jq_good
jq_good
2019-05-06 11:19

RK3288 Android7.1 MIPI屏幕调试问题

5
  • c语言
  • android

** 请注意这是Android 7.1 RK3288 平台。和Android6.0的平台完全不一样**

在调试edp和lvds时没有出现这种问题,单独调试RK3288 Android7.1 mipi
时问题出现。

  • 问题
  • 系统会去绑定edp,vop和vopl绑定失败。

  • log报错如下

    #Boot ver: 2019-05-05#2.36
    empty serial no.
    normal boot.
    checkKey
    vbus = 1
    no fuel gauge found
    no fuel gauge found
    Rockchip UBOOT DRM driver version: develop-v1.0.0
    failed to find phy driver
    delay prepare[0] unprepare[0] enable[0] disable[0]
    read logo on state from dts [1]
    no fuel gauge found
    Using display timing dts
    Detailed mode clock 158000 kHz, flags[a]
    H: 1920 1968 1972 2282
    V: 1080 1083 1087 1147
    bus_format: 100e
    pll_src = 0, dclk_hz = 158000000, dclk_div = 2
    AUX CH command reply failed!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    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!
    LT link start failed!
    eDP link training failed (-121)
    AUX CH command reply failed!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    analogix_dp_read_byte_from_dpcd: Aux Transaction fail!
    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!
    LT link start failed!
    eDP link training failed (-121)
    AUX CH command reply failed!
    
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