1<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>intel_guc_ucode_load</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="ch04s04.html#id-1.4.3.6.2" title="GuC"><link rel="prev" href="re629.html" title="drivers/gpu/drm/i915/intel_guc_loader.c"><link rel="next" href="API-intel-guc-ucode-init.html" title="intel_guc_ucode_init"></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">intel_guc_ucode_load</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re629.html">Prev</a> </td><th width="60%" align="center">GuC</th><td width="20%" align="right"> <a accesskey="n" href="API-intel-guc-ucode-init.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-intel-guc-ucode-load"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>intel_guc_ucode_load — 2 load GuC uCode into the 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">int <b class="fsfunc">intel_guc_ucode_load </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-1.4.3.6.2.3.5"></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-1.4.3.6.2.3.6"></a><h2>Description</h2><p> 6 Called from <code class="function">gem_init_hw</code> during driver loading and also after a GPU reset. 7 </p><p> 8 9 The firmware image should have already been fetched into memory by the 10 earlier call to <code class="function"><a class="link" href="API-intel-guc-ucode-init.html" title="intel_guc_ucode_init">intel_guc_ucode_init</a></code>, so here we need only check that 11 is succeeded, and then transfer the image to the h/w. 12</p></div><div class="refsect1"><a name="id-1.4.3.6.2.3.7"></a><h2>Return</h2><p> 13 non-zero code on error 14</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="re629.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch04s04.html#id-1.4.3.6.2">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="API-intel-guc-ucode-init.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top"> 15 drivers/gpu/drm/i915/intel_guc_loader.c 16 </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">intel_guc_ucode_init</span></td></tr></table></div></body></html> 17