Thank you for your quick response.
I checked DxDiag output in my PC (Win10 RS2), and it says DisplayLink Device seems WDDM1.3 (plz see below).
In such case, DisplayLink works as WDDM2.2 ? (In other words, WDDM1.3 is not applicable for DisplayLink?)
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Display Devices
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Card name: Intel(R) HD Graphics 620
Manufacturer: Intel Corporation
Chip type: Intel(R) HD Graphics Family
DAC type: Internal
Device Type: Full Device
(snip)
Driver File Version: 22.20.0016.4749 (English)
Driver Version: 22.20.16.4749
DDI Version: 12
Feature Levels: 12_1,12_0,11_1,11_0,10_1,10_0,9_3,9_2,9_1
Driver Model: WDDM 2.2
(snip)
Card name: DisplayLink USB Device
Manufacturer: DisplayLink
(snip)
Driver Name: c:\windows\system32\drivers\umdf\dlidusb2.dll,c:\w indows\system32\drivers\wudfrd.sys
Driver File Version: 8.03.1905.0000 (English)
Driver Version: 8.3.1905.0
DDI Version: 12
Feature Levels: 12_1,12_0,11_1,11_0,10_1,10_0,9_3,9_2,9_1
Driver Model: WDDM 1.3
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