drm/nvc0/fb: detect presense of second rank

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
git-mirror · Mar 13, 2012 · 950c44b · 950c44b
1 parent df26bc9
commit 950c44b
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/drivers/gpu/drm/nouveau/nvc0_vram.c b/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;