1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>intel_mark_fb_busy</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="ch04s02.html#idp1127883116" title="Frontbuffer Tracking"><link rel="prev" href="ch04s02.html" title="Display Hardware Handling"><link rel="next" href="API-intel-fb-obj-invalidate.html" title="intel_fb_obj_invalidate"></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_mark_fb_busy</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch04s02.html">Prev</a>&#160;</td><th width="60%" align="center">Frontbuffer Tracking</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-intel-fb-obj-invalidate.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-intel-mark-fb-busy"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>intel_mark_fb_busy &#8212; 
2  mark given planes as busy
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">intel_mark_fb_busy </b>(</code></td><td>struct drm_device * <var class="pdparam">dev</var>, </td></tr><tr><td>&#160;</td><td>unsigned <var class="pdparam">frontbuffer_bits</var>, </td></tr><tr><td>&#160;</td><td>struct intel_engine_cs * <var class="pdparam">ring</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1127892484"></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>frontbuffer_bits</code></em></span></dt><dd><p>
6     bits for the affected planes
7    </p></dd><dt><span class="term"><em class="parameter"><code>ring</code></em></span></dt><dd><p>
8     optional ring for asynchronous commands
9    </p></dd></dl></div></div><div class="refsect1"><a name="idp1127896108"></a><h2>Description</h2><p>
10   This function gets called every time the screen contents change. It can be
11   used to keep e.g. the update rate at the nominal refresh rate with DRRS.
12</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch04s02.html">Prev</a>&#160;</td><td width="20%" align="center"><a accesskey="u" href="ch04s02.html#idp1127883116">Up</a></td><td width="40%" align="right">&#160;<a accesskey="n" href="API-intel-fb-obj-invalidate.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Display Hardware Handling&#160;</td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top">&#160;<span class="phrase">intel_fb_obj_invalidate</span></td></tr></table></div></body></html>
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