Commit 9610a3bf authored by Evan Quan's avatar Evan Quan Committed by Alex Deucher
Browse files

drm/amd/pm: setup zero rpm parameters for polaris10 



Only if the ZeroRPM feature is supported.

Signed-off-by: default avatarEvan Quan <evan.quan@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent c420418f

drivers/gpu/drm/amd/pm/inc/smu7_ppsmc.h

+1 −0
Original line number Diff line number Diff line
@@ -394,6 +394,7 @@ typedef uint16_t PPSMC_Result; 


#define PPSMC_MSG_SetGpuPllDfsForSclk         ((uint16_t) 0x300)

#define PPSMC_MSG_Didt_Block_Function		  ((uint16_t) 0x301)

#define PPSMC_MSG_EnableZeroRpm               ((uint16_t) 0x302)



#define PPSMC_MSG_SetVBITimeout               ((uint16_t) 0x306)

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c

+11 −0
Original line number Diff line number Diff line
@@ -175,6 +175,17 @@ int smu7_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr) 
				hwmgr->thermal_controller.

				advanceFanControlParameters.ucTargetTemperature,

				NULL);



	if (!result &&

	    (hwmgr->chip_id == CHIP_POLARIS10 ||

	    hwmgr->chip_id == CHIP_POLARIS11 ||

	    hwmgr->chip_id == CHIP_POLARIS12) &&

	    hwmgr->thermal_controller.advanceFanControlParameters.ucEnableZeroRPM &&

	    !PP_CAP(PHM_PlatformCaps_customThermalManagement))

		result = smum_send_msg_to_smc(hwmgr,

				PPSMC_MSG_EnableZeroRpm,

				NULL);



	hwmgr->fan_ctrl_enabled = true;



	return result;

drivers/gpu/drm/amd/pm/powerplay/smumgr/polaris10_smumgr.c

+17 −0
Original line number Diff line number Diff line
@@ -470,6 +470,21 @@ static int polaris10_populate_bapm_parameters_in_dpm_table(struct pp_hwmgr *hwmg 
	return 0;

}



static void polaris10_populate_zero_rpm_parameters(struct pp_hwmgr *hwmgr)

{

	struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(hwmgr->smu_backend);

	SMU74_Discrete_DpmTable  *table = &(smu_data->smc_state_table);

	uint16_t fan_stop_temp =

		((uint16_t)hwmgr->thermal_controller.advanceFanControlParameters.ucFanStopTemperature) << 8;

	uint16_t fan_start_temp =

		((uint16_t)hwmgr->thermal_controller.advanceFanControlParameters.ucFanStartTemperature) << 8;



	if (hwmgr->thermal_controller.advanceFanControlParameters.ucEnableZeroRPM) {

		table->FanStartTemperature = PP_HOST_TO_SMC_US(fan_start_temp);

		table->FanStopTemperature = PP_HOST_TO_SMC_US(fan_stop_temp);

	}

}



static int polaris10_populate_svi_load_line(struct pp_hwmgr *hwmgr)

{

	struct polaris10_smumgr *smu_data = (struct polaris10_smumgr *)(hwmgr->smu_backend);
@@ -1949,6 +1964,8 @@ static int polaris10_init_smc_table(struct pp_hwmgr *hwmgr) 
	PP_ASSERT_WITH_CODE(0 == result,

			"Failed to populate BAPM Parameters!", return result);



	polaris10_populate_zero_rpm_parameters(hwmgr);



	if (phm_cap_enabled(hwmgr->platform_descriptor.platformCaps,

			PHM_PlatformCaps_ClockStretcher)) {

		result = polaris10_populate_clock_stretcher_data_table(hwmgr);