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drm/i915/selftests: Mark the whole mock device as DMA capable

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Being a mock device, we suffer no DMA restrictions, so set the coherent
mask to 64b.

v2: Fix up mock_huge_selftests

Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109243
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190107181856.23789-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2019-01-07 18:18:56 +00:00
parent f6e8aa3871
commit d58f0083d3
2 changed files with 1 additions and 5 deletions
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4
drivers/gpu/drm/i915/selftests/huge_pages.c
View File

@ -1702,7 +1702,6 @@ int i915_gem_huge_page_mock_selftests(void)
};
struct drm_i915_private *dev_priv;
struct i915_hw_ppgtt *ppgtt;
struct pci_dev *pdev;
int err;
dev_priv = mock_gem_device();
@ -1712,9 +1711,6 @@ int i915_gem_huge_page_mock_selftests(void)
/* Pretend to be a device which supports the 48b PPGTT */
mkwrite_device_info(dev_priv)->ppgtt = INTEL_PPGTT_FULL_4LVL;
pdev = dev_priv->drm.pdev;
dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(39));
mutex_lock(&dev_priv->drm.struct_mutex);
ppgtt = i915_ppgtt_create(dev_priv, ERR_PTR(-ENODEV));
if (IS_ERR(ppgtt)) {

2
drivers/gpu/drm/i915/selftests/mock_gem_device.c
View File

@ -147,7 +147,7 @@ struct drm_i915_private *mock_gem_device(void)
pdev->class = PCI_BASE_CLASS_DISPLAY << 16;
pdev->dev.release = release_dev;
dev_set_name(&pdev->dev, "mock");
dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
dma_coerce_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
#if IS_ENABLED(CONFIG_IOMMU_API) && defined(CONFIG_INTEL_IOMMU)
/* hack to disable iommu for the fake device; force identity mapping */