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From 8bc9a67b35f59f29c85a6a7dc824b11668c529a7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Mon, 27 Aug 2018 15:17:59 -0500
Subject: [PATCH 0312/2940] drm/amdgpu: add helper for VM PD/PT allocation
 parameters v3
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Add a helper function to figure them out only once.

v2: fix typo with memset
v3: rebase on kfd changes (Alex)

Change-Id: Idc7b0fdb3c8cf51b69818de83c6954665e8dfee2
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Kalyan Alle <kalyan.alle@amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 37 +++-----------------------
 1 file changed, 3 insertions(+), 34 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index 9fe324118aca..41c8c640ba23 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -535,8 +535,8 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 				  unsigned level, bool ats)
 {
 	unsigned shift = amdgpu_vm_level_shift(adev, level);
+	struct amdgpu_bo_param bp;
 	unsigned pt_idx, from, to;
-	u64 flags;
 	int r;
 
 	if (!parent->entries) {
@@ -559,30 +559,14 @@ static int amdgpu_vm_alloc_levels(struct amdgpu_device *adev,
 	saddr = saddr & ((1 << shift) - 1);
 	eaddr = eaddr & ((1 << shift) - 1);
 
-	flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
-	if (vm->root.base.bo->shadow)
-		flags |= AMDGPU_GEM_CREATE_SHADOW;
-	if (vm->use_cpu_for_update)
-		flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
-	else
-		flags |= AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
+	amdgpu_vm_bo_param(adev, vm, level, &bp);
 
 	/* walk over the address space and allocate the page tables */
 	for (pt_idx = from; pt_idx <= to; ++pt_idx) {
-		struct reservation_object *resv = vm->root.base.bo->tbo.resv;
 		struct amdgpu_vm_pt *entry = &parent->entries[pt_idx];
 		struct amdgpu_bo *pt;
 
 		if (!entry->base.bo) {
-			struct amdgpu_bo_param bp;
-
-			memset(&bp, 0, sizeof(bp));
-			bp.size = amdgpu_vm_bo_size(adev, level);
-			bp.byte_align = AMDGPU_GPU_PAGE_SIZE;
-			bp.domain = AMDGPU_GEM_DOMAIN_VRAM;
-			bp.flags = flags;
-			bp.type = ttm_bo_type_kernel;
-			bp.resv = resv;
 			r = amdgpu_bo_create(adev, &bp, &pt);
 			if (r)
 				return r;
@@ -2674,8 +2658,6 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 {
 	struct amdgpu_bo_param bp;
 	struct amdgpu_bo *root;
-	unsigned long size;
-	uint64_t flags;
 	int r, i;
 
 	vm->va = RB_ROOT_CACHED;
@@ -2712,20 +2694,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm,
 		  "CPU update of VM recommended only for large BAR system\n");
 	vm->last_update = NULL;
 
-	flags = AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
-	if (vm->use_cpu_for_update)
-		flags |= AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
-	else if (vm_context != AMDGPU_VM_CONTEXT_COMPUTE)
-		flags |= AMDGPU_GEM_CREATE_SHADOW;
-
-	size = amdgpu_vm_bo_size(adev, adev->vm_manager.root_level);
-	memset(&bp, 0, sizeof(bp));
-	bp.size = size;
-	bp.byte_align = AMDGPU_GPU_PAGE_SIZE;
-	bp.domain = AMDGPU_GEM_DOMAIN_VRAM;
-	bp.flags = flags;
-	bp.type = ttm_bo_type_kernel;
-	bp.resv = NULL;
+	amdgpu_vm_bo_param(adev, vm, adev->vm_manager.root_level, &bp);
 	r = amdgpu_bo_create(adev, &bp, &root);
 	if (r)
 		goto error_free_sched_entity;
-- 
2.17.1