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September 13-16, 2022
Dublin, Ireland + Virtual
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Note: The schedule is subject to change.

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Friday, September 16 • 09:50 - 10:30
Extended Display Identification Data (EDID): Problems, Pitfalls and Complications - Hans Verkuil, Cisco Systems Norway

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The EDID describes the capabilities of a display, allowing a video source to transmit video that is understood by the display. This presentation describes what sort of information an EDID contains and how video sources such as graphics drivers are supposed to interpret them.

The main focus of this presentation is how EDIDs are used by DisplayPort and HDMI interfaces, and the complications that arise when dealing with the subtle differences between Consumer Electronics devices such as TVs and A/V Receivers, and IT devices like laptops and PCs.

The presentation will also look at recent developments, specifically w.r.t. the CTA-861 standard which describes an EDID Extension Block that is used by both DisplayPort and HDMI interfaces.
Speakers
avatar for Hans Verkuil

Hans Verkuil

Sw. Eng. Technical Leader, Cisco
Hans Verkuil started contributing patches to the MPEG encoder/decoder ivtv driver in early 2004 and it snowballed from there. He is a video4linux co-maintainer responsible for V4L2 bridge drivers, video receivers and transmitters, and maintainer of the HDMI CEC framework. Since 2018... Read More →

elce2022 edid pdf
Friday September 16, 2022 09:50 - 10:30 IST
Liffey Meeting Room 1 (Level 1)
  Embedded Linux Conference (ELC), Audio + Video + Streaming Media and Graphics