drm/radeon/kms: clean up ASIC_IS_DCE41() macro

only fusion asics are dce4.1

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 3e635c6..396e307 100644
--- a/drivers/gpu/drm/radeon/radeon.h
+++ b/drivers/gpu/drm/radeon/radeon.h
@@ -1335,7 +1335,8 @@
 #define ASIC_IS_DCE3(rdev) ((rdev->family >= CHIP_RV620))
 #define ASIC_IS_DCE32(rdev) ((rdev->family >= CHIP_RV730))
 #define ASIC_IS_DCE4(rdev) ((rdev->family >= CHIP_CEDAR))
-#define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM))
+#define ASIC_IS_DCE41(rdev) ((rdev->family >= CHIP_PALM) && \
+			     (rdev->flags & RADEON_IS_IGP))
 
 /*
  * BIOS helpers.