gpu: nvgpu: nvgpu locks to vanilla Linux locks

Replace nvgpu locks to vanilla Linux locks. For the custom kernel
driver when they include nv-p2p.h, nvgpu/linux/lock.h will not be
available because nvgpu/linux/lock.h is not copied to
/usr/src/kernel_header_file.

Bug 200438879

Change-Id: I55b52c6f791970650388b7d51c4d30b5fe75bbb8
Signed-off-by: Preetham Chandru Ramchandra <pchandru@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1997950
Reviewed-by: Automatic_Commit_Validation_User
Reviewed-by: Alex Waterman <alexw@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
(cherry picked from commit eb887094e4f4446e6eed9c17e88f4a36ac5ae972)
Reviewed-on: https://git-master.nvidia.com/r/2000831

1 files changed, 2 insertions, 3 deletions

diff --git a/include/linux/nv-p2p.h b/include/linux/nv-p2p.h
index c1dee7cf..40e82796 100644
--- a/include/linux/nv-p2p.h
+++ b/include/linux/nv-p2p.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2018, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2018-2019, NVIDIA CORPORATION.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -40,7 +40,6 @@
 #include <linux/highmem.h>
 #include <linux/mutex.h>
 #include <linux/spinlock.h>
-#include <nvgpu/linux/lock.h>
 
 #define NVIDIA_P2P_UNINITIALIZED 0x0
 #define NVIDIA_P2P_PINNED 0x1
@@ -64,7 +63,7 @@ struct nvidia_p2p_page_table {
 
         struct mm_struct *mm;
         struct mmu_notifier mn;
-        struct nvgpu_mutex lock;
+        struct mutex lock;
         void (*free_callback)(void *data);
         void *data;
 };