DisplayPort Raw Data Transmission via Y-Only Mapping
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Solution Overview
Problem
Current DisplayPort technology does not support the transfer of raw data formats generated by components such as camera modules, limiting its use in internal consumer electronics device operations.
Innovation Solution
A method and apparatus for packing and transporting raw data over a DisplayPort interface by encoding it into symbol sequences using a Y-only data mapping scheme, with Main Stream Attribute packets indicating the data format and bit length, allowing transmission and reconstruction at the sink device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If DisplayPort technology is used for internal consumer electronics device operations, then data transmission capability is improved, but compatibility with raw data formats is lost
Solution Approach 1:
The patent changes the data format parameters by converting raw data into DisplayPort-compatible formats (such as YUV 4:2:0, YUV 4:4:4, or RGB) while maintaining the original data content. This parameter transformation enables raw data to be transmitted over DisplayPort interfaces that traditionally only supported standardized video formats, thus resolving the contradiction between transmission capability and format compatibility.
2Adaptability or versatility
If raw data is converted to DisplayPort compatible format, then transmission compatibility is improved, but data processing complexity increases
Solution Approach 1:
The patent performs format conversion as a preliminary action before data transmission. By converting raw data to DisplayPort-compatible formats in advance (at the source device), the system eliminates the need for complex real-time conversion at the receiver end. This preliminary processing approach reduces overall system complexity while ensuring transmission compatibility.
Data Source
AI summary
Methods and apparatus for packing and transporting data within an electronic device. In one embodiment, a consumer electronics device having one or more sensors (e.g., camera sensors) uses modified DisplayPort micro-packets for transmission of RAW format data over one or more lanes of a DisplayPort Main Steam. The RAW data is transported over the one or more lanes by mapping symbol sequences generated from the RAW data based on Y-only data mappings schemes of DisplayPort. A mapping scheme is in one variant selected based on the bits length (e.g., bits per pixel) of the RAW data, in addition to the number of lanes used to transport over the Main Stream. In order for the sink correctly unpack received the micro-packets, the transmitting source transmits Main Stream Attribute (MSA) data packets configured to indicate at least the mapping scheme used.