X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fgpu%2Fdrm%2Fi915%2Fi915_drv.c;h=cfb56d0ff36797ec6f65fa3b7d33fd29dc233783;hb=091994cfb8e7d7a372c2d547778a91012d899e16;hp=66796bb82d3e540b1db6d356308916a534be22b5;hpb=5e82ea99827f6aa122fbb08f8659e76226ce107b;p=pandora-kernel.git

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index 66796bb82d3e..cfb56d0ff367 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -354,6 +354,7 @@ static int i915_drm_thaw(struct drm_device *dev)
 		error = i915_gem_init_ringbuffer(dev);
 		mutex_unlock(&dev->struct_mutex);
 
+		drm_mode_config_reset(dev);
 		drm_irq_install(dev);
 
 		/* Resume the modeset for every activated CRTC */
@@ -542,6 +543,7 @@ int i915_reset(struct drm_device *dev, u8 flags)
 
 		mutex_unlock(&dev->struct_mutex);
 		drm_irq_uninstall(dev);
+		drm_mode_config_reset(dev);
 		drm_irq_install(dev);
 		mutex_lock(&dev->struct_mutex);
 	}
@@ -566,6 +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);
 }