drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c: mark DTBCLK required for DCN20+

Author: mkopec

drivers/gpu/drm/amd/display/dc/dml/dcn20/dcn20_fpu.c

@@ -1050,6 +1050,8 @@ static bool is_dtbclk_required(struct dc *dc, struct dc_state *context)
 			continue;
 		if (dc->link_srv->dp_is_128b_132b_signal(&context->res_ctx.pipe_ctx[i]))
 			return true;
+		if (dc_is_hdmi_frl_signal(context->res_ctx.pipe_ctx[i].stream->signal))
+			return true;
 	}
 	return false;
 }