diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_gtt.c')
-rw-r--r-- | drivers/gpu/drm/i915/i915_gem_gtt.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_gtt.c b/drivers/gpu/drm/i915/i915_gem_gtt.c index f7ac61ee1504..2c150dee78a7 100644 --- a/drivers/gpu/drm/i915/i915_gem_gtt.c +++ b/drivers/gpu/drm/i915/i915_gem_gtt.c | |||
@@ -639,6 +639,10 @@ int i915_gem_gtt_init(struct drm_device *dev) | |||
639 | if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(40))) | 639 | if (!pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(40))) |
640 | pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(40)); | 640 | pci_set_consistent_dma_mask(dev->pdev, DMA_BIT_MASK(40)); |
641 | 641 | ||
642 | #ifdef CONFIG_INTEL_IOMMU | ||
643 | dev_priv->mm.gtt->needs_dmar = 1; | ||
644 | #endif | ||
645 | |||
642 | /* For GEN6+ the PTEs for the ggtt live at 2MB + BAR0 */ | 646 | /* For GEN6+ the PTEs for the ggtt live at 2MB + BAR0 */ |
643 | gtt_bus_addr = pci_resource_start(dev->pdev, 0) + (2<<20); | 647 | gtt_bus_addr = pci_resource_start(dev->pdev, 0) + (2<<20); |
644 | dev_priv->mm.gtt->gma_bus_addr = pci_resource_start(dev->pdev, 2); | 648 | dev_priv->mm.gtt->gma_bus_addr = pci_resource_start(dev->pdev, 2); |