zsj0613 发表于 2019-5-21 08:36:31

Android 8.1 EDP 调试

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 unprepare enable disable
read logo on state from dts
no fuel gauge found
Using display timing from compatible panel driver
Detailed mode clock 200000 kHz, flags
    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!


zsj0613 发表于 2019-5-22 18:48:39

搞定 收工

18580471512 发表于 2019-6-13 18:37:49

zsj0613 发表于 2019-5-22 18:48
搞定 收工

请问你是如何解决的呢？我出现的log跟你一样的问题

zsj0613 发表于 2019-6-13 18:49:29

18580471512 发表于 2019-6-13 18:37
请问你是如何解决的呢？我出现的log跟你一样的问题

我是硬件问题，把线序确定好就行，这个错误是因为AUX通信失败

18580471512 发表于 2019-6-17 11:18:12

zsj0613 发表于 2019-6-13 18:49
我是硬件问题，把线序确定好就行，这个错误是因为AUX通信失败

我吧我的LOG贴出来，我的是AUX通信失败线序上问题大吗

18580471512 发表于 2019-6-17 11:28:14

LOG

zsj0613 发表于 2019-6-18 11:39:59

18580471512 发表于 2019-6-17 11:28
LOG

哥们 想多不用想 你这个肯定是AUX通信失败，不管怎么样，先把这个解决，这个不属于软件问题，找硬件配合你一起看看吧
页: [1]
查看完整版本: Android 8.1 EDP 调试