Patent ID: 7853731

Claim:
A method for link training in an embedded system DisplayPort device, the DisplayPort device having at least one lane, the method comprising: selecting a set of preset parameters of a plurality of sets of preset parameters; loading the selected set of preset parameters into a source device and a sink device of the DisplayPort device of the embedded system; performing link training between the source device and the sink device utilizing the selected set of preset parameters; reading a link status of the at least one lane; if the link status of the at least one lane indicates that the link training utilizing the selected set of preset parameters is successful, then a link is established between the source device and the sink device utilizing the selected set of preset parameters, and if the link status of the at least one lane indicates that the link training utilizing the selected set of preset parameters is unsuccessful, repeating the steps of selecting, loading, performing and reading using different sets of preset parameters until the link status of the at least one lane indicates that the link training is successful.