1 files changed, 0 insertions, 324 deletions

diff --git a/pvr-source/services4/system/omap4/sgxfreq_on3demand.c b/pvr-source/services4/system/omap4/sgxfreq_on3demand.c
deleted file mode 100755
index c4e4bd9..0000000
--- a/pvr-source/services4/system/omap4/sgxfreq_on3demand.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/*
- * Copyright (C) 2012 Texas Instruments, Inc
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License 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.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/sysfs.h>
-#include <linux/vmalloc.h>
-#include <asm/io.h>
-#include "sgxfreq.h"
-
-static int on3demand_start(struct sgxfreq_sgx_data *data);
-static void on3demand_stop(void);
-static void on3demand_predict(void);
-static void on3demand_frame_done(void);
-static void on3demand_active(void);
-static void on3demand_timeout(struct work_struct *work);
-
-
-static struct sgxfreq_governor on3demand_gov = {
-	.name =	"on3demand",
-	.gov_start = on3demand_start,
-	.gov_stop = on3demand_stop,
-	.sgx_frame_done = on3demand_frame_done,
-	.sgx_active = on3demand_active,
-};
-
-static struct on3demand_data {
-	unsigned int load;
-	unsigned int up_threshold;
-	unsigned int down_threshold;
-	unsigned int history_size;
-	unsigned long prev_total_idle;
-	unsigned long prev_total_active;
-	unsigned int low_load_cnt;
-	unsigned int poll_interval;
-	unsigned long delta_active;
-	unsigned long delta_idle;
-	bool polling_enabled;
-	struct delayed_work work;
-	struct mutex mutex;
-} odd;
-
-#define ON3DEMAND_DEFAULT_UP_THRESHOLD			80
-#define ON3DEMAND_DEFAULT_DOWN_THRESHOLD		30
-#define ON3DEMAND_DEFAULT_HISTORY_SIZE_THRESHOLD	5
-/* For Live wallpaper frame done at interval of ~64ms */
-#define ON3DEMAND_DEFAULT_POLL_INTERVAL			75
-
-/*FIXME: This should be dynamic and queried from platform */
-#define ON3DEMAND_FRAME_DONE_DEADLINE_MS 16
-
-
-/*********************** begin sysfs interface ***********************/
-
-extern struct kobject *sgxfreq_kobj;
-
-static ssize_t show_down_threshold(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "%u\n", odd.down_threshold);
-}
-
-static ssize_t store_down_threshold(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t count)
-{
-	int ret;
-	unsigned int thres;
-
-	ret = sscanf(buf, "%u", &thres);
-	if (ret != 1)
-		return -EINVAL;
-
-	mutex_lock(&odd.mutex);
-
-	if (thres <= 100) {
-		odd.down_threshold = thres;
-		odd.low_load_cnt = 0;
-	} else {
-		return -EINVAL;
-	}
-
-	mutex_unlock(&odd.mutex);
-
-	return count;
-}
-
-static ssize_t show_up_threshold(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "%u\n", odd.up_threshold);
-}
-
-static ssize_t store_up_threshold(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t count)
-{
-	int ret;
-	unsigned int thres;
-
-	ret = sscanf(buf, "%u", &thres);
-	if (ret != 1)
-		return -EINVAL;
-
-	mutex_lock(&odd.mutex);
-
-	if (thres <= 100) {
-		odd.up_threshold = thres;
-		odd.low_load_cnt = 0;
-	} else {
-		return -EINVAL;
-	}
-
-	mutex_unlock(&odd.mutex);
-
-	return count;
-}
-
-static ssize_t show_history_size(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "%u\n", odd.history_size);
-}
-
-static ssize_t store_history_size(struct device *dev,
-	struct device_attribute *attr, const char *buf, size_t count)
-{
-	int ret;
-	unsigned int size;
-
-	ret = sscanf(buf, "%u", &size);
-	if (ret != 1)
-		return -EINVAL;
-
-	mutex_lock(&odd.mutex);
-
-	if (size >= 1) {
-		odd.history_size = size;
-		odd.low_load_cnt = 0;
-	} else {
-		return -EINVAL;
-	}
-
-	mutex_unlock(&odd.mutex);
-
-	return count;
-}
-
-static ssize_t show_load(struct device *dev,
-	struct device_attribute *attr, char *buf)
-{
-	return sprintf(buf, "%u\n", odd.load);
-}
-
-static DEVICE_ATTR(down_threshold, 0644,
-	show_down_threshold, store_down_threshold);
-static DEVICE_ATTR(up_threshold, 0644,
-	show_up_threshold, store_up_threshold);
-static DEVICE_ATTR(history_size, 0644,
