Arch Linux

Larivact

Wiki Maintainer

Registered: 2015-05-08

Posts: 1

GTX 650 & nvidia driver: RandR gamma only works after unplugging HDMI

I initially wanted to use redshift, but redshift just didn't change the screen temperature.
Since redshift uses RandR I then tried xrandr --output HDMI-0 --gamma 100:0:0
Again no error and no gamma change happened. By sheer luck I then unplugged the HDMI cable only to discover
that when I plugged it back in the gamma change suddenly was applied and changing it now suddenly works.

The thing now is that I don't want to have to unplug and plug in my HDMI cord every time it gets dark.
The Nouveau driver doesn't have this weirdness but I like my desktop without screen tearing.

I am using the latest nvidia 375.26-1 and nvidia-libgl 375.26-2.

lspci -k graphics card section:

01:00.0 VGA compatible controller: NVIDIA Corporation GK107 [GeForce GTX 650] (rev a1)
	Subsystem: ZOTAC International (MCO) Ltd. Device 2263
	Kernel driver in use: nvidia
	Kernel modules: nouveau, nvidia_drm, nvidia

Edit: Reported it to NVIDIA.

I appreciate any help.
Best regards,
Larivact

Last edited by Larivact (2017-01-23 17:54:30)