diff --git a/drivers/video/rockchip/mpp/mpp_iommu.c b/drivers/video/rockchip/mpp/mpp_iommu.c index bf3fb43b2883..db98386da6cd 100644 --- a/drivers/video/rockchip/mpp/mpp_iommu.c +++ b/drivers/video/rockchip/mpp/mpp_iommu.c @@ -9,7 +9,7 @@ * */ #include -#include +#include #include #include #include @@ -245,8 +245,10 @@ struct mpp_dma_buffer *mpp_dma_import_fd(struct mpp_iommu_info *iommu_info, buffer->dma = dma; kref_init(&buffer->ref); - /* Increase the reference for used outside the buffer pool */ - kref_get(&buffer->ref); + + if (!IS_ENABLED(CONFIG_DMABUF_CACHE)) + /* Increase the reference for used outside the buffer pool */ + kref_get(&buffer->ref); mutex_lock(&dma->list_mutex); dma->buffer_count++;