drm/etnaviv: improve error reporting in GPU init path
Print error messages that mention the exact cause of the failure on all paths which may fail the GPU init. Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Reviewed-by: Christian Gmeiner <christian.gmeiner@gmail.com>
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@ -597,8 +597,10 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
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bool mmuv2;
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ret = pm_runtime_get_sync(gpu->dev);
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if (ret < 0)
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if (ret < 0) {
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dev_err(gpu->dev, "Failed to enable GPU power domain\n");
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return ret;
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}
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etnaviv_hw_identify(gpu);
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@ -635,8 +637,10 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
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}
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ret = etnaviv_hw_reset(gpu);
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if (ret)
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if (ret) {
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dev_err(gpu->dev, "GPU reset failed\n");
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goto fail;
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}
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/* Setup IOMMU.. eventually we will (I think) do this once per context
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* and have separate page tables per context. For now, to keep things
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@ -654,12 +658,14 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
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}
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if (!iommu) {
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dev_err(gpu->dev, "Failed to allocate GPU IOMMU domain\n");
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ret = -ENOMEM;
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goto fail;
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}
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gpu->mmu = etnaviv_iommu_new(gpu, iommu, version);
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if (!gpu->mmu) {
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dev_err(gpu->dev, "Failed to instantiate GPU IOMMU\n");
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iommu_domain_free(iommu);
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ret = -ENOMEM;
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goto fail;
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