VESA Embedded DisplayPort Standard DISTRIBUTION TO NON-MEMBERS IS PROHIBITED Version 1.3
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Table of Contents
Purpose .................................................................................................................................................. 1!
Summary ................................................................................................................................................ 1!
Preface ................................................................................................................................................... 6!
Acknowledgements ................................................................................................................................ 8!
Revision History .................................................................................................................................... 9!
1! Overview ........................................................................................................................................ 11!
1.1! Background .............................................................................................................................. 11!
1.2! Acronyms ................................................................................................................................. 12!
1.3! Glossary ................................................................................................................................... 13!
1.4! References ................................................................................................................................ 15!
2! eDP System Architecture ............................................................................................................... 16!
2.1! eDP System Application .......................................................................................................... 16!
2.2! eDP Support by Source and Sink Components ....................................................................... 16!
3! Embedded DisplayPort Implementation ........................................................................................ 17!
3.1! Background .............................................................................................................................. 17!
3.2! eDP Feature Requirements and Recommendations ................................................................. 17!
3.3! Number of Main Link Lanes vs. Video Mode Support (Informative) .................................... 19!
3.4! eDP AUX Link Services .......................................................................................................... 21!
3.5! PSR Secondary Data Packet Support ...................................................................................... 37!
3.6! Support for Display Authentication and Content Protection ................................................... 39!
3.7! Panel Input Power (LCDVCC) ................................................................................................ 46!
3.8! Main Stream Attribute Data ..................................................................................................... 46!
3.9! Display Backlight Control Using DPCD Registers ................................................................. 47!
3.10! LCD Panel Self-Test (Informative) ......................................................................................... 52!
4! Panel Self Refresh (PSR) ............................................................................................................... 54!
4.1! Architecture Overview ............................................................................................................. 54!
4.1.1! Source Responsibilities ................................................................................................................. 55!
4.1.2! Sink Responsibilities ..................................................................................................................... 55!
4.2! Configuration ........................................................................................................................... 56!
4.3! PSR Entry/Exit Protocols ........................................................................................................ 57!
4.3.1! PSR States ..................................................................................................................................... 57!
4.3.2! PSR Entry ...................................................................................................................................... 60!
4.3.3! PSR Exit ........................................................................................................................................ 62!
4.3.4! PSR Entry Abort ........................................................................................................................... 65!
4.3.5! Single Frame Updates .................................................................................................................. 66!