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Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r--drivers/media/v4l2-core/videobuf2-core.c17
-rw-r--r--drivers/media/v4l2-core/videobuf2-dma-contig.c3
-rw-r--r--drivers/media/v4l2-core/videobuf2-dma-sg.c6
-rw-r--r--drivers/media/v4l2-core/videobuf2-vmalloc.c6
4 files changed, 18 insertions, 14 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c
index 0924594989b4..cb115ba6a1d2 100644
--- a/drivers/media/v4l2-core/videobuf2-core.c
+++ b/drivers/media/v4l2-core/videobuf2-core.c
@@ -194,8 +194,6 @@ static void __enqueue_in_driver(struct vb2_buffer *vb);
static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
{
struct vb2_queue *q = vb->vb2_queue;
- enum dma_data_direction dma_dir =
- q->is_output ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
void *mem_priv;
int plane;
int ret = -ENOMEM;
@@ -209,7 +207,7 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb)
mem_priv = call_ptr_memop(vb, alloc,
q->alloc_devs[plane] ? : q->dev,
- q->dma_attrs, size, dma_dir, q->gfp_flags);
+ q->dma_attrs, size, q->dma_dir, q->gfp_flags);
if (IS_ERR_OR_NULL(mem_priv)) {
if (mem_priv)
ret = PTR_ERR(mem_priv);
@@ -978,8 +976,6 @@ static int __prepare_userptr(struct vb2_buffer *vb, const void *pb)
void *mem_priv;
unsigned int plane;
int ret = 0;
- enum dma_data_direction dma_dir =
- q->is_output ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
bool reacquired = vb->planes[0].mem_priv == NULL;
memset(planes, 0, sizeof(planes[0]) * vb->num_planes);
@@ -1030,7 +1026,7 @@ static int __prepare_userptr(struct vb2_buffer *vb, const void *pb)
mem_priv = call_ptr_memop(vb, get_userptr,
q->alloc_devs[plane] ? : q->dev,
planes[plane].m.userptr,
- planes[plane].length, dma_dir);
+ planes[plane].length, q->dma_dir);
if (IS_ERR(mem_priv)) {
dprintk(1, "failed acquiring userspace memory for plane %d\n",
plane);
@@ -1096,8 +1092,6 @@ static int __prepare_dmabuf(struct vb2_buffer *vb, const void *pb)
void *mem_priv;
unsigned int plane;
int ret = 0;
- enum dma_data_direction dma_dir =
- q->is_output ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
bool reacquired = vb->planes[0].mem_priv == NULL;
memset(planes, 0, sizeof(planes[0]) * vb->num_planes);
@@ -1156,7 +1150,7 @@ static int __prepare_dmabuf(struct vb2_buffer *vb, const void *pb)
/* Acquire each plane's memory */
mem_priv = call_ptr_memop(vb, attach_dmabuf,
q->alloc_devs[plane] ? : q->dev,
- dbuf, planes[plane].length, dma_dir);
+ dbuf, planes[plane].length, q->dma_dir);
if (IS_ERR(mem_priv)) {
dprintk(1, "failed to attach dmabuf\n");
ret = PTR_ERR(mem_priv);
@@ -2003,6 +1997,11 @@ int vb2_core_queue_init(struct vb2_queue *q)
if (q->buf_struct_size == 0)
q->buf_struct_size = sizeof(struct vb2_buffer);
+ if (q->bidirectional)
+ q->dma_dir = DMA_BIDIRECTIONAL;
+ else
+ q->dma_dir = q->is_output ? DMA_TO_DEVICE : DMA_FROM_DEVICE;
+
return 0;
}
EXPORT_SYMBOL_GPL(vb2_core_queue_init);
diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c
index 5b90a66b9e78..9f389f36566d 100644
--- a/drivers/media/v4l2-core/videobuf2-dma-contig.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c
@@ -508,7 +508,8 @@ static void *vb2_dc_get_userptr(struct device *dev, unsigned long vaddr,
buf->dma_dir = dma_dir;
offset = vaddr & ~PAGE_MASK;
- vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE);
+ vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE ||
+ dma_dir == DMA_BIDIRECTIONAL);
if (IS_ERR(vec)) {
ret = PTR_ERR(vec);
goto fail_buf;
diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c
index 54f33938d45b..6808231a6bdc 100644
--- a/drivers/media/v4l2-core/videobuf2-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c
@@ -239,7 +239,8 @@ static void *vb2_dma_sg_get_userptr(struct device *dev, unsigned long vaddr,
buf->offset = vaddr & ~PAGE_MASK;
buf->size = size;
buf->dma_sgt = &buf->sg_table;
- vec = vb2_create_framevec(vaddr, size, buf->dma_dir == DMA_FROM_DEVICE);
+ vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE ||
+ dma_dir == DMA_BIDIRECTIONAL);
if (IS_ERR(vec))
goto userptr_fail_pfnvec;
buf->vec = vec;
@@ -292,7 +293,8 @@ static void vb2_dma_sg_put_userptr(void *buf_priv)
vm_unmap_ram(buf->vaddr, buf->num_pages);
sg_free_table(buf->dma_sgt);
while (--i >= 0) {
- if (buf->dma_dir == DMA_FROM_DEVICE)
+ if (buf->dma_dir == DMA_FROM_DEVICE ||
+ buf->dma_dir == DMA_BIDIRECTIONAL)
set_page_dirty_lock(buf->pages[i]);
}
vb2_destroy_framevec(buf->vec);
diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c
index 6bc130fe84f6..3a7c80cd1a17 100644
--- a/drivers/media/v4l2-core/videobuf2-vmalloc.c
+++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c
@@ -87,7 +87,8 @@ static void *vb2_vmalloc_get_userptr(struct device *dev, unsigned long vaddr,
buf->dma_dir = dma_dir;
offset = vaddr & ~PAGE_MASK;
buf->size = size;
- vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE);
+ vec = vb2_create_framevec(vaddr, size, dma_dir == DMA_FROM_DEVICE ||
+ dma_dir == DMA_BIDIRECTIONAL);
if (IS_ERR(vec)) {
ret = PTR_ERR(vec);
goto fail_pfnvec_create;
@@ -137,7 +138,8 @@ static void vb2_vmalloc_put_userptr(void *buf_priv)
pages = frame_vector_pages(buf->vec);
if (vaddr)
vm_unmap_ram((void *)vaddr, n_pages);
- if (buf->dma_dir == DMA_FROM_DEVICE)
+ if (buf->dma_dir == DMA_FROM_DEVICE ||
+ buf->dma_dir == DMA_BIDIRECTIONAL)
for (i = 0; i < n_pages; i++)
set_page_dirty_lock(pages[i]);
} else {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 02:10:05 +0000