gpu: nvgpu: align size to page size in vgpu map

Align size to the page size in vgpu_gp10b_locked_gmmu_map
before setting up the memory descriptors being passed to the
RM server

Bug 2212569
Bug 200528973

Change-Id: I7149f3116c2c4c909f77cd791f5954ad8c486073
Signed-off-by: Peter Daifuku <pdaifuku@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1953444
(cherry picked from commit 0babd46eb49d9d1b2f8562cea17a419677619b0e)
Reviewed-on: https://git-master.nvidia.com/r/2140963
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Thomas Steinle <tsteinle@nvidia.com>
Reviewed-by: Satish Arora <satisha@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c b/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c
index 6017046f..4b06aea8 100644
--- a/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c
+++ b/drivers/gpu/nvgpu/vgpu/gp10b/vgpu_mm_gp10b.c
@@ -1,7 +1,7 @@
 /*
  * Virtualized GPU Memory Management
  *
- * Copyright (c) 2015-2018, NVIDIA CORPORATION.  All rights reserved.
+ * Copyright (c) 2015-2019, 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"),
@@ -108,6 +108,10 @@ u64 vgpu_gp10b_locked_gmmu_map(struct vm_gk20a *vm,
                 goto fail;
         }
         sgl = sgt->sgl;
+
+        /* Align size to page size */
+        size = ALIGN(size, page_size);
+
         while (sgl) {
                 u64 phys_addr;
                 u64 chunk_length;