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yaml --- r: 232809 b: refs/heads/master c: 5fe49d8 h: refs/heads/master i: 232807: 84fcc02 v: v3
git-mirror · Feb 1, 2011 · 254d6c7 · 254d6c7
1 parent 5c12a10
commit 254d6c7
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Showing 2 changed files with 9 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 78c6e170badd22c86a5b50a7eb038a02024b8f03
+refs/heads/master: 5fe49d86f9d01044abf687a8cd21edef636d58aa
diff --git a/trunk/drivers/gpu/drm/i915/i915_drv.c b/trunk/drivers/gpu/drm/i915/i915_drv.c
@@ -568,6 +568,14 @@ int i915_reset(struct drm_device *dev, u8 flags)
 static int __devinit
 i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
+	/* Only bind to function 0 of the device. Early generations
+	 * used function 1 as a placeholder for multi-head. This causes
+	 * us confusion instead, especially on the systems where both
+	 * functions have the same PCI-ID!
+	 */
+	if (PCI_FUNC(pdev->devfn))
+		return -ENODEV;
+
 	return drm_get_pci_dev(pdev, ent, &driver);
 }