";
}
static int ctx_print(struct seq_file *s, void *unused)
{
struct adreno_context *drawctxt = s->private;
unsigned int i;
struct kgsl_event *event;
unsigned int queued = 0, consumed = 0, retired = 0;
seq_printf(s, "id: %d type: %s priority: %d process: %s (%d) tid: %d\n",
drawctxt->base.id,
ctx_type_str(drawctxt->type),
drawctxt->base.priority,
drawctxt->base.proc_priv->comm,
drawctxt->base.proc_priv->pid,
drawctxt->base.tid);
seq_puts(s, "flags: ");
print_flags(s, context_flags, ARRAY_SIZE(context_flags),
drawctxt->base.flags & ~(KGSL_CONTEXT_PRIORITY_MASK
| KGSL_CONTEXT_TYPE_MASK));
seq_puts(s, " priv: ");
print_flags(s, context_priv, ARRAY_SIZE(context_priv),
drawctxt->base.priv);
seq_puts(s, "\n");
seq_puts(s, "timestamps: ");
kgsl_readtimestamp(drawctxt->base.device, &drawctxt->base,
KGSL_TIMESTAMP_QUEUED, &queued);
kgsl_readtimestamp(drawctxt->base.device, &drawctxt->base,
KGSL_TIMESTAMP_CONSUMED, &consumed);
kgsl_readtimestamp(drawctxt->base.device, &drawctxt->base,
KGSL_TIMESTAMP_RETIRED, &retired);
seq_printf(s, "queued: %u consumed: %u retired: %u global:%u\n",
queued, consumed, retired,
drawctxt->internal_timestamp);
seq_puts(s, "drawqueue:\n");
spin_lock(&drawctxt->lock);
for (i = drawctxt->drawqueue_head;
i != drawctxt->drawqueue_tail;
i = DRAWQUEUE_NEXT(i, ADRENO_CONTEXT_DRAWQUEUE_SIZE))
drawobj_print(s, drawctxt->drawqueue[i]);
spin_unlock(&drawctxt->lock);
seq_puts(s, "events:\n");
spin_lock(&drawctxt->base.events.lock);
list_for_each_entry(event, &drawctxt->base.events.events, node)
seq_printf(s, "\t%d: %pF created: %u\n", event->timestamp,
event->func, event->created);
spin_unlock(&drawctxt->base.events.lock);
return 0;
}
static int ctx_open(struct inode *inode, struct file *file)
{
int ret;
unsigned int id = (unsigned int)(unsigned long)inode->i_private;
struct kgsl_context *context;
context = kgsl_context_get(kgsl_get_device(KGSL_DEVICE_3D0), id);
if (context == NULL)
return -ENODEV;
ret = single_open(file, ctx_print, context);
if (ret)
kgsl_context_put(context);
return ret;
}
static int ctx_release(struct inode *inode, struct file *file)
{
struct kgsl_context *context;
context = ((struct seq_file *)file->private_data)->private;
kgsl_context_put(context);
return single_release(inode, file);
}
static const struct file_operations ctx_fops = {
.open = ctx_open,
.read = seq_read,
.llseek = seq_lseek,
.release = ctx_release,
};
void
adreno_context_debugfs_init(struct adreno_device *adreno_dev,
struct adreno_context *ctx)
{
unsigned char name[16];
snprintf(name, sizeof(name), "%d", ctx->base.id);
ctx->debug_root = debugfs_create_file(name, 0444,
adreno_dev->ctx_d_debugfs,
(void *)(unsigned long)ctx->base.id, &ctx_fops);
}
void adreno_debugfs_init(struct adreno_device *adreno_dev)
{
struct kgsl_device *device = KGSL_DEVICE(adreno_dev);
if (!device->d_debugfs || IS_ERR(device->d_debugfs))
return;
debugfs_create_file("active_cnt", 0444, device->d_debugfs, device,
&_active_count_fops);
adreno_dev->ctx_d_debugfs = debugfs_create_dir("ctx",
device->d_debugfs);
if (ADRENO_FEATURE(adreno_dev, ADRENO_LM)) {
debugfs_create_file("lm_limit", 0644, device->d_debugfs, device,
&_lm_limit_fops);
debugfs_create_file("lm_threshold_count", 0444,
device->d_debugfs, device, &_lm_threshold_fops);
}
if (adreno_is_a5xx(adreno_dev))
debugfs_create_file("isdb", 0644, device->d_debugfs,
device, &_isdb_fops);
}