forked from Minki/linux
840dd4c605
Saves power when not in use. Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Eric Huang <JinHuiEric.Huang@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
437 lines
11 KiB
C
437 lines
11 KiB
C
/*
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* Copyright 2016 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 "polaris10_clockpowergating.h"
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int polaris10_phm_powerdown_uvd(struct pp_hwmgr *hwmgr)
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{
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if (phm_cf_want_uvd_power_gating(hwmgr))
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return smum_send_msg_to_smc(hwmgr->smumgr,
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PPSMC_MSG_UVDPowerOFF);
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return 0;
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}
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int polaris10_phm_powerup_uvd(struct pp_hwmgr *hwmgr)
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{
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if (phm_cf_want_uvd_power_gating(hwmgr)) {
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_UVDDynamicPowerGating)) {
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return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_UVDPowerON, 1);
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} else {
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return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_UVDPowerON, 0);
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}
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}
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return 0;
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}
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int polaris10_phm_powerdown_vce(struct pp_hwmgr *hwmgr)
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{
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if (phm_cf_want_vce_power_gating(hwmgr))
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return smum_send_msg_to_smc(hwmgr->smumgr,
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PPSMC_MSG_VCEPowerOFF);
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return 0;
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}
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int polaris10_phm_powerup_vce(struct pp_hwmgr *hwmgr)
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{
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if (phm_cf_want_vce_power_gating(hwmgr))
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return smum_send_msg_to_smc(hwmgr->smumgr,
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PPSMC_MSG_VCEPowerON);
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return 0;
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}
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int polaris10_phm_powerdown_samu(struct pp_hwmgr *hwmgr)
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{
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_SamuPowerGating))
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return smum_send_msg_to_smc(hwmgr->smumgr,
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PPSMC_MSG_SAMPowerOFF);
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return 0;
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}
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int polaris10_phm_powerup_samu(struct pp_hwmgr *hwmgr)
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{
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if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,
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PHM_PlatformCaps_SamuPowerGating))
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return smum_send_msg_to_smc(hwmgr->smumgr,
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PPSMC_MSG_SAMPowerON);
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return 0;
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}
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int polaris10_phm_disable_clock_power_gating(struct pp_hwmgr *hwmgr)
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{
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struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
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data->uvd_power_gated = false;
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data->vce_power_gated = false;
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data->samu_power_gated = false;
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polaris10_phm_powerup_uvd(hwmgr);
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polaris10_phm_powerup_vce(hwmgr);
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polaris10_phm_powerup_samu(hwmgr);
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return 0;
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}
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int polaris10_phm_powergate_uvd(struct pp_hwmgr *hwmgr, bool bgate)
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{
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struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
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if (data->uvd_power_gated == bgate)
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return 0;
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data->uvd_power_gated = bgate;
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if (bgate) {
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cgs_set_clockgating_state(hwmgr->device,
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AMD_IP_BLOCK_TYPE_UVD,
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AMD_CG_STATE_GATE);
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polaris10_update_uvd_dpm(hwmgr, true);
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polaris10_phm_powerdown_uvd(hwmgr);
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} else {
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polaris10_phm_powerup_uvd(hwmgr);
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polaris10_update_uvd_dpm(hwmgr, false);
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cgs_set_clockgating_state(hwmgr->device,
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AMD_IP_BLOCK_TYPE_UVD,
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AMD_PG_STATE_UNGATE);
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}
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return 0;
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}
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int polaris10_phm_powergate_vce(struct pp_hwmgr *hwmgr, bool bgate)
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{
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struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
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if (data->vce_power_gated == bgate)
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return 0;
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data->vce_power_gated = bgate;
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if (bgate)
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polaris10_phm_powerdown_vce(hwmgr);
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else
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polaris10_phm_powerup_vce(hwmgr);
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return 0;
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}
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int polaris10_phm_powergate_samu(struct pp_hwmgr *hwmgr, bool bgate)
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{
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struct polaris10_hwmgr *data = (struct polaris10_hwmgr *)(hwmgr->backend);
