drm/amd/display: Fix DP audio regression

Audio was unmuted for HDMI only, need to do so for DP as well.
Signed-off-by: Wesley Chalmers <Wesley.Chalmers@amd.com>
Reviewed-by: Chris Park <Chris.Park@amd.com>
Reviewed-by: Eric Bernstein <Eric.Bernstein@amd.com>
Acked-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -974,9 +974,8 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx)
 			set_pme_wa_enable_by_version(core_dc);
 		/* un-mute audio */
 		/* TODO: audio should be per stream rather than per link */
-		if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal))
-			pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
-				pipe_ctx->stream_res.stream_enc, false);
+		pipe_ctx->stream_res.stream_enc->funcs->audio_mute_control(
+					pipe_ctx->stream_res.stream_enc, false);
 	}
 }