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I am trying to find out whether it is possible to change the display on Nexus 4(WXGA) to 400x400 for designing application for wearables of any similar resolution.

Till now I have tried changing the video panel coordinates from 768x1280 to 400x400 in display driver file: mipi_lgit_video_wxga_pt.c. But only the display is changing to 400x400. Touchscreen is still mapped to the original resolution.

I am starting to doubt that whether this is possible or not with the display driver of Nexus 4.

Any help will be really appreciated.

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我认为这是不可能的,因为 MIPI 显示器使用的微控制器具有以非常特定的频率和数据带宽工作的数据通道。从界面上看,您无法控制您发送的数据如何被绘制到 LCD 上。

但是,您可以通过发送黑色像素作为填充物来“欺骗”驱动程序,但您可能需要修补显示 HAL 和框架,这并不容易,而且我不确定它是否会为您提供值得信赖的测试工具

作为替代方案,您可以尝试购买一些 R-PI 或类似产品并使用 HDMI 连接来获得您想要的分辨率。

于 2016-11-30T07:10:09.630 回答