From d935c57e8fb6902a9ede603bb55d9e158f75f09a Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Tue, 18 Nov 2014 09:50:59 -0300 Subject: [PATCH] [media] vb2: add dma_dir to the alloc memop This is needed for the next patch where the dma-sg alloc memop needs to know the dma_dir. Signed-off-by: Hans Verkuil Acked-by: Pawel Osciak Signed-off-by: Mauro Carvalho Chehab --- drivers/media/v4l2-core/videobuf2-core.c | 4 +++- drivers/media/v4l2-core/videobuf2-dma-contig.c | 4 +++- drivers/media/v4l2-core/videobuf2-dma-sg.c | 5 +++-- drivers/media/v4l2-core/videobuf2-vmalloc.c | 4 +++- include/media/videobuf2-core.h | 4 +++- 5 files changed, 15 insertions(+), 6 deletions(-) diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index 573f6fb9b40f..7aed8f22e075 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -189,6 +189,8 @@ static void __vb2_queue_cancel(struct vb2_queue *q); static int __vb2_buf_mem_alloc(struct vb2_buffer *vb) { struct vb2_queue *q = vb->vb2_queue; + enum dma_data_direction dma_dir = + V4L2_TYPE_IS_OUTPUT(q->type) ? DMA_TO_DEVICE : DMA_FROM_DEVICE; void *mem_priv; int plane; @@ -200,7 +202,7 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb) unsigned long size = PAGE_ALIGN(q->plane_sizes[plane]); mem_priv = call_ptr_memop(vb, alloc, q->alloc_ctx[plane], - size, q->gfp_flags); + size, dma_dir, q->gfp_flags); if (IS_ERR_OR_NULL(mem_priv)) goto free; diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c index 2bdffd383572..c4305bf3dbed 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c @@ -155,7 +155,8 @@ static void vb2_dc_put(void *buf_priv) kfree(buf); } -static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_flags) +static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size, + enum dma_data_direction dma_dir, gfp_t gfp_flags) { struct vb2_dc_conf *conf = alloc_ctx; struct device *dev = conf->dev; @@ -176,6 +177,7 @@ static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_flags) /* 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->handler.refcount = &buf->refcount; buf->handler.put = vb2_dc_put; diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c index 6b54a14ee827..2529b831725b 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c @@ -86,7 +86,8 @@ static int vb2_dma_sg_alloc_compacted(struct vb2_dma_sg_buf *buf, return 0; } -static void *vb2_dma_sg_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_flags) +static void *vb2_dma_sg_alloc(void *alloc_ctx, unsigned long size, + enum dma_data_direction dma_dir, gfp_t gfp_flags) { struct vb2_dma_sg_buf *buf; int ret; @@ -97,7 +98,7 @@ static void *vb2_dma_sg_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_fla return NULL; buf->vaddr = NULL; - buf->dma_dir = DMA_NONE; + buf->dma_dir = dma_dir; buf->offset = 0; buf->size = size; /* size is already page aligned */ diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c index fc1eb45a6143..bba2460961df 100644 --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c @@ -35,7 +35,8 @@ struct vb2_vmalloc_buf { static void vb2_vmalloc_put(void *buf_priv); -static void *vb2_vmalloc_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_flags) +static void *vb2_vmalloc_alloc(void *alloc_ctx, unsigned long size, + enum dma_data_direction dma_dir, gfp_t gfp_flags) { struct vb2_vmalloc_buf *buf; @@ -45,6 +46,7 @@ static void *vb2_vmalloc_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_fl buf->size = size; buf->vaddr = vmalloc_user(buf->size); + buf->dma_dir = dma_dir; buf->handler.refcount = &buf->refcount; buf->handler.put = vb2_vmalloc_put; buf->handler.arg = buf; diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index d607871749c7..bd2cec2d6c3d 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -82,7 +82,9 @@ struct vb2_threadio_data; * unmap_dmabuf. */ struct vb2_mem_ops { - void *(*alloc)(void *alloc_ctx, unsigned long size, gfp_t gfp_flags); + void *(*alloc)(void *alloc_ctx, unsigned long size, + enum dma_data_direction dma_dir, + gfp_t gfp_flags); void (*put)(void *buf_priv); struct dma_buf *(*get_dmabuf)(void *buf_priv, unsigned long flags);