Christian Marillat wrote: > In that bug, dispwin is unable to load an ICC profile if the nvidia xorg > driver is used (works with the nouveau driver) and this also works with > xcalib, so I don't know where the problem is exactly. As I understand it, the nvidia driver doesn't properly implement XRANDR. In particular, it fails to implement support for loading the VideoLUTs. Note that XRANDR doesn't have "capability" bits, and therefore isn't intended for partial implementation. Graeme Gill.