drm/nouveau: Fix crashes during fbcon init on single head cards.

this fixes a regression since the fbcon rework.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index c9a4a0d2a115..257ea130ae13 100644
--- a/drivers/gpu/drm/nouveau/nouveau_fbcon.c
+++ b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
@@ -387,7 +387,8 @@ int nouveau_fbcon_init(struct drm_device *dev)
         dev_priv->nfbdev = nfbdev;
         nfbdev->helper.funcs = &nouveau_fbcon_helper_funcs;
 
-        ret = drm_fb_helper_init(dev, &nfbdev->helper, 2, 4);
+        ret = drm_fb_helper_init(dev, &nfbdev->helper,
+                                 nv_two_heads(dev) ? 2 : 1, 4);
         if (ret) {
                 kfree(nfbdev);
                 return ret;