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Backlight</a></div></div></li><li role="treeitem"><div data-tocid="display_dts_parameter_display_interface-d4445e1874" class="topicref" data-id="display_dts_parameter_display_interface" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/display/display_parameter_display_interface.html" id="display_dts_parameter_display_interface-d4445e1874-link">Display Interface</a></div></div></li><li role="treeitem"><div data-tocid="display_dts_parameter_display_engine-d4445e1888" class="topicref" data-id="display_dts_parameter_display_engine" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/display/display_parameter_display_engine.html" id="display_dts_parameter_display_engine-d4445e1888-link">Display Engine</a></div></div></li><li role="treeitem"><div data-tocid="display_dts_parameter_display_fb0-d4445e1903" class="topicref" data-id="display_dts_parameter_display_fb0" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/display/display_parameter_display_fb0.html" id="display_dts_parameter_display_fb0-d4445e1903-link">Display FB0</a></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="wifi-d4445e1918" class="topicref" data-id="wifi" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action wifi-d4445e1918-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/wifi/wifi-debug-guide.html" id="wifi-d4445e1918-link">WiFi</a></div></div></li><li role="treeitem"><div data-tocid="concept_s4m_zk3_pzb-d4445e1946" class="topicref" data-id="concept_s4m_zk3_pzb" data-state="leaf"><span role="button" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/keyadc/device-keyboards-user-guide.html" id="concept_s4m_zk3_pzb-d4445e1946-link">按键矩阵</a><div class="wh-tooltip"><p class="shortdesc">此章节介绍按键矩阵的使用方法以及相关配置。</p></div></div></div></li></ul></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e1964" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e1964-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/bringup/chapter-bringup.html" id="id-d4445e1964-link">BringUp</a><div class="wh-tooltip"><p class="shortdesc">在硬件上电后快速初始化系统，为操作系统的启动准备好必要的硬件环境。</p></div></div></div></li><li role="treeitem" aria-expanded="false"><div data-tocid="id-d4445e2153" class="topicref" data-id="id" data-state="not-ready"><span role="button" tabindex="0" aria-labelledby="button-expand-action id-d4445e2153-link" class="wh-expand-btn"></span><div class="title"><a href="../../../topics/sdk/chapter-advanced-app.html" id="id-d4445e2153-link">高级应用</a><div class="wh-tooltip"><p class="shortdesc">系统、存储、多媒体、接口、安全等模块的详细配置和设计说明。</p></div></div></div></li></ul></div>
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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">
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<span class="edit-link" style="font-size:12px; opacity:0.6; text-align:right; vertical-align:middle"><a target="_blank" title="Edit this document" href="http://172.16.35.88/tasks/jdssno1uvvbf2mltu9kb9v3if05d5gopuakboe8hlud18rma/edit/F:/aicdita/aicdita-cn/topics/sdk/display/display_menuconfig.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1"><code class="+ topic/ph pr-d/codeph ph codeph">menuconfig</code> 配置</h1>
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<div class="date inPage">15 Jan 2024</div><div style="color: gray;">
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Read time: 2 minute(s)
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</div>
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<div class="- topic/body concept/conbody body conbody">
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<ol class="- topic/ol ol" id="display_menuconfig_configuration__ol_jvh_fqj_ndc" data-ofbid="display_menuconfig_configuration__ol_jvh_fqj_ndc">
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<li class="- topic/li li" data-ofbid="d41515e37__20250123155200">
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<div class="- topic/p p" data-ofbid="d41515e39__20250123155200">在 <span class="- topic/ph ph">Luban</span> 根目录下执行 <span class="+ topic/keyword sw-d/cmdname keyword cmdname">make linux-menuconfig</span>，进入 <span class="- topic/ph ph">kernel</span>
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的功能配置，使能显示模块驱动：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__codeblock_nyc_jvf_d1c" data-ofbid="display_menuconfig_configuration__codeblock_nyc_jvf_d1c"><code>Linux
