[Bug 101111] [Regression BDW] backlight flickering/display artifacting on Broadwell integrated graphics with 4.12-rc1

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=101111

--- Comment #18 from Jani Nikula <jani.nikula at intel.com> ---
(In reply to Mark Spencer from comment #17)
> If using OpRegion has no downsides, then in my opinion the patch is ready
> and issue fixed.

I'd prefer understanding what exactly in this change fixes the flickering
issues for you first.

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