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CMA占用了8M,Kernel也占用了一些
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@yuzukitsuru 可以通过vnc登录到 ubuntu界面的,屏有背光,通过示波器看dclk hsync vync de 的波形频率 是与配置值是一样的,data脚也有方波输出。调试命令可以控制输出使能与去使能。