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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.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/media/common/videobuf2/videobuf2-dma-sg.c b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
index 50265080cfc8..33ee63a99139 100644
--- a/drivers/media/common/videobuf2/videobuf2-dma-sg.c
+++ b/drivers/media/common/videobuf2/videobuf2-dma-sg.c
@@ -204,6 +204,9 @@ static void vb2_dma_sg_prepare(void *buf_priv)
struct vb2_dma_sg_buf *buf = buf_priv;
struct sg_table *sgt = buf->dma_sgt;
+ if (buf->vb->skip_cache_sync_on_prepare)
+ return;
+
dma_sync_sgtable_for_device(buf->dev, sgt, buf->dma_dir);
}
@@ -212,6 +215,9 @@ static void vb2_dma_sg_finish(void *buf_priv)
struct vb2_dma_sg_buf *buf = buf_priv;
struct sg_table *sgt = buf->dma_sgt;
+ if (buf->vb->skip_cache_sync_on_finish)
+ return;
+
dma_sync_sgtable_for_cpu(buf->dev, sgt, buf->dma_dir);
}