From bca6272f79877458413f316b63d829e82bb4cbc5 Mon Sep 17 00:00:00 2001 From: Wookey Date: Fri, 16 Feb 2018 01:58:08 +0000 Subject: Use upstream source layout --- .../gpu/arm/midgard/backend/gpu/mali_kbase_time.h | 52 ++++++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100755 driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h (limited to 'driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h') diff --git a/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h new file mode 100755 index 0000000..35088ab --- /dev/null +++ b/driver/product/kernel/drivers/gpu/arm/midgard/backend/gpu/mali_kbase_time.h @@ -0,0 +1,52 @@ +/* + * + * (C) COPYRIGHT 2014-2015 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. + * + * A copy of the licence is included with the program, and can also be obtained + * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + * Boston, MA 02110-1301, USA. + * + */ + + + +#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 + * @kctx: Context pointer + * + * 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_context *kctx) +{ +} +#else +void kbase_wait_write_flush(struct kbase_context *kctx); +#endif + +#endif /* _KBASE_BACKEND_TIME_H_ */ -- cgit v1.2.3