doc: update modetest.md (#518)
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@ -7,13 +7,13 @@ DRM/KMS驱动程序libdrm中的模式测试工具
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`modetest` 是一个用于测试和验证 DRM(Direct Rendering Manager)驱动程序功能的命令行工具。
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**安装**
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### 安装
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**源码**:[Mesa / drm · GitLab](https://gitlab.freedesktop.org/mesa/drm)
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- **源码**:[Mesa / drm · GitLab](https://gitlab.freedesktop.org/mesa/drm)
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- **下载**:[Index of /libdrm (dri.freedesktop.org)](https://dri.freedesktop.org/libdrm/)
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**下载**:[Index of /libdrm (dri.freedesktop.org)](https://dri.freedesktop.org/libdrm/)
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__编译__
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**编译**
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```shell
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./configure --prefix=/opt/ --host=aarch64-linux-gnu
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make && make install
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@ -21,8 +21,7 @@ make && make install
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make distclean
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```
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**参考**:[libdrm调试准备 - 简书](https://www.jianshu.com/p/a9152ca3e7ab)
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__参考__:[libdrm调试准备 - 简书](https://www.jianshu.com/p/a9152ca3e7ab)
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### 语法
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@ -73,7 +72,8 @@ modetest [选项]
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### 实例
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使用modetest查看相关信息
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使用 `modetest` 查看相关信息
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```shell
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~# modetest
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Encoders: # 省略了好多好多
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@ -114,7 +114,7 @@ id crtc fb CRTC x,y x,y gamma size possible crtcs
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------
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根据以上信息在MIPI-DSI显示设备上使用Rockchip显卡驱动测试
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根据以上信息在 `MIPI-DSI` 显示设备上使用 `Rockchip` 显卡驱动测试
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```shell
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~# modetest -M rockchip -s 211@108:1200x1920 -v
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@ -129,7 +129,7 @@ freq: 59.87Hz
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freq: 59.87Hz
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```
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在MIPI屏幕上将会看到闪烁的彩色块。
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在 `MIPI` 屏幕上将会看到闪烁的彩色块。
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------
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@ -139,6 +139,6 @@ setting mode 1200x1920-60Hz@XR24 on connectors 211, crtc 108
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starting cursor
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```
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在MIPI屏幕上将会看到静止的彩色块。
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在 `MIPI` 屏幕上将会看到静止的彩色块。
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