[PATCH 3/5] drm/amd/pp: Implement AMDGPU_PP_SENSOR_MIN/MAX_FAN_RPM

[Rex Zhu]

so user can query the RPM range

Signed-off-by: Rex Zhu <Rex.Zhu at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amd_powerplay.c                | 6 ++++++
 drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c | 2 ++
 2 files changed, 8 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index 32f475e..053c485 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -813,6 +813,12 @@ static int pp_dpm_read_sensor(void *handle, int idx,
 	case AMDGPU_PP_SENSOR_STABLE_PSTATE_MCLK:
 		*((uint32_t *)value) = hwmgr->pstate_mclk;
 		return 0;
+	case AMDGPU_PP_SENSOR_MIN_FAN_RPM:
+		*((uint32_t *)value) = hwmgr->thermal_controller.fanInfo.ulMinRPM;
+		return 0;
+	case AMDGPU_PP_SENSOR_MAX_FAN_RPM:
+		*((uint32_t *)value) = hwmgr->thermal_controller.fanInfo.ulMaxRPM;
+		return 0;
 	default:
 		mutex_lock(&hwmgr->smu_lock);
 		ret = hwmgr->hwmgr_func->read_sensor(hwmgr, idx, value, size);
diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
index 5f1f7a3..c9b93e6 100644
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega20_processpptables.c
@@ -834,6 +834,8 @@ static int init_powerplay_table_information(
 
 	hwmgr->thermal_controller.ucType = powerplay_table->ucThermalControllerType;
 	pptable_information->uc_thermal_controller_type = powerplay_table->ucThermalControllerType;
+	hwmgr->thermal_controller.fanInfo.ulMinRPM = 0;
+	hwmgr->thermal_controller.fanInfo.ulMaxRPM = powerplay_table->smcPPTable.FanMaximumRpm;
 
 	set_hw_cap(hwmgr,
 		ATOM_VEGA20_PP_THERMALCONTROLLER_NONE != hwmgr->thermal_controller.ucType,
-- 
1.9.1