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| author | Harvey Yang <chenghaoyang@chromium.org> | 2024-11-21 05:51:31 +0000 |
|---|---|---|
| committer | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2024-11-28 16:44:08 +0000 |
| commit | 39482d59fe7160740ea5dd61f3ed965a88d848ce (patch) | |
| tree | bc6b51bf536d5c7b14f5e88ba7e1be975f1d04e6 /src/ipa/libipa/exposure_mode_helper.cpp | |
| parent | 562b6335d91fbebd5ab3122ea69a686cea7efa10 (diff) | |
DmaBufAllocator: Add Dma Buffer synchronization function & helper class
To synchronize CPU access with mmap and hardware access on DMA buffers,
using `DMA_BUF_IOCTL_SYNC` is required. This patch adds a function and
a helper class to allow users to sync buffers more easily.
Signed-off-by: Han-Lin Chen <hanlinchen@chromium.org>
Co-developed-by: Harvey Yang <chenghaoyang@chromium.org>
Signed-off-by: Harvey Yang <chenghaoyang@chromium.org>
Reviewed-by: Milan Zamazal <mzamazal@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/ipa/libipa/exposure_mode_helper.cpp')
0 files changed, 0 insertions, 0 deletions