[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 #8 from Arcadiy Ivanov <arcadiy at ivanov.biz> ---
I can confirm that removing `i915.enable_dpcd_backlight=1` fixes the brightness
issue.

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