[Bug 75791] i915: backlight turns off during boot

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=75791

--- Comment #15 from mcy at lm7.fr ---
If you insist :-)

# hexdump /sys/kernel/debug/dri/0/i915_opregion 
# cp /sys/kernel/debug/dri/0/{i915_capabilities,i915_opregion} .
# ls -l i915_*
-r--r--r-- 1 root root 404 mai 14 09:32 i915_capabilities
-r--r--r-- 1 root root   0 mai 14 09:32 i915_opregion
# hexdump i915_opregion 
#

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