From 93a29e06de00f1010c4a8d934aedc05f716f2c96 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Mon, 4 May 2015 14:35:01 -0400
Subject: [PATCH] drm/radeon: don't setup audio on asics that don't support it

bug: https://bugzilla.kernel.org/show_bug.cgi?id=97701

Reported-by: Mikael Pettersson <mikpelinux@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Cc: stable@vger.kernel.org
---
 drivers/gpu/drm/radeon/radeon_audio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/gpu/drm/radeon/radeon_audio.c b/drivers/gpu/drm/radeon/radeon_audio.c
index 8b82abb..dcb7796 100644
--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -464,6 +464,10 @@ void radeon_audio_detect(struct drm_connector *connector,
 		return;
 
 	rdev = connector->encoder->dev->dev_private;
+
+	if (!radeon_audio_chipset_supported(rdev))
+		return;
+
 	radeon_encoder = to_radeon_encoder(connector->encoder);
 	dig = radeon_encoder->enc_priv;
 
-- 
1.8.3.1

