Commit ef5fca9f authored by lyndonli's avatar lyndonli Committed by Alex Deucher
Browse files

drm/amdgpu: add the fan abnormal detection feature 



Update the SW CTF limit from existing register
when there's a fan failure detected via SMU interrupt.

Signed-off-by: default avatarlyndonli <Lyndon.Li@amd.com>
Reviewed-by: default avatarHawking Zhang <Hawking.Zhang@amd.com>
Reviewed-by: default avatarKenneth Feng <kenneth.feng@amd.com>
Reviewed-by: default avatarEvan Quan <evan.quan@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 1ec13219

drivers/gpu/drm/amd/pm/swsmu/inc/amdgpu_smu.h

+1 −0
Original line number Diff line number Diff line
@@ -168,6 +168,7 @@ struct smu_temperature_range { 
	int mem_crit_max;

	int mem_emergency_max;

	int software_shutdown_temp;

	int software_shutdown_temp_offset;

};



struct smu_state_validation_block {

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c

+28 −0
Original line number Diff line number Diff line
@@ -1376,6 +1376,7 @@ static int smu_v13_0_irq_process(struct amdgpu_device *adev, 
	 */

	uint32_t ctxid = entry->src_data[0];

	uint32_t data;

	uint32_t high;



	if (client_id == SOC15_IH_CLIENTID_THM) {

		switch (src_id) {
@@ -1432,6 +1433,33 @@ static int smu_v13_0_irq_process(struct amdgpu_device *adev, 
					schedule_work(&smu->throttling_logging_work);



				break;

			case 0x8:

				high = smu->thermal_range.software_shutdown_temp +

					smu->thermal_range.software_shutdown_temp_offset;

				high = min(SMU_THERMAL_MAXIMUM_ALERT_TEMP, high);

				dev_emerg(adev->dev, "Reduce soft CTF limit to %d (by an offset %d)\n",

							high,

							smu->thermal_range.software_shutdown_temp_offset);



				data = RREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL);

				data = REG_SET_FIELD(data, THM_THERMAL_INT_CTRL,

							DIG_THERM_INTH,

							(high & 0xff));

				data = data & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK);

				WREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL, data);

				break;

			case 0x9:

				high = min(SMU_THERMAL_MAXIMUM_ALERT_TEMP,

					smu->thermal_range.software_shutdown_temp);

				dev_emerg(adev->dev, "Recover soft CTF limit to %d\n", high);



				data = RREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL);

				data = REG_SET_FIELD(data, THM_THERMAL_INT_CTRL,

							DIG_THERM_INTH,

							(high & 0xff));

				data = data & (~THM_THERMAL_INT_CTRL__THERM_TRIGGER_MASK_MASK);

				WREG32_SOC15(THM, 0, regTHM_THERMAL_INT_CTRL, data);

				break;

			}

		}

	}

drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_7_ppt.c

+1 −0
Original line number Diff line number Diff line
@@ -1223,6 +1223,7 @@ static int smu_v13_0_7_get_thermal_temperature_range(struct smu_context *smu, 
	range->mem_emergency_max = (pptable->SkuTable.TemperatureLimit[TEMP_MEM] + CTF_OFFSET_MEM)*

		SMU_TEMPERATURE_UNITS_PER_CENTIGRADES;

	range->software_shutdown_temp = powerplay_table->software_shutdown_temp;

	range->software_shutdown_temp_offset = pptable->SkuTable.FanAbnormalTempLimitOffset;



	return 0;

}