Comment # 2
on bug 105083
from Vavooon
(In reply to denisgolovan from comment #0) > Hi > > Upgrading to 4.15.2 with amdgpu dc results in blinking of color temperature > when redshift application started. Kernel 4.13.13 worked fine. > > See https://github.com/jonls/redshift/issues/221#issuecomment-365376437 for > details Did you enable AMDGPU DC by changing kernel boot parameters? (In reply to Michel Dänzer from comment #1) > Please attach the output of dmesg captured while the problem is occurring, > preferably with amdgpu.dc_log=1 . I tried to capture some dmesg log, but booting with suggested kernel line amdgpu.dc_log=1 but no output was produced at flickering. Than I realized that I have to enable amdgpu.dc in order to use it's logging :) and the issue disappeared. So far after a hour I don't see any flickering anymore.
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