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Getting a 4K HDMI output on MCIMX8M-EVK

Question asked by Louis Ryan on Feb 17, 2018
Latest reply on Feb 28, 2018 by Louis Ryan

I was trying to get 4K hdmi output working with linux but I could not get it to work. ( 1920 x 1080 works fine )

 

For 1080p I used this for u-boot which works.

setenv mmcargs 'setenv bootargs console=${console} root=${mmcroot} video=HDMI-A-1:1920x1080-32@60'

 

 

I am using NXP i.MX Release Distro 4.9.51-mx8-beta

 

I have tried a few different options to get 4K to work but none work

setenv mmcargs 'setenv bootargs console=${console} root=${mmcroot} video=HDMI-A-1:3840x2160-32@60'
setenv mmcargs 'setenv bootargs console=${console} root=${mmcroot} video=HDMI-A-1:4096x2160-32@60'

setenv mmcargs 'setenv bootargs console=${console} root=${mmcroot} video=HDMI-A-1:3840x2160-32@30'
setenv mmcargs 'setenv bootargs console=${console} root=${mmcroot} video=HDMI-A-1:3840x2160-32@25'

 

I am using MCIMX8M-EVK part number 700-29615 REV A

 

And ideas?

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