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Does any member knows what is "enableGrpx" param ??

clive chou
Prodigy 40 points

Hello ,

    When I want  test  8168EVM  to do dual outputs (HDMI + vga)  , I found that there is a param frustrate me. >"<   Yep , It's "enableGrpx".

This param is in /DVRRDK_1.0X.XX.XX/dvr_rdk/mcfw/src_linux/mcfw_api/usecases/multich_vdec_vdis.c  

    the default is "enableGrpx = TRUE" , when I change it "enableGrpx = FALSE" and 8168EVM works!!!  8168EVM can do dual outputs!!

So, does any member knows what is "enableGrpx" param ??

    my drk version is 1.08.00.15

    Thanks a lot for help~~~~~  

  • 0
    TI__Expert 7765 points

    Hi,

    This enableGrpx was added to control graphics from M3 side, but now grpx is controlled from A8 based on USE_FBDEV in demo.h. 

    'enableGrpx' is not being used either in multich_vdec_vdis.c or in ti_vidis.c, ideally making it TRUE or FALSE should not affect the execution.

    Can you please send the error message when you have  "enableGrpx = TRUE" by default?

    Regards,

    Yogesh.

     

     

     

  • 0 in reply to Yogesh Marathe
    TI__Expert 7765 points

    Correction in last reply

    I meant 'gVdisModuleContext.grpxId' is not being used either in multich_vdec_vdis.c or in ti_vidis.c  Sorry for confusion.

    Regards,

    Yogesh.

     

  • 0 in reply to Yogesh Marathe
    Prodigy 40 points

       well......there are no error message

    when I turn the param to  "enableGrpx = TRUE" , I couldn't watch any output on my D-sub port screen.

    But  when I change the param to "enableGrpx = FALSE" , it works and the D-sub screen shows the same output as hdmi0.......I really want to know how does it happen~

    And whats the different between "enableGrpx = TRUE" and  "enableGrpx = FALSE"

    THX~~~~~~~~