120 lines
3.4 KiB
C
120 lines
3.4 KiB
C
/*
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* Copyright 2015 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "psm.h"
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int psm_get_ui_state(struct pp_eventmgr *eventmgr, enum PP_StateUILabel ui_label, unsigned long *state_id)
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{
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struct pp_power_state *state;
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int table_entries;
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struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
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int i;
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table_entries = hwmgr->num_ps;
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state = hwmgr->ps;
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for (i = 0; i < table_entries; i++) {
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if (state->classification.ui_label & ui_label) {
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*state_id = state->id;
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return 0;
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}
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state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
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}
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return -1;
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}
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int psm_get_state_by_classification(struct pp_eventmgr *eventmgr, enum PP_StateClassificationFlag flag, unsigned long *state_id)
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{
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struct pp_power_state *state;
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int table_entries;
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struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
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int i;
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table_entries = hwmgr->num_ps;
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state = hwmgr->ps;
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for (i = 0; i < table_entries; i++) {
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if (state->classification.flags & flag) {
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*state_id = state->id;
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return 0;
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}
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state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
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}
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return -1;
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}
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int psm_set_states(struct pp_eventmgr *eventmgr, unsigned long *state_id)
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{
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struct pp_power_state *state;
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int table_entries;
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struct pp_hwmgr *hwmgr = eventmgr->hwmgr;
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int i;
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table_entries = hwmgr->num_ps;
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state = hwmgr->ps;
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for (i = 0; i < table_entries; i++) {
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if (state->id == *state_id) {
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memcpy(hwmgr->request_ps, state, hwmgr->ps_size);
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return 0;
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}
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state = (struct pp_power_state *)((unsigned long)state + hwmgr->ps_size);
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}
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return -1;
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}
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int psm_adjust_power_state_dynamic(struct pp_eventmgr *eventmgr, bool skip)
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{
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struct pp_power_state *pcurrent;
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struct pp_power_state *requested;
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struct pp_hwmgr *hwmgr;
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bool equal;
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if (skip)
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return 0;
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hwmgr = eventmgr->hwmgr;
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pcurrent = hwmgr->current_ps;
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requested = hwmgr->request_ps;
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if (requested == NULL)
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return 0;
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phm_apply_state_adjust_rules(hwmgr, requested, pcurrent);
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if (pcurrent == NULL || (0 != phm_check_states_equal(hwmgr, &pcurrent->hardware, &requested->hardware, &equal)))
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equal = false;
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if (!equal || phm_check_smc_update_required_for_display_configuration(hwmgr)) {
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phm_set_power_state(hwmgr, &pcurrent->hardware, &requested->hardware);
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memcpy(hwmgr->current_ps, hwmgr->request_ps, hwmgr->ps_size);
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}
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return 0;
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}
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int psm_adjust_power_state_static(struct pp_eventmgr *eventmgr, bool skip)
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{
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return 0;
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}
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