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OMAP4 Display Resolutions

Brad Griffis
Guru*** 125430 points

What are the limitations to the resolutions we can support for the display?  In particular I was looking at the following use cases:

  1. DISPC2 (Parallel RGB): 1280x480 @ 60fps (i.e. double-wide VGA)
  2. HDMI: 1280x480 @ 60fps

Are the restrictions simply related to a max frame size and max pixel clock, or are there other gating factors related to being a multiple of something, etc.?

  • 0
    TI__Intellectual 1410 points

    Brad,

    As per TRM only RFBI interface is only capable of WVGA@30 fps. But LCD2 DSI and parallel interface supports SXGA@85 fps. HDMI supports 1080p@60fps as well. The use-cases are well within limits and they can be supported.

    I do not see any width or height restrictions on overlay input, manager input or interface output. They are all programmable parameters. Please mention if you have specific concerns while you have evaluated this.

    Regards,

    Chintan

  • 0 in reply to Chintan Patel
    TI__Guru*** 125430 points

    Thanks, Chintan.  I mainly wanted to be sure there wasn't something subtle in one of the many components of the DSS that would impose any other restrictions.