diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c index aef12ee2f1e32..bbf67800c8a63 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c @@ -38,6 +38,7 @@ #include #include #include +#include /** * amdgpu_gem_prime_vmap - &dma_buf_ops.vmap implementation @@ -179,6 +180,9 @@ static int amdgpu_dma_buf_attach(struct dma_buf *dmabuf, struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev); int r; + if (pci_p2pdma_distance_many(adev->pdev, &attach->dev, 1, true) < 0) + attach->peer2peer = false; + if (attach->dev->driver == adev->dev->driver) return 0;