[PATCH 4.0 137/148] Revert "drm/radeon: only mark audio as connected if the monitor supports it (v3)"

[Greg Kroah-Hartman]

4.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alex Deucher <alexander.deucher@xxxxxxx>

commit 2d1c18bba15daf89d75ce475ecd2068f483aa12f upstream.

This breaks too many things.

bugs:
https://bugzilla.kernel.org/show_bug.cgi?id=99041
https://bugs.freedesktop.org/show_bug.cgi?id=90681

This reverts commit 0f55db36d49d45b80eff0c0a2a498766016f458b.

Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>

---
 drivers/gpu/drm/radeon/radeon_audio.c      |   27 ++++++++++++---------------
 drivers/gpu/drm/radeon/radeon_connectors.c |    8 ++------
 2 files changed, 14 insertions(+), 21 deletions(-)

--- a/drivers/gpu/drm/radeon/radeon_audio.c
+++ b/drivers/gpu/drm/radeon/radeon_audio.c
@@ -460,9 +460,6 @@ void radeon_audio_detect(struct drm_conn
 	if (!connector || !connector->encoder)
 		return;
 
-	if (!radeon_encoder_is_digital(connector->encoder))
-		return;
-
 	rdev = connector->encoder->dev->dev_private;
 
 	if (!radeon_audio_chipset_supported(rdev))
@@ -471,26 +468,26 @@ void radeon_audio_detect(struct drm_conn
 	radeon_encoder = to_radeon_encoder(connector->encoder);
 	dig = radeon_encoder->enc_priv;
 
-	if (!dig->afmt)
-		return;
-
 	if (status == connector_status_connected) {
-		struct radeon_connector *radeon_connector = to_radeon_connector(connector);
+		struct radeon_connector *radeon_connector;
+		int sink_type;
+
+		if (!drm_detect_monitor_audio(radeon_connector_edid(connector))) {
+			radeon_encoder->audio = NULL;
+			return;
+		}
+
+		radeon_connector = to_radeon_connector(connector);
+		sink_type = radeon_dp_getsinktype(radeon_connector);
 
 		if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort &&
-		    radeon_dp_getsinktype(radeon_connector) ==
-		    CONNECTOR_OBJECT_ID_DISPLAYPORT)
+			sink_type == CONNECTOR_OBJECT_ID_DISPLAYPORT)
 			radeon_encoder->audio = rdev->audio.dp_funcs;
 		else
 			radeon_encoder->audio = rdev->audio.hdmi_funcs;
 
 		dig->afmt->pin = radeon_audio_get_pin(connector->encoder);
-		if (drm_detect_monitor_audio(radeon_connector_edid(connector))) {
-			radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
-		} else {
-			radeon_audio_enable(rdev, dig->afmt->pin, 0);
-			dig->afmt->pin = NULL;
-		}
+		radeon_audio_enable(rdev, dig->afmt->pin, 0xf);
 	} else {
 		radeon_audio_enable(rdev, dig->afmt->pin, 0);
 		dig->afmt->pin = NULL;
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -1333,10 +1333,8 @@ out:
 	/* updated in get modes as well since we need to know if it's analog or digital */
 	radeon_connector_update_scratch_regs(connector, ret);
 
-	if (radeon_audio != 0) {
-		radeon_connector_get_edid(connector);
+	if (radeon_audio != 0)
 		radeon_audio_detect(connector, ret);
-	}
 
 exit:
 	pm_runtime_mark_last_busy(connector->dev->dev);
@@ -1661,10 +1659,8 @@ radeon_dp_detect(struct drm_connector *c
 
 	radeon_connector_update_scratch_regs(connector, ret);
 
-	if (radeon_audio != 0) {
-		radeon_connector_get_edid(connector);
+	if (radeon_audio != 0)
 		radeon_audio_detect(connector, ret);
-	}
 
 out:
 	pm_runtime_mark_last_busy(connector->dev->dev);


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