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Android 8.1 EDP 调试
发表于 2019-5-21 08:36:31
浏览：7547
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回复：6
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楼主
各位朋友，现在使用AIO3399 调试一款10存1920*1200 LCD，EDP接口，参考网上资料，修改了DTS和驱动代码，编译的也是EDP的分支。现在LCD不显示（背光常亮），测试AUX无波形，请问还需要那些修改？ 部分启动log如下：
- ockchip UBOOT DRM driver version: develop-v1.0.0
- failed to find phy node
- delay prepare[0] unprepare[0] enable[0] disable[0]
- read logo on state from dts [1]
- no fuel gauge found
- Using display timing from compatible panel driver
- Detailed mode clock 200000 kHz, flags[a]
- H: 1536 1548 1564 1612
- V: 2048 2056 2060 2068
- bus_format: 1009
- rk lcdc - 0 dclk set: dclk = 200000000HZ, pll select = 1, div = 1
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- Rx Max Link Rate is abnormal :ff !
- AUX CH command reply failed!
- AUX CH command reply failed!
- LT link start failed!
- eDP link training failed (-110)
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- Rx Max Link Rate is abnormal :ff !
- AUX CH command reply failed!
- AUX CH command reply failed!
- LT link start failed!
- eDP link training failed (-110)
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- Rx Max Link Rate is abnormal :ff !
- AUX CH command reply failed!
- AUX CH command reply failed!
- LT link start failed!
- eDP link training failed (-110)
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- AUX CH command reply failed!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
- Rx Max Link Rate is abnormal :ff !
- AUX CH command reply failed!
- AUX CH command reply failed!
- LT link start failed!
- eDP link training failed (-110)
- AUX CH command reply failed!
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