i915_perf_unregister 1472 drivers/gpu/drm/i915/i915_drv.c 	i915_perf_unregister(dev_priv);
i915_perf_unregister   20 drivers/gpu/drm/i915/i915_perf.h void i915_perf_unregister(struct drm_i915_private *i915);