[PATCH 5/7] drm/amdgpu: use DMA_RESV_USAGE_BOOKKEEP v2

[Christian König]

Use DMA_RESV_USAGE_BOOKKEEP for VM page table updates and KFD preemption fence.

v2: actually update all usages for KFD

Signed-off-by: Christian König <christian.koenig at amd.com>
---
 .../gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c  | 26 ++++++++++++-------
 drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c   |  3 ++-
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index f4c49537d837..978d3970b5cc 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -298,7 +298,7 @@ static int amdgpu_amdkfd_remove_eviction_fence(struct amdgpu_bo *bo,
 	 */
 	replacement = dma_fence_get_stub();
 	dma_resv_replace_fences(bo->tbo.base.resv, ef->base.context,
-				replacement, DMA_RESV_USAGE_READ);
+				replacement, DMA_RESV_USAGE_BOOKKEEP);
 	dma_fence_put(replacement);
 	return 0;
 }
@@ -1391,8 +1391,9 @@ static int init_kfd_vm(struct amdgpu_vm *vm, void **process_info,
 	ret = dma_resv_reserve_fences(vm->root.bo->tbo.base.resv, 1);
 	if (ret)
 		goto reserve_shared_fail;
-	amdgpu_bo_fence(vm->root.bo,
-			&vm->process_info->eviction_fence->base, true);
+	dma_resv_add_fence(vm->root.bo->tbo.base.resv,
+			   &vm->process_info->eviction_fence->base,
+			   DMA_RESV_USAGE_BOOKKEEP);
 	amdgpu_bo_unreserve(vm->root.bo);
 
 	/* Update process info */
@@ -1989,9 +1990,9 @@ int amdgpu_amdkfd_gpuvm_map_memory_to_gpu(
 	}
 
 	if (!amdgpu_ttm_tt_get_usermm(bo->tbo.ttm) && !bo->tbo.pin_count)
-		amdgpu_bo_fence(bo,
-				&avm->process_info->eviction_fence->base,
-				true);
+		dma_resv_add_fence(bo->tbo.base.resv,
+				   &avm->process_info->eviction_fence->base,
+				   DMA_RESV_USAGE_BOOKKEEP);
 	ret = unreserve_bo_and_vms(&ctx, false, false);
 
 	goto out;
@@ -2760,15 +2761,18 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
 		if (mem->bo->tbo.pin_count)
 			continue;
 
-		amdgpu_bo_fence(mem->bo,
-			&process_info->eviction_fence->base, true);
+		dma_resv_add_fence(mem->bo->tbo.base.resv,
+				   &process_info->eviction_fence->base,
+				   DMA_RESV_USAGE_BOOKKEEP);
 	}
 	/* Attach eviction fence to PD / PT BOs */
 	list_for_each_entry(peer_vm, &process_info->vm_list_head,
 			    vm_list_node) {
 		struct amdgpu_bo *bo = peer_vm->root.bo;
 
-		amdgpu_bo_fence(bo, &process_info->eviction_fence->base, true);
+		dma_resv_add_fence(bo->tbo.base.resv,
+				   &process_info->eviction_fence->base,
+				   DMA_RESV_USAGE_BOOKKEEP);
 	}
 
 validate_map_fail:
@@ -2822,7 +2826,9 @@ int amdgpu_amdkfd_add_gws_to_process(void *info, void *gws, struct kgd_mem **mem
 	ret = dma_resv_reserve_fences(gws_bo->tbo.base.resv, 1);
 	if (ret)
 		goto reserve_shared_fail;
-	amdgpu_bo_fence(gws_bo, &process_info->eviction_fence->base, true);
+	dma_resv_add_fence(gws_bo->tbo.base.resv,
+			   &process_info->eviction_fence->base,
+			   DMA_RESV_USAGE_BOOKKEEP);
 	amdgpu_bo_unreserve(gws_bo);
 	mutex_unlock(&(*mem)->process_info->lock);
 
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
index 1fd3cbca20a2..03ec099d64e0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm_sdma.c
@@ -112,7 +112,8 @@ static int amdgpu_vm_sdma_commit(struct amdgpu_vm_update_params *p,
 		swap(p->vm->last_unlocked, tmp);
 		dma_fence_put(tmp);
 	} else {
-		amdgpu_bo_fence(p->vm->root.bo, f, true);
+		dma_resv_add_fence(p->vm->root.bo->tbo.base.resv, f,
+				   DMA_RESV_USAGE_BOOKKEEP);
 	}
 
 	if (fence && !p->immediate)
-- 
2.25.1