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<div class=" wh_topic_content body "><main role="main"><article class="- topic/topic concept/concept topic concept" 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.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">GE 配置</h1><div class="date inPage">17 Dec 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><section class="- topic/section section" id="ge_configuration__section_wcn_cyq_sdc" data-ofbid="ge_configuration__section_wcn_cyq_sdc"><h2 class="- topic/title title sectiontitle">内核配置</h2>
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<div class="- topic/p p" data-ofbid="d159238e27__20250121171616">GE 驱动依赖 BUF、CMA，需要提前打开。<ol class="- topic/ol ol" id="ge_configuration__ol_fyb_grz_c1c" data-ofbid="ge_configuration__ol_fyb_grz_c1c"><li class="- topic/li li" data-ofbid="d159238e30__20250121171616">打开 CMA<ol class="- topic/ol ol" type="a" id="ge_configuration__ol_xqn_lyq_sdc" data-ofbid="ge_configuration__ol_xqn_lyq_sdc"><li class="- topic/li li" data-ofbid="d159238e33__20250121171616">
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<div class="- topic/p p" data-ofbid="d159238e35__20250121171616">
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<div class="- topic/div div">
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<div class="- topic/p p" data-ofbid="d159238e39__20250121171616">在 SDK 根目录下，执行下列命令，进入 kernel
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的功能配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__codeblock_wg1_3ml_sdc" data-ofbid="ge_configuration__codeblock_wg1_3ml_sdc">make kernel-menuconfig</pre></div>
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<p class="- topic/p p" data-ofbid="d159238e44__20250121171616">或使用简写命令</p>
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<div class="- topic/p p" data-ofbid="d159238e47__20250121171616">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__codeblock_uss_hml_sdc" data-ofbid="ge_configuration__codeblock_uss_hml_sdc">make km</pre>
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</div>
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</div>
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</div>
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</li><li class="- topic/li li" data-ofbid="d159238e55__20250121171616">
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<div class="- topic/p p" data-ofbid="d159238e57__20250121171616">在内核配置界面，按如下选择：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__codeblock_gwk_hrz_c1c" data-ofbid="ge_configuration__codeblock_gwk_hrz_c1c">Linux
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Memory Management options
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[*] Contiguous Memory Allocator</pre></div>
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</li><li class="- topic/li li" data-ofbid="d159238e62__20250121171616">
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<div class="- topic/p p" data-ofbid="d159238e64__20250121171616">根据具体需求，配置 CMA 区域的大小，例如 16
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MB：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__codeblock_lgr_3rz_c1c" data-ofbid="ge_configuration__codeblock_lgr_3rz_c1c">Linux
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Library routines
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[*] DMA Contiguous Memory Allocator
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(<span class="hl-number">16</span>) Size in Mega Bytes</pre></div>
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</li></ol></li><li class="- topic/li li" data-ofbid="d159238e69__20250121171616">打开 DMA-BUF<ol class="- topic/ol ol" type="a" id="ge_configuration__ol_btb_3yq_sdc" data-ofbid="ge_configuration__ol_btb_3yq_sdc"><li class="- topic/li li" data-ofbid="d159238e72__20250121171616">
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<div class="- topic/div div">
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<div class="- topic/p p" data-ofbid="d159238e76__20250121171616">在 SDK 根目录下，执行下列命令，进入 kernel
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的功能配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__d790e27" data-ofbid="ge_configuration__d790e27">make kernel-menuconfig</pre></div>
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<p class="- topic/p p" data-ofbid="d159238e81__20250121171616">或使用简写命令</p>
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<div class="- topic/p p" data-ofbid="d159238e84__20250121171616">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__d790e35" data-ofbid="ge_configuration__d790e35">make km</pre>
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</div>
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</div>
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</li><li class="- topic/li li" data-ofbid="d159238e91__20250121171616">
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<div class="- topic/p p" data-ofbid="d159238e93__20250121171616">在内核配置界面，按如下选择，打开
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DMA-BUF：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__codeblock_rx1_krz_c1c" data-ofbid="ge_configuration__codeblock_rx1_krz_c1c">Linux
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Device Drivers
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DMABUF options
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[*] Explicit Synchronization Framework
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[*] Sync File Validation Framework
