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From daca79a69e6b3c742eebbf0bb3c809ad0ce46739 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Wed, 30 Jan 2019 14:44:36 +0100
Subject: [PATCH 1473/2940] drm/amdgpu: clear PDs/PTs only after initializing
them
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Clear the VM PDs/PTs only after initializing all the structures.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 11 ++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 3121e375d2e0..6e96489900f1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -926,10 +926,6 @@ int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
if (r)
return r;
- r = amdgpu_vm_clear_bo(adev, vm, pt, cursor.level, ats);
- if (r)
- goto error_free_pt;
-
if (vm->use_cpu_for_update) {
r = amdgpu_bo_kmap(pt, NULL);
if (r)
@@ -942,6 +938,10 @@ int amdgpu_vm_alloc_pts(struct amdgpu_device *adev,
pt->parent = amdgpu_bo_ref(cursor.parent->base.bo);
amdgpu_vm_bo_base_init(&entry->base, vm, pt);
+
+ r = amdgpu_vm_clear_bo(adev, vm, pt, cursor.level, ats);
+ if (r)
+ goto error_free_pt;
}
return 0;
@@ -3027,13 +3027,14 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
if (r)
goto error_unreserve;
+ amdgpu_vm_bo_base_init(&vm->root.base, vm, root);
+
r = amdgpu_vm_clear_bo(adev, vm, root,
adev->vm_manager.root_level,
vm->pte_support_ats);
if (r)
goto error_unreserve;
- amdgpu_vm_bo_base_init(&vm->root.base, vm, root);
amdgpu_bo_unreserve(vm->root.base.bo);
if (pasid) {
--
2.17.1
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