drm/amd/pp: thermal control not enabled on vega10.

regression issue.
caused by "f12f9f5e5d455edebc01"
forget to set start_thermal_controller function point.
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_hwmgr.c

@@ -5108,6 +5108,7 @@ static const struct pp_hwmgr_func vega10_hwmgr_funcs = {
 	.avfs_control = vega10_avfs_enable,
 	.notify_cac_buffer_info = vega10_notify_cac_buffer_info,
 	.register_internal_thermal_interrupt = vega10_register_thermal_interrupt,
+	.start_thermal_controller = vega10_start_thermal_controller,
 };
 
 int vega10_hwmgr_init(struct pp_hwmgr *hwmgr)

drivers/gpu/drm/amd/powerplay/hwmgr/vega10_thermal.h

@@ -71,7 +71,8 @@ extern int vega10_fan_ctrl_get_fan_speed_rpm(struct pp_hwmgr *hwmgr,
 extern int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr);
 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 uint32_t smu7_get_xclk(struct pp_hwmgr *hwmgr);
 
 #endif