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e92a0370 RZ |
1 | /* |
2 | * Copyright 2015 Advanced Micro Devices, Inc. | |
3 | * | |
4 | * Permission is hereby granted, free of charge, to any person obtaining a | |
5 | * copy of this software and associated documentation files (the "Software"), | |
6 | * to deal in the Software without restriction, including without limitation | |
7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
8 | * and/or sell copies of the Software, and to permit persons to whom the | |
9 | * Software is furnished to do so, subject to the following conditions: | |
10 | * | |
11 | * The above copyright notice and this permission notice shall be included in | |
12 | * all copies or substantial portions of the Software. | |
13 | * | |
14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |
18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |
19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |
20 | * OTHER DEALINGS IN THE SOFTWARE. | |
21 | * | |
22 | */ | |
23 | #include "psm.h" | |
24 | ||
25 | int psm_get_ui_state(struct pp_eventmgr *eventmgr, enum PP_StateUILabel ui_label, unsigned long *state_id) | |
26 | { | |
27 | struct pp_power_state *state; | |
28 | int table_entries; | |
29 | struct pp_hwmgr *hwmgr = eventmgr->hwmgr; | |
30 | int i; | |
31 | ||
32 | table_entries = hwmgr->num_ps; | |
33 | state = hwmgr->ps; | |
34 | ||
35 | for (i = 0; i < table_entries; i++) { | |
36 | if (state->classification.ui_label & ui_label) { | |
37 | *state_id = state->id; | |
38 | return 0; | |
39 | } | |
09b7a986 | 40 | state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size); |
e92a0370 RZ |
41 | } |
42 | return -1; | |
43 | } | |
44 | ||
45 | int psm_get_state_by_classification(struct pp_eventmgr *eventmgr, enum PP_StateClassificationFlag flag, unsigned long *state_id) | |
46 | { | |
47 | struct pp_power_state *state; | |
48 | int table_entries; | |
49 | struct pp_hwmgr *hwmgr = eventmgr->hwmgr; | |
50 | int i; | |
51 | ||
52 | table_entries = hwmgr->num_ps; | |
53 | state = hwmgr->ps; | |
54 | ||
55 | for (i = 0; i < table_entries; i++) { | |
56 | if (state->classification.flags & flag) { | |
57 | *state_id = state->id; | |
58 | return 0; | |
59 | } | |
09b7a986 | 60 | state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size); |
e92a0370 RZ |
61 | } |
62 | return -1; | |
63 | } | |
64 | ||
018462d0 | 65 | int psm_set_states(struct pp_eventmgr *eventmgr, unsigned long *state_id) |
e92a0370 RZ |
66 | { |
67 | struct pp_power_state *state; | |
68 | int table_entries; | |
69 | struct pp_hwmgr *hwmgr = eventmgr->hwmgr; | |
70 | int i; | |
71 | ||
72 | table_entries = hwmgr->num_ps; | |
48fad3af | 73 | |
e92a0370 RZ |
74 | state = hwmgr->ps; |
75 | ||
76 | for (i = 0; i < table_entries; i++) { | |
77 | if (state->id == *state_id) { | |
48fad3af | 78 | memcpy(hwmgr->request_ps, state, hwmgr->ps_size); |
e92a0370 RZ |
79 | return 0; |
80 | } | |
09b7a986 | 81 | state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size); |
e92a0370 RZ |
82 | } |
83 | return -1; | |
84 | } | |
85 | ||
e92a0370 RZ |
86 | int psm_adjust_power_state_dynamic(struct pp_eventmgr *eventmgr, bool skip) |
87 | { | |
88 | ||
f4caf3e5 RZ |
89 | struct pp_power_state *pcurrent; |
90 | struct pp_power_state *requested; | |
e92a0370 | 91 | struct pp_hwmgr *hwmgr; |
f4caf3e5 | 92 | bool equal; |
e92a0370 RZ |
93 | |
94 | if (skip) | |
95 | return 0; | |
96 | ||
97 | hwmgr = eventmgr->hwmgr; | |
98 | pcurrent = hwmgr->current_ps; | |
99 | requested = hwmgr->request_ps; | |
100 | ||
f4caf3e5 RZ |
101 | if (requested == NULL) |
102 | return 0; | |
103 | ||
9716ebc3 RZ |
104 | phm_apply_state_adjust_rules(hwmgr, requested, pcurrent); |
105 | ||
f4caf3e5 RZ |
106 | if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr, &pcurrent->hardware, &requested->hardware, &equal))) |
107 | equal = false; | |
108 | ||
109 | if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) { | |
e92a0370 | 110 | phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware); |
48fad3af | 111 | memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size); |
e92a0370 RZ |
112 | } |
113 | return 0; | |
114 | } | |
115 | ||
116 | int psm_adjust_power_state_static(struct pp_eventmgr *eventmgr, bool skip) | |
117 | { | |
118 | return 0; | |
119 | } |