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DisplayPort Technology Update
Jim ChoateVESA Compliance Program Manager
June 15, 2016
Agenda
§ VESAOverview§ DisplayPortTM 1.4§ WhyyouneedDisplayPort EarlyCertificationandAllion's updateforDP1.4
§ DisplayPortoverUSB-CTM Overview§ DisplayPortoverUSB-CTM Certification§ GRL’sExperiencein DisplayPort over USBType-C(tm)Testing
§ Summary
3
AboutVESA• Globalindustryalliancewithmorethan230membercompanies
• Missiontodevelop,promoteandsupportecosystemofvendorsandcertifiedinteroperableproductsfortheelectronicsindustry
• FacilitateDisplayPortstandardsdevelopment,publicationandcompliancetesting,aswellaspromotionandmarketing
VESAMembershipisDiverse
Membership by Sector
QuickFact
VESAMembershipContinuestoGrow!
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260Ap
r.2014
May.2014
Jun.2014
Jul.2014
Aug.2014
Sep.2014
Oct.2014
Nov.2014
Dec.201
4Jan.2015
Feb.2015
Mar.2015
Apr.2015
May.2015
Jun.2015
Jul.2015
Aug.2015
Sep.2015
Oct.2015
Nov.2015
Dec.201
5Jan.2016
Feb.2016
Mem
bers
Membership
OverviewofBaseDisplayPortStandard
• Starting~2005,majorsuppliersinthepersonalcomputerindustrysetofftodefinethenextgenerationdisplayinterface– PC,Display,SemiconductorandConnectivityOEMsdrove
development
• Overallobjectives– Openstandard,contributionopentoallcompanies– Futureproofinbothperformanceandfeatures– Applicableoverawiderangeofapplications
• DevelopmentwasdonewithintheVideoElectronicsStandardsAssociation– None-disclosureandIPpoliciesprotectcontributingcompanies
whenpresentingnewtechnologyandprovideaproductiveworkenvironment
Agenda
§ VESAOverview§ DisplayPortTM 1.4§ WhyyouneedDisplayPort EarlyCertificationandAllion's updateforDP1.4
§ DisplayPortoverUSB-CTM Overview§ DisplayPortoverUSB-CTM Certification§ GRL’sExperiencein DisplayPort over USBType-C(tm)Testing
§ Summary
VESA Confidential
DisplayPort1.4Summary
8
• TheVESADisplayPortStandard,Version1.4,wasreleasedonFebruary23,2015
• AddsnewfeaturesandcapabilitiessuchasDisplayStreamCompression(DSC),ForwardErrorCorrection(FEC)andenhancedMulti-StreamTransport(MST)feature
• Backwardcompatible,offersnewoptionalfeatures
• NewSiliconsupportingHBR3andnewfeaturesareunderdevelopment
• Compliancetestingexpectedduringsecondhalfof2016
VESA Confidential
DPLinkRateIncrease
9
TotaluseabledatatransferrateforDP1.4=25.92Gbps
8.1Gbpslinkrate,perlanex0.8toaccountfor8b/10btransportcodingoverheadx4maximumnumberofavailablelanes
25.92Gbpstotalusabledatatransferrate
DP VersionIntroduction
LinkRateName
Bit rate MaxResolution Support(24bpp,60HzRefresh,4:4:4format)
MaxResolution Support(24bpp,60HzRefresh,4:2:0format)
DP1.0 RBR 1.62Gbps 1920x1080 Not supported
HBR 2.7Gbps 2560x1600 Not supported
DP1.2 HBR2
5.4Gbps 4Kx2K Not supported
DP1.3/1.4 HBR3
8.1Gbps 5K x3K 8Kx4K
VESA Confidential
OptimizationforSharedInterfaceUse
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• NumerousspecificationenhancementstosimplifytheuseofDisplayPortasaningredientinthefollowinginterfaceexamples:– TheUSBType-Cconnector,usingtheDisplayPortAltMode– VESADockPortStandard– VESAMobilityDisplayPortStandard(MyDP)– VESAEmbeddedDisplayPortStandard(eDP)– ThunderBolt– Futurewirelessinterfaces
VESA Confidential
DisplayPort1.4ContinuestoSupportOtherFeaturesthatareUniquetoDisplayPort
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• MultiplemonitorsusingMulti-Stream
• High-definitionaudioformats
• AdaptiveSync
• ProtocolconverterstoVGA,DVI,orHDMI
• Lowvoltage,ACcoupledinterfacecompatiblewithsub-micronprocessgeometry,simplifyingintegration
• DatascramblingandfixedlinkratessimplifyEMIandRFImitigation
• RoyaltyfreestandardavailabletoVESAmembers
VESA Confidential
ExpectedDisplayPort1.4Deployment
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• HBR3(32.4 Gbit/s)asintroducedinversion1.3stillremainsthehighestavailablemode
• DP1.4isexpectedtobeenabledinbothnativeDPdevicesanddevicesusingtheUSBType-CinterfacewiththeDisplayPortAlternateMode
• DP1.4Devicesareunderdevelopmenttoday• DisplayPort-to-HDMI2.0convertersareavailabletoday• DP1.4CTSdevelopmenthasbegun
– TestsunderdevelopmentcoverHBR3,DSC,FECandHPD/IRQ_HPDresponsetesting
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• PlugTestshavesignificantvaluetomembercompanies.Particularlyasnewcapabilitiesandproductsaredeployed.
