How much time is it waited to write new configuration register data via I2C after ADV7393 software reset?
A software reset does not require a time delay. The reset goes into effect immediately when the 0x17 is set to '1'.
5ms reset delay is usually associated with the hardware reset. No mention of a delay is given in the hardware manual. For hardware reset it is best to keep reset low until the power rails are stable. Normally this can be accomplished with a simple RC circuit on the reset pin.
Retrieving data ...