diff options
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-core.c | 2 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-dma-contig.c | 5 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-dma-sg.c | 5 | ||||
| -rw-r--r-- | drivers/media/v4l2-core/videobuf2-vmalloc.c | 4 | ||||
| -rw-r--r-- | include/media/videobuf2-core.h | 10 |
5 files changed, 17 insertions, 9 deletions
diff --git a/drivers/media/v4l2-core/videobuf2-core.c b/drivers/media/v4l2-core/videobuf2-core.c index be0448161c60..70827feb87b4 100644 --- a/drivers/media/v4l2-core/videobuf2-core.c +++ b/drivers/media/v4l2-core/videobuf2-core.c @@ -57,7 +57,7 @@ static int __vb2_buf_mem_alloc(struct vb2_buffer *vb) /* Allocate memory for all planes in this buffer */ for (plane = 0; plane < vb->num_planes; ++plane) { mem_priv = call_memop(q, alloc, q->alloc_ctx[plane], - q->plane_sizes[plane]); + q->plane_sizes[plane], 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 10beaee7f0ae..ae35d255a430 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c @@ -152,7 +152,7 @@ static void vb2_dc_put(void *buf_priv) kfree(buf); } -static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size) +static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_flags) { struct vb2_dc_conf *conf = alloc_ctx; struct device *dev = conf->dev; @@ -165,7 +165,8 @@ static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size) /* align image size to PAGE_SIZE */ size = PAGE_ALIGN(size); - buf->vaddr = dma_alloc_coherent(dev, size, &buf->dma_addr, GFP_KERNEL); + buf->vaddr = dma_alloc_coherent(dev, size, &buf->dma_addr, + GFP_KERNEL | gfp_flags); if (!buf->vaddr) { dev_err(dev, "dma_alloc_coherent of size %ld failed\n", size); kfree(buf); diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c index 25c3b360e1ad..952776fafe2c 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c @@ -33,7 +33,7 @@ struct vb2_dma_sg_buf { static void vb2_dma_sg_put(void *buf_priv); -static void *vb2_dma_sg_alloc(void *alloc_ctx, unsigned long size) +static void *vb2_dma_sg_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_flags) { struct vb2_dma_sg_buf *buf; int i; @@ -60,7 +60,8 @@ static void *vb2_dma_sg_alloc(void *alloc_ctx, unsigned long size) goto fail_pages_array_alloc; for (i = 0; i < buf->sg_desc.num_pages; ++i) { - buf->pages[i] = alloc_page(GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN); + buf->pages[i] = alloc_page(GFP_KERNEL | __GFP_ZERO | + __GFP_NOWARN | gfp_flags); if (NULL == buf->pages[i]) goto fail_pages_alloc; sg_set_page(&buf->sg_desc.sglist[i], diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c index a47fd4f589a1..313d9771b2bc 100644 --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c @@ -35,11 +35,11 @@ struct vb2_vmalloc_buf { static void vb2_vmalloc_put(void *buf_priv); -static void *vb2_vmalloc_alloc(void *alloc_ctx, unsigned long size) +static void *vb2_vmalloc_alloc(void *alloc_ctx, unsigned long size, gfp_t gfp_flags) { struct vb2_vmalloc_buf *buf; - buf = kzalloc(sizeof(*buf), GFP_KERNEL); + buf = kzalloc(sizeof(*buf), GFP_KERNEL | gfp_flags); if (!buf) return NULL; diff --git a/include/media/videobuf2-core.h b/include/media/videobuf2-core.h index a2d427450780..d88a098d1aff 100644 --- a/include/media/videobuf2-core.h +++ b/include/media/videobuf2-core.h @@ -27,7 +27,9 @@ struct vb2_fileio_data; * return NULL on failure or a pointer to allocator private, * per-buffer data on success; the returned private structure * will then be passed as buf_priv argument to other ops in this - * structure + * structure. Additional gfp_flags to use when allocating the + * are also passed to this operation. These flags are from the + * gfp_flags field of vb2_queue. * @put: inform the allocator that the buffer will no longer be used; * usually will result in the allocator freeing the buffer (if * no other users of this buffer are present); the buf_priv @@ -79,7 +81,7 @@ struct vb2_fileio_data; * unmap_dmabuf. */ struct vb2_mem_ops { - void *(*alloc)(void *alloc_ctx, unsigned long size); + void *(*alloc)(void *alloc_ctx, unsigned long size, gfp_t gfp_flags); void (*put)(void *buf_priv); struct dma_buf *(*get_dmabuf)(void *buf_priv); @@ -302,6 +304,9 @@ struct v4l2_fh; * @buf_struct_size: size of the driver-specific buffer structure; * "0" indicates the driver doesn't want to use a custom buffer * structure type, so sizeof(struct vb2_buffer) will is used + * @gfp_flags: additional gfp flags used when allocating the buffers. + * Typically this is 0, but it may be e.g. GFP_DMA or __GFP_DMA32 + * to force the buffer allocation to a specific memory zone. * * @memory: current memory type used * @bufs: videobuf buffer structures @@ -327,6 +332,7 @@ struct vb2_queue { void *drv_priv; unsigned int buf_struct_size; u32 timestamp_type; + gfp_t gfp_flags; /* private: internal use only */ enum v4l2_memory memory; |