• VESAhostedthreesuccessfulPlugTestsin2015• VESAplanstohostthreePlugTestsin2016
Objectivesof2016PlugTests• DemonstrateandimproveTraditionalInteroperability
• Particularlyimportantfornewproductcapabilities• TestDP1.4andDPAltModeoverUSBType-CTMproducts
• HBR3andothernewcapabilities• VerifyTestEquipmentCorrelation• Dates/Locations:
– Done: March21-24th 2016,TaipeiTaiwan– Scheduled: September12-16,2016BurlingameCA– TBD:Taiwan/USNovember2016?
VESAPlugTestEvents
TopDPComplianceTestIssues
• ReducedLaneFallbackRequirements• DP1.4clarifiedreducedlanecountfallbackrequirements• GRLandAllion havebeenperforminginformativetestsforlast6months
• QDandUnifgraf haveimplementedtests• Willrequireascertificationtestin2017
• LinkTrainingPHYtestautomation• WorkingonnewtestmethodologyfortestingPHYduringlinktraining
• WillbepartofPHY1.4CTS• HBR3ComplianceTesting
• TesttoolsandCTSarebeingupdatedtosupportHBR3productswhentheyareready
• Planistocreate“earlyproductcertificationplan”forearlyadopters
Agenda
§ VESAOverview§ DisplayPortTM 1.4§ WhyyouneedDisplayPort EarlyCertificationandAllion's updateforDP1.4
§ DisplayPort overUSB-CTM Overview§ DisplayPortoverUSB-CTM Certification§ GRL’sExperiencein DisplayPort over USBType-C(tm)Testing
§ Summary
Agenda
§ VESAOverview§ DisplayPortTM 1.4§ WhyyouneedDisplayPort EarlyCertificationandAllion's updateforDP1.4
§ DisplayPort overUSB-CTM Overview§ DisplayPortoverUSB-CTM Certification§ GRL’sExperiencein DisplayPort over USBType-C(tm)Testing
§ Summary
VESA Confidential
DisplayPortOverUSB-CSummary
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• TheVESADisplayPortAltModeStandard,Version1,wasreleasedonSept22,2014
§ EnablestheuseoftheUSBType-CinterfaceforDisplayPort
§ AlternateModefunctionalextensionoftheUSBType-Cinterface
§ DevelopedinliaisonwiththeUSB3.0PromoterGroup
VESA Confidential
Introduction ofUSBType-C
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• NewgenerationofUSBconnectordeveloped toservethemarketfornext20years
• Thinprofilesuitableforbothultraportabledevicesandlargerdevices
• Reversibleplugorientation&cabledirection– USB3.1Gen2(10Gbps)– USB Powerdelivery,upto100watts– SupportsDisplayPortAlternateMode
USB 3.1 Type-C
USB 3.1 Standard-A
• High speed, secure data• Display connection• System Power
USB Type-C will be the only interface you will need
USB Type-C information is provided as an informative overview only, please refer to the USB Type-C Cable and Connector Specification available at www.usb.org for more information
VESA Confidential
USBType-CReceptaclePins
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Belowisadiagramofthepinsdefined forsystemordevicereceptacle
CableGround
CableBusPower
HighSpeedDataPath(TXforUSB,orforDPAltMode)
HighSpeedDataPath(RXforUSB,orTXforDPAltMode)
USB2.0Interface
PlugConfigurationDetection• OnebecomesVCONN,for
cableoradaptorpower• CCisusedforUSB-PD
communication
ForSidebandUse(notused
forUSB)
VESA Confidential
ExampleUSBType-CConfigurations
