Messages in this thread | | | From | Hui Fang <> | Subject | RE: [PATCH] MA-21654 Use dma_alloc_pages in vb2_dma_sg_alloc_compacted | Date | Mon, 18 Sep 2023 07:07:13 +0000 |
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> On Thu, Sep 14, 2023 at 15:52 PM Fang Hui <hui.fang@nxp.com> wrote: > --- > Two things. > 1. For dma_data_direction para (DMA_BIDIRECTIONAL is used) of > dma_alloc_pages(), > maybe better pass from callers? In DeviceAsWebcam case, it's > DMA_TO_DEVICE. > > 2. "MA-21654" (NXP ticket number) should be removed in the comment, need > I re-push or it will be done on your side, thanks!
Another concern is that DMA memory is used up. Maybe first try allocating low buffer, if failed, fall back to high buffer.
BRs, Fang Hui
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