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path: root/drivers/media/common/videobuf2/videobuf2-dma-sg.c
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Diffstat (limited to 'drivers/media/common/videobuf2/videobuf2-dma-sg.c')
-rw-r--r--drivers/media/common/videobuf2/videobuf2-dma-sg.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index 0a40e00f0d7e..c51170e9c1b9 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -300,14 +300,18 @@ static void vb2_dma_sg_put_userptr(void *buf_priv)
static void *vb2_dma_sg_vaddr(void *buf_priv)
{
struct vb2_dma_sg_buf *buf = buf_priv;
+ struct dma_buf_map map;
+ int ret;
BUG_ON(!buf);
if (!buf->vaddr) {
- if (buf->db_attach)
- buf->vaddr = dma_buf_vmap(buf->db_attach->dmabuf);
- else
+ if (buf->db_attach) {
+ ret = dma_buf_vmap(buf->db_attach->dmabuf, &map);
+ buf->vaddr = ret ? NULL : map.vaddr;
+ } else {
buf->vaddr = vm_map_ram(buf->pages, buf->num_pages, -1);
+ }
}
/* add offset in case userptr is not page-aligned */
@@ -489,11 +493,13 @@ vb2_dma_sg_dmabuf_ops_end_cpu_access(struct dma_buf *dbuf,
return 0;
}
-static void *vb2_dma_sg_dmabuf_ops_vmap(struct dma_buf *dbuf)
+static int vb2_dma_sg_dmabuf_ops_vmap(struct dma_buf *dbuf, struct dma_buf_map *map)
{
struct vb2_dma_sg_buf *buf = dbuf->priv;
- return vb2_dma_sg_vaddr(buf);
+ dma_buf_map_set_vaddr(map, buf->vaddr);
+
+ return 0;
}
static int vb2_dma_sg_dmabuf_ops_mmap(struct dma_buf *dbuf,