drm/i915: don't restore LVDS enable state blindly v2
We still rely on a few LVDS bits, but restoring the enable bit can cause trouble at this point, so don't. v2: use the right mask to prevent restore (Daniel) conditionalize on KMS support (Denial) Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org> Reviewed-by: NPaulo Zanoni <paulo.r.zanoni@intel.com> Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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