Description of problem: After upgrading to kernel 4.16.3-200.fc27, from 4.15.17-300.fc27, the Gnome's night light flickers with mouse movement. Downgrading to 4.15.17 removes the flicker. Version-Release number of selected component (if applicable): Kernel 4.16.3-200.fc27 Steps to Reproduce: 1. Upgrade kernel to 4.16.3-200 2. Log into Gnome X11 session 3. Enable night light 4. Move the mouse pointer 5. Observe resetting the gamma to default and back Actual results: Screen flickers (resets gamma to default and immediately resets back to Night light's value) with each mouse movement. Expected results: Not flickering when moving mouse. Additional info: X11 Gnome Session (also Wayland session, but not with each mouse movement, only occasionally) AMDGPU-based graphics card (AMD Vega 64) xorg-x11-drv-amdgpu X11 driver
Hi Tomas, Thanks for the bug report! I've reassigned this to the driver component since that's how track video-related issues (even if the problem is in the kernel component).
Hi Jeremy, thanks for the info. The update to kernel 4.16.4-200.fc27 solves the problem with flickering with each mouse move. Now it flickers only when ramping up/down gamma at the beginning or end of the Nightlight plan (i.e., only occasionally, when the gamma is set to a different than the current value).
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