diff options
| author | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2023-11-23 23:32:05 +0100 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2023-12-07 08:31:14 +0100 |
| commit | 608ca5a60ee47b48fec210aeb7a795a64eb5dcee (patch) | |
| tree | f6ad0b11fe5bdb31437dff3d4e0c486370680371 /drivers/media/common | |
| parent | 357547b87673ca88455c40aafffeea161207a52a (diff) | |
media: videobuf2-dma-sg: fix vmap callback
For dmabuf import users to be able to use the vaddr from another
videobuf2-dma-sg source, the exporter needs to set a proper vaddr on
vb2_dma_sg_dmabuf_ops_vmap callback. This patch adds vmap on map if
buf->vaddr was not set.
Cc: stable@kernel.org
Fixes: 7938f4218168 ("dma-buf-map: Rename to iosys-map")
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Acked-by: Tomasz Figa <tfiga@chromium.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/common')
| -rw-r--r-- | drivers/media/common/videobuf2/videobuf2-dma-sg.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c index 28f3fdfe23a2..6975a71d740f 100644 --- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c +++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c @@ -487,9 +487,15 @@ vb2_dma_sg_dmabuf_ops_end_cpu_access(struct dma_buf *dbuf, static int vb2_dma_sg_dmabuf_ops_vmap(struct dma_buf *dbuf, struct iosys_map *map) { - struct vb2_dma_sg_buf *buf = dbuf->priv; + struct vb2_dma_sg_buf *buf; + void *vaddr; + + buf = dbuf->priv; + vaddr = vb2_dma_sg_vaddr(buf->vb, buf); + if (!vaddr) + return -EINVAL; - iosys_map_set_vaddr(map, buf->vaddr); + iosys_map_set_vaddr(map, vaddr); return 0; } |