diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index e5b138b..4aa50b5 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1380,6 +1380,14 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
 		goto free_priv;
 	}
 
+	if (IS_I965G(dev)) {
+	    if (pci_set_dma_mask(dev->pdev, DMA_BIT_MASK(36))) {
+		DRM_ERROR("failed to set 36 bit dma mask!\n");
+		ret = -EIO;
+		goto free_priv;
+	    }
+	}
+
 	dev_priv->regs = ioremap(base, size);
 	if (!dev_priv->regs) {
 		DRM_ERROR("failed to map registers\n");