Update includes to L4T r32.7.4 and drop nvgpu/gk20a.h dependency

Also add instructions for updating `include/`. These files are now
only needed to build on Linux 4.9-based Tegra platforms.

1 files changed, 5 insertions, 3 deletions

diff --git a/include/os/linux/vm.c b/include/os/linux/vm.c
index dc807ab..8956cce 100644
--- a/include/os/linux/vm.c
+++ b/include/os/linux/vm.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2020, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2017-2022, NVIDIA CORPORATION.  All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms and conditions of the GNU General Public License,
@@ -50,8 +50,10 @@ static u32 nvgpu_vm_translate_linux_flags(struct gk20a *g, u32 flags)
                 core_flags |= NVGPU_VM_MAP_IO_COHERENT;
         if (flags & NVGPU_AS_MAP_BUFFER_FLAGS_UNMAPPED_PTE)
                 core_flags |= NVGPU_VM_MAP_UNMAPPED_PTE;
-        if (flags & NVGPU_AS_MAP_BUFFER_FLAGS_L3_ALLOC)
-                core_flags |= NVGPU_VM_MAP_L3_ALLOC;
+        if (!nvgpu_is_enabled(g, NVGPU_DISABLE_L3_SUPPORT)) {
+                if (flags & NVGPU_AS_MAP_BUFFER_FLAGS_L3_ALLOC)
+                        core_flags |= NVGPU_VM_MAP_L3_ALLOC;
+        }
         if (flags & NVGPU_AS_MAP_BUFFER_FLAGS_DIRECT_KIND_CTRL)
                 core_flags |= NVGPU_VM_MAP_DIRECT_KIND_CTRL;
         if (flags & NVGPU_AS_MAP_BUFFER_FLAGS_PLATFORM_ATOMIC)