Merge "msm: kgsl: Take devfreq event lock for ddr qos vote"

// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.

 * Copyright (c) 2019-2021, The Linux Foundation. All rights reserved.

 */

#include <linux/interconnect.h>

	if (new_min_freq == cur_min_freq)

		return;

	/*

	 * We need the event lock to protect against concurrent governor

	 * re-assignments.

	 */

	event_mutex_lock(dev);

	mutex_lock(&dev->lock);

	/*

	 * Update both min/max to make sure correct vote is set regardless

	 * of the governor, which can be changed from sysfs

	 */

	dev->min_freq = new_min_freq;

	dev->max_freq = new_min_freq;

	ret = update_devfreq(dev);

	mutex_unlock(&dev->lock);

	event_mutex_unlock(dev);

	if (!ret)

		cur_min_freq = new_min_freq;