drm/i915: Provide DPIO diagrams as docboox tables

The ascii art version of the DPIO diagram gets mangled by docbook, so
we can't use it there. Insted provide another version built using
<table>.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chon Ming Lee <chon.ming.lee@intel.com>
Reviewed-by: Damien Lespiau <damien.lespiau@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

Documentation/DocBook/drm.tmpl

@@ -2940,6 +2940,92 @@ int num_ioctls;</synopsis>
       <sect2>
         <title>DPIO</title>
 !Pdrivers/gpu/drm/i915/i915_reg.h DPIO
+	<table id="dpiox2">
+	  <title>Dual channel PHY (VLV/CHV)</title>
+	  <tgroup cols="8">
+	    <colspec colname="c0" />
+	    <colspec colname="c1" />
+	    <colspec colname="c2" />
+	    <colspec colname="c3" />
+	    <colspec colname="c4" />
+	    <colspec colname="c5" />
+	    <colspec colname="c6" />
+	    <colspec colname="c7" />
+	    <spanspec spanname="ch0" namest="c0" nameend="c3" />
+	    <spanspec spanname="ch1" namest="c4" nameend="c7" />
+	    <spanspec spanname="ch0pcs01" namest="c0" nameend="c1" />
+	    <spanspec spanname="ch0pcs23" namest="c2" nameend="c3" />
+	    <spanspec spanname="ch1pcs01" namest="c4" nameend="c5" />
+	    <spanspec spanname="ch1pcs23" namest="c6" nameend="c7" />
+	    <thead>
+	      <row>
+		<entry spanname="ch0">CH0</entry>
+		<entry spanname="ch1">CH1</entry>
+	      </row>
+	    </thead>
+	    <tbody valign="top" align="center">
+	      <row>
+		<entry spanname="ch0">CMN/PLL/REF</entry>
+		<entry spanname="ch1">CMN/PLL/REF</entry>
+	      </row>
+	      <row>
+		<entry spanname="ch0pcs01">PCS01</entry>
+		<entry spanname="ch0pcs23">PCS23</entry>
+		<entry spanname="ch1pcs01">PCS01</entry>
+		<entry spanname="ch1pcs23">PCS23</entry>
+	      </row>
+	      <row>
+		<entry>TX0</entry>
+		<entry>TX1</entry>
+		<entry>TX2</entry>
+		<entry>TX3</entry>
+		<entry>TX0</entry>
+		<entry>TX1</entry>
+		<entry>TX2</entry>
+		<entry>TX3</entry>
+	      </row>
+	      <row>
+		<entry spanname="ch0">DDI0</entry>
+		<entry spanname="ch1">DDI1</entry>
+	      </row>
+	    </tbody>
+	  </tgroup>
+	</table>
+	<table id="dpiox1">
+	  <title>Single channel PHY (CHV)</title>
+	  <tgroup cols="4">
+	    <colspec colname="c0" />
+	    <colspec colname="c1" />
+	    <colspec colname="c2" />
+	    <colspec colname="c3" />
+	    <spanspec spanname="ch0" namest="c0" nameend="c3" />
+	    <spanspec spanname="ch0pcs01" namest="c0" nameend="c1" />
+	    <spanspec spanname="ch0pcs23" namest="c2" nameend="c3" />
+	    <thead>
+	      <row>
+		<entry spanname="ch0">CH0</entry>
+	      </row>
+	    </thead>
+	    <tbody valign="top" align="center">
+	      <row>
+		<entry spanname="ch0">CMN/PLL/REF</entry>
+	      </row>
+	      <row>
+		<entry spanname="ch0pcs01">PCS01</entry>
+		<entry spanname="ch0pcs23">PCS23</entry>
+	      </row>
+	      <row>
+		<entry>TX0</entry>
+		<entry>TX1</entry>
+		<entry>TX2</entry>
+		<entry>TX3</entry>
+	      </row>
+	      <row>
+		<entry spanname="ch0">DDI2</entry>
+	      </row>
+	    </tbody>
+	  </tgroup>
+	</table>
       </sect2>
     </sect1>