With nvidia linux driver 364.12 I got this dispwin outputs this error:
dispwin -v -d1 profile.icc
About to open dispwin object on the display
Argyll 'V1.8.3' Build 'Linux 64 bit' System 'Linux #1 ZEN SMP PREEMPT
Tue Mar 15 18:33:17 UTC 2016 4.5.0-1-zen x86_64'
Dispwin: Error - We don't have access to the VideoLUT for loading
I contacted nvidia via their forums and got a response from one of
nvidia's employees:
https://devtalk.nvidia.com/default/topic/925981/linux/364-12-gtx-660-ca
n-t-access-videolut-to-load-display-profile/post/4841141/#4841141
"The assumption that the gamma ramp size matches 1 << depth is no
longer true now that the 1,024-entry gamma ramp hardware is exposed
directly to applications."
Best regards
