drm/i915: capture the correct cursor registers on IVB
This solves some "unclaimed register" messages when there's a GPU hang on Haswell. Signed-off-by: NPaulo Zanoni <paulo.r.zanoni@intel.com> Reviewed-by: NBen Widawsky <ben@bwidawsk.net> [danvet: Add missing IS_VLV check as spotted by Ville Syrjälä.] Signed-off-by: NDaniel Vetter <daniel.vetter@ffwll.ch>
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