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Ville Syrjälä authored
Optimize the multi-register read in i915_get_vblank_counter() a little bit by grabbing the uncore lock manually and using I915_READ_FW(). Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Link: http://patchwork.freedesktop.org/patch/msgid/20170309154434.29303-2-ville.syrjala@linux.intel.comReviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
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