1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>drm_put_dev</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="Linux GPU Driver Developer's Guide"><link rel="up" href="drmInternals.html#id-1.3.4.5.5" title="Device Instance and Driver Handling"><link rel="prev" href="drmInternals.html" title="Chapter 2. DRM Internals"><link rel="next" href="API-drm-dev-alloc.html" title="drm_dev_alloc"></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_put_dev</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="drmInternals.html">Prev</a> </td><th width="60%" align="center">Device Instance and Driver Handling</th><td width="20%" align="right"> <a accesskey="n" href="API-drm-dev-alloc.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-drm-put-dev"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>drm_put_dev — 2 Unregister and release a DRM device 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">void <b class="fsfunc">drm_put_dev </b>(</code></td><td>struct drm_device * <var class="pdparam">dev</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.3.4.5.5.8.5"></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></dl></div></div><div class="refsect1"><a name="id-1.3.4.5.5.8.6"></a><h2>Description</h2><p> 6 Called at module unload time or when a PCI device is unplugged. 7 </p><p> 8 9 Cleans up all DRM device, calling <code class="function">drm_lastclose</code>. 10</p></div><div class="refsect1"><a name="id-1.3.4.5.5.8.7"></a><h2>Note</h2><p> 11 Use of this function is deprecated. It will eventually go away 12 completely. Please use <code class="function"><a class="link" href="API-drm-dev-unregister.html" title="drm_dev_unregister">drm_dev_unregister</a></code> and <code class="function"><a class="link" href="API-drm-dev-unref.html" title="drm_dev_unref">drm_dev_unref</a></code> explicitly 13 instead to make sure that the device isn't userspace accessible any more 14 while teardown is in progress, ensuring that userspace can't access an 15 inconsistent state. 16</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="drmInternals.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="drmInternals.html#id-1.3.4.5.5">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-drm-dev-alloc.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 2. DRM Internals </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span class="phrase">drm_dev_alloc</span></td></tr></table></div></body></html> 17