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media: videobuf2: sync caches for dmabuf memory
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diff --git a/drivers/media/common/videobuf2/videobuf2-core.c b/drivers/media/common/videobuf2/videobuf2-core.c index 358f1fe42975..4734ff9cf3ce 100644 --- a/drivers/media/common/videobuf2/videobuf2-core.c +++ b/drivers/media/common/videobuf2/videobuf2-core.c @@ -340,6 +340,17 @@ static void __vb2_buf_mem_prepare(struct vb2_buffer *vb) vb->synced = 1; for (plane = 0; plane < vb->num_planes; ++plane) call_void_memop(vb, prepare, vb->planes[plane].mem_priv); + + if (vb->memory != VB2_MEMORY_DMABUF) + return; + for (plane = 0; plane < vb->num_planes; ++plane) { + struct dma_buf *dbuf = vb->planes[plane].dbuf; + + if (!dbuf) + continue; + + dma_buf_end_cpu_access(dbuf, vb->vb2_queue->dma_dir); + } } /* @@ -356,6 +367,17 @@ static void __vb2_buf_mem_finish(struct vb2_buffer *vb) vb->synced = 0; for (plane = 0; plane < vb->num_planes; ++plane) call_void_memop(vb, finish, vb->planes[plane].mem_priv); + + if (vb->memory != VB2_MEMORY_DMABUF) + return; + for (plane = 0; plane < vb->num_planes; ++plane) { + struct dma_buf *dbuf = vb->planes[plane].dbuf; + + if (!dbuf) + continue; + + dma_buf_begin_cpu_access(dbuf, vb->vb2_queue->dma_dir); + } } /*