Dolby vision (Games) on HDMI 2.0 TV's possible?

The HDMI 2.0 won't affect the Dolby vision, right?

Can I still use the HDMI 2.1 in my TV or do I need to use the old 2.0 HDMI?

Hi o all to be honest is not impossible to do Dolby Vision on all the Xboxone and the reason is very simple. The real benefit of Dolby Vision is that it doesn't need the new HDMI 2.0 standard to work. 'Regular' HDR10 signals do need
HDMI 2.0, a standard that only the latest kit has. Because Dolby Vision can operate with HDMI 1.4, its potential applications are much greater, which is very good news. http://www.pocket-lint.com/news/140385-dolby-vision-is-now-available-as-a-software-update-to-upgrade-compatible-kit

Hi thanks I have played with this for sometime, There is a green check mark by ALLM. ALLM is supported by a 2.0. 2.1 hdmi only exception is no 60@120hz.

HDR10 is also has a green check without a 2.1 input there are no limitations as my input during game indicate HDR10 is working. I can do this by checking my inputrs throught TV settings (Auto select for 2.0 enables ALLM Feature on My TV). Dolby Vision for games does not work when ALLM is enabled.

Everything is green on 4K EXCEPT for 120hz because of the lack of 2.1 port. When I turn off ALLM through XBOX setting Dolby vision works.

Of course the Blu-Ray disks I'm using are UHD and have Dolby Vision.

Dolby Vision is enabled on Xbox One X settings, TV HDMI ports are in Enhanced mode (4:4:4 4K/UHD HDR 60Hz), and the TV test (that can be found inside Xbox menu) returns all green ticks for my Xbox-to-TV connection.

As said, Dolby Vision works with all streaming apps... but not when playing Blu-Ray UHD Dolby Vision disks.

Here’s my tv specs

https://www.lg.com/us/tvs/lg-65SJ9500-4k-uhd-tv

Active HDR10 and Dolby Vision. Using brand new premier hdmi cables from monoprice that support hdmi2.0 specs, which include 4K60 and both dolby vision and hdr