1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>i915_cmd_parser_init_ring</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux DRM Developer's Guide"><link rel="up" href="ch04s03.html#idp1128258212" title="Batchbuffer Parsing"><link rel="prev" href="ch04s03.html" title="Memory Management and Command Submission"><link rel="next" href="API-i915-cmd-parser-fini-ring.html" title="i915_cmd_parser_fini_ring"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">i915_cmd_parser_init_ring</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch04s03.html">Prev</a>&#160;</td><th width="60%" align="center">Batchbuffer Parsing</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-i915-cmd-parser-fini-ring.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-i915-cmd-parser-init-ring"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>i915_cmd_parser_init_ring &#8212; 
2  set cmd parser related fields for a ringbuffer
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">i915_cmd_parser_init_ring </b>(</code></td><td>struct intel_engine_cs * <var class="pdparam">ring</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1128268756"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>ring</code></em></span></dt><dd><p>
4     the ringbuffer to initialize
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1128270332"></a><h2>Description</h2><p>
6   Optionally initializes fields related to batch buffer command parsing in the
7   struct intel_engine_cs based on whether the platform requires software
8   command parsing.
9</p></div><div class="refsect1"><a name="idp1128271108"></a><h2>Return</h2><p>
10   non-zero if initialization fails
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