DISPLAYPORT™ TECHNOLOGY UPDATE Jim Choate VESA Compliance Program Manager June 15, 2017
DisplayPort TechnologyUpdate
Agenda
• VESAOverview
• DisplayPort™1.4EarlyCertification
• DisplayPortoverUSB-CTMCertification
• Summary
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DisplayPort TechnologyUpdate
About VESA
48%
43%
9%
MembershipbyRegion
NorthAmerica Asia Europe
• Globalindustryalliancewithmorethan250membercompanies
• Missiontodevelop,promoteandsupportecosystemofvendorsandcertifiedinteroperableproductsfortheelectronicsindustry
• FacilitateDisplayPort standardsdevelopment,publicationandcompliancetesting,aswellaspromotionandmarketing
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DisplayPort TechnologyUpdate
VESA Membership is Diverse
15%
15%
9%
6%4%5%
2%
35%
3%3%
7% Cables.Conn.
Displays
Graphics
Mounting
PanelMakers
PCOEM
Projector
Silicon
Software
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DisplayPort TechnologyUpdate
VESA Membership Continues to Grow
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Mem
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Membership
DisplayPort TechnologyUpdate
Overview of Base DisplayPort Standard
• Starting2005,majorsuppliersinthepersonalcomputerindustrysetofftodefinethenextgenerationdisplayinterface• PC,Display,SemiconductorandConnectivityOEMsdrovedevelopment
• Overallobjectives• Openstandard,contributionopentoallcompanies• Futureproofinbothperformanceandfeatures• Applicableoverawiderangeofapplications
• DevelopmentwasdonewithintheVideoElectronicsStandardsAssociation• None-disclosureandIPpoliciesprotectcontributingcompanieswhen
presentingnewtechnologyandprovideaproductiveworkenvironment 7
DisplayPort TechnologyUpdate
“StrategyAnalyticsestimatesthat5%oflaptops,tablets,andhandsetsshippedin2016areDisplayPortcapable(includingDisplayPortAltMode),withthefigurerisingto29%by2021…”
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FactorsdrivingincreasedDisplayPortadoptionratesare:• Demandforhigh-qualityvideo(4KUHDandhigher)• VR/AR• IncreasedadoptionofUSB-CandThunderbolt3• Mobiledevicedockingsolutions
DisplayPort TechnologyUpdate
DisplayPort 1.4 Summary
• TheVESADisplayPort Standard,Version1.4,wasreleasedonFebruary23,2015• AddednewfeaturesandcapabilitiessuchasDisplayStreamCompression(DSC),
ForwardErrorCorrection(FEC)andenhancedMulti-StreamTransport(MST)feature• Backwardcompatible,offersnewoptionalfeatures• NewSiliconsupportingHBR3isshippingandnewfeaturesareunderdevelopment• Compliancetestingbeganinsecondhalfof2016
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DisplayPort TechnologyUpdate
DP Link Rate Increase
TotaluseabledatatransferrateforDP1.4=25.92Gbps8.1Gbps linkrate,perlane
x0.8toaccountfor8b/10btransportcodingoverheadx4maximumnumberofavailablelanes25.92Gbps totalusabledatatransferrate 13
DP VersionIntroduction
LinkRateName
BitRate MaxResolution Support(24bpp,60HzRefresh,4:4:4format
MaxResolution Support(24bpp,60HzRefresh,4:2:0format
DP1.0 RBRHBR
1.62Gbps2.7Gbps
1920x10802560x1600
NotsupportedNotsupported
DP1.2 HBR2 5.4Gbps 4Kx2K Notsupported
DP1.4 HBR3 8.1Gbps 5Kx3K 8Kx4K
DisplayPort TechnologyUpdate
Optimization for Shared Interface Use• NumerousspecificationenhancementstosimplifytheuseofDisplayPort asan
ingredientinthefollowinginterfaceexamples:• TheUSBType-Cconnector,usingtheDisplayPort AltMode• VESADockPort Standard• VESAMobilityDisplayPort Standard(MyDP)• VESAEmbeddedDisplayPort Standard(eDP)• ThunderBolt• VirtualandAugmentedRealityTechnologies
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DisplayPort TechnologyUpdate
DisplayPort 1.4 Continues to Support Other Features that are Unique to DisplayPort
• MultiplemonitorsusingMulti-Stream
• High-definitionaudioformats
• AdaptiveSync
• ProtocolconverterstoVGA,DVI,orHDMI
• Lowvoltage,ACcoupledinterfacecompatiblewithsub-micronprocessgeometry,simplifyingintegration
• DatascramblingandfixedlinkratessimplifyEMIandRFImitigation
• RoyaltyfreestandardavailabletoVESAmembers15
DisplayPort TechnologyUpdate
Expected DisplayPort 1.4 Deployment
• HBR3(32.4 Gbit/s)stillremainsthehighestavailablemodeandisshippingtoday.EarlycertificationofHBR3Silicon/endproductsstarted2H’2016
• DP1.4isexpectedtobeenabledinbothnativeDPdevicesanddevicesusingtheUSBType-CinterfacewiththeDisplayPort AlternateMode
• DP1.4CTSdevelopmentisunderway• TestsunderdevelopmentcoverHBR3,DSC,FECandHPD/IRQ_HPDresponse
testing• UpdatestoLinkLayerCTSandPHYLayerCTSdocumentsareinprogressand
expectedtobepublishedin2H’2017
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DisplayPort TechnologyUpdate
VESA PlugTest Events• PlugTests havesignificantvaluetomembercompanies.Particularlyasnew
capabilitiesandproductsaredeployed.
