https://bugzilla.kernel.org/show_bug.cgi?id=105051
--- Comment #3 from Alex Deucher <alexdeucher at gmail.com> --- (In reply to Robert Abraham from comment #2) > > it works perfectly fine on 4.0.x kernel though. The radeon backlight code hasn't really changed since it was added so presumably something else did. Can you bisect? Since this is a mac, it's possible the GPU driver does not actually control the backlight. Everything is a one off on macs. -- You are receiving this mail because: You are watching the assignee of the bug.
