drm/amd/pm: expose swctf threshold setting for legacy powerplay

Preparation for coming optimization which eliminates the influence of
GPU temperature momentary fluctuation.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -89,6 +89,8 @@ struct amdgpu_dpm_thermal {
 	int                max_mem_crit_temp;
 	/* memory max emergency(shutdown) temp */
 	int                max_mem_emergency_temp;
+	/* SWCTF threshold */
+	int                sw_ctf_threshold;
 	/* was last interrupt low to high or high to low */
 	bool               high_to_low;
 	/* interrupt source */

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

@@ -241,7 +241,8 @@ int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
 		TEMP_RANGE_MAX,
 		TEMP_RANGE_MIN,
 		TEMP_RANGE_MAX,
-		TEMP_RANGE_MAX};
+		TEMP_RANGE_MAX,
+		0};
 	struct amdgpu_device *adev = hwmgr->adev;
 
 	if (!hwmgr->not_vf)
@@ -265,6 +266,7 @@ int phm_start_thermal_controller(struct pp_hwmgr *hwmgr)
 	adev->pm.dpm.thermal.min_mem_temp = range.mem_min;
 	adev->pm.dpm.thermal.max_mem_crit_temp = range.mem_crit_max;
 	adev->pm.dpm.thermal.max_mem_emergency_temp = range.mem_emergency_max;
+	adev->pm.dpm.thermal.sw_ctf_threshold = range.sw_ctf_threshold;
 
 	return ret;
 }

drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c

@@ -5432,6 +5432,8 @@ static int smu7_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
 		thermal_data->max = data->thermal_temp_setting.temperature_shutdown *
 			PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 
+	thermal_data->sw_ctf_threshold = thermal_data->max;
+
 	return 0;
 }
 

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_hwmgr.c

@@ -5241,6 +5241,9 @@ static int vega10_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
 {
 	struct vega10_hwmgr *data = hwmgr->backend;
 	PPTable_t *pp_table = &(data->smc_state_table.pp_table);
+	struct phm_ppt_v2_information *pp_table_info =
+		(struct phm_ppt_v2_information *)(hwmgr->pptable);
+	struct phm_tdp_table *tdp_table = pp_table_info->tdp_table;
 
 	memcpy(thermal_data, &SMU7ThermalWithDelayPolicy[0], sizeof(struct PP_TemperatureRange));
 
@@ -5257,6 +5260,13 @@ static int vega10_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
 	thermal_data->mem_emergency_max = (pp_table->ThbmLimit + CTF_OFFSET_HBM)*
 		PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 
+	if (tdp_table->usSoftwareShutdownTemp > pp_table->ThotspotLimit &&
+	    tdp_table->usSoftwareShutdownTemp < VEGA10_THERMAL_MAXIMUM_ALERT_TEMP)
+		thermal_data->sw_ctf_threshold = tdp_table->usSoftwareShutdownTemp;
+	else
+		thermal_data->sw_ctf_threshold = VEGA10_THERMAL_MAXIMUM_ALERT_TEMP;
+	thermal_data->sw_ctf_threshold *= PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
+
 	return 0;
 }
 

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega12_hwmgr.c

@@ -2763,6 +2763,8 @@ static int vega12_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
 static int vega12_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
 		struct PP_TemperatureRange *thermal_data)
 {
+	struct phm_ppt_v3_information *pptable_information =
+		(struct phm_ppt_v3_information *)hwmgr->pptable;
 	struct vega12_hwmgr *data =
 			(struct vega12_hwmgr *)(hwmgr->backend);
 	PPTable_t *pp_table = &(data->smc_state_table.pp_table);
@@ -2781,6 +2783,8 @@ static int vega12_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
 		PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 	thermal_data->mem_emergency_max = (pp_table->ThbmLimit + CTF_OFFSET_HBM)*
 		PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
+	thermal_data->sw_ctf_threshold = pptable_information->us_software_shutdown_temp *
+		PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 
 	return 0;
 }

drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega20_hwmgr.c

@@ -4206,6 +4206,8 @@ static int vega20_notify_cac_buffer_info(struct pp_hwmgr *hwmgr,
 static int vega20_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
 		struct PP_TemperatureRange *thermal_data)
 {
+	struct phm_ppt_v3_information *pptable_information =
+		(struct phm_ppt_v3_information *)hwmgr->pptable;
 	struct vega20_hwmgr *data =
 			(struct vega20_hwmgr *)(hwmgr->backend);
 	PPTable_t *pp_table = &(data->smc_state_table.pp_table);
@@ -4224,6 +4226,8 @@ static int vega20_get_thermal_temperature_range(struct pp_hwmgr *hwmgr,
 		PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 	thermal_data->mem_emergency_max = (pp_table->ThbmLimit + CTF_OFFSET_HBM)*
 		PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
+	thermal_data->sw_ctf_threshold = pptable_information->us_software_shutdown_temp *
+		PP_TEMPERATURE_UNITS_PER_CENTIGRADES;
 
 	return 0;
 }

drivers/gpu/drm/amd/pm/powerplay/inc/power_state.h

@@ -131,6 +131,7 @@ struct PP_TemperatureRange {
 	int mem_min;
 	int mem_crit_max;
 	int mem_emergency_max;
+	int sw_ctf_threshold;
 };
 
 struct PP_StateValidationBlock {