I cannot set the YCbCr colorspace for the HDMI output for Kernel 3.9.x Please see the thread from Arch Linux for a discussion of the problem : https://bbs.archlinux.org/viewtopic.php?id=165221 Also see the follow Arch Linux bug report : https://bugs.archlinux.org/task/35834
This is a feature request, we don't track those in bugzilla. Patches otoh highly welcome since this is definitely not a high-prio feature for us.