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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/display/display_parameter_display_fb0.dita">Edit online</a></span><h1 class="- topic/title title topictitle1" id="ariaid-title1">Display FB0</h1><div class="date inPage">4 Dec 2024</div><div style="color: gray;">
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Read time: 1 minute(s)
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</div><div class="- topic/body concept/conbody body conbody"><div class="- topic/p p" data-ofbid="d31622e22__20250121171515">
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<pre class="+ topic/pre pr-d/codeblock pre codeblock language-c" id="display_dts_parameter_display_fb0__codeblock_ugx_gyf_d1c" data-ofbid="display_dts_parameter_display_fb0__codeblock_ugx_gyf_d1c">&fb0 {
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artinchip,uboot-logo-on=<<span class="hl-number">1</span>>;
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rotation-degress = <<span class="hl-number">270</span>>;
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rotation-buf-num = <<span class="hl-number">2</span>>;
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height-virtual = <<span class="hl-number">2160</span>>;
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disp-bright = <<span class="hl-number">45</span>>;
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disp-contrast = <<span class="hl-number">50</span>>;
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disp-saturation = <<span class="hl-number">60</span>>;
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disp-hue = <<span class="hl-number">50</span>>;
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port {
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fb0_out: endpoint {
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remote-endpoint = <&de0_in>;
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};
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};
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};</pre>
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</div><div class="table-container"><table class="- topic/table table frame-all" id="display_dts_parameter_display_fb0__table_d4y_xys_ldc" data-ofbid="display_dts_parameter_display_fb0__table_d4y_xys_ldc" data-cols="3"><caption class="- topic/title title tablecap" data-caption-side="top" data-is-repeated="true"><span class="table--title-label">表<span class="table--title-label-number"> 1</span><span class="table--title-label-punctuation">. </span></span><span class="table--title">FB0 参数描述</span></caption><colgroup><col style="width:17.1875%"/><col style="width:67.18749999999999%"/><col style="width:15.625%"/></colgroup><thead class="- topic/thead thead"><tr class="- topic/row"><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">参数名称</th><th class="- topic/entry entry colsep-1 rowsep-1" id="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">描述</th><th class="- topic/entry entry colsep-0 rowsep-1" id="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__3">是否必需</th></tr></thead><tbody class="- topic/tbody tbody"><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">artinchip,uboot-logo-on</span></td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">是否保持 Uboot 阶段的 logo</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__3">Required</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">rotation-degress</span></td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e57__20250121171515">Framebuffer 旋转角度，在竖屏横用或横屏竖用时配置，支持 0°/90°/180°/270° 旋转。</p>
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</td><td class="- topic/entry entry colsep-0 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__3" rowspan="11">Optional</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">rotation-buf-num</span></td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e68__20250121171515">Framebuffer 中需要旋转的 buffer 个数。部分应用程序会使用双 buffer 来避免撕裂。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e74__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">width-virtual</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e80__20250121171515">Framebuffer 的内存宽度，缺省等于 width。用于配置双 buffer。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e86__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">height-virtual</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e92__20250121171515">Framebuffer 的内存高度，缺省等于 height。用于配置双 buffer。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e98__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">disp-bright</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e104__20250121171515">显示亮度，[0, 100], 缺省等于 50，50 表示不调节亮度。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e110__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">disp-contrast</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e116__20250121171515">显示对比度，[0, 100], 缺省等于 50，50 表示不调节对比度。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e122__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">disp-saturation</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e128__20250121171515">显示饱和度，[0, 100], 缺省等于 50，50 表示不调节饱和度。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e134__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">disp-hue</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e140__20250121171515">显示色调，[0, 100], 缺省等于 50，50 表示不调节色调。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e146__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">width</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e152__20250121171515">Display Engine 图像输出宽度，缺省等于 panel 子节点
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<span class="+ topic/keyword pr-d/parmname keyword parmname">display-timings</span> 中的
