[Intel-gfx] [PATCH] drm/i915/selftests: Mark the whole mock device as DMA capable

[Chris Wilson]

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

v2: Fix up mock_huge_selftests

Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Reviewed-by: Matthew Auld <matthew.auld at intel.com>
---
 drivers/gpu/drm/i915/selftests/huge_pages.c      | 4 ----
 drivers/gpu/drm/i915/selftests/mock_gem_device.c | 2 +-
 2 files changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/gpu/drm/i915/selftests/huge_pages.c b/drivers/gpu/drm/i915/selftests/huge_pages.c
index a0c7cbc212ba..6c10734e948d 100644
--- a/drivers/gpu/drm/i915/selftests/huge_pages.c
+++ b/drivers/gpu/drm/i915/selftests/huge_pages.c
@@ -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)) {
diff --git a/drivers/gpu/drm/i915/selftests/mock_gem_device.c b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
index 43ed8b28aeaa..baa3c38919de 100644
--- a/drivers/gpu/drm/i915/selftests/mock_gem_device.c
+++ b/drivers/gpu/drm/i915/selftests/mock_gem_device.c
@@ -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 */
-- 
2.20.1