1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>drm_edid_block_valid</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="ch02s05.html#idp1126417260" title="EDID Helper Functions Reference"><link rel="prev" href="API-drm-edid-header-is-valid.html" title="drm_edid_header_is_valid"><link rel="next" href="API-drm-edid-is-valid.html" title="drm_edid_is_valid"></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">drm_edid_block_valid</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-drm-edid-header-is-valid.html">Prev</a>&#160;</td><th width="60%" align="center">EDID Helper Functions Reference</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-drm-edid-is-valid.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-drm-edid-block-valid"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>drm_edid_block_valid &#8212; 
2     Sanity check the EDID block (base or extension)
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">bool <b class="fsfunc">drm_edid_block_valid </b>(</code></td><td>u8 * <var class="pdparam">raw_edid</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">block</var>, </td></tr><tr><td>&#160;</td><td>bool <var class="pdparam">print_bad_edid</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1126431228"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>raw_edid</code></em></span></dt><dd><p>
4     pointer to raw EDID block
5    </p></dd><dt><span class="term"><em class="parameter"><code>block</code></em></span></dt><dd><p>
6     type of block to validate (0 for base, extension otherwise)
7    </p></dd><dt><span class="term"><em class="parameter"><code>print_bad_edid</code></em></span></dt><dd><p>
8     if true, dump bad EDID blocks to the console
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1126434972"></a><h2>Description</h2><p>
10   Validate a base or extension EDID block and optionally dump bad blocks to
11   the console.
12</p></div><div class="refsect1"><a name="idp1126435668"></a><h2>Return</h2><p>
13   True if the block is valid, false otherwise.
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