DocBook/drm: Insert missing comma

	  object should be sizeof(struct ttm_mem_global), and the init and

	  release hooks should point at your driver specific init and

	  release routines, which probably eventually call

	  ttm_mem_global_init and ttm_mem_global_release respectively.

	  ttm_mem_global_init and ttm_mem_global_release, respectively.

	</para>

	<para>

	  Once your global TTM accounting structure is set up and initialized

      <sect3>

	<title>Output discovery and initialization</title>

	<para>

	  Several core functions exist to create CRTCs, encoders and

	  connectors, namely drm_crtc_init(), drm_connector_init() and

	  Several core functions exist to create CRTCs, encoders, and

	  connectors, namely drm_crtc_init(), drm_connector_init(), and

	  drm_encoder_init(), along with several "helper" functions to

	  perform common tasks.

	</para>

	  </para>

	</sect4>

	<para>

	  For each encoder, CRTC and connector, several functions must

	  For each encoder, CRTC, and connector, several functions must

	  be provided, depending on the object type.  Encoder objects

	  need to provide a DPMS (basically on/off) function, mode fixup

	  (for converting requested modes into native hardware timings),

    <title>Output management</title>

    <para>

      At the core of the DRM output management code is a set of

      structures representing CRTCs, encoders and connectors.

      structures representing CRTCs, encoders, and connectors.

    </para>

    <para>

      A CRTC is an abstraction representing a part of the chip that