xref: /OK3568_Linux_fs/kernel/drivers/gpu/arm/mali400/mali/platform/arm/arm_core_scaling.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1 /*
2  * Copyright (C) 2013, 2016-2017 ARM Limited. All rights reserved.
3  *
4  * This program is free software and is provided to you under the terms of the GNU General Public License version 2
5  * as published by the Free Software Foundation, and any use by you of this program is subject to the terms of such GNU licence.
6  *
7  * A copy of the licence is included with the program, and can also be obtained from Free Software
8  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
9  */
10 
11 /**
12  * @file arm_core_scaling.h
13  * Example core scaling policy.
14  */
15 
16 #ifndef __ARM_CORE_SCALING_H__
17 #define __ARM_CORE_SCALING_H__
18 
19 struct mali_gpu_utilization_data;
20 
21 /**
22  * Initialize core scaling policy.
23  *
24  * @note The core scaling policy will assume that all PP cores are on initially.
25  *
26  * @param num_pp_cores Total number of PP cores.
27  */
28 void mali_core_scaling_init(int num_pp_cores);
29 
30 /**
31  * Terminate core scaling policy.
32  */
33 void mali_core_scaling_term(void);
34 
35 /**
36  * Update core scaling policy with new utilization data.
37  *
38  * @param data Utilization data.
39  */
40 void mali_core_scaling_update(struct mali_gpu_utilization_data *data);
41 
42 void mali_core_scaling_sync(int num_cores);
43 
44 #endif /* __ARM_CORE_SCALING_H__ */
45