agp/intel: set 40-bit dma mask on Sandybridge
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -825,7 +825,8 @@ static const struct intel_driver_description {
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static int __devinit intel_gmch_probe(struct pci_dev *pdev,
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struct agp_bridge_data *bridge)
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{
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int i;
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int i, mask;
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bridge->driver = NULL;
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for (i = 0; intel_agp_chipsets[i].name != NULL; i++) {
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@ -845,14 +846,19 @@ static int __devinit intel_gmch_probe(struct pci_dev *pdev,
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dev_info(&pdev->dev, "Intel %s Chipset\n", intel_agp_chipsets[i].name);
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if (bridge->driver->mask_memory == intel_i965_mask_memory) {
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if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(36)))
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if (bridge->driver->mask_memory == intel_gen6_mask_memory)
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mask = 40;
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else if (bridge->driver->mask_memory == intel_i965_mask_memory)
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mask = 36;
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else
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mask = 32;
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if (pci_set_dma_mask(intel_private.pcidev, DMA_BIT_MASK(mask)))
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dev_err(&intel_private.pcidev->dev,
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"set gfx device dma mask 36bit failed!\n");
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"set gfx device dma mask %d-bit failed!\n", mask);
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else
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pci_set_consistent_dma_mask(intel_private.pcidev,
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DMA_BIT_MASK(36));
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}
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DMA_BIT_MASK(mask));
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return 1;
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}
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