[ 3.8.y.z extended stable ] Patch "drm/radeon: don't allow audio on DCE6" has been added to staging queue

[Kamal Mostafa]

This is a note to let you know that I have just added a patch titled

    drm/radeon: don't allow audio on DCE6

to the linux-3.8.y-queue branch of the 3.8.y.z extended stable tree 
which can be found at:

 http://kernel.ubuntu.com/git?p=ubuntu/linux.git;a=shortlog;h=refs/heads/linux-3.8.y-queue

This patch is scheduled to be released in version 3.8.13.3.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.8.y.z tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

------

>From 9d34ab597ff1fadbe72bbe5377e208b924d57ef1 Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher at amd.com>
Date: Mon, 3 Jun 2013 10:32:40 -0400
Subject: drm/radeon: don't allow audio on DCE6

commit 1cbcca302a318499f20a512847c5d6a510c08c35 upstream.

It's not supported yet.  Fixes display issues when
users force it on.

Signed-off-by: Alex Deucher <alexander.deucher at amd.com>
Signed-off-by: Kamal Mostafa <kamal at canonical.com>
---
 drivers/gpu/drm/radeon/atombios_encoders.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/radeon/atombios_encoders.c b/drivers/gpu/drm/radeon/atombios_encoders.c
index 4552d4a..6cf2b52 100644
--- a/drivers/gpu/drm/radeon/atombios_encoders.c
+++ b/drivers/gpu/drm/radeon/atombios_encoders.c
@@ -667,6 +667,8 @@ atombios_digital_setup(struct drm_encoder *encoder, int action)
 int
 atombios_get_encoder_mode(struct drm_encoder *encoder)
 {
+	struct drm_device *dev = encoder->dev;
+	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 	struct drm_connector *connector;
 	struct radeon_connector *radeon_connector;
@@ -693,7 +695,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 	case DRM_MODE_CONNECTOR_DVII:
 	case DRM_MODE_CONNECTOR_HDMIB: /* HDMI-B is basically DL-DVI; analog works fine */
 		if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
-		    radeon_audio)
+		    radeon_audio &&
+		    !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
 			return ATOM_ENCODER_MODE_HDMI;
 		else if (radeon_connector->use_digital)
 			return ATOM_ENCODER_MODE_DVI;
@@ -704,7 +707,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 	case DRM_MODE_CONNECTOR_HDMIA:
 	default:
 		if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
-		    radeon_audio)
+		    radeon_audio &&
+		    !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
 			return ATOM_ENCODER_MODE_HDMI;
 		else
 			return ATOM_ENCODER_MODE_DVI;
@@ -718,7 +722,8 @@ atombios_get_encoder_mode(struct drm_encoder *encoder)
 		    (dig_connector->dp_sink_type == CONNECTOR_OBJECT_ID_eDP))
 			return ATOM_ENCODER_MODE_DP;
 		else if (drm_detect_hdmi_monitor(radeon_connector->edid) &&
-			 radeon_audio)
+			 radeon_audio &&
+			 !ASIC_IS_DCE6(rdev)) /* remove once we support DCE6 */
 			return ATOM_ENCODER_MODE_HDMI;
 		else
 			return ATOM_ENCODER_MODE_DVI;
--
1.8.1.2