-	show_history_size, store_history_size);
-static DEVICE_ATTR(load, 0444,
-	show_load, NULL);
-
-static struct attribute *on3demand_attributes[] = {
-	&dev_attr_down_threshold.attr,
-	&dev_attr_up_threshold.attr,
-	&dev_attr_history_size.attr,
-	&dev_attr_load.attr,
-	NULL
-};
-
-static struct attribute_group on3demand_attr_group = {
-	.attrs = on3demand_attributes,
-	.name = "on3demand",
-};
-/************************ end sysfs interface ************************/
-
-int on3demand_init(void)
-{
-	int ret;
-
-	mutex_init(&odd.mutex);
-
-	ret = sgxfreq_register_governor(&on3demand_gov);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-int on3demand_deinit(void)
-{
-	return 0;
-}
-
-static int on3demand_start(struct sgxfreq_sgx_data *data)
-{
-	int ret;
-
-	odd.load = 0;
-	odd.up_threshold = ON3DEMAND_DEFAULT_UP_THRESHOLD;
-	odd.down_threshold = ON3DEMAND_DEFAULT_DOWN_THRESHOLD;
-	odd.history_size = ON3DEMAND_DEFAULT_HISTORY_SIZE_THRESHOLD;
-	odd.prev_total_active = 0;
-	odd.prev_total_idle = 0;
-	odd.low_load_cnt = 0;
-	odd.poll_interval = ON3DEMAND_DEFAULT_POLL_INTERVAL;
-	odd.polling_enabled = false;
-
-	INIT_DELAYED_WORK(&odd.work, on3demand_timeout);
-
-	ret = sysfs_create_group(sgxfreq_kobj, &on3demand_attr_group);
-	if (ret)
-		return ret;
-
-	return 0;
-}
-
-static void on3demand_stop(void)
-{
-	cancel_delayed_work_sync(&odd.work);
-	sysfs_remove_group(sgxfreq_kobj, &on3demand_attr_group);
-}
-
-static void on3demand_predict(void)
-{
-	static unsigned short first_sample = 1;
-	unsigned long total_active, total_idle;
-	unsigned long freq;
-
-	if (first_sample == 1) {
-		first_sample = 0;
-		odd.prev_total_active = sgxfreq_get_total_active_time();
-		odd.prev_total_idle = sgxfreq_get_total_idle_time();
-		return;
-	}
-
-	/* Sample new active and idle times */
-	total_active = sgxfreq_get_total_active_time();
-	total_idle = sgxfreq_get_total_idle_time();
-
-	/* Compute load */
-	odd.delta_active = __delta32(total_active, odd.prev_total_active);
-	odd.delta_idle = __delta32(total_idle, odd.prev_total_idle);
-
-	/*
-	 * If SGX was active for longer than frame display time (1/fps),
-	 * scale to highest possible frequency.
-	 */
-	if (odd.delta_active > ON3DEMAND_FRAME_DONE_DEADLINE_MS) {
-		odd.low_load_cnt = 0;
-		sgxfreq_set_freq_request(sgxfreq_get_freq_max());
-	}
-
-	if ((odd.delta_active + odd.delta_idle))
-		odd.load = (100 * odd.delta_active / (odd.delta_active + odd.delta_idle));
-
-	odd.prev_total_active = total_active;
-	odd.prev_total_idle = total_idle;
-
-	/* Scale GPU frequency on purpose */
-	if (odd.load >= odd.up_threshold) {
-		odd.low_load_cnt = 0;
-		sgxfreq_set_freq_request(sgxfreq_get_freq_max());
-	} else if (odd.load <= odd.down_threshold) {
-		if (odd.low_load_cnt == odd.history_size) {
-			/* Convert load to frequency */
-			freq = (sgxfreq_get_freq() * odd.load) / 100;
-			sgxfreq_set_freq_request(freq);
-			odd.low_load_cnt = 0;
-		} else {
-			odd.low_load_cnt++;
-		}
-	} else {
-		odd.low_load_cnt = 0;
-	}
-}
-
-
-static void on3demand_active(void)
-{
-	if (!odd.polling_enabled) {
-		sgxfreq_set_freq_request(sgxfreq_get_freq_max());
-		odd.low_load_cnt = 0;
-		odd.polling_enabled = true;
-		schedule_delayed_work(&odd.work, odd.poll_interval * HZ/1000);
-	}
-
-}
-
-static void on3demand_frame_done(void)
-{
-	if (odd.polling_enabled) {
-		cancel_delayed_work_sync(&odd.work);
-		schedule_delayed_work(&odd.work, odd.poll_interval * HZ/1000);
-	}
-	on3demand_predict();
-}
-
-static void on3demand_timeout(struct work_struct *work)
-{
-	/*
-	 * If sgx was idle all throughout timer disable polling and
-	 * enable it on next sgx active event
-	 */
-	if (!odd.delta_active) {
-		sgxfreq_set_freq_request(sgxfreq_get_freq_min());
-		odd.low_load_cnt = 0;
-		odd.polling_enabled = false;
-	} else {
-		on3demand_predict();
-		odd.polling_enabled = true;
-		schedule_delayed_work(&odd.work, odd.poll_interval * HZ/1000);
-	}
-}