We used ds90ub949 transmit car informationt to instrument,the DS90UB948 as a receiver in the instrumnet,the instrumnet pixel is 1920x720,now the instrumnet can display,but not display OK ,below picture is the OK and NG.the left picture is not used DS90ub949. I found the lock pin of DS90UB948 is high.
we not used EDID CHIP in the product.
please tell me why instrument not work normally