drm/amd/display: Move RGB-type check for audio sync to DCE HW sequence

[Why&How]
DVI-A & VGA connectors are applicable to DCE ASICs, so move them to
dce110_hwseq.c to block audio sync on SIGNAL_TYPE_RGB for DCE ASICs.

Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

Author: Ivan Lipski

drivers/gpu/drm/amd/display/dc/hwss/dce110/dce110_hwseq.c

@@ -1102,6 +1102,9 @@ void dce110_enable_audio_stream(struct pipe_ctx *pipe_ctx)
 	if (!pipe_ctx->stream)
 		return;
 
+	if (dc_is_rgb_signal(pipe_ctx->stream->signal))
+		return;
+
 	dc = pipe_ctx->stream->ctx->dc;
 	clk_mgr = dc->clk_mgr;
 	link_hwss = get_link_hwss(pipe_ctx->stream->link, &pipe_ctx->link_res);

drivers/gpu/drm/amd/display/dc/link/link_dpms.c

@@ -2666,8 +2666,7 @@ void link_set_dpms_on(
 		enable_stream_features(pipe_ctx);
 	update_psp_stream_config(pipe_ctx, false);
 
-	if (!dc_is_rgb_signal(pipe_ctx->stream->signal))
-		dc->hwss.enable_audio_stream(pipe_ctx);
+	dc->hwss.enable_audio_stream(pipe_ctx);
 
 	if (dc_is_hdmi_signal(pipe_ctx->stream->signal)) {
 		set_avmute(pipe_ctx, false);