drm/nv50: support for compression

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_mem.c b/drivers/gpu/drm/nouveau/nouveau_mem.c
index 73f37bd..63b9040 100644
--- a/drivers/gpu/drm/nouveau/nouveau_mem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_mem.c
@@ -740,7 +740,7 @@
 
 	ret = vram->get(dev, mem->num_pages << PAGE_SHIFT,
 			mem->page_alignment << PAGE_SHIFT, size_nc,
-			(nvbo->tile_flags >> 8) & 0xff, &node);
+			(nvbo->tile_flags >> 8) & 0x3ff, &node);
 	if (ret)
 		return ret;