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
12 * all copies or substantial portions of the Software.
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;
76 for (i = 0; i < table_entries; i++) {
77 if (state->id == *state_id) {
78 memcpy(hwmgr->request_ps, state, hwmgr->ps_size);
81 state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
86 int psm_adjust_power_state_dynamic(struct pp_eventmgr *eventmgr, bool skip)
89 struct pp_power_state *pcurrent;
90 struct pp_power_state *requested;
91 struct pp_hwmgr *hwmgr;
97 hwmgr = eventmgr->hwmgr;
98 pcurrent = hwmgr->current_ps;
99 requested = hwmgr->request_ps;
101 if (requested == NULL)
104 phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);
106 if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr, &pcurrent->hardware, &requested->hardware, &equal)))
109 if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) {
110 phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);
111 memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size);
116 int psm_adjust_power_state_static(struct pp_eventmgr *eventmgr, bool skip)