drm/radeon/kms: add SI chip families

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 d2870a0..2081972 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1638,6 +1638,7 @@
 #define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
 			     (rdev->flags & RADEON_IS_IGP))
 #define ASIC_IS_DCE5(rdev) ((rdev->family >= CHIP_BARTS))
+#define ASIC_IS_DCE6(rdev) ((rdev->family >= CHIP_TAHITI))
 
 /*
  * BIOS helpers.
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index 49f7cb7..9b8dace 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -89,6 +89,9 @@
 	"TURKS",
 	"CAICOS",
 	"CAYMAN",
+	"TAHITI",
+	"PITCAIRN",
+	"VERDE",
 	"LAST",
 };
 
diff --git a/drivers/gpu/drm/radeon/radeon_family.h b/drivers/gpu/drm/radeon/radeon_family.h
index ec2f1ea..71d626a 100644
--- a/drivers/gpu/drm/radeon/radeon_family.h
+++ b/drivers/gpu/drm/radeon/radeon_family.h
@@ -87,6 +87,9 @@
 	CHIP_TURKS,
 	CHIP_CAICOS,
 	CHIP_CAYMAN,
+	CHIP_TAHITI,
+	CHIP_PITCAIRN,
+	CHIP_VERDE,
 	CHIP_LAST,
 };