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Display Data
Device Supplying Power
Dock
USB 2.0 or 3.1 Data
USB 2.0 or 3.1 Data
Device Charging
USB
Device Charging
Display Data
Either end can serve as USB Host, USB-PD Power Consumer, and DisplayPort Video Source (these services are orthogonal to each other)
VESA Confidential
USB Type-CConnectorFunctionExtensionDisplayPortAlternateMode
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• ApassiveFullFeatureUSBType-CtoType-CcablecancarryuptofourDisplayPortlanes– ThiswillofferthesameperformanceandfeaturecapabilityasastandardDisplayPortconnection– ThiswillalsoallowDisplayPortdataratestoincreaseinthefuture,sincetheUSBType-C connector
hasveryhighdataratecapability
• DisplayPortcanbecombinedwithUSB3.1operationoverthesameUSBType-Ccable– ImplementedwithtwohighspeedpairsforDP(using twolaneDPoperation),andtwohighspeed
pairsforUSB(USB3.1only usestwohighspeed lanesfornormaloperation)– Usefulfordockingstationsorhubs, orforaddingdocking stationfunctionality toadisplay
• USB 2.0andUSBPowerDeliveryisavailableinallconfigurations– BecauseUSB2.0andUSBPowerDeliveryusededicatedwiresintheUSBType-C cable,bothofthese
services arealwaysavailable,evenwhenusingallfourUSBType-C highspeedpairsforDisplayPort
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
SupportedCableTypes
• USB-CtoUSB-C• USB-CtoDP• USB-CtoProtocolconverter• USB-CtoDockingstationorembeddedhubsolution
• USB-CtoDPcablesmustincludelogictosupportUSBPDandDPconnectiondetectprotocols.
• ProtocolconvertersmustsupportsomeoptionalfeaturesinDP1.3specification– ProtocolconverterstranslatesourceDPsignalstotherespectiveprotocol
supported
DPPD
Controller
HPDUSB-PD
HDMI
Protocol Converter
HDMI SignalingDP Signaling
DP Signaling
WideRangeofAdaptersShippingToday
USB-CTM to USB AReceptacle
USB-CTM to DP
USB-CTM to HDMI
USB-CTM to USB-CTM
USB-CTM to USB A Plug
VESA Confidential
DisplayPortAlternateModeCompliance TestPlan
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• VESAisdevelopingtheDPAlternateModecompliancetestincoordinationwiththeUSB-IF
• VESADisplayPortoverUSBType-CComplianceTestSpecification(CTS)isundermemberreview
– ExpectedtopublishCTSmid2016aftermemberreviewperiodiscompleted
• TheobjectiveistoenablecompliancetestingforUSBType-C,andtheDPAltModeforUSBType-C,atthesameATCsenablingtheuseofasingleteststation
Agenda
§ VESAOverview§ DisplayPortTM 1.4§ WhyyouneedDisplayPort EarlyCertificationandAllion's updateforDP1.4
§ DisplayPort overUSB-CTM Overview§ DisplayPortoverUSB-CTM Certification§ GRL’sExperiencein DisplayPort over USBType-C(tm)Testing
§ Summary
DPoverUSB-CProductCertification
• Developmentphase– newproductsarereadytoshipbeforecompliancetestprogramsarecomplete.
• Conformancetestingisstillimportanttohelpensureasmoothroll-outandgooduserexperiencewithearlyproducts.
• ForDPAltModeproductswecreatedanearlyproductcertificationplantoenableandpromotecertifiedproducts.
• CertificationtestingincludessignificantnumberoftestrequirementsforUSB3.1andUSBPDcertificationtestingcoverage.
