[RAMEN9610-12270] media/vb2-dma-sg: add IOMMU_UNCACHED memops flag
VB2_DMA_SG_MEMFLAG_IOMMU_UNCACHED is introduced to prevent configuring
IOMMU_CACHE to iovmm_map() and ion_iovmm_map() which force shareable
mapping to the page table of the client device.
It is required by some shareable devices(devices with I/O Cache
coherency) which does not want to create shareable mappings for some
buffers.
Change-Id: Ic0c380a35cb6044d8d92500716081d45535965fe
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>
projects / GitHub / LineageOS / android_kernel_motorola_exynos9610.git / commit