1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>__drm_modeset_lock_all</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="drm-kms-init.html#idp1124843020" title="KMS Locking"><link rel="prev" href="API-drm-modeset-is-locked.html" title="drm_modeset_is_locked"><link rel="next" href="API-drm-modeset-lock-all.html" title="drm_modeset_lock_all"></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_modeset_lock_all</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-drm-modeset-is-locked.html">Prev</a>&#160;</td><th width="60%" align="center">KMS Locking</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-drm-modeset-lock-all.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API---drm-modeset-lock-all"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>__drm_modeset_lock_all &#8212; 
2  internal helper to grab all modeset locks
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">__drm_modeset_lock_all </b>(</code></td><td>struct drm_device * <var class="pdparam">dev</var>, </td></tr><tr><td>&#160;</td><td>bool <var class="pdparam">trylock</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124879404"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>dev</code></em></span></dt><dd><p>
4     DRM device
5    </p></dd><dt><span class="term"><em class="parameter"><code>trylock</code></em></span></dt><dd><p>
6     trylock mode for atomic contexts
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1124881980"></a><h2>Description</h2><p>
8   This is a special version of <code class="function">drm_modeset_lock_all</code> which can also be used in
9   atomic contexts. Then <em class="parameter"><code>trylock</code></em> must be set to true.
10</p></div><div class="refsect1"><a name="idp1124883412"></a><h2>Returns</h2><p>
11   0 on success or negative error code on failure.
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