Merge branch 'perf/urgent' into perf/core

      services.

    </para>

    <para>

      The core of every DRM driver is struct drm_device.  Drivers

      will typically statically initialize a drm_device structure,

      The core of every DRM driver is struct drm_driver.  Drivers

      will typically statically initialize a drm_driver structure,

      then pass it to drm_init() at load time.

    </para>

    <title>Driver initialization</title>

    <para>

      Before calling the DRM initialization routines, the driver must

      first create and fill out a struct drm_device structure.

      first create and fill out a struct drm_driver structure.

    </para>

    <programlisting>

      static struct drm_driver driver = {