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path: root/common/recipes-kernel/linux/linux-yocto-4.14.71/5504-drm-amd-pp-Implement-AMDGPU_PP_SENSOR_MIN-MAX_FAN_RP.patch
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From 05fadfcd17af1ab6bffe816163409aeef84098cd Mon Sep 17 00:00:00 2001
From: Rex Zhu <Rex.Zhu@amd.com>
Date: Sun, 30 Sep 2018 13:19:00 +0800
Subject: [PATCH 5504/5725] drm/amd/pp: Implement
 AMDGPU_PP_SENSOR_MIN/MAX_FAN_RPM

so user can query the RPM range

Reviewed-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@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 d38ba0f..a92d765 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -823,6 +823,12 @@ 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,
-- 
2.7.4