drm/amd/display: dpms off mute az audio endpoint only.

Signed-off-by: Charlene Liu <charlene.liu@amd.com>
Reviewed-by: Krunoslav Kovac <Krunoslav.Kovac@amd.com>
Acked-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dc.h

@@ -212,6 +212,7 @@ struct dc_debug {
 	bool disable_stereo_support;
 	bool vsr_support;
 	bool performance_trace;
+	bool az_endpoint_mute_only;
 };
 struct dc_state;
 struct resource_pool;

drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c

@@ -947,7 +947,11 @@ void dce110_disable_stream(struct pipe_ctx *pipe_ctx, int option)
 	pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
 			pipe_ctx->stream_res.stream_enc, true);
 	if (pipe_ctx->stream_res.audio) {
-		pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
+		if (option != KEEP_ACQUIRED_RESOURCE ||
+				!dc->debug.az_endpoint_mute_only) {
+			/*only disalbe az_endpoint if power down or free*/
+			pipe_ctx->stream_res.audio->funcs->az_disable(pipe_ctx->stream_res.audio);
+		}
 
 		if (dc_is_dp_signal(pipe_ctx->stream->signal))
 			pipe_ctx->stream_res.stream_enc->funcs->dp_audio_disable(

drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c

@@ -451,6 +451,7 @@ static const struct dc_debug debug_defaults_drv = {
 		.disable_stereo_support = true,
 		.vsr_support = true,
 		.performance_trace = false,
+		.az_endpoint_mute_only = true,
 };
 
 static const struct dc_debug debug_defaults_diags = {