[PATCH 26/77] drm/amd/display: re-enable audio after LT test

[Harry Wentland]

From: Wenjing Liu <Wenjing.Liu at amd.com>

[Description]
Audio should be attached to the same pipe once it is attached.
We will not remove audio endpoint in disable stream.
We will reeanble the audio after automated link training test

Signed-off-by: Wenjing Liu <Wenjing.Liu at amd.com>
Reviewed-by: Tony Cheng <Tony.Cheng at amd.com>
Reviewed-by: Charlene Liu <Charlene.Liu at amd.com>
Acked-by: Harry Wentland <Harry.Wentland at amd.com>
---
 drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c         | 14 ++++++++++++++
 .../gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c    |  2 --
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
index e12f1f9fb590..3a5abd92036a 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_hwss.c
@@ -310,6 +310,20 @@ void dp_retrain_link_dp_test(struct dc_link *link,
 
 			link->dc->hwss.unblank_stream(&pipes[i],
 					link_setting);
+
+			if (pipes[i].stream_res.audio) {
+				/* notify audio driver for
+				 * audio modes of monitor */
+				pipes[i].stream_res.audio->funcs->az_enable(
+						pipes[i].stream_res.audio);
+
+				/* un-mute audio */
+				/* TODO: audio should be per stream rather than
+				 * per link */
+				pipes[i].stream_res.stream_enc->funcs->
+				audio_mute_control(
+					pipes[i].stream_res.stream_enc, false);
+			}
 		}
 	}
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
index e6c6f1108078..7516c198d13a 100644
--- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c
@@ -758,8 +758,6 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx)
 			pipe_ctx->stream_res.stream_enc->funcs->hdmi_audio_disable(
 					pipe_ctx->stream_res.stream_enc);
 
-		pipe_ctx->stream_res.audio = NULL;
-
 		/* TODO: notify audio driver for if audio modes list changed
 		 * add audio mode list change flag */
 		/* dal_audio_disable_azalia_audio_jack_presence(stream->audio,
-- 
2.11.0