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Tearing issues with DM355

Sahil Aggarwal
Prodigy 80 points

I am working with Leopard Board 355(170 MHz) to display images on a screen added by a user via internet. While switching between images, tearing is observed. Half of the previous image remains when new image comes. Also later I am planning to add an option of showing videos also. Will switching over to DM365(300 MHz) be better or will this problem still sustain?

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    TI__Mastermind 19985 points

    Hi Sahil,

    I am not sure if moving from DM355 to DM365 alone would help. I feel the problem is because of the buffer management in the system. Looks like the buffer is consumed before the new image is fully available in that buffer. You might have to look at the synchronization logic. Are you seeing this tearing effect on the display? If yes, you should make the buffers ready for display before really queueing it in the display buffers.

    BTW, DM365 would surely help to get a faster system, which in turn might hide your issue also.

    Regards,

    Anshuman

    PS: Please mark the issue as closed, if you think it has answered your question. Thanks.