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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL/SKL/BDW] drv_selftest some subtests are failing "cannot allocate memory""
href="https://bugs.freedesktop.org/show_bug.cgi?id=101080#c5">Comment # 5</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - [APL/SKL/BDW] drv_selftest some subtests are failing "cannot allocate memory""
href="https://bugs.freedesktop.org/show_bug.cgi?id=101080">bug 101080</a>
from <span class="vcard"><a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> <span class="fn">Chris Wilson</span></a>
</span></b>
<pre>diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 678723430d78..38ed006be5be 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -146,6 +146,9 @@ struct drm_i915_private *mock_gem_device(void)
dev_set_name(&pdev->dev, "mock");
dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+ /* hack to disable iommu for the fake device; force identity mapping */
+ pdev->dev.archdata.iommu = (void *)-1;
+
dev_pm_domain_set(&pdev->dev, &pm_domain);
pm_runtime_enable(&pdev->dev);
pm_runtime_dont_use_autosuspend(&pdev->dev);</pre>
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