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AM3352 uboot阶段显示图片抖动 进入内核之后不抖动



问题如题目,这种情况是什么问题导致的,有点不明白,整个uboot阶段屏幕都是微微抖动的状态,有时候上电有这种现象。

如果是lcd时序不对,不应该是整个启动都会抖这样.. 只是uboot阶段抖太奇怪了;

uboot阶段换了几种时钟频率现象是一样的。