drm/radeon/kms/evergreen: don't enable hdmi audio stuff

Signed-off-by: Alex Deucher <alexdeucher@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 029fa14..2616b82 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -314,6 +314,9 @@
 	struct radeon_device *rdev = dev->dev_private;
 	uint32_t offset = to_radeon_encoder(encoder)->hdmi_offset;
 
+	if (ASIC_IS_DCE4(rdev))
+		return;
+
 	if (!offset)
 		return;
 
@@ -484,6 +487,9 @@
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 
+	if (ASIC_IS_DCE4(rdev))
+		return;
+
 	if (!radeon_encoder->hdmi_offset) {
 		r600_hdmi_assign_block(encoder);
 		if (!radeon_encoder->hdmi_offset) {
@@ -525,6 +531,9 @@
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 
+	if (ASIC_IS_DCE4(rdev))
+		return;
+
 	if (!radeon_encoder->hdmi_offset) {
 		dev_err(rdev->dev, "Disabling not enabled HDMI\n");
 		return;