drm/amd/powerplay: enable MGPU fan boost feature on Vega10
authorEvan Quan <evan.quan@amd.com>
Tue, 22 Jan 2019 10:05:54 +0000 (18:05 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Fri, 25 Jan 2019 21:15:36 +0000 (16:15 -0500)
For those SKUs which support this feature only.

Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h

index d1e26284461965b13c4487e0fd98a286c1b7cde1..21696e8b0c2305428a0203a952c833066bf13300 100644 (file)
@@ -4984,6 +4984,7 @@ static const struct pp_hwmgr_func vega10_hwmgr_funcs = {
        .get_asic_baco_capability = vega10_baco_get_capability,
        .get_asic_baco_state = vega10_baco_get_state,
        .set_asic_baco_state = vega10_baco_set_state,
+       .enable_mgpu_fan_boost = vega10_enable_mgpu_fan_boost,
 };
 
 int vega10_hwmgr_init(struct pp_hwmgr *hwmgr)
index 3f807d6c95ce1764fdcdff2207556342ad37a199..ba8763daa3808b2a6fcd57f7ff6315d6bc8c3e5e 100644 (file)
@@ -556,6 +556,43 @@ int vega10_thermal_setup_fan_table(struct pp_hwmgr *hwmgr)
        return ret;
 }
 
+int vega10_enable_mgpu_fan_boost(struct pp_hwmgr *hwmgr)
+{
+       struct vega10_hwmgr *data = hwmgr->backend;
+       PPTable_t *table = &(data->smc_state_table.pp_table);
+       int ret;
+
+       if (!data->smu_features[GNLD_FAN_CONTROL].supported)
+               return 0;
+
+       if (!hwmgr->thermal_controller.advanceFanControlParameters.
+                       usMGpuThrottlingRPMLimit)
+               return 0;
+
+       table->FanThrottlingRpm = hwmgr->thermal_controller.
+                       advanceFanControlParameters.usMGpuThrottlingRPMLimit;
+
+       ret = smum_smc_table_manager(hwmgr,
+                               (uint8_t *)(&(data->smc_state_table.pp_table)),
+                               PPTABLE, false);
+       if (ret) {
+               pr_info("Failed to update fan control table in pptable!");
+               return ret;
+       }
+
+       ret = vega10_disable_fan_control_feature(hwmgr);
+       if (ret) {
+               pr_info("Attempt to disable SMC fan control feature failed!");
+               return ret;
+       }
+
+       ret = vega10_enable_fan_control_feature(hwmgr);
+       if (ret)
+               pr_info("Attempt to enable SMC fan control feature failed!");
+
+       return ret;
+}
+
 /**
 * Start the fan control on the SMC.
 * @param    hwmgr  the address of the powerplay hardware manager.
index 21e7c4dfa2cac69c4cfa0f296e5d172945cefa68..4a0ede7c1f07b535900a65d1fc7460c4fcd2518c 100644 (file)
@@ -73,6 +73,7 @@ extern int vega10_thermal_disable_alert(struct pp_hwmgr *hwmgr);
 extern int vega10_fan_ctrl_start_smc_fan_control(struct pp_hwmgr *hwmgr);
 extern int vega10_start_thermal_controller(struct pp_hwmgr *hwmgr,
                                struct PP_TemperatureRange *range);
+extern int vega10_enable_mgpu_fan_boost(struct pp_hwmgr *hwmgr);
 
 
 #endif