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drm/nouveau/platform: fix compile error if !CONFIG_IOMMU
The lack of IOMMU API support can make nouveau_platform_probe_iommu() fail to compile because struct iommu_ops is then empty. Fix this by skipping IOMMU probe in that case - lack of IOMMU on platform devices is sub-optimal, but is not an error. Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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@ -92,6 +92,8 @@ static int nouveau_platform_power_down(struct nouveau_platform_gpu *gpu)
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return 0;
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}
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#if IS_ENABLED(CONFIG_IOMMU_API)
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static void nouveau_platform_probe_iommu(struct device *dev,
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struct nouveau_platform_gpu *gpu)
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{
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@ -158,6 +160,20 @@ static void nouveau_platform_remove_iommu(struct device *dev,
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}
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}
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#else
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static void nouveau_platform_probe_iommu(struct device *dev,
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struct nouveau_platform_gpu *gpu)
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{
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}
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static void nouveau_platform_remove_iommu(struct device *dev,
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struct nouveau_platform_gpu *gpu)
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{
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}
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#endif
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static int nouveau_platform_probe(struct platform_device *pdev)
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{
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struct nouveau_platform_gpu *gpu;
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