drm/radeon/kms: add support for internal thermal sensor on SI

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 3575129..a6dbefc 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -474,6 +474,9 @@
 	case THERMAL_TYPE_SUMO:
 		temp = sumo_get_temp(rdev);
 		break;
+	case THERMAL_TYPE_SI:
+		temp = si_get_temp(rdev);
+		break;
 	default:
 		temp = 0;
 		break;
@@ -514,6 +517,7 @@
 	case THERMAL_TYPE_EVERGREEN:
 	case THERMAL_TYPE_NI:
 	case THERMAL_TYPE_SUMO:
+	case THERMAL_TYPE_SI:
 		rdev->pm.int_hwmon_dev = hwmon_device_register(rdev->dev);
 		if (IS_ERR(rdev->pm.int_hwmon_dev)) {
 			err = PTR_ERR(rdev->pm.int_hwmon_dev);