/*
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*
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* (C) COPYRIGHT 2014 ARM Limited. All rights reserved.
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*
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* This program is free software and is provided to you under the terms of the
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* GNU General Public License version 2 as published by the Free Software
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* Foundation, and any use by you of this program is subject to the terms
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* of such GNU licence.
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*
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* A copy of the licence is included with the program, and can also be obtained
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* from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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/**
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*
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*/
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#ifndef _KBASE_BACKEND_TIME_H_
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#define _KBASE_BACKEND_TIME_H_
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/**
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* kbase_backend_get_gpu_time() - Get current GPU time
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* @kbdev: Device pointer
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* @cycle_counter: Pointer to u64 to store cycle counter in
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* @system_time: Pointer to u64 to store system time in
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* @ts: Pointer to struct timespec64 to store current monotonic
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* time in
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*/
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void kbase_backend_get_gpu_time(struct kbase_device *kbdev, u64 *cycle_counter,
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u64 *system_time, struct timespec64 *ts);
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/**
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* kbase_wait_write_flush() - Wait for GPU write flush
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* @kctx: Context pointer
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*
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* Wait 1000 GPU clock cycles. This delay is known to give the GPU time to flush
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* its write buffer.
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*
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* If GPU resets occur then the counters are reset to zero, the delay may not be
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* as expected.
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*
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* This function is only in use for BASE_HW_ISSUE_6367
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*/
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#ifndef CONFIG_MALI_NO_MALI
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void kbase_wait_write_flush(struct kbase_context *kctx);
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#endif
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#endif /* _KBASE_BACKEND_TIME_H_ */
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