drm/nouveau/fb: initialise vram controller as pfb sub-object

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_fbcon.c

@@ -467,10 +467,10 @@ nouveau_fbcon_init(struct drm_device *dev)
 
 	drm_fb_helper_single_add_all_connectors(&fbcon->helper);
 
-	if (pfb->ram.size <= 32 * 1024 * 1024)
+	if (pfb->ram->size <= 32 * 1024 * 1024)
 		preferred_bpp = 8;
 	else
-	if (pfb->ram.size <= 64 * 1024 * 1024)
+	if (pfb->ram->size <= 64 * 1024 * 1024)
 		preferred_bpp = 16;
 	else
 		preferred_bpp = 32;