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path: root/drivers/media/common/videobuf2/videobuf2-dma-contig.c
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Diffstat (limited to 'drivers/media/common/videobuf2/videobuf2-dma-contig.c')
-rw-r--r--drivers/media/common/videobuf2/videobuf2-dma-contig.c36
1 files changed, 21 insertions, 15 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-contig.c b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
index a7f61ba85440..019c3843dc6d 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-contig.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-contig.c
@@ -40,6 +40,8 @@ struct vb2_dc_buf {
/* DMABUF related */
struct dma_buf_attachment *db_attach;
+
+ struct vb2_buffer *vb;
};
/*********************************************/
@@ -66,14 +68,14 @@ static unsigned long vb2_dc_get_contiguous_size(struct sg_table *sgt)
/* callbacks for all buffers */
/*********************************************/
-static void *vb2_dc_cookie(void *buf_priv)
+static void *vb2_dc_cookie(struct vb2_buffer *vb, void *buf_priv)
{
struct vb2_dc_buf *buf = buf_priv;
return &buf->dma_addr;
}
-static void *vb2_dc_vaddr(void *buf_priv)
+static void *vb2_dc_vaddr(struct vb2_buffer *vb, void *buf_priv)
{
struct vb2_dc_buf *buf = buf_priv;
struct dma_buf_map map;
@@ -137,9 +139,9 @@ static void vb2_dc_put(void *buf_priv)
kfree(buf);
}
-static void *vb2_dc_alloc(struct device *dev, unsigned long attrs,
- unsigned long size, enum dma_data_direction dma_dir,
- gfp_t gfp_flags)
+static void *vb2_dc_alloc(struct vb2_buffer *vb,
+ struct device *dev,
+ unsigned long size)
{
struct vb2_dc_buf *buf;
@@ -150,9 +152,10 @@ static void *vb2_dc_alloc(struct device *dev, unsigned long attrs,
if (!buf)
return ERR_PTR(-ENOMEM);
- buf->attrs = attrs;
+ buf->attrs = vb->vb2_queue->dma_attrs;
buf->cookie = dma_alloc_attrs(dev, size, &buf->dma_addr,
- GFP_KERNEL | gfp_flags, buf->attrs);
+ GFP_KERNEL | vb->vb2_queue->gfp_flags,
+ buf->attrs);
if (!buf->cookie) {
dev_err(dev, "dma_alloc_coherent of size %ld failed\n", size);
kfree(buf);
@@ -165,11 +168,12 @@ static void *vb2_dc_alloc(struct device *dev, unsigned long attrs,
/* Prevent the device from being released while the buffer is used */
buf->dev = get_device(dev);
buf->size = size;
- buf->dma_dir = dma_dir;
+ buf->dma_dir = vb->vb2_queue->dma_dir;
buf->handler.refcount = &buf->refcount;
buf->handler.put = vb2_dc_put;
buf->handler.arg = buf;
+ buf->vb = vb;
refcount_set(&buf->refcount, 1);
@@ -397,7 +401,9 @@ static struct sg_table *vb2_dc_get_base_sgt(struct vb2_dc_buf *buf)
return sgt;
}
-static struct dma_buf *vb2_dc_get_dmabuf(void *buf_priv, unsigned long flags)
+static struct dma_buf *vb2_dc_get_dmabuf(struct vb2_buffer *vb,
+ void *buf_priv,
+ unsigned long flags)
{
struct vb2_dc_buf *buf = buf_priv;
struct dma_buf *dbuf;
@@ -459,8 +465,8 @@ static void vb2_dc_put_userptr(void *buf_priv)
kfree(buf);
}
-static void *vb2_dc_get_userptr(struct device *dev, unsigned long vaddr,
- unsigned long size, enum dma_data_direction dma_dir)
+static void *vb2_dc_get_userptr(struct vb2_buffer *vb, struct device *dev,
+ unsigned long vaddr, unsigned long size)
{
struct vb2_dc_buf *buf;
struct frame_vector *vec;
@@ -490,7 +496,7 @@ static void *vb2_dc_get_userptr(struct device *dev, unsigned long vaddr,
return ERR_PTR(-ENOMEM);
buf->dev = dev;
- buf->dma_dir = dma_dir;
+ buf->dma_dir = vb->vb2_queue->dma_dir;
offset = lower_32_bits(offset_in_page(vaddr));
vec = vb2_create_framevec(vaddr, size);
@@ -660,8 +666,8 @@ static void vb2_dc_detach_dmabuf(void *mem_priv)
kfree(buf);
}
-static void *vb2_dc_attach_dmabuf(struct device *dev, struct dma_buf *dbuf,
- unsigned long size, enum dma_data_direction dma_dir)
+static void *vb2_dc_attach_dmabuf(struct vb2_buffer *vb, struct device *dev,
+ struct dma_buf *dbuf, unsigned long size)
{
struct vb2_dc_buf *buf;
struct dma_buf_attachment *dba;
@@ -685,7 +691,7 @@ static void *vb2_dc_attach_dmabuf(struct device *dev, struct dma_buf *dbuf,
return dba;
}
- buf->dma_dir = dma_dir;
+ buf->dma_dir = vb->vb2_queue->dma_dir;
buf->size = size;
buf->db_attach = dba;