From 682c32c65569ec363a759362fdd0a7d9d1b03116 Mon Sep 17 00:00:00 2001
From: Gang Deng <gavin.dg@linux.alibaba.com>
Date: Mon, 4 Dec 2023 14:28:14 +0800
Subject: [PATCH] nvidia: bugfix when access remote vma

The address mapped was always the start address which was wrong.

Signed-off-by: Gang Deng <gavin.dg@linux.alibaba.com>
Signed-off-by: Xu Yu <xuyu@linux.alibaba.com>
---
 kernel-open/nvidia/nv-mmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel-open/nvidia/nv-mmap.c b/kernel-open/nvidia/nv-mmap.c
index 3db8b8075..4fe822ccb 100644
--- a/kernel-open/nvidia/nv-mmap.c
+++ b/kernel-open/nvidia/nv-mmap.c
@@ -172,7 +172,7 @@ nvidia_vma_access(
     }
     else if (IS_FB_OFFSET(nv, offset, length))
     {
-        addr = (offset & PAGE_MASK);
+        addr = (offset & PAGE_MASK) + pageIndex * PAGE_SIZE;
         kernel_mapping = os_map_kernel_space(addr, PAGE_SIZE, NV_MEMORY_UNCACHED);
         if (kernel_mapping == NULL)
             return -ENOMEM;