[Bug 73156] Dual onboard LCD (eDP1 and DP1) cannot turn on DP1 (no backlight), no backlight control but can see screen in reflected light

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73156

--- Comment #7 from Daiver <daiver at daiver.ru> ---
With option "i915.panel_ignore_lid=-2" on DP1 i see horizontal lines (snow).

intel_reg_dumper_both.txt - both LCD on and have X11 display (latest
intel_reg_dumper)

intel_reg_dumper_both_sleep.txt - go to sleep and back, DP1 is off

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