From: =?UTF-8?q?Christian=20K=C3=B6nig?= Date: Thu, 19 Apr 2018 15:01:12 +0200 Subject: drm/amdgpu: move VM BOs on LRU again MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Git-commit: 806f043f0253a76248c554ce9f7303bc25e43314 Patch-mainline: v4.18-rc1 References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166 Move all BOs belonging to a VM on the LRU with every submission. Signed-off-by: Christian König Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher Acked-by: Petr Tesarik --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 28 +++++++++++++++++++++++----- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 +++ 2 files changed, 26 insertions(+), 5 deletions(-) --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -251,6 +251,19 @@ int amdgpu_vm_validate_pt_bos(struct amd } } + spin_lock(&glob->lru_lock); + list_for_each_entry(bo_base, &vm->idle, vm_status) { + struct amdgpu_bo *bo = bo_base->bo; + + if (!bo->parent) + continue; + + ttm_bo_move_to_lru_tail(&bo->tbo); + if (bo->shadow) + ttm_bo_move_to_lru_tail(&bo->shadow->tbo); + } + spin_unlock(&glob->lru_lock); + return r; } @@ -965,7 +978,7 @@ restart: struct amdgpu_vm_bo_base, vm_status); bo_base->moved = false; - list_del_init(&bo_base->vm_status); + list_move(&bo_base->vm_status, &vm->idle); bo = bo_base->bo->parent; if (!bo) @@ -1571,10 +1584,14 @@ int amdgpu_vm_bo_update(struct amdgpu_de * the evicted list so that it gets validated again on the * next command submission. */ - if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv && - !(bo->preferred_domains & - amdgpu_mem_type_to_domain(bo->tbo.mem.mem_type))) - list_add_tail(&bo_va->base.vm_status, &vm->evicted); + if (bo && bo->tbo.resv == vm->root.base.bo->tbo.resv) { + uint32_t mem_type = bo->tbo.mem.mem_type; + + if (!(bo->preferred_domains & amdgpu_mem_type_to_domain(mem_type))) + list_add_tail(&bo_va->base.vm_status, &vm->evicted); + else + list_add(&bo_va->base.vm_status, &vm->idle); + } list_splice_init(&bo_va->invalids, &bo_va->valids); bo_va->cleared = clear; @@ -2368,6 +2385,7 @@ int amdgpu_vm_init(struct amdgpu_device INIT_LIST_HEAD(&vm->relocated); spin_lock_init(&vm->moved_lock); INIT_LIST_HEAD(&vm->moved); + INIT_LIST_HEAD(&vm->idle); INIT_LIST_HEAD(&vm->freed); /* create scheduler entity for page table updates */ --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -178,6 +178,9 @@ struct amdgpu_vm { struct list_head moved; spinlock_t moved_lock; + /* All BOs of this VM not currently in the state machine */ + struct list_head idle; + /* BO mappings freed, but not yet updated in the PT */ struct list_head freed;