drm/i915: use calculated state for vblank evasion
authorMaarten Lankhorst <maarten.lankhorst@linux.intel.com>
Mon, 1 Jun 2015 10:50:11 +0000 (12:50 +0200)
committerJani Nikula <jani.nikula@intel.com>
Fri, 12 Jun 2015 10:19:34 +0000 (13:19 +0300)
crtc->active will be gone eventually, and this check should be just as good.

Signed-off-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>

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