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From 3014908abdde7540169aa6740eb079d3fdf49ce6 Mon Sep 17 00:00:00 2001
From: Yong Zhao <Yong.Zhao@amd.com>
Date: Tue, 21 Mar 2017 18:14:41 -0400
Subject: [PATCH 1619/4131] Adaption-for-kfd: allocate the PTEs before mapping
The adaption is needed due to change 6c56a655 in amdgpu
"drm/amdgpu: separate page table allocation from mapping"
Change-Id: I0a2d43ec25f438f8290fc0b847cc6d1dc91ff5aa
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index a8482ce..7f431e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -989,6 +989,14 @@ static int map_bo_to_gpuvm(struct amdgpu_device *adev,
kvm->process_info->eviction_fence,
NULL, NULL);
+ ret = amdgpu_vm_alloc_pts(adev, entry->bo_va->vm, entry->va,
+ amdgpu_bo_size(bo));
+
+ if (ret) {
+ pr_err("Failed to allocate pts, err=%d\n", ret);
+ return ret;
+ }
+
/* Set virtual address for the allocation, allocate PTs,
* if needed, and zero them.
*/
--
2.7.4
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