drivers/gpu/arm/midgard/mali_kbase_hwaccess_time.h

/*
 *
 * (C) COPYRIGHT 2014,2018 ARM Limited. All rights reserved.
 *
 * This program is free software and is provided to you under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation, and any use by you of this program is subject to the terms
 * of such GNU licence.
 *
 * 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, you can access it online at
 * http://www.gnu.org/licenses/gpl-2.0.html.
 *
 * SPDX-License-Identifier: GPL-2.0
 *
 */


/**
 *
 */

#ifndef _KBASE_BACKEND_TIME_H_
#define _KBASE_BACKEND_TIME_H_

/**
 * kbase_backend_get_gpu_time() - Get current GPU time
 * @kbdev:		Device pointer
 * @cycle_counter:	Pointer to u64 to store cycle counter in
 * @system_time:	Pointer to u64 to store system time in
 * @ts:			Pointer to struct timespec to store current monotonic
 *			time in
 */
void kbase_backend_get_gpu_time(struct kbase_device *kbdev, u64 *cycle_counter,
				u64 *system_time, struct timespec *ts);

/**
 * kbase_wait_write_flush() -  Wait for GPU write flush
 * @kbdev:	Kbase device
 *
 * Wait 1000 GPU clock cycles. This delay is known to give the GPU time to flush
 * its write buffer.
 *
 * If GPU resets occur then the counters are reset to zero, the delay may not be
 * as expected.
 *
 * This function is only in use for BASE_HW_ISSUE_6367
 */
#ifdef CONFIG_MALI_NO_MALI
static inline void kbase_wait_write_flush(struct kbase_device *kbdev)
{
}
#else
void kbase_wait_write_flush(struct kbase_device *kbdev);
#endif

#endif /* _KBASE_BACKEND_TIME_H_ */