From: Alex Deucher <alexander.deucher@amd.com>
Date: Thu, 17 Oct 2013 20:11:27 +0000 (-0400)
Subject: drm/radeon/audio: don't set speaker allocation on DCE3.2
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=4b7495770cc4a4e7973ea8079dd15d2618f3636a;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

drm/radeon/audio: don't set speaker allocation on DCE3.2

It causes hangs on some asics.

Bug:
https://bugs.freedesktop.org/show_bug.cgi?id=70439

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
---

diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index 5b729319f27b..06022e3b9c3b 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -309,6 +309,9 @@ static void dce3_2_afmt_write_speaker_allocation(struct drm_encoder *encoder)
 	u8 *sadb;
 	int sad_count;
 
+	/* XXX: setting this register causes hangs on some asics */
+	return;
+
 	list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
 		if (connector->encoder == encoder)
 			radeon_connector = to_radeon_connector(connector);