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!
