diff --git a/[refs] b/[refs]
index 939a79ad14a3..396281b7b89f 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: dce411cdf60eb64638443f953b52c18192378305
+refs/heads/master: 7b4b98fa0c4d3a975b36bfe9984e4cd117f2ddff
diff --git a/trunk/drivers/gpu/drm/nouveau/nv50_vram.c b/trunk/drivers/gpu/drm/nouveau/nv50_vram.c
index 9da23838e63e..2e45e57fd869 100644
--- a/trunk/drivers/gpu/drm/nouveau/nv50_vram.c
+++ b/trunk/drivers/gpu/drm/nouveau/nv50_vram.c
@@ -160,7 +160,7 @@ nv50_vram_rblock(struct drm_device *dev)
 	colbits  =  (r4 & 0x0000f000) >> 12;
 	rowbitsa = ((r4 & 0x000f0000) >> 16) + 8;
 	rowbitsb = ((r4 & 0x00f00000) >> 20) + 8;
-	banks    = ((r4 & 0x01000000) ? 8 : 4);
+	banks    = 1 << (((r4 & 0x03000000) >> 24) + 2);
 
 	rowsize = parts * banks * (1 << colbits) * 8;
 	predicted = rowsize << rowbitsa;