From 3a6825e8f5dc6c82061e2fc0a4eed682003797e6 Mon Sep 17 00:00:00 2001 From: "Pelloux-prayer, Pierre-eric" Date: Wed, 23 Oct 2019 12:02:45 +0000 Subject: [PATCH 4285/4736] drm/amdgpu: call amdgpu_vm_prt_fini before deleting the root PD MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit amdgpu_vm_prt_fini uses "vm->root.base.bo" so it must still be valid when we call it. Fixes: b65709a92156 ("drm/amdgpu: reserve the root PD while freeing PASIDs") Change-Id: Idd5fef2b9344ab6129a6dcdcce2d0a568ed4dde0 Signed-off-by: Pelloux-prayer, Pierre-eric Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index c970824b041d..d0604167cd74 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2977,6 +2977,16 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) vm->pasid = 0; } + list_for_each_entry_safe(mapping, tmp, &vm->freed, list) { + if (mapping->flags & AMDGPU_PTE_PRT && prt_fini_needed) { + amdgpu_vm_prt_fini(adev, vm); + prt_fini_needed = false; + } + + list_del(&mapping->list); + amdgpu_vm_free_mapping(adev, vm, mapping, NULL); + } + amdgpu_vm_free_pts(adev, vm, NULL); amdgpu_bo_unreserve(root); amdgpu_bo_unref(&root); @@ -2996,15 +3006,6 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) list_del(&mapping->list); kfree(mapping); } - list_for_each_entry_safe(mapping, tmp, &vm->freed, list) { - if (mapping->flags & AMDGPU_PTE_PRT && prt_fini_needed) { - amdgpu_vm_prt_fini(adev, vm); - prt_fini_needed = false; - } - - list_del(&mapping->list); - amdgpu_vm_free_mapping(adev, vm, mapping, NULL); - } dma_fence_put(vm->last_update); for (i = 0; i < AMDGPU_MAX_VMHUBS; i++) -- 2.17.1