1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>vga_switcheroo_register_client</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="pubfunctions.html" title="Chapter 6. Public functions"><link rel="prev" href="API-vga-switcheroo-unregister-handler.html" title="vga_switcheroo_unregister_handler"><link rel="next" href="API-vga-switcheroo-register-audio-client.html" title="vga_switcheroo_register_audio_client"></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">vga_switcheroo_register_client</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-vga-switcheroo-unregister-handler.html">Prev</a> </td><th width="60%" align="center">Chapter 6. Public functions</th><td width="20%" align="right"> <a accesskey="n" href="API-vga-switcheroo-register-audio-client.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-vga-switcheroo-register-client"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>vga_switcheroo_register_client — 
2     register vga client
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">vga_switcheroo_register_client </b>(</code></td><td>struct pci_dev * <var class="pdparam">pdev</var>, </td></tr><tr><td> </td><td><a class="link" href="API-struct-vga-switcheroo-client-ops.html" title="struct vga_switcheroo_client_ops">const struct vga_switcheroo_client_ops</a> * <var class="pdparam">ops</var>, </td></tr><tr><td> </td><td>bool <var class="pdparam">driver_power_control</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer"> </div></div></div><div class="refsect1"><a name="id-1.5.4.4.5"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>pdev</code></em></span></dt><dd><p>
4     client pci device
5    </p></dd><dt><span class="term"><em class="parameter"><code>ops</code></em></span></dt><dd><p>
6     client callbacks
7    </p></dd><dt><span class="term"><em class="parameter"><code>driver_power_control</code></em></span></dt><dd><p>
8     whether power state is controlled by the driver's
9     runtime pm
10    </p></dd></dl></div></div><div class="refsect1"><a name="id-1.5.4.4.6"></a><h2>Description</h2><p>
11   Register vga client (GPU). Enable vga_switcheroo if another GPU and a
12   handler have already registered. The power state of the client is assumed
13   to be ON.
14</p></div><div class="refsect1"><a name="id-1.5.4.4.7"></a><h2>Return</h2><p>
15   0 on success, -ENOMEM on memory allocation error.
16</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="API-vga-switcheroo-unregister-handler.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="pubfunctions.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-vga-switcheroo-register-audio-client.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"><span class="phrase">vga_switcheroo_unregister_handler</span> </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">vga_switcheroo_register_audio_client</span></td></tr></table></div></body></html>
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