[Bug 66516] [845g regression] No output on LVDS

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66516

--- Comment #12 from Chris Wilson <chris at chris-wilson.co.uk> ---
Doing a full save/restore across suspend isn't enough. (I was hoping that
preserving the backlight register even if we can't understand them would be
sufficient.) Not even poking 0xff into the PCI backlight control word.

So not backlight, and not a difference in final registers... Even a missing
register or incorrect sequence.

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