Hello：
At present, j721 EVM is being tested and DP output is being tested. The computer display screen connected with DP to DVI cannot be displayed, and the log display cannot shake hands with the display screen:
[ 1297.225124] cdns-mhdp8546 a000000.dp-bridge: Failed to read DPCD addr 0
[ 1297.235367] cdns-mhdp8546 a000000.dp-bridge: Failed to read DPCD addr 0
[ 1297.241972] cdns-mhdp8546 a000000.dp-bridge: Failed to read receiver capabilities
[ 1303.664929] cdns-mhdp8546 a000000.dp-bridge: get block[0] edid failed: -22
[ 1303.671799] cdns-mhdp8546 a000000.dp-bridge: Failed to read EDID
What are the displays corresponding to j721 EVM DP? Recommend one