• DemonstrateandimproveTraditionalInteroperability
• TestDP1.4andDPAltModeoverUSBType-CTMproducts• HBR3andothernewcapabilities• VerifyTestEquipmentCorrelation
• VESAhostedthreesuccessfulPlugTests in2016
• VESAplanstohostthreePlugTests in2017• March2017BurlingameCA,USA:Completed• June26th TaipeiTaiwan:Scheduled• Oct/NovPlugTest TBD
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DisplayPort TechnologyUpdate
Top DP Compliance Test Issues
• ReducedLaneFallbackRequirements• DP1.4clarifiedreducedlanecountfallbackrequirements• GRLandAllion havebeenperforminginformativetestsforayear• QDandUnifgraf haveimplementedtests• Willberequireascertificationtestin2H’2017
• SinkBitErrorCountRegistersnotimplementedcorrectly• TheseareimportantsothatDPSourcescandetectmarginalorfailinglinkand
takecorrectiveaction(re-initiatelinktraining)• Willberequiredandtestedin2H’2017
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DisplayPort TechnologyUpdate
Top DP Compliance Test Issues
• HBR3ComplianceTesting• TesttoolsandCTSarebeingupdatedtosupportHBR3productswithfinal
correlationtestingduringJuneTaiwanPlugTest event• “EarlyProductCertificationPlan”isbeingusedforearlyadopters.Several
referencechipsetshavebeencertified.• AMD,Nvidia:HBR3DPSources• Realtek,Mstar:HBR3DPSinks
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DisplayPort TechnologyUpdate
DisplayPort Over USB-C Summary
• TheVESADisplayPort AltModeStandard,Version1,wasreleasedonSept22,2014
• EnablestheuseoftheUSBType-CinterfaceforDisplayPort
• AlternateModefunctionalextensionoftheUSBType-Cinterface
• DevelopedinliaisonwiththeUSB3.0PromoterGroup
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DisplayPort TechnologyUpdate
Introduction of USB Type-C
• NewgenerationofUSBconnectordevelopedtoservethemarketfornext20years
• Thinprofilesuitableforbothultraportabledevicesandlargerdevices
• Reversible plug orientation&cable direction• USB3.1Gen2(10Gbps)• USBPowerdelivery,upto100watts• SupportsDisplayPort AlternateMode
22USBType-Cinformationisprovidedasaninformativeoverviewonly.PleaserefertotheUSBType-CCableandConnectorSpecificationavailableatwww.usb.org formoreinformation
DisplayPort TechnologyUpdate
Introduction of USB Type-C
• USBType-Cwillbetheonlyinterfaceyouwillneed• Highspeed,securedata• Displayconnection• SystemPower
23USBType-Cinformationisprovidedasaninformativeoverviewonly.PleaserefertotheUSBType-CCableandConnectorSpecificationavailableatwww.usb.org formoreinformation
DisplayPort TechnologyUpdate
USB Type-C Receptacle Pins
Belowisadiagramofthepinsdefinedforsystemordevicereceptacle
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HighSpeedDataPath(TXforUSB,orforDP
AltMode) USB2.0Interface
HighSpeedDataPath(RXforUSB,orTXfor
DPAltMode)
CableGround CableBusPower
ForSidebandUse(notusedforUSB)
PlugConfigurationDetection-OnebecomesVCONN,forcableoradaptorpower-CCisusedforUSB-PDcommunication
DisplayPort TechnologyUpdate
Example USB Type-C Configurations
EitherendcanserveasUSBHost,USB-PDPowerConsumer,andDisplayPort VideoSource(theseservicesareorthogonaltoeachother)
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USB2.0or3.1DataDisplayData
USB2.0or3.1DataDisplayData
DeviceSupplyingPower
DeviceCharging
DeviceCharging
DisplayPort TechnologyUpdate
Example USB Type-C Configurations
Samsung8usesUSB-Cforcharging
or
Samsung8Phone+DEXdockactsasUSB2Host,USB-PDPowerConsumer,andDisplayPortVideoSource
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USB2.0DataDisplayData:4Lanes
DeviceCharging
DeviceCharging
DisplayPort TechnologyUpdate
USB Type-C Connector Function Extension DisplayPortAlternate Mode
• DisplayPortcanbecombinedwithUSB2.0and/orUSB3.1operationoverthesameUSBType-Ccable.With2lanesofDP1.4HBR3candrive4K60hzdisplay.• ImplementedwithtwohighspeedpairsforDP(usingtwolaneDPoperation),andtwo
highspeedpairsforUSB(USB3.1onlyusestwohighspeedlanesfornormaloperation)• Usefulfordockingstationsorhubs,orforaddingdockingstationfunctionalitytoadisplay
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USB HostWith DisplayPort Alternate
Mode Capability
USB Type-CConnector
USB Device (or Dock)With DisplayPort Alternate Mode
Capability
USB Type-CConnectorUSB Type-C to Type-C Cable
DisplayPort
USB 3.1 Data
Power Deliveryor
or
DisplayPort TechnologyUpdate
Supported Cable Types
• USB-CtoUSB-C
• USB-CtoDP
• USB-CtoProtocolconverter
• USB-CtoDockingstationorembeddedhubsolution
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DisplayPort TechnologyUpdate
Supported Cable Types• USB-CtoDPPlugcablesmustincludelogictosupportUSBPDandDPconnection
detectprotocols.
