[Bug 111202] Intel_backlight fails to change eDP1 brightness on Dell Precision 5540 (Coffeelake)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=111202

--- Comment #7 from Arcadiy Ivanov <arcadiy at ivanov.biz> ---
Nope, I haven't. I could disable `i915.enable_dpcd_backlight=1` if you'd like
to try, and let you know if it helps things. 

Sorry, this machine is a primary workhorse, I just can't yank the drive back
and forth.

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