OrangePi_CM5/drivers/dma-buf/heaps
Guangming Cao 956db89e71 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: Guangming Cao <Guangming.Cao@mediatek.com>
2021-07-10 09:34:39 +00:00
..
Kconfig ANDROID: dma-heap: Make the page-pool/deferred-free libraries built-in 2021-04-06 19:54:18 +00:00
Makefile ANDROID: dma-buf: heaps: Add a shrinker controlled page pool 2021-02-09 23:47:40 +00:00
cma_heap.c BACKPORT: FROMLIST: dma-heap: Let dma heap use dma_map_attrs to map & unmap iova 2021-07-10 09:34:39 +00:00
deferred-free-helper.c ANDROID: dma-buf: heaps: export defer-free list size 2021-06-30 20:12:43 +00:00
deferred-free-helper.h ANDROID: dma-buf: heaps: export defer-free list size 2021-06-30 20:12:43 +00:00
page_pool.c ANDROID: dma-buf: heaps: fix a warning in dmabuf page pools 2021-02-17 01:30:57 +00:00
page_pool.h ANDROID: dma-buf: heaps: Add a shrinker controlled page pool 2021-02-09 23:47:40 +00:00
system_heap.c BACKPORT: FROMLIST: dma-heap: Let dma heap use dma_map_attrs to map & unmap iova 2021-07-10 09:34:39 +00:00