[media] v4l: Remove experimental tag from certain API elements

Remove experimantal tag from the following API elements:
V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY buffer type.
V4L2_CAP_VIDEO_OUTPUT_OVERLAY capability flag.
VIDIOC_ENUM_FRAMESIZES IOCTL.
VIDIOC_ENUM_FRAMEINTERVALS IOCTL.
VIDIOC_G_ENC_INDEX IOCTL.
VIDIOC_ENCODER_CMD and VIDIOC_TRY_ENCODER_CMD IOCTLs.
VIDIOC_DECODER_CMD and VIDIOC_TRY_DECODER_CMD IOCTLs.
Signed-off-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

Documentation/DocBook/media/v4l/compat.xml

@@ -2555,29 +2555,6 @@ and may change in the future.</para>
 	  <para>Video Output Overlay (OSD) Interface, <xref
 	    linkend="osd" />.</para>
         </listitem>
-	<listitem>
-	  <para><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant>,
-	&v4l2-buf-type;, <xref linkend="v4l2-buf-type" />.</para>
-        </listitem>
-        <listitem>
-	  <para><constant>V4L2_CAP_VIDEO_OUTPUT_OVERLAY</constant>,
-&VIDIOC-QUERYCAP; ioctl, <xref linkend="device-capabilities" />.</para>
-        </listitem>
-        <listitem>
-	  <para>&VIDIOC-ENUM-FRAMESIZES; and
-&VIDIOC-ENUM-FRAMEINTERVALS; ioctls.</para>
-        </listitem>
-        <listitem>
-	  <para>&VIDIOC-G-ENC-INDEX; ioctl.</para>
-        </listitem>
-        <listitem>
-	  <para>&VIDIOC-ENCODER-CMD; and &VIDIOC-TRY-ENCODER-CMD;
-ioctls.</para>
-        </listitem>
-        <listitem>
-	  <para>&VIDIOC-DECODER-CMD; and &VIDIOC-TRY-DECODER-CMD;
-ioctls.</para>
-        </listitem>
         <listitem>
 	  <para>&VIDIOC-DBG-G-REGISTER; and &VIDIOC-DBG-S-REGISTER;
 ioctls.</para>

Documentation/DocBook/media/v4l/dev-osd.xml

   <title>Video Output Overlay Interface</title>
   <subtitle>Also known as On-Screen Display (OSD)</subtitle>
 
-  <note>
-    <title>Experimental</title>
-
-    <para>This is an <link linkend="experimental">experimental</link>
-interface and may change in the future.</para>
-  </note>
-
   <para>Some video output devices can overlay a framebuffer image onto
 the outgoing video signal. Applications can set up such an overlay
 using this interface, which borrows structures and ioctls of the <link

Documentation/DocBook/media/v4l/io.xml

@@ -827,8 +827,7 @@ should set this to 0.</entry>
 	    <entry><constant>V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY</constant></entry>
 	    <entry>8</entry>
 	    <entry>Buffer for video output overlay (OSD), see <xref
-		linkend="osd" />. Status: <link
-linkend="experimental">Experimental</link>.</entry>
+		linkend="osd" />.</entry>
 	  </row>
 	  <row>
 	    <entry><constant>V4L2_BUF_TYPE_PRIVATE</constant></entry>

Documentation/DocBook/media/v4l/vidioc-decoder-cmd.xml

@@ -49,13 +49,6 @@
   <refsect1>
     <title>Description</title>
 
-    <note>
-      <title>Experimental</title>
-
-      <para>This is an <link linkend="experimental">experimental</link>
-interface and may change in the future.</para>
-    </note>
-
     <para>These ioctls control an audio/video (usually MPEG-) decoder.
 <constant>VIDIOC_DECODER_CMD</constant> sends a command to the
 decoder, <constant>VIDIOC_TRY_DECODER_CMD</constant> can be used to

Documentation/DocBook/media/v4l/vidioc-encoder-cmd.xml

@@ -49,13 +49,6 @@
   <refsect1>
     <title>Description</title>
 
-    <note>
-      <title>Experimental</title>
-
-      <para>This is an <link linkend="experimental">experimental</link>
-interface and may change in the future.</para>
-    </note>
-
     <para>These ioctls control an audio/video (usually MPEG-) encoder.
 <constant>VIDIOC_ENCODER_CMD</constant> sends a command to the
 encoder, <constant>VIDIOC_TRY_ENCODER_CMD</constant> can be used to

Documentation/DocBook/media/v4l/vidioc-enum-framesizes.xml

@@ -50,13 +50,6 @@ and pixel format and receives a frame width and height.</para>
   <refsect1>
     <title>Description</title>
 
-    <note>
-      <title>Experimental</title>
-
-      <para>This is an <link linkend="experimental">experimental</link>
-interface and may change in the future.</para>
-    </note>
-
     <para>This ioctl allows applications to enumerate all frame sizes
 (&ie; width and height in pixels) that the device supports for the
 given pixel format.</para>

Documentation/DocBook/media/v4l/vidioc-g-enc-index.xml

@@ -48,13 +48,6 @@
   <refsect1>
     <title>Description</title>
 
-    <note>
-      <title>Experimental</title>
-
-      <para>This is an <link linkend="experimental">experimental</link>
-interface and may change in the future.</para>
-    </note>
-
     <para>The <constant>VIDIOC_G_ENC_INDEX</constant> ioctl provides
 meta data about a compressed video stream the same or another
 application currently reads from the driver, which is useful for