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

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

diff --git a/drivers/gpu/drm/nouveau/nouveau_fbcon.c b/drivers/gpu/drm/nouveau/nouveau_fbcon.c
index 728f5550e68b640e1f79be133e547709bb09c520..2fb2444d23221d8684683dedb036b14f3034220d 100644 (file)
--- 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;