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<span class="+ topic/keyword pr-d/parmname keyword parmname">hactive</span> 属性。</p>
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<p class="- topic/p p" data-ofbid="d31622e161__20250121171515">预留节点，为 Display Engine 的缩放功能预留，一般不需要配置。</p>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">
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<p class="- topic/p p" data-ofbid="d31622e167__20250121171515"><span class="+ topic/keyword pr-d/parmname keyword parmname">height</span></p>
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</td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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<p class="- topic/p p" data-ofbid="d31622e173__20250121171515">Display Engine 图像输出高度，缺省等于 panel 子节点
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<span class="+ topic/keyword pr-d/parmname keyword parmname">display-timings</span> 中的
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<span class="+ topic/keyword pr-d/parmname keyword parmname">vactive</span> 属性。</p>
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<p class="- topic/p p" data-ofbid="d31622e182__20250121171515">预留节点，为 Display Engine 的缩放功能预留，一般不需要配置。</p>
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||
</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1"><span class="+ topic/keyword pr-d/parmname keyword parmname">format</span></td><td class="- topic/entry entry colsep-1 rowsep-1" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">
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||
<div class="- topic/p p" data-ofbid="d31622e192__20250121171515">Framebuffer 内存数据格式，string 型参数，缺省为 a8r8g8b8 ，表示 32 位
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||
ARGB8888 格式。显示驱动目前适配了以下几种常见格式：<div class="simpletable-container"><table class="- topic/simpletable simpletable frame-all" id="display_dts_parameter_display_fb0__table_ybk_fyf_d1c" data-ofbid="display_dts_parameter_display_fb0__table_ybk_fyf_d1c"><colgroup><col style="width:47.393364928909946%"/><col style="width:52.60663507109005%"/></colgroup><thead><tr class="- topic/sthead sthead"><th class="- topic/stentry stentry" scope="col" id="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__1">format</th><th class="- topic/stentry stentry" scope="col" id="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__2">strings</th></tr></thead><tbody><tr class="- topic/strow strow"><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__1">ARGB8888</td><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__2">“a8r8g8b8”</td></tr><tr class="- topic/strow strow"><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__1">ABGR8888</td><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__2">“a8b8g8r8”</td></tr><tr class="- topic/strow strow"><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__1">XRGB8888</td><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__2">“x8r8g8b8”</td></tr><tr class="- topic/strow strow"><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__1">RGB888</td><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__2">“r8g8b8”</td></tr><tr class="- topic/strow strow"><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__1">RGB565</td><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__2">“r5g6b5”</td></tr><tr class="- topic/strow strow"><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__1">ARGB1555</td><td class="- topic/stentry stentry" headers="display_dts_parameter_display_fb0__table_ybk_fyf_d1c__stentry__2">“a1r5g5b5”</td></tr></tbody></table></div></div>
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</td></tr><tr class="- topic/row"><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__1">port</td><td class="- topic/entry entry colsep-1 rowsep-0" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__2">数据输出端口，连接 Display Engine 结点。</td><td class="- topic/entry entry colsep-0 rowsep-0" headers="display_dts_parameter_display_fb0__table_d4y_xys_ldc__entry__3">Required</td></tr></tbody></table></div></div></article></main></div>
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</div>
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</div>
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</div>
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</div>
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<footer class="navbar navbar-default wh_footer">
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<div class=" footer-container mx-auto ">
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<title>footer def</title>
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<style><!--
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font-family: Arial, Helvetica, sans-serif;
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}
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.p3 {
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font-family: "Lucida Console", "Courier New", monospace;
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}
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--></style>
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|
||
|
||
|
||
|
||
|
||
|
||
|
||
<div class="webhelp.fragment.footer">
|
||
<p class="p1">Copyright © 2019-2024 广东匠芯创科技有限公司. All rights reserved.</p>
|
||
</div><div>
|
||
<div class="generation_time">
|
||
Update Time: 2025-01-21
|
||
</div>
|
||
</div>
|
||
</div>
|
||
</footer>
|
||
|
||
<div id="go2top" class="d-print-none">
|
||
<span class="oxy-icon oxy-icon-up"></span>
|
||
</div>
|
||
|
||
<div id="modal_img_large" class="modal">
|
||
<span class="close oxy-icon oxy-icon-remove"></span>
|
||
<div id="modal_img_container"></div>
|
||
<div id="caption"></div>
|
||
</div>
|
||
|
||
|
||
<script src="${pd}/publishing/publishing-styles-AIC-template/js/custom.js" defer="defer"></script>
|
||
|
||
|
||
</body>
|
||
</html> |