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DM385新老vpss.xem后有一个出现了播放白屏，显示i2c no ack 最可能是哪里出现了问题

user5960953
Prodigy 210 points

[m3vpss ] 2850: SYSTEM : FREE SPACE : System Heap = 1682768 B, Mbx = 10240 msgs)
[m3vpss ] 2850: SYSTEM : FREE SPACE : SR0 Heap = 15372416 B (14 MB)
[m3vpss ] 2851: SYSTEM : FREE SPACE : Frame Buffer = 105790336 B (100 MB)
[m3vpss ] 2851: SYSTEM : FREE SPACE : Bitstream Buffer = 61865856 B (58 MB)
[m3vpss ] 2851: SYSTEM : FREE SPACE : Tiler Buffer = 128 B (0 MB) - TILER OFF
[m3vpss ] 2982: SYSTEM : Initializing Links ... DONE !!!
[m3vpss ] Received character 't'
[c6xdsp ] Remote Debug Shared Memory @ 0xbff00000
[m3video] Remote Debug Shared Memory @ 0xbff05020
[m3vpss ] Remote Debug Shared Memory @ 0xbff0a040
[m3video] Received character 't'
rmmod: ERROR: Module osa_kermod is not currently loaded
[ 54.038696] DMA: Module install successful, device major num = 243
[ 54.045062] DRV: Module install successful
[ 54.049190] DRV: Module built on May 9 2017 16:47:43
[ 54.145611]
[ 54.145611] soc_is_dm38x
[ 54.217263] HDMI W1 rev 4.0
[ 54.220115] HDMI CEC Spec version 1.2
[ 54.592933] I2C No Ack

[ 54.595435] HDMI failed to read E-EDID

替换老的vpss.xem3后就能正常播放，是配置出现了问题，还是vpss里面的设置出现了问题？

  • 0
    TI__Guru*** 145283 points
    你好，

    建议你从两个M3代码的不同入手，看看可能导致问题的地方。
  • 0 回复 Chris Meng
    Prodigy 210 points
    找到原因了，没有打开pinmux的宏对m3的管脚进行复用设置，谢谢
  • 0 回复 user5960953
    Prodigy 110 points
    你好！我也遇到与你同样的问题了，请问你是怎样解决的哇，方便详细说一下吗？谢谢你
    [m3vpss ] 946: SYSTEM : FREE SPACE : System Heap = 1740984 B, Mbx = 10240 msgs)
    [m3vpss ] 946: SYSTEM : FREE SPACE : SR0 Heap = 15372416 B (14 MB)
    [m3vpss ] 946: SYSTEM : FREE SPACE : Frame Buffer = 105790336 B (100 MB)
    [m3vpss ] 947: SYSTEM : FREE SPACE : Bitstream Buffer = 61865856 B (58 MB)
    [m3vpss ] 947: SYSTEM : FREE SPACE : Tiler Buffer = 128 B (0 MB) - TILER OFF
    [m3vpss ] 1077: SYSTEM : Initializing Links ... DONE !!!
    [m3vpss ] Received character 't'
    [c6xdsp ] Remote Debug Shared Memory @ 0xbff00000
    [m3video] Remote Debug Shared Memory @ 0xbff05020
    [m3vpss ] Remote Debug Shared Memory @ 0xbff0a040
    [m3video] Received character 't'
    rmmod: ERROR: Module osa_kermod is not currently loaded
    [ 70.136222] DMA: Module install successful, device major num = 243
    [ 70.142598] DRV: Module install successful
    [ 70.146716] DRV: Module built on May 9 2017 16:47:43
    [ 70.244154]
    [ 70.244154] soc_is_dm38x
    [ 70.317043] HDMI W1 rev 4.0
    [ 70.319896] HDMI CEC Spec version 1.2
    [ 70.700166] I2C No Ack

    [ 70.702665] HDMI failed to read E-EDID

    [host]
    [host] ORG 0x46c00524: 0
    [host] NEW 0x46c00524: 2
    [host]
    [host] Application Start Completed
  • 0 回复 jie yang
    Prodigy 210 points
    找到CONFIG_PIN_MUX打开就好了，原来屏蔽掉的