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DS90UB954-Q1: Some suggestion about Screen flickering

Jerry Hu
Intellectual 1450 points
Part Number: DS90UB954-Q1

Tool/software:

Hi team

My customer is debugging DS90UB954-Q1 in CSI mode, and In the first few seconds of the picture, the screen flickers quite a lot.

They print the 0x4E of 954, it seems line length is  UNSTABLE

Now, the information maybe not very adequate, could you please give some suggestion about this problem, and we will continue checking, thanks!

log:

Slog2: Jan 01 00AIS.20515 on_-T_ais_server_t_-u_62:62,29,   15    415  read_lock_pass_status:967 ALWAYS read RX port 0 status 0 1 [0x62, 0x3, 0x45]

Slog2: Jan 01 00AIS.20515 on_-T_ais_server_t_-u_62:62,29,   15    415  read_lock_pass_status:967 ALWAYS read RX port 0 status 0 1 [0x6a, 0x1, 0xcd]

Slog2: Jan 01 00AIS.20515 on_-T_ais_server_t_-u_62:62,29,   15    415  read_lock_pass_status:971 ERR RX port 0: LINE LEN UNSTABLE

Slog2: Jan 01 00AIS.20515 on_-T_ais_server_t_-u_62:62,29,   15    415  read_lock_pass_status:967 ALWAYS read RX port 0 status 0 1 [0x6a, 0x3, 0x6d]

Slog2: Jan 01 00AIS.20515 on_-T_ais_server_t_-u_62:62,29,   15    415  read_lock_pass_status:967 ALWAYS read RX port 0 status 1 0 [0x1b, 0x10, 0x38]

  • 0
    TI__Genius 16230 points

    HI Jerry,

    Has the customer tried to use PATGEN from the Ser (I am assuming they are using a 953). If you send me the actual resolution, FPS, and datatype then I can send you the settings for the PatGen on the 953.  Then we can see if the errors still are happening. 

    Can we also get a good vs bad register dump?

    Glenn