drm/radeon/kms: add SI chip families

Signed-off-by: NAlex Deucher <alexdeucher@gmail.com>
Signed-off-by: NDave Airlie <airlied@redhat.com>

drivers/gpu/drm/radeon/radeon.h

@@ -1638,6 +1638,7 @@ void r100_pll_errata_after_index(struct radeon_device *rdev);
 #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.

drivers/gpu/drm/radeon/radeon_device.c

@@ -89,6 +89,9 @@ static const char radeon_family_name[][16] = {
 	"TURKS",
 	"CAICOS",
 	"CAYMAN",
+	"TAHITI",
+	"PITCAIRN",
+	"VERDE",
 	"LAST",
 };
 

drivers/gpu/drm/radeon/radeon_family.h

@@ -87,6 +87,9 @@ enum radeon_family {
 	CHIP_TURKS,
 	CHIP_CAICOS,
 	CHIP_CAYMAN,
+	CHIP_TAHITI,
+	CHIP_PITCAIRN,
+	CHIP_VERDE,
 	CHIP_LAST,
 };