Arch Linux

Hector

Member

Registered: 2012-09-18

Posts: 16

4k at 60hz

Hi I just update kernel to 4.1.1. Can I expect displayport mst to work out of box on amd radeon hardware? I have panasonic tv that support 4k at 60hz and I can only choose 30hz.

Last edited by Hector (2015-07-07 14:46:15)

karol

Archivist

Registered: 2009-05-06

Posts: 25,440

Re: 4k at 60hz

What drivers are you using?

Hector

Member

Registered: 2012-09-18

Posts: 16

Re: 4k at 60hz

current mesa

Head_on_a_Stick

Member

From: The Wirral

Registered: 2014-02-20

Posts: 9,003

Website

Re: 4k at 60hz

I have panasonic tv that support 4k at 60hz and I can only choose 30hz.

https://wiki.archlinux.org/index.php/Xr … esolutions

---

Jin, Jîyan, Azadî

Tom B

Member

Registered: 2014-01-15

Posts: 187

Website

Re: 4k at 60hz

What GPU are you using? You need one with DisplayPort 1.2 for 4k, with DP1.1 or 1.0 you can only get 30hz.

Hector

Member

Registered: 2012-09-18

Posts: 16

Re: 4k at 60hz

Amd radeon r9 x280 so it's support 4k/60hz (on windows it works)

xeekei

Member

From: Sweden

Registered: 2012-12-06

Posts: 47

Re: 4k at 60hz

It's supposed to work.

http://www.phoronix.com/scan.php?page=n … eon-DP-MST

Last edited by xeekei (2015-07-09 12:47:34)