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[*] userspace dmabuf misc driver
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[*] DMA-BUF Userland Memory Heaps
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[*] DMA-BUF CMA Heap</pre></div>
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</li></ol></li><li class="- topic/li li" data-ofbid="d159238e102__20250121171616"><strong class="+ topic/ph hi-d/b ph b">打开 GE</strong><ol class="- topic/ol ol" type="a" id="ge_configuration__ol_i3h_nyq_sdc" data-ofbid="ge_configuration__ol_i3h_nyq_sdc"><li class="- topic/li li" data-ofbid="d159238e106__20250121171616">
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<div class="- topic/div div">
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<div class="- topic/p p" data-ofbid="d159238e110__20250121171616">在 SDK 根目录下，执行下列命令，进入 kernel
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的功能配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__d790e27" data-ofbid="ge_configuration__d790e27">make kernel-menuconfig</pre></div>
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<p class="- topic/p p" data-ofbid="d159238e115__20250121171616">或使用简写命令</p>
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<div class="- topic/p p" data-ofbid="d159238e118__20250121171616">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__d790e35" data-ofbid="ge_configuration__d790e35">make km</pre>
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</div>
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</div>
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</li><li class="- topic/li li" data-ofbid="d159238e125__20250121171616">在内核配置界面，按如下选择，配置 GE：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__codeblock_hs4_lrz_c1c" data-ofbid="ge_configuration__codeblock_hs4_lrz_c1c">Linux
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Device Drivers --->
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Graphics support --->
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ArtInChip Graphics --->
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<*> ArtInChip <span class="hl-number">2</span>D Graphics Engine
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select <span class="hl-number">2</span>D Graphics Engine Mode
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( ) CMD queue mode
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(X) normal mode</pre><div class="- topic/div div">
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<p class="- topic/p p" data-ofbid="d159238e134__20250121171616">在 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">Select 2D Graphics Engine Mode</span> 中，选择
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<span class="+ topic/ph ui-d/uicontrol ph uicontrol">CMD queue mode</span> 或者
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<span class="+ topic/ph ui-d/uicontrol ph uicontrol">normal mode</span> 中的一个，二者只能
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<code class="+ topic/ph pr-d/codeph ph codeph">二选一</code>。</p>
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<p class="- topic/p p" data-ofbid="d159238e149__20250121171616">其中 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">CMD queue mode</span>
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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></li></ol></li></ol></div>
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</section><section class="- topic/section section" id="ge_configuration__section_azr_pyq_sdc" data-ofbid="ge_configuration__section_azr_pyq_sdc"><h2 class="- topic/title title sectiontitle">DTS 参数配置</h2>
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<div class="- topic/p p" data-ofbid="d159238e164__20250121171616">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="ge_configuration__codeblock_zy5_nrz_c1c" data-ofbid="ge_configuration__codeblock_zy5_nrz_c1c">ge: ge@<span class="hl-number">18</span>b00000 {
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#address-cells = <<span class="hl-number">1</span>>;
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#size-cells = <<span class="hl-number">0</span>>;
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compatible = <span class="hl-string">"artinchip,aic-ge-v1.0"</span>;
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reg = <<span class="hl-number">0x0</span> <span class="hl-number">0x18b00000</span> <span class="hl-number">0x0</span> <span class="hl-number">0x1000</span>>;
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interrupts-extended = <&plic0 <span class="hl-number">60</span> IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cmu CLK_GE>;
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clock-names = <span class="hl-string">"ge"</span>;
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resets = <&rst RESET_GE>;
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reset-names = <span class="hl-string">"ge"</span>;
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};</pre>
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<div class=" wh_topic_toc "><div class="wh_topic_label">在本页上</div><ul><li class="section-item"><div class="section-title"><a href="#ge_configuration__section_wcn_cyq_sdc" data-tocid="ge_configuration__section_wcn_cyq_sdc">内核配置</a></div></li><li class="section-item"><div class="section-title"><a href="#ge_configuration__section_azr_pyq_sdc" data-tocid="ge_configuration__section_azr_pyq_sdc">DTS 参数配置</a></div></li></ul></div>
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