diff --git a/[refs] b/[refs]
index cf623dfdf789..2f4149e4b11b 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: df26bc9c320602539b1b5b3d85786e4c8de7bf43
+refs/heads/master: 950c44b6ddc0dfb44e59fdb031e09567a1b391c0
diff --git a/trunk/drivers/gpu/drm/nouveau/nvc0_vram.c b/trunk/drivers/gpu/drm/nouveau/nvc0_vram.c
index fd687ee888de..82b51b2506ab 100644
--- a/trunk/drivers/gpu/drm/nouveau/nvc0_vram.c
+++ b/trunk/drivers/gpu/drm/nouveau/nvc0_vram.c
@@ -116,6 +116,7 @@ nvc0_vram_init(struct drm_device *dev)
 	NV_DEBUG(dev, "parts 0x%08x bcast_mem_amount 0x%08x\n", parts, bsize);
 
 	dev_priv->vram_type = nouveau_mem_vbios_type(dev);
+	dev_priv->vram_rank_B = !!(nv_rd32(dev, 0x10f200) & 0x00000004);
 
 	/* read amount of vram attached to each memory controller */
 	part = 0;