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class="wh-tooltip"><p class="shortdesc">SDMC、SPI NAND、SPI NOR<span class="ph"> 以及文件系统</span> 等存储模块的介绍和使用说明。</p></div></div></div></li><li role="treeitem" aria-expanded="true"><div data-tocid="concept_mcc_32s_nbc-d5856e3639" class="topicref" data-id="concept_mcc_32s_nbc" data-state="expanded"><span role="button" tabindex="0" aria-labelledby="button-collapse-action concept_mcc_32s_nbc-d5856e3639-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/chapter-title/chapter-multi-media-sdk.html" id="concept_mcc_32s_nbc-d5856e3639-link">多媒体</a><div class="wh-tooltip"><p class="shortdesc">GE、VE、Display、DVP、MPP、MPP 播放器等多媒体模块的介绍和使用说明。</p></div></div></div><ul role="group" class="navbar-nav nav-list"><li role="treeitem" aria-expanded="false"><div data-tocid="id-d5856e3654" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d5856e3654-link" class="wh-expand-btn"></span><div class="title"><a 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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic topic" role="article" aria-labelledby="ariaid-title1"><span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/ge/ge_config_lite.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">GE 配置</h1><div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
|
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</div><div class="- topic/body body"><section class="- topic/section section" id="id__section_rmd_hpf_fdc" data-ofbid="id__section_rmd_hpf_fdc"><h2 class="- topic/title title sectiontitle">驱动配置</h2>
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<div class="- topic/div div">
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<p class="- topic/p p" data-ofbid="d248853e26__20250121171702">通过 MPP 层可以 0 使用 GE，且 MPP 依赖 GE，因此需要配置 MPP。</p>
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<ol class="- topic/ol ol" id="id__ol_yvr_d1l_ndc" data-ofbid="id__ol_yvr_d1l_ndc"><li class="- topic/li li" data-ofbid="d248853e30__20250121171702">
|
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<div class="- topic/div div section" id="id__mpp">
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<strong class="+ topic/ph hi-d/b ph b">MPP 使能</strong>
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||
<div class="- topic/p p" data-ofbid="d248853e37__20250121171702">在 Luban-Lite 的根目录下通过 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">scons --menuconfig</span>，进入
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||
menuconfig
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||
的功能配置界面，按如下选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_mpq_gvy_2dc" data-ofbid="id__codeblock_mpq_gvy_2dc">Local packages options--->
|
||
ArtInChip packages options--->
|
||
[*]aic-mpp</pre></div><p class="- topic/p p" data-ofbid="d248853e45__20250121171702"><a xml:lang="zh-CN" lang="zh-CN" class="- topic/xref xref" href="../mpp/mpp_config.html#mpp_configuration__ref-luban-lite-mpp-mem-cfg">../mpp/mpp_config.html#mpp_configuration__ref-luban-lite-mpp-mem-cfg</a></p></div>
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</li><li class="- topic/li li" data-ofbid="d248853e49__20250121171702">
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<div class="- topic/div div section" id="id__ge">
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||
<strong class="+ topic/ph hi-d/b ph b">打开 GE</strong>
|
||
<div class="- topic/p p" data-ofbid="d248853e56__20250121171702">同上，进入 menuconfig
|
||
的功能配置界面，按如下选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="id__codeblock_kpj_jvy_2dc" data-ofbid="id__codeblock_kpj_jvy_2dc">Board options --->
|
||
[*] Using Graphics Engine (GE)
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||
Select Graphics Engine Mode (normal mode) --->
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||
(X) CMD queue mode
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||
( ) normal mode
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||
Graphics Engine Parameter --->
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||
[*] Dither function
|
||
(<span class="hl-number">2048</span>) CMDQ queue buffer</pre></div><ol class="- topic/ol ol arabic simple" type="a" id="id__ol_y5n_hvy_2dc" data-ofbid="id__ol_y5n_hvy_2dc"><li class="- topic/li li" data-ofbid="d248853e61__20250121171702">
|
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<div class="- topic/div div">
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<p class="- topic/p p" data-ofbid="d248853e65__20250121171702">在 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Select Graphics Engine Mode</span> 中，选择
|
||
<span class="+ topic/ph ui-d/uicontrol ph uicontrol">CMD queue mode</span> 或者 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">normal
|
||
mode</span> 中的一个，二者只能二选一。</p>
|
||
<p class="- topic/p p" data-ofbid="d248853e77__20250121171702">其中 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">CMD queue mode</span> 为命令队列模式，<span class="+ topic/ph ui-d/uicontrol ph uicontrol">normal
|
||
mode</span> 为非命令队列模式。</p>
|
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</div>
|
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</li><li class="- topic/li li" data-ofbid="d248853e87__20250121171702">
|
||
<p class="- topic/p p" data-ofbid="d248853e89__20250121171702">在 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Graphics Engine Parameter</span> 中选择
|
||
<span class="+ topic/ph ui-d/uicontrol ph uicontrol">Dither function</span>，表示开启 Dither。Dither 大概占
|
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16K 内存。</p>
|
||
</li><li class="- topic/li li" data-ofbid="d248853e98__20250121171702">
|
||
<p class="- topic/p p" data-ofbid="d248853e100__20250121171702">分配 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">CMDQ queue buffer</span> 大小，分配内存越大，可缓存越多的命令。</p>
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