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1 | /* |
2 | * | |
51f89798 | 3 | * (C) COPYRIGHT 2012-2016 ARM Limited. All rights reserved. |
d25bc64b JY |
4 | * |
5 | * This program is free software and is provided to you under the terms of the | |
6 | * GNU General Public License version 2 as published by the Free Software | |
7 | * Foundation, and any use by you of this program is subject to the terms | |
8 | * of such GNU licence. | |
9 | * | |
10 | * A copy of the licence is included with the program, and can also be obtained | |
11 | * from Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
12 | * Boston, MA 02110-1301, USA. | |
13 | * | |
14 | */ | |
15 | ||
16 | ||
17 | ||
18 | ||
19 | ||
20 | /* | |
21 | * "Coarse Demand" power management policy | |
22 | */ | |
23 | ||
24 | #include <mali_kbase.h> | |
25 | #include <mali_kbase_pm.h> | |
26 | ||
27 | static u64 coarse_demand_get_core_mask(struct kbase_device *kbdev) | |
28 | { | |
29 | if (kbdev->pm.active_count == 0) | |
30 | return 0; | |
31 | ||
32 | return kbdev->gpu_props.props.raw_props.shader_present; | |
33 | } | |
34 | ||
35 | static bool coarse_demand_get_core_active(struct kbase_device *kbdev) | |
36 | { | |
37 | if (0 == kbdev->pm.active_count && !(kbdev->shader_needed_bitmap | | |
51f89798 JY |
38 | kbdev->shader_inuse_bitmap) && !kbdev->tiler_needed_cnt |
39 | && !kbdev->tiler_inuse_cnt) | |
d25bc64b JY |
40 | return false; |
41 | ||
42 | return true; | |
43 | } | |
44 | ||
45 | static void coarse_demand_init(struct kbase_device *kbdev) | |
46 | { | |
47 | CSTD_UNUSED(kbdev); | |
48 | } | |
49 | ||
50 | static void coarse_demand_term(struct kbase_device *kbdev) | |
51 | { | |
52 | CSTD_UNUSED(kbdev); | |
53 | } | |
54 | ||
55 | /* The struct kbase_pm_policy structure for the demand power policy. | |
56 | * | |
57 | * This is the static structure that defines the demand power policy's callback | |
58 | * and name. | |
59 | */ | |
60 | const struct kbase_pm_policy kbase_pm_coarse_demand_policy_ops = { | |
61 | "coarse_demand", /* name */ | |
62 | coarse_demand_init, /* init */ | |
63 | coarse_demand_term, /* term */ | |
64 | coarse_demand_get_core_mask, /* get_core_mask */ | |
65 | coarse_demand_get_core_active, /* get_core_active */ | |
66 | 0u, /* flags */ | |
67 | KBASE_PM_POLICY_ID_COARSE_DEMAND, /* id */ | |
68 | }; | |
69 | ||
70 | KBASE_EXPORT_TEST_API(kbase_pm_coarse_demand_policy_ops); |