i915_query_ioctl 2855 drivers/gpu/drm/i915/i915_drv.c 	DRM_IOCTL_DEF_DRV(I915_QUERY, i915_query_ioctl, DRM_RENDER_ALLOW),
i915_query_ioctl   13 drivers/gpu/drm/i915/i915_query.h int i915_query_ioctl(struct drm_device *dev, void *data, struct drm_file *file);