drivers/gpu/msm/adreno_debugfs.c - kernel/msm-4.9 - Gitiles

 /* 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);
 }
	/* 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);
	}