System and method for embedded displayport link training

Details System and method for embedded displayport link training System and method for embedded displayport link training

2008-08-27

2010-12-14

Tseng, Cheng-Yuan (Department: 2184)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral monitoring

C710S019000, C710S017000, C710S062000, C710S074000

Reexamination Certificate

active

07853731

ABSTRACT:
The method of the present invention includes loading a selected set of preset parameters into a source device and a sink device of the DisplayPort device of an embedded system. Link training is then performed between the source device and the sink device utilizing the first set of preset parameter and the link status (bit lock, symbol lock and inter-lane alignment) of the DisplayPort device is then read. If the link status indicates that the link training is successful, a link is established between the source device and the sink device, or if the link status indicates that the link training is unsuccessful, a different set of preset parameters is loaded and link training is then performed again. The steps of loading, performing and reading are repeated with each of the plurality of sets of preset parameters until the link status indicates that the link training is successful.

REFERENCES:
patent: 7620062 (2009-11-01), Kobayashi
patent: 2009/0175397 (2009-07-01), Lee et al.

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