From a7f91061c60ad9cac2e6a03b642be6a4f88b3662 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Thu, 19 Apr 2018 13:58:42 +0200 Subject: [PATCH] drm/amdgpu: kmap PDs/PTs in amdgpu_vm_update_directories MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit In theory it is possible that PDs/PTs can move without eviction. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Reviewed-by: Junwei Zhang Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 4d88b060fbde..a31afac8e8e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -242,13 +242,6 @@ int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm, spin_unlock(&glob->lru_lock); } - if (bo->tbo.type == ttm_bo_type_kernel && - vm->use_cpu_for_update) { - r = amdgpu_bo_kmap(bo, NULL); - if (r) - break; - } - if (bo->tbo.type != ttm_bo_type_kernel) { spin_lock(&vm->moved_lock); list_move(&bo_base->vm_status, &vm->moved); @@ -940,6 +933,14 @@ restart: params.adev = adev; if (vm->use_cpu_for_update) { + struct amdgpu_vm_bo_base *bo_base; + + list_for_each_entry(bo_base, &vm->relocated, vm_status) { + r = amdgpu_bo_kmap(bo_base->bo, NULL); + if (unlikely(r)) + return r; + } + r = amdgpu_vm_wait_pd(adev, vm, AMDGPU_FENCE_OWNER_VM); if (unlikely(r)) return r; -- 2.30.2