• Allion andGRLareauthorizedandperformingcertificationforearlyDPAltModeproductstoday.ThiswillexpandtoallATCsandSelfTesterswhentheDPAltModeCTSandMOIsarepublished.
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DPoverUSB-CProductExampleCertificationTests
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DPoverUSB-CProductUSBCertificationTests
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• USBcompliancetestsareconductedtoachievecertificationofDPAltModeproductstoensurethatfunctionallytheUSBfeaturesofthoseproductsprovidesagooduserexperience.
• DevicesthatsupportUSBfunctionalityshallconducttheUSBtestsincludedinthecompliancetestsummarytablesforeachproductcategory.
• CompletingUSB-IFcertification testingandreceivingUSB-IFTIDwillbesufficienttoshowthatthosetestshavebeencompletedandpass.
DisplayPortAltModeoverUSB-CEarlyProductCertificationProgramResults
• Nearlyadozentablets,laptopsandmonitorshavebeencertifiedthroughthepilotphaseoftheearlycertificationprogram– Intel(Skylakereferencedesign)– Dell,HPtabletsandlaptops– LGandAsusdisplays– StarTechdock
• Severaldozenmorecertifiedproductsareexpectedtobeavailablebytheendoftheyear
TopDPAltModeComplianceTestIssues
• USBBillboard• TestSetuphardtoobtain.Testsw isstillunderdevelopment
• AllDPAltModesinksanddualrolesourcesrequiredtosupportUSBBillboard
• USBPDProtocolfailures• UsecertifiedUSBPDcontrollersandpassingfw
• 2xDP/2xUSB3.1configurationtesting• CrosstalkbetweenUSB3.1linesandDPlinescandegradethelink
• USBType-CtoDPPlugadapterreversibility• USBType-CtoDPplugadaptersmustworkconnectedinbothdirections
• AsMedia USB-CxHCI HostInstalledinavailablePCIeSlot– AT1027,Rev3.10– NoAltMode– USB-Cconnector
• Windows8.1/10PC• USB3CVToolfromUSBIF
USBBillboardTestsetup
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USB-C DP Alt Mode DUT
USBBillboardTest
IssueswithBillboard• USB-CXHCIhostnot
yetcommerciallyavailable
• CTSandTestSWnotcomplete
• Productsdon’tupdatetoreleased/passingfwversions
USBCVfromUSB-IFwebsite
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Call to Action: VESA will consider sponsoring a build of the AT1027 XHCI host cardWith sufficient pre-orders. Contact VESA if interested.
DPAltModeCertificationPolicies
• USBType-CtoHDMIprotocolconverters– DPAltModespecstatestheymustsupportHDMI2.0amongotherrequirements
– Theserequirementscanbewaiveduntil2018forcertification
• USBPDcontrollercertification– PriortosubmissionofproductforDPAltmodeoverUSBType-CcertificationallproductsmusthavegottentheUSBPDcontrollerusedcertifiedbyUSB-IF.
Agenda
§ VESAOverview§ DisplayPortTM 1.4§ WhyyouneedDisplayPort EarlyCertificationandAllion's updateforDP1.4
§ DisplayPort overUSB-CTM Overview§ DisplayPortoverUSB-CTM Certification§ GRL’sExperiencein DisplayPortover USBType-C(tm)Testing
§ Summary§ Q&A+Demos
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• DP1.4providesover50%increaseinperformanceamongotherimprovements
• DisplayPortoverUSB-Cisagamechangerforsmallformfactorandportableproducts
• DPAltModeCTSwillbeavailableinearlyQ3of2016
• TestingandcertificationofDPAltModeproductsiscomprehensiveandunderway
• NextVESAPlugTesteventscheduledinSeptember2016inBurlingameCA
Summary
QUESTIONS?
DEMOSTATIONOVERVIEW
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Demos
• Keysight - DPAltModeoverUSB-CTransmittertestdemo
• Tektronix– HBR3transmittertest• Allion – HBR3Jittertolerancedemo• GRL- USBPDcompliancetesting• Luxshare – ICTUSB-Ctestfixtures
Thankyou!
www.displayport.orgwww.vesa.org