RE: [EXT] Re: [PATCH] media: videobuf2-dma-sg: limit the sg segment size

From: Hui Fang
Date: Wed Sep 13 2023 - 05:15:32 EST


On Tue, Sep 12, 2023 at 16:52 PM Tomasz Figa <tfiga@xxxxxxxxxxxx> wrote:
> Right. You may want to try modifying vb2_dma_sg_alloc_compacted() to use
> dma_alloc_pages() instead of alloc_pages().

Thanks for your suggestion, it works. And it's a better resolution since no need
an extra copy from high buffer to low buffer.

BRs,
Fang Hui