drm/amd/powerplay: enable MGPU fan boost feature on Vega10

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>

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
index d1e2628..21696e8 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c
@@ -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)

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
index 3f807d6..ba8763d 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.c
@@ -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.

diff --git a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h
index 21e7c4d..4a0ede7 100644 (file)
--- a/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h
+++ b/drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h
@@ -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