drm/amd/powerplay: enable amdgpu dpm for smu

enable amdgpu dpm global flag
Signed-off-by: Kevin Wang <kevin1.wang@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/powerplay/amdgpu_smu.c

@@ -742,6 +742,8 @@ static int smu_hw_init(void *handle)
 
 	mutex_unlock(&smu->mutex);
 
+	adev->pm.dpm_enabled = true;
+
 	pr_info("SMU is initialized successfully!\n");
 
 	return 0;