diff options
| author | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-17 20:22:10 +0300 |
|---|---|---|
| committer | Dmitry Osipenko <dmitry.osipenko@collabora.com> | 2022-10-18 01:21:37 +0300 |
| commit | 19d6634d8789573a9212ce78dbb4348ffd4f7f78 (patch) | |
| tree | f6f4534fbdb15bd7c739c22998e1cf0e96067d36 /include/linux/dma-buf.h | |
| parent | 56e5abba8c3ec5c6098007693f9cefafaa2aa010 (diff) | |
dma-buf: Add unlocked variant of attachment-mapping functions
Add unlocked variant of dma_buf_map/unmap_attachment() that will
be used 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/20221017172229.42269-3-dmitry.osipenko@collabora.com
Diffstat (limited to 'include/linux/dma-buf.h')
| -rw-r--r-- | include/linux/dma-buf.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index 8daa054dd7fe..f11b5bbc2f37 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -627,6 +627,12 @@ int dma_buf_begin_cpu_access(struct dma_buf *dma_buf, enum dma_data_direction dir); int dma_buf_end_cpu_access(struct dma_buf *dma_buf, enum dma_data_direction dir); +struct sg_table * +dma_buf_map_attachment_unlocked(struct dma_buf_attachment *attach, + enum dma_data_direction direction); +void dma_buf_unmap_attachment_unlocked(struct dma_buf_attachment *attach, + struct sg_table *sg_table, + enum dma_data_direction direction); int dma_buf_mmap(struct dma_buf *, struct vm_area_struct *, unsigned long); |