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Old 10-19-2017, 08:39 PM   #1
i2000s
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Default 1.4 not working with RedShift for nightmode on secondary monitor

Sorry, I am reporting from Windows but the issue happened on my Ubuntu 16.04.3. The night mode gamma doesn't apply to the external monitor connected with the DisplayLink USB 3.0 dock.

I tried

$xgamma -gamma 0.5
-> Red 1.000, Green 1.000, Blue 1.000
<- Red 0.500, Green 0.500, Blue 0.500

It seems it's a driver problem. Applying "xrandr --output DP-3 --gamma 0.5:0.5:0.5" doesn't change anything for the external monitor. I don't have the log file at hand, but if anyone else encountered this issue, please provide a log file. Thanks!
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Old 10-20-2017, 08:13 AM   #2
mlukaszek
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Gamma correction is currently not supported by our Linux drivers. Also note that DP-0 can't be a DisplayLink output, as it normally always shows up as DVI, regardless of the actual connector used on the docking station.

Cheers,
Michal
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Old 10-24-2017, 08:22 AM   #3
i2000s
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Quote:
Originally Posted by mlukaszek View Post
Gamma correction is currently not supported by our Linux drivers. Also note that DP-0 can't be a DisplayLink output, as it normally always shows up as DVI, regardless of the actual connector used on the docking station.

Cheers,
Michal
Any word on supporting the gamma setting for external display? I wish this feature can be implemented in the next release
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Old 03-01-2018, 06:34 PM   #4
bennebartsch
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please fix this!
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Old 10-20-2020, 08:30 PM   #5
n1n4
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Unhappy when do we get gamma correction in linux?

Quote:
Originally Posted by mlukaszek View Post
Gamma correction is currently not supported by our Linux drivers.
Three years have passed.

When we do we get gamma correction?
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Old 10-26-2020, 08:44 AM   #6
julpec
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+1
yes, please !!!
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Old 10-27-2020, 07:33 AM   #7
Jan Hubený
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Default +1

yes please
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