1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>drm_mode_crtc_set_gamma_size</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#idp1123898740" title="KMS API Functions"><link rel="prev" href="API-drm-mode-connector-attach-encoder.html" title="drm_mode_connector_attach_encoder"><link rel="next" href="API-drm-mode-config-reset.html" title="drm_mode_config_reset"></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_mode_crtc_set_gamma_size</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-drm-mode-connector-attach-encoder.html">Prev</a>&#160;</td><th width="60%" align="center">KMS API Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-drm-mode-config-reset.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-drm-mode-crtc-set-gamma-size"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>drm_mode_crtc_set_gamma_size &#8212; 
2     set the gamma table size
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_mode_crtc_set_gamma_size </b>(</code></td><td>struct drm_crtc * <var class="pdparam">crtc</var>, </td></tr><tr><td>&#160;</td><td>int <var class="pdparam">gamma_size</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1124442092"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>crtc</code></em></span></dt><dd><p>
4     CRTC to set the gamma table size for
5    </p></dd><dt><span class="term"><em class="parameter"><code>gamma_size</code></em></span></dt><dd><p>
6     size of the gamma table
7    </p></dd></dl></div></div><div class="refsect1"><a name="idp1124444748"></a><h2>Description</h2><p>
8   Drivers which support gamma tables should set this to the supported gamma
9   table size when initializing the CRTC. Currently the drm core only supports a
10   fixed gamma table size.
11</p></div><div class="refsect1"><a name="idp1124445532"></a><h2>Returns</h2><p>
12   Zero on success, negative errno on failure.
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