diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 5b61364e31f..d77ede3e67c 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -82,6 +82,8 @@ static const char radeon_family_name[][16] = {
 	"CYPRESS",
 	"HEMLOCK",
 	"PALM",
+	"SUMO",
+	"SUMO2",
 	"BARTS",
 	"TURKS",
 	"CAICOS",
diff --git a/drivers/gpu/drm/radeon/radeon_family.h b/drivers/gpu/drm/radeon/radeon_family.h
index 6f1d9e563e7..ec2f1ea84f8 100644
--- a/drivers/gpu/drm/radeon/radeon_family.h
+++ b/drivers/gpu/drm/radeon/radeon_family.h
@@ -81,6 +81,8 @@ enum radeon_family {
 	CHIP_CYPRESS,
 	CHIP_HEMLOCK,
 	CHIP_PALM,
+	CHIP_SUMO,
+	CHIP_SUMO2,
 	CHIP_BARTS,
 	CHIP_TURKS,
 	CHIP_CAICOS,