Posted by VIP Experts on June 28, 2019
The demand for higher resolution displays is exploding across the market segments from electronics like television, monitors, laptops, and smartphones to the emerging technologies like video and vision, automotive, and AR/VR. The bandwidth requirement for displays increases multi-fold with higher resolution which has been the main driver for development of the latest DisplayPort 2.0 specification by VESA.
The Synopsys Verification IP team has already been engaged with early adopters using this evolving specification since early 2019. This collaboration has helped accelerate the verification closure of the early adopters next generation Display designs ahead of their competition. In this blog, we will highlight what’s new in DisplayPort 2.0 specification, and provide insights from our experiences working with customers.
To meet industry requirements, this latest specification, DisplayPort 2.0, adds the following significant enhancements and new features:
The DisplayPort 2.0 specification remains compatible with previous versions, the first being over a decade old now. This new specification is also now compatible to USB Type-C, and Thunderbolt-3.
This standard adds a Panel Replay feature, borrowed from the Panel Self Refresh (PSR) feature of eDP standard, to improve the power efficiency. The feature helps to save system power when the displayed image remains static/same over several frames, or only a small portion of the frame is updated.
FEC is being made mandatory for DisplayPort 2.0, while it was optional in DisplayPort 1.4, ensuring error free transmission in high speed interfaces. Another point to note is that DisplayPort 1.4 has two different packetization methods for single and multi-streams (SST & MST modes), while DisplayPort 2.0 has a common packetization method for both single and multi-streams. DisplayPort 2.0 carries forward the DSC compression feature of DisplayPort 1.4 with which it can even cater to a 16K display.
DisplayPort 2.0 can work with the configurations listed below in USB Type-C via DisplayPort Alt mode, to allow simultaneous SuperSpeed USB data and video transmission:
Synopsys is the market leader in Verification IP for next generation Display technologies, delivering industry first VIPs for DisplayPort 1.4 with DSC 1.2, and HDMI 2.1 with HDCP 2.2. We have extended our leadership with the availability of customer-proven VIP for the latest VESA DisplayPort 2.0 specification.
For more information on Synopsys’ display and other VIP, please visit: www.synopsys.com/vip.
Stay tuned for our upcoming blogs on the verification challenges presented by updates to the DisplayPort specification including higher rates, topologies, compression, FEC, encoding & power efficiency. In the meantime, we encourage you to read our recent blogs and announcements:
Authored by Dinesh Siwal and Thenmozhy Kaliyamurthy.
A global team of protocol experts that share their insights and technical expertise in the areas of Automotive, DRAM and Flash Memories, Storage, Display, MIPI, AMBA, Ethernet, PCIe, USB and many other bus and interface protocols. This comprehensive team participates in standards committees and will provide the latest information and updates as it relates to your future design considerations.