63 lines
2.2 KiB
Text
Executable file
63 lines
2.2 KiB
Text
Executable file
# SPDX-License-Identifier: GPL-2.0
|
|
config DMABUF_SAMSUNG_HEAPS
|
|
tristate "DMA-BUF Userland Memory Heaps for Samsung"
|
|
select SAMSUNG_SECURE_IOVA
|
|
select DMABUF_CONTAINER
|
|
select DMABUF_HEAPS_PAGE_POOL
|
|
select DMABUF_HEAPS_DEFERRED_FREE
|
|
depends on DMABUF_HEAPS
|
|
help
|
|
Choose this option to enable the DMA-BUF userland memory heaps for samsung.
|
|
This options creates per heap chardevs in /dev/dma_heap/* which allows
|
|
userspace to allocate dma-bufs that can be shared between drivers.
|
|
|
|
config DMABUF_HEAPS_SAMSUNG_CHUNK
|
|
bool "DMA-BUF CHUNK Samsung Heap"
|
|
help
|
|
Choose this option to enable dma-buf CHUNK heap. This heap is backed
|
|
by the Contiguous Memory Allocator (CMA) and allocates the buffers that
|
|
are arranged into a list of fixed size chunks taken from CMA.
|
|
|
|
config DMABUF_HEAPS_SAMSUNG_CMA
|
|
bool "DMA-BUF CMA Samsung Heap"
|
|
depends on DMABUF_SAMSUNG_HEAPS
|
|
help
|
|
Choose this option to enable dma-buf CMA heap for samsung.
|
|
This heap is backed by the Contiguous Memory Allocator (CMA) and have own
|
|
cma region by dt binding.
|
|
|
|
config DMABUF_HEAPS_SAMSUNG_CARVEOUT
|
|
bool "DMA-BUF Carveout Samsung Heap"
|
|
depends on DMABUF_SAMSUNG_HEAPS
|
|
help
|
|
Choose this option to enable dma-buf Carveout heap for samsung.
|
|
This heap has own reserved region by dt binding.
|
|
|
|
config DMABUF_HEAPS_SAMSUNG_HPA
|
|
bool "DMA-BUF HPA Samsung Heap"
|
|
depends on DMABUF_HEAPS && HPA
|
|
help
|
|
Choose this option to enable dma-buf HPA heap for samsung.
|
|
This heap is backed by the High-order Pages Allocator (HPA).
|
|
If your system needs HPA for some reason, you should say Y here.
|
|
|
|
config DMABUF_HEAPS_SAMSUNG_SYSTEM
|
|
bool "DMA-BUF System Samsung Heap"
|
|
depends on DMABUF_SAMSUNG_HEAPS
|
|
help
|
|
Choose this option to enable dma-buf System heap for samsung.
|
|
|
|
config DMABUF_CONTAINER
|
|
tristate "Dma-buf container support"
|
|
depends on DMA_SHARED_BUFFER
|
|
help
|
|
dma-buf container is a dma-buf that can contain multiple different
|
|
dma-buf objects. It is useful when delivering a lot of dma-buf objects
|
|
between processes or user and kernel to reduce communication overhead.
|
|
|
|
config RBIN
|
|
bool "DMA-BUF RBIN Samsung Heap"
|
|
depends on DMABUF_SAMSUNG_HEAPS && CLEANCACHE
|
|
default y
|
|
help
|
|
Choose this option to enable dma-buf rbin heap for samsung.
|