Work-around: disable GAMMA_LUT. That is, add something like this to your xorg.conf:
Section "Device" Identifier "modesetting" Driver "modesetting" Option "UseGammaLUT" "false" EndSection -- Jakub Wilk
Work-around: disable GAMMA_LUT. That is, add something like this to your xorg.conf:
Section "Device" Identifier "modesetting" Driver "modesetting" Option "UseGammaLUT" "false" EndSection -- Jakub Wilk