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Device Drivers
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Graphics support
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ArtInChip Graphics --->
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<*> ArtInChip Framebuffer support</code></pre></div>
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</li>
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<li class="- topic/li li" data-ofbid="d41515e54__20250123155200">
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<p class="- topic/p p" data-ofbid="d41515e56__20250123155200">将显示接口编译进内核。</p>
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<p class="- topic/p p" data-ofbid="d41515e59__20250123155200">可以编译所有显示接口，但只有 panel 驱动对应的显示接口能生效。</p>
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<div class="- topic/p p" data-ofbid="d41515e62__20250123155200">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__codeblock_rcr_kvf_d1c" data-ofbid="display_menuconfig_configuration__codeblock_rcr_kvf_d1c"><code>Device Drivers
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Graphics support
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ArtInChip Graphics --->
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<*> ArtInChip Framebuffer support
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[*] ArtInChip display rgb support
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[*] ArtInChip display lvds support
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[*] ArtInChip display mipi-dsi support
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[*] ArtInChip display mipi-dbi support</code></pre>
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</div>
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</li>
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<li class="- topic/li li" id="display_menuconfig_configuration__li_enable_panel_drivers" data-ofbid="display_menuconfig_configuration__li_enable_panel_drivers">
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<div class="- topic/p p" data-ofbid="d41515e71__20250123155200">Panel
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依赖显示接口功能，需使能相关依赖：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__codeblock_drb_nvf_d1c" data-ofbid="display_menuconfig_configuration__codeblock_drb_nvf_d1c"><code>Device Drivers
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Graphics support
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||
ArtInChip Graphics --->
|
||
<*> ArtInChip Framebuffer support
|
||
<*> ArtInChip Panel Drivers (ArtInChip general RGB panel) ---></code></pre></div>
|
||
<p class="- topic/p p" data-ofbid="d41515e76__20250123155200"><span class="- topic/ph ph">Luban</span> SDK 不仅为 RGB/ LVDS 等显示接口提供了通用的 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">ArtInChip simple
|
||
panel</span> 驱动，也为部分屏驱 IC 提供专用 panel 驱动。</p>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d41515e85__20250123155200">
|
||
<p class="- topic/p p" data-ofbid="d41515e87__20250123155200">Panel 依赖 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">pwm-backlight</span> 功能，需分别使能 PWM 支持和背光。</p>
|
||
<div class="- topic/p p" data-ofbid="d41515e93__20250123155200">
|
||
<ul class="- topic/ul ul" id="display_menuconfig_configuration__ul_ixz_knn_f1c" data-ofbid="display_menuconfig_configuration__ul_ixz_knn_f1c">
|
||
<li class="- topic/li li" data-ofbid="d41515e97__20250123155200">
|
||
<div class="- topic/p p" data-ofbid="d41515e99__20250123155200">使能
|
||
PWM<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__pre_dt2_4vf_d1c" data-ofbid="display_menuconfig_configuration__pre_dt2_4vf_d1c"><code>Device Drivers
|
||
[*] Pulse-Width Modulation (PWM) Support --->
|
||
<*> ArtInChip PWM support
|
||
</code></pre></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d41515e105__20250123155200">
|
||
<div class="- topic/p p" data-ofbid="d41515e107__20250123155200">显示模块驱动使用 <span class="+ topic/ph ui-d/uicontrol ph uicontrol">pwm-backlight</span>
|
||
框架进行背光控制：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__pre_et2_4vf_d1c" data-ofbid="display_menuconfig_configuration__pre_et2_4vf_d1c"><code>Device Drivers
|
||
Graphics support
|
||
Backlight & LCD device support
|
||
<*> Lowlevel Backlight controls
|
||
<*> Generic PWM based Backlight Driver</code></pre></div>
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d41515e119__20250123155200">
|
||
