2 * Copyright 2015 Advanced Micro Devices, Inc.
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5 * copy of this software and associated documentation files (the "Software"),
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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25 int psm_get_ui_state(struct pp_eventmgr *eventmgr, enum PP_StateUILabel ui_label, unsigned long *state_id)
27 struct pp_power_state *state;
29 struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
32 table_entries = hwmgr->num_ps;
35 for (i = 0; i < table_entries; i++) {
36 if (state->classification.ui_label & ui_label) {
37 *state_id = state->id;
40 state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
45 int psm_get_state_by_classification(struct pp_eventmgr *eventmgr, enum PP_StateClassificationFlag flag, unsigned long *state_id)
47 struct pp_power_state *state;
49 struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
52 table_entries = hwmgr->num_ps;
55 for (i = 0; i < table_entries; i++) {
56 if (state->classification.flags & flag) {
57 *state_id = state->id;
60 state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
65 int psm_set_states(struct pp_eventmgr *eventmgr, unsigned long *state_id)
67 struct pp_power_state *state;
69 struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
72 table_entries = hwmgr->num_ps;
75 for (i = 0; i < table_entries; i++) {
76 if (state->id == *state_id) {
77 hwmgr->request_ps = state;
80 state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
85 int psm_adjust_power_state_dynamic(struct pp_eventmgr *eventmgr, bool skip)
88 struct pp_power_state *pcurrent;
89 struct pp_power_state *requested;
90 struct pp_hwmgr *hwmgr;
96 hwmgr = eventmgr->hwmgr;
97 pcurrent = hwmgr->current_ps;
98 requested = hwmgr->request_ps;
100 if (requested == NULL)
103 if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr, &pcurrent->hardware, &requested->hardware, &equal)))
106 if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) {
107 phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);
108 phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);
109 hwmgr->current_ps = requested;
114 int psm_adjust_power_state_static(struct pp_eventmgr *eventmgr, bool skip)