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DP
PDController
HPDUSB-PD
DPSignaling
• ProtocolconvertersmustsupportsomeoptionalfeaturesinDP1.4specification• ProtocolconverterstranslatesourceDPsignalstotherespectiveprotocol
supported
HDMI
ProtocolConverter
DisplayPort TechnologyUpdate
Wide Range of Adapters Shipping Today
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USB-CTMtoUSBAPlug USB-CTMtoUSBAReceptacle
USB-CTMtoDP
USB-CTMtoUSB-CTM USB-CTMtoHDMI
DisplayPort TechnologyUpdate
DisplayPort Alternate Mode - Compliance Test Plan
• VESAdevelopedtheDPAlternateModecompliancetestincoordinationwiththeUSB-IFtoensureinteroperabilityofproductsacrosssupportedstandards
• VESADisplayPortoverUSBType-CComplianceTestSpecification(CTS)v1.0wasreleasedJanuary2017
• CertificationofDisplayPortAlternateModeproductsisstillincreasingwithdozensofproductscertifiedoverthelastyear
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DisplayPort TechnologyUpdate
DP over USB-C Product USB Certification Test
• USBcompliancetestsareconductedtoachievecertificationofDPAltModeproductstoensurethatfunctionallytheUSBfeaturesofthoseproductsprovidesagooduserexperience.
• DevicesthatsupportUSBfunctionalityshallconducttheUSBtestsincludedinthecompliancetestsummarytablesforeachproductcategory.
• CompletingUSB-IFcertificationtestingandreceivingUSB-IFTIDwillbesufficienttoshowthatthosetestshavebeencompletedandpass.
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DisplayPort TechnologyUpdate
Top DP Alt Mode Compliance Test Issues
• PinAssignmentTesting• IssueswithproperimplementationpinassignmentEsupportandsourcedevice
selectionhavebeenuncovered• Newtestshavebeenimplementedbytestequipmenttoverifycorrect
implementationofpinassignments
• DPAltModeCTSpinassignmenttestupdatesV4SCRisunderGeneralMemberReview(GMR)endingJuly10,2017
• USBPDProtocolfailures• UsecertifiedUSBPDcontrollersandpassingfw
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DisplayPort TechnologyUpdate
Example: DisplayPort Alt Mode Tests for DFPs
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WhenDPAltModeSourceisconnectedtoReceptaclebasedSinkitmustneverselectpinassignmentE!
DisplayPort TechnologyUpdate
Top DP Alt Mode Compliance Test Issues
• 2xDP/2xUSB3.1configurationtesting• CrosstalkbetweenUSB3.1linesandDPlinescandegradethelink
• USBType-CtoDPPlugadapterreversibility• USBType-CtoDPplugadaptersmustworkconnectedinbothdirections
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DisplayPort TechnologyUpdate
DP Alt Mode Certification Policies
• USBType-CtoHDMIprotocolconverters• DPAltModespecstatestheymustsupportHDMI2.0amongother
requirements• Theserequirementscanbewaiveduntil2018forcertification• VESAhascertifiedtwoOEMproductsthatmeetallspecificationrequirements
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DisplayPort TechnologyUpdate
Summary
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• DP1.4providesover50%increaseinperformanceamongotherimprovements• Enables4K120Hz,8K@30Hzand2lane4K60HzforDPAltMode
• DisplayPort overUSB-Cisagamechangerforsmallformfactorandportableproducts
• DPAltModeCTSpublishedinJanuaryof2017
• TestingandcertificationofDPAltModeproductsiscomprehensiveandunderway
• NextVESAPlugTest eventscheduledweekofJune26th inTaipeiTaiwan