<div class="- topic/p p" data-ofbid="d41515e121__20250123155200">显示模块驱动依赖 CMA 和 DMA-BUF 功能。<ol class="- topic/ol ol" type="a" id="display_menuconfig_configuration__ol_i2q_pvf_d1c" data-ofbid="display_menuconfig_configuration__ol_i2q_pvf_d1c">
|
||
<li class="- topic/li li" data-ofbid="d41515e125__20250123155200"><strong class="+ topic/ph hi-d/b ph b">配置 CMA</strong><ol class="- topic/ol ol" type="i" id="display_menuconfig_configuration__ol_etj_yqj_ndc" data-ofbid="display_menuconfig_configuration__ol_etj_yqj_ndc">
|
||
<li class="- topic/li li" data-ofbid="d41515e130__20250123155200">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/p p" data-ofbid="d41515e134__20250123155200">在 SDK 根目录下，执行下列命令，进入 kernel
|
||
的功能配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__codeblock_wg1_3ml_sdc" data-ofbid="display_menuconfig_configuration__codeblock_wg1_3ml_sdc"><code>make kernel-menuconfig</code></pre></div>
|
||
<p class="- topic/p p" data-ofbid="d41515e139__20250123155200">或使用简写命令</p>
|
||
<div class="- topic/p p" data-ofbid="d41515e142__20250123155200">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__codeblock_uss_hml_sdc" data-ofbid="display_menuconfig_configuration__codeblock_uss_hml_sdc"><code>make km</code></pre>
|
||
</div>
|
||
</div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d41515e150__20250123155200">
|
||
<div class="- topic/p p" data-ofbid="d41515e152__20250123155200">在内核配置界面，按如下选择使能
|
||
CMA：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__pre_tdm_qvf_d1c" data-ofbid="display_menuconfig_configuration__pre_tdm_qvf_d1c"><code>Linux
|
||
Memory Management options
|
||
[*] Contiguous Memory Allocator
|
||
</code></pre></div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d41515e158__20250123155200">
|
||
<div class="- topic/p p" data-ofbid="d41515e160__20250123155200">配置 CMA 内存区域的大小，在内核配置的另一个地方，以下配置为 12
|
||
MB：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__pre_udm_qvf_d1c" data-ofbid="display_menuconfig_configuration__pre_udm_qvf_d1c"><code>Linux
|
||
Library routines
|
||
[*] DMA Contiguous Memory Allocator
|
||
(<span class="hl-number">12</span>) Size in Mega Bytes
|
||
</code></pre></div>
|
||
<p class="- topic/p p" data-ofbid="d41515e165__20250123155200">CMA 内存区域无法随意设置大小，Size 需要 4 MB 对齐。</p>
|
||
<p class="- topic/p p" data-ofbid="d41515e168__20250123155200">Linux 启动时会对 CMA size 进行 4 MB 对齐，对齐操作与
|
||
<span class="+ topic/keyword pr-d/parmname keyword parmname">CONFIG_FORCE_MAX_ZONEORDER</span> 设置相关。在
|
||
ArtInChip 平台上，该配置为 11，意思为一次最大分配内存为 2<sup class="+ topic/ph hi-d/sup ph sup">10</sup> pages，即
|
||
4M。</p>
|
||
</li>
|
||
</ol></li>
|
||
<li class="- topic/li li" data-ofbid="d41515e179__20250123155200"><strong class="+ topic/ph hi-d/b ph b">使能 DMA-BUF</strong><ol class="- topic/ol ol" type="i" id="display_menuconfig_configuration__ol_fhl_byl_sdc" data-ofbid="display_menuconfig_configuration__ol_fhl_byl_sdc">
|
||
<li class="- topic/li li" data-ofbid="d41515e184__20250123155200">
|
||
<div class="- topic/div div">
|
||
<div class="- topic/p p" data-ofbid="d41515e188__20250123155200">在 SDK 根目录下，执行下列命令，进入 kernel
|
||
的功能配置界面：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__d605e37" data-ofbid="display_menuconfig_configuration__d605e37"><code>make kernel-menuconfig</code></pre></div>
|
||
<p class="- topic/p p" data-ofbid="d41515e193__20250123155200">或使用简写命令</p>
|
||
<div class="- topic/p p" data-ofbid="d41515e196__20250123155200">
|
||
<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__d605e45" data-ofbid="display_menuconfig_configuration__d605e45"><code>make km</code></pre>
|
||
</div>
|
||
</div>
|
||
</li>
|
||
<li class="- topic/li li" data-ofbid="d41515e204__20250123155200">
|
||
<div class="- topic/p p" data-ofbid="d41515e206__20250123155200">在内核配置配置，按如下选择，使能 DMA-BUF
|
||
功能：<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_menuconfig_configuration__pre_wdm_qvf_d1c" data-ofbid="display_menuconfig_configuration__pre_wdm_qvf_d1c"><code>Linux
|
||
Device Drivers
|
||
DMABUF options
|
||
[*] Explicit Synchronization Framework
|
||
[*] Sync File Validation Framework
|
||
[*] userspace dmabuf misc driver
|
||
[*] DMA-BUF Userland Memory Heaps
|
||
[*] DMA-BUF CMA Heap</code></pre></div>
|
||
</li>
|
||
</ol></li>
|
||
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|
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|
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|
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