drm/radeon/kms: add thermal sensor support for fusion APUs

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h
index bf3a4fc..0507ee7 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -180,6 +180,7 @@
 extern u32 rv6xx_get_temp(struct radeon_device *rdev);
 extern u32 rv770_get_temp(struct radeon_device *rdev);
 extern u32 evergreen_get_temp(struct radeon_device *rdev);
+extern u32 sumo_get_temp(struct radeon_device *rdev);
 
 /*
  * Fences.
@@ -687,6 +688,7 @@
 	THERMAL_TYPE_RV6XX,
 	THERMAL_TYPE_RV770,
 	THERMAL_TYPE_EVERGREEN,
+	THERMAL_TYPE_SUMO,
 };
 
 struct radeon_voltage {