drm/amd/display: update audio wall clock programming

[why]
for audio on real TV issue.

[how]
-add wall clock programming for DPREF based when
Pixel clock is done by DP DTO.
Signed-off-by: Charlene Liu <Charlene.Liu@amd.com>
Reviewed-by: Chris Park <Chris.Park@amd.com>
Acked-by: Qingqing Zhuo <qingqing.zhuo@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/display/dc/dce/dce_audio.c

@@ -140,6 +140,8 @@ static void check_audio_bandwidth_hdmi(
 	bool limit_freq_to_88_2_khz = false;
 	bool limit_freq_to_96_khz = false;
 	bool limit_freq_to_174_4_khz = false;
+	if (!crtc_info)
+		return;
 
 	/* For two channels supported return whatever sink support,unmodified*/
 	if (channel_count > 2) {
@@ -784,7 +786,7 @@ void dce_aud_wall_dto_setup(
 
 	struct azalia_clock_info clock_info = { 0 };
 
-	if (dc_is_hdmi_signal(signal)) {
+	if (dc_is_hdmi_tmds_signal(signal)) {
 		uint32_t src_sel;
 
 		/*DTO0 Programming goal:

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

@@ -1148,7 +1148,7 @@ static void build_audio_output(
 			pipe_ctx->stream_res.pix_clk_params.requested_pix_clk_100hz;
 
 /*for HDMI, audio ACR is with deep color ratio factor*/
-	if (dc_is_hdmi_signal(pipe_ctx->stream->signal) &&
+	if (dc_is_hdmi_tmds_signal(pipe_ctx->stream->signal) &&
 		audio_output->crtc_info.requested_pixel_clock_100Hz ==
 				(stream->timing.pix_clk_100hz)) {
 		if (pipe_ctx->stream_res.pix_clk_params.pixel_encoding == PIXEL_ENCODING_YCBCR420) {
@@ -1963,10 +1963,8 @@ static void dce110_setup_audio_dto(
 
 		if (pipe_ctx->top_pipe)
 			continue;
-
 		if (pipe_ctx->stream->signal != SIGNAL_TYPE_HDMI_TYPE_A)
 			continue;
-
 		if (pipe_ctx->stream_res.audio != NULL) {
 			struct audio_output audio_output;