From 67a161c13e2ecb740422523f0ce874836cd02937 Mon Sep 17 00:00:00 2001
From: zhangrouyu <rouyu.zhang@intel.com>
Date: Mon, 19 Sep 2022 03:09:01 -0400
Subject: [PATCH] gtvd

Signed-off-by: zhangrouyu <rouyu.zhang@intel.com>
---
 doc/tutorials/gpu-passthru.rst | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/doc/tutorials/gpu-passthru.rst b/doc/tutorials/gpu-passthru.rst
index 8ddeba946..09b752d38 100644
--- a/doc/tutorials/gpu-passthru.rst
+++ b/doc/tutorials/gpu-passthru.rst
@@ -26,6 +26,8 @@ Consider the following dependencies and constraints:
 
 * When a device is assigned to a VM via GVT-d, no other VMs can use it.
 
+* For ADL-ASRock board, need disable BIOS setting "Above 4G Decoding"(under Advanced Menu -> SA Configuration) to enable GVT-d feature.
+
 .. note:: After GVT-d is enabled, have either a serial port
    or SSH session open in the Service VM to interact with it.