HDMI color space problems are back with new 4.9.269 kernel


Color space problems with old Sony and Philips TV are back, I’m getting pink/greenish image screen. It started to occur with the latest kernel 4.9.269.

On previous version I was able to fix it with the following command added to autostart.sh, forcing the hdmi output to rgb:

echo “rgb,now” > /sys/class/amhdmitx/amhdmitx0/attr

The problem is that newer kernel doesn’t handle the “now” attribute (checked on github, commit seems to be missing in this version)

Tried using only “rgb” attribute but imagen keeps turning pink/greenish:

echo “rgb” > /sys/class/amhdmitx/amhdmitx0/attr

Any advice?.

The parameter now is not implemented yet. @cdu13a will take a look.

@Pachis Can you give this build a try. it should restore the missing functionality.


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