drm/i915: pnv has a backlight polarity control bit, too

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We already correctly ignore bit0 on gen < 4, now we also know why ;-)
I've decided that losing that single bit of precision isn't worth the
trouble to sprinkle IS_PINEVIEW checks all over the backlight control
code - that code is way too fragile imo.

Reviewed-by: Eugeni Dodonov <eugeni.dodonov@intel.com>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

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Daniel Vetter 2012-06-05 10:07:08 +02:00

parent afba018898

commit 534b5a5341

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drivers/gpu/drm/i915/i915_reg.h

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