Symbol: virtio_gpu_vram_unmap_dma_buf
drivers/gpu/drm/virtio/virtgpu_drv.h
511
void virtio_gpu_vram_unmap_dma_buf(struct device *dev,
drivers/gpu/drm/virtio/virtgpu_prime.c
69
virtio_gpu_vram_unmap_dma_buf(attach->dev, sgt, dir);