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TDA4VM-Q1: How to enable or disable GPU FBCDC ?

Fredy Zhang
Expert 5200 points

Part Number: TDA4VM-Q1

Dear expert, 

Need your help to check how to enable or disable the GPU FBCDC ? Thanks. 

Regards,

Fredy Zhang

  • +1
    TI__Mastermind 36307 points

    Hello Fredy,

    Framebuffer Compression / Decompression is enabled by default in the GPU driver. You can disable it by using the AppHint "DisableFBCDC" as an AppHint.

    To apply AppHints to the driver, you can create a file called /etc/powervr.ini. If you want the selection to apply to all applications you run, you can place it under the default section, otherwise you can create a section for the particular app you are running. Please see below for an example on how to set the apphint:

    /etc/powervr.ini:

    [default]
DisableFBCDC=1

[gles2test1]
DisableFBCDC=0

    In this example, we disable FBCDC for all applications except for gles2test1.

    Please let me know if you have further questions.

    Regards,

    Erick