The invention discloses an HDMI automatic configuration method, and a correlation apparatus. According to the method, type identification information of an object video is obtained from source data received from an HDMI, according to the type identification information, an object version matching the object video is determined, then according to the object version, version configuration is performed on the HDMI, and thus the actual work version of the HDMI matches the object video. It can be seen that the version configuration process of the HDMI does not need user intervention, can be completely automatically executed and completed by a system-on-a-chip of a display device, under the condition that a user does not have correlation professional knowledge, version correctness of the HDMI and timely switching can also be ensured, such error prompts as video play incapability and the like do not occur, and experience satisfaction of the user is improved.