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DS90UB949-Q1/948 显示数据概率性花屏问题



TI你好。项目中imx6 ds949/948实现副屏显示。遇到一个问题,imx6侧往HDMI Framebuffer写入数据,隔15分钟或者半小时,948端的屏幕会变花。最后,通过调整imx6 HDMI驱动中的framebuffer时序(跟948端屏时序要求一样)才解决。

请教,为什么HDMI显示数据的时序,会影响948端屏的显示?HDMI只是透传数据而已。