1 files changed, 43 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index 92100a9678ba..75c5c465e08e 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -639,6 +639,43 @@ static void nouveau_OF_copy_vbios_to_ramin(struct drm_device *dev)
 #endif
 }
 
+static struct apertures_struct *nouveau_get_apertures(struct drm_device *dev)
+{
+        struct pci_dev *pdev = dev->pdev;
+        struct apertures_struct *aper = alloc_apertures(3);
+        if (!aper)
+                return NULL;
+
+        aper->ranges[0].base = pci_resource_start(pdev, 1);
+        aper->ranges[0].size = pci_resource_len(pdev, 1);
+        aper->count = 1;
+
+        if (pci_resource_len(pdev, 2)) {
+                aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
+                aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
+                aper->count++;
+        }
+
+        if (pci_resource_len(pdev, 3)) {
+                aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
+                aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
+                aper->count++;
+        }
+
+        return aper;
+}
+
+static int nouveau_remove_conflicting_drivers(struct drm_device *dev)
+{
+        struct drm_nouveau_private *dev_priv = dev->dev_private;
+        dev_priv->apertures = nouveau_get_apertures(dev);
+        if (!dev_priv->apertures)
+                return -ENOMEM;
+
+        remove_conflicting_framebuffers(dev_priv->apertures, "nouveaufb");
+        return 0;
+}
+
 int nouveau_load(struct drm_device *dev, unsigned long flags)
 {
         struct drm_nouveau_private *dev_priv;
@@ -726,6 +763,12 @@ int nouveau_load(struct drm_device *dev, unsigned long flags)
         NV_INFO(dev, "Detected an NV%2x generation card (0x%08x)\n",
                 dev_priv->card_type, reg0);
 
+        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+                int ret = nouveau_remove_conflicting_drivers(dev);
+                if (ret)
+                        return ret;
+        }
+
         /* map larger RAMIN aperture on NV40 cards */
         dev_priv->ramin  = NULL;
         if (dev_priv->card_type >= NV_40) {