Hello, this used to work.
xcalib D6200MTX.icc After this it stopped working commit 20a34e78f0d71cab058a943b2e9601b97b761227 drm/i915: Update color management during vblank evasion. Color profile only take effect after the screen if back on. xcalib D6200MTX.icc xrandr --output eDP1 --off xrandr --output eDP1 --auto thanks Kui.Z
