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Commit 956db89e authored by Guangming Cao's avatar Guangming Cao
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BACKPORT: FROMLIST: dma-heap: Let dma heap use dma_map_attrs to map & unmap iova

For dma-heap users, they can't bypass cache sync when map/unmap iova
with dma heap. But they can do it by adding DMA_ATTR_SKIP_CPU_SYNC
into dma_alloc_attrs.

To keep alignment, at dma_heap side, also use
dma_buf_attachment.dma_map_attrs to do iova map & unmap.

This patch is a little different with linux patch, because ACK
has cached heap, and linux doesn't have it

Bug: 189986159
Link: https://lore.kernel.org/patchwork/patch/1455032/


Change-Id: I324712644688c29e55c9197efcde9283bbbd813b
Signed-off-by: default avatarGuangming Cao <Guangming.Cao@mediatek.com>
parent 749d6e7f
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