| /* |
| * |
| * (C) COPYRIGHT 2014-2015,2018 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_ */ |