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if (data->samu_power_gated == bgate)
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return 0;
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data->samu_power_gated = bgate;
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if (bgate) {
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polaris10_update_samu_dpm(hwmgr, true);
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polaris10_phm_powerdown_samu(hwmgr);
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} else {
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polaris10_phm_powerup_samu(hwmgr);
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polaris10_update_samu_dpm(hwmgr, false);
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}
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return 0;
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}
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int polaris10_phm_update_clock_gatings(struct pp_hwmgr *hwmgr,
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const uint32_t *msg_id)
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{
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PPSMC_Msg msg;
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uint32_t value;
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switch ((*msg_id & PP_GROUP_MASK) >> PP_GROUP_SHIFT) {
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case PP_GROUP_GFX:
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switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) {
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case PP_BLOCK_GFX_CG:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_GFX_CGCG_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS
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? PPSMC_MSG_EnableClockGatingFeature
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: PPSMC_MSG_DisableClockGatingFeature;
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value = CG_GFX_CGLS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_GFX_3D:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_GFX_3DCG_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_GFX_3DLS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_GFX_RLC:
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_GFX_RLC_LS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_GFX_CP:
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_GFX_CP_LS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_GFX_MG:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = (CG_CPF_MGCG_MASK | CG_RLC_MGCG_MASK |
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CG_GFX_OTHERS_MGCG_MASK);
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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default:
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return -1;
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}
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break;
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case PP_GROUP_SYS:
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switch ((*msg_id & PP_BLOCK_MASK) >> PP_BLOCK_SHIFT) {
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case PP_BLOCK_SYS_BIF:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_CG ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_BIF_MGCG_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_BIF_MGLS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_SYS_MC:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_MC_MGCG_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_MC_MGLS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_SYS_DRM:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_CG ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_DRM_MGCG_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_DRM_MGLS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_SYS_HDP:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_HDP_MGCG_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_HDP_MGLS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_SYS_SDMA:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_SDMA_MGCG_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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if (PP_STATE_SUPPORT_LS & *msg_id) {
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msg = (*msg_id & PP_STATE_MASK) & PP_STATE_LS ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_SDMA_MGLS_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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case PP_BLOCK_SYS_ROM:
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if (PP_STATE_SUPPORT_CG & *msg_id) {
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msg = ((*msg_id & PP_STATE_MASK) & PP_STATE_CG) ?
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PPSMC_MSG_EnableClockGatingFeature :
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PPSMC_MSG_DisableClockGatingFeature;
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value = CG_SYS_ROM_MASK;
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if (smum_send_msg_to_smc_with_parameter(
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hwmgr->smumgr, msg, value))
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return -1;
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}
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break;
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default:
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return -1;
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}
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break;
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default:
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return -1;
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}
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return 0;
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}
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/* This function is for Polaris11 only for now,
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* Powerplay will only control the static per CU Power Gating.
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* Dynamic per CU Power Gating will be done in gfx.
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*/
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int polaris10_phm_enable_per_cu_power_gating(struct pp_hwmgr *hwmgr, bool enable)
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{
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struct cgs_system_info sys_info = {0};
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uint32_t active_cus;
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int result;
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sys_info.size = sizeof(struct cgs_system_info);
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sys_info.info_id = CGS_SYSTEM_INFO_GFX_CU_INFO;
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result = cgs_query_system_info(hwmgr->device, &sys_info);
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if (result)
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return -EINVAL;
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else
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active_cus = sys_info.value;
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if (enable)
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return smum_send_msg_to_smc_with_parameter(hwmgr->smumgr,
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PPSMC_MSG_GFX_CU_PG_ENABLE, active_cus);
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else
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return smum_send_msg_to_smc(hwmgr->smumgr,
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PPSMC_MSG_GFX_CU_PG_DISABLE);
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}
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