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| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-17 20:22:09 +0300 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-18 01:21:36 +0300 |
| commit | 56e5abba8c3ec5c6098007693f9cefafaa2aa010 (patch) | |
| tree | c07f8bb68248e22ecdfae35b518253fd161b986b /include/linux/dma-buf.h | |
| parent | f8ced2abe6df374cd6bbe7bc642397d439315033 (diff) | |
| download | linux-56e5abba8c3ec5c6098007693f9cefafaa2aa010.tar.xz | |
dma-buf: Add unlocked variant of vmapping functions
Add unlocked variant of dma_buf_vmap/vunmap() that will be utilized
by drivers that don't take the reservation lock explicitly.
Acked-by: Sumit Semwal <sumit.semwal@linaro.org>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221017172229.42269-2-dmitry.osipenko@collabora.com
Diffstat (limited to 'include/linux/dma-buf.h')
| -rw-r--r-- | include/linux/dma-buf.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 71731796c8c3..8daa054dd7fe 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -632,4 +632,6 @@ int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *, unsigned long); int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map); void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map); +int dma_buf_vmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map); +void dma_buf_vunmap_unlocked(struct dma_buf *dmabuf, struct iosys_map *map); #endif /* __DMA_BUF_H__ */ |