Am 10.05.2018 um 07:01 schrieb Junwei Zhang: > Expect to add an evitable bo who has reservation object > to the correct lru[bo->priority] list Nice catch, but since this affects only a very small use case can we just remove and readd the BO to the LRU? A call to ttm_bo_move_to_lru_tail() after setting the priority should be sufficient. Thanks, Christian. > > Signed-off-by: Junwei Zhang <Jerry.Zhang at amd.com> > --- > drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 11 ++++++----- > drivers/gpu/drm/ast/ast_ttm.c | 2 +- > drivers/gpu/drm/bochs/bochs_mm.c | 2 +- > drivers/gpu/drm/cirrus/cirrus_ttm.c | 2 +- > drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c | 2 +- > drivers/gpu/drm/mgag200/mgag200_ttm.c | 2 +- > drivers/gpu/drm/nouveau/nouveau_bo.c | 2 +- > drivers/gpu/drm/qxl/qxl_object.c | 2 +- > drivers/gpu/drm/radeon/radeon_object.c | 2 +- > drivers/gpu/drm/ttm/ttm_bo.c | 8 +++++--- > drivers/gpu/drm/virtio/virtgpu_object.c | 2 +- > drivers/gpu/drm/vmwgfx/vmwgfx_resource.c | 2 +- > drivers/staging/vboxvideo/vbox_ttm.c | 2 +- > include/drm/ttm/ttm_bo_api.h | 5 ++++- > 14 files changed, 26 insertions(+), 20 deletions(-) > > diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c > index e62153a..9a25ecb 100644 > --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c > +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c > @@ -360,6 +360,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, > }; > struct amdgpu_bo *bo; > unsigned long page_align, size = bp->size; > + uint32_t prio = 0; > size_t acc_size; > int r; > > @@ -419,10 +420,13 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, > > bo->tbo.bdev = &adev->mman.bdev; > amdgpu_ttm_placement_from_domain(bo, bp->domain); > + if (bp->type == ttm_bo_type_kernel) > + prio = 1; > > r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, bp->type, > - &bo->placement, page_align, &ctx, acc_size, > - NULL, bp->resv, &amdgpu_ttm_bo_destroy); > + prio, &bo->placement, page_align, &ctx, > + acc_size, NULL, bp->resv, > + &amdgpu_ttm_bo_destroy); > if (unlikely(r != 0)) > return r; > > @@ -434,9 +438,6 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev, > else > amdgpu_cs_report_moved_bytes(adev, ctx.bytes_moved, 0); > > - if (bp->type == ttm_bo_type_kernel) > - bo->tbo.priority = 1; > - > if (bp->flags & AMDGPU_GEM_CREATE_VRAM_CLEARED && > bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) { > struct dma_fence *fence; > diff --git a/drivers/gpu/drm/ast/ast_ttm.c b/drivers/gpu/drm/ast/ast_ttm.c > index fe354eb..aabb96a 100644 > --- a/drivers/gpu/drm/ast/ast_ttm.c > +++ b/drivers/gpu/drm/ast/ast_ttm.c > @@ -320,7 +320,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align, > sizeof(struct ast_bo)); > > ret = ttm_bo_init(&ast->ttm.bdev, &astbo->bo, size, > - ttm_bo_type_device, &astbo->placement, > + ttm_bo_type_device, 0, &astbo->placement, > align >> PAGE_SHIFT, false, acc_size, > NULL, NULL, ast_bo_ttm_destroy); > if (ret) > diff --git a/drivers/gpu/drm/bochs/bochs_mm.c b/drivers/gpu/drm/bochs/bochs_mm.c > index 39cd084..9693109 100644 > --- a/drivers/gpu/drm/bochs/bochs_mm.c > +++ b/drivers/gpu/drm/bochs/bochs_mm.c > @@ -366,7 +366,7 @@ static int bochs_bo_create(struct drm_device *dev, int size, int align, > sizeof(struct bochs_bo)); > > ret = ttm_bo_init(&bochs->ttm.bdev, &bochsbo->bo, size, > - ttm_bo_type_device, &bochsbo->placement, > + ttm_bo_type_device, 0, &bochsbo->placement, > align >> PAGE_SHIFT, false, acc_size, > NULL, NULL, bochs_bo_ttm_destroy); > if (ret) > diff --git a/drivers/gpu/drm/cirrus/cirrus_ttm.c b/drivers/gpu/drm/cirrus/cirrus_ttm.c > index f219532..c1d85f8 100644 > --- a/drivers/gpu/drm/cirrus/cirrus_ttm.c > +++ b/drivers/gpu/drm/cirrus/cirrus_ttm.c > @@ -327,7 +327,7 @@ int cirrus_bo_create(struct drm_device *dev, int size, int align, > sizeof(struct cirrus_bo)); > > ret = ttm_bo_init(&cirrus->ttm.bdev, &cirrusbo->bo, size, > - ttm_bo_type_device, &cirrusbo->placement, > + ttm_bo_type_device, 0, &cirrusbo->placement, > align >> PAGE_SHIFT, false, acc_size, > NULL, NULL, cirrus_bo_ttm_destroy); > if (ret) > diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c > index 4871025..8c24731 100644 > --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c > +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c > @@ -315,7 +315,7 @@ int hibmc_bo_create(struct drm_device *dev, int size, int align, > sizeof(struct hibmc_bo)); > > ret = ttm_bo_init(&hibmc->bdev, &hibmcbo->bo, size, > - ttm_bo_type_device, &hibmcbo->placement, > + ttm_bo_type_device, 0, &hibmcbo->placement, > align >> PAGE_SHIFT, false, acc_size, > NULL, NULL, hibmc_bo_ttm_destroy); > if (ret) { > diff --git a/drivers/gpu/drm/mgag200/mgag200_ttm.c b/drivers/gpu/drm/mgag200/mgag200_ttm.c > index 05570f0..e4db046 100644 > --- a/drivers/gpu/drm/mgag200/mgag200_ttm.c > +++ b/drivers/gpu/drm/mgag200/mgag200_ttm.c > @@ -323,7 +323,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align, > sizeof(struct mgag200_bo)); > > ret = ttm_bo_init(&mdev->ttm.bdev, &mgabo->bo, size, > - ttm_bo_type_device, &mgabo->placement, > + ttm_bo_type_device, 0, &mgabo->placement, > align >> PAGE_SHIFT, false, acc_size, > NULL, NULL, mgag200_bo_ttm_destroy); > if (ret) > diff --git a/drivers/gpu/drm/nouveau/nouveau_bo.c b/drivers/gpu/drm/nouveau/nouveau_bo.c > index 6f402c4..8a6f949 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_bo.c > +++ b/drivers/gpu/drm/nouveau/nouveau_bo.c > @@ -297,7 +297,7 @@ > sizeof(struct nouveau_bo)); > > ret = ttm_bo_init(&drm->ttm.bdev, &nvbo->bo, size, > - type, &nvbo->placement, > + type, 0, &nvbo->placement, > align >> PAGE_SHIFT, false, acc_size, sg, > robj, nouveau_bo_del_ttm); > if (ret) { > diff --git a/drivers/gpu/drm/qxl/qxl_object.c b/drivers/gpu/drm/qxl/qxl_object.c > index 6a30196..3e8c64b 100644 > --- a/drivers/gpu/drm/qxl/qxl_object.c > +++ b/drivers/gpu/drm/qxl/qxl_object.c > @@ -108,7 +108,7 @@ int qxl_bo_create(struct qxl_device *qdev, > > qxl_ttm_placement_from_domain(bo, domain, pinned); > > - r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type, > + r = ttm_bo_init(&qdev->mman.bdev, &bo->tbo, size, type, 0, > &bo->placement, 0, !kernel, size, > NULL, NULL, &qxl_ttm_bo_destroy); > if (unlikely(r != 0)) { > diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c > index edbb4cd..b274e3f 100644 > --- a/drivers/gpu/drm/radeon/radeon_object.c > +++ b/drivers/gpu/drm/radeon/radeon_object.c > @@ -256,7 +256,7 @@ int radeon_bo_create(struct radeon_device *rdev, > radeon_ttm_placement_from_domain(bo, domain); > /* Kernel allocation are uninterruptible */ > down_read(&rdev->pm.mclk_lock); > - r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type, > + r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type, 0, > &bo->placement, page_align, !kernel, acc_size, > sg, resv, &radeon_ttm_bo_destroy); > up_read(&rdev->pm.mclk_lock); > diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c > index 98e06f8..d1f0585 100644 > --- a/drivers/gpu/drm/ttm/ttm_bo.c > +++ b/drivers/gpu/drm/ttm/ttm_bo.c > @@ -1109,6 +1109,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, > struct ttm_buffer_object *bo, > unsigned long size, > enum ttm_bo_type type, > + uint32_t priority, > struct ttm_placement *placement, > uint32_t page_alignment, > struct ttm_operation_ctx *ctx, > @@ -1175,7 +1176,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, > reservation_object_init(&bo->ttm_resv); > atomic_inc(&bo->bdev->glob->bo_count); > drm_vma_node_reset(&bo->vma_node); > - bo->priority = 0; > + bo->priority = priority; > > /* > * For ttm_bo_type_device buffers, allocate > @@ -1219,6 +1220,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev, > struct ttm_buffer_object *bo, > unsigned long size, > enum ttm_bo_type type, > + uint32_t priority, > struct ttm_placement *placement, > uint32_t page_alignment, > bool interruptible, > @@ -1230,7 +1232,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev, > struct ttm_operation_ctx ctx = { interruptible, false }; > int ret; > > - ret = ttm_bo_init_reserved(bdev, bo, size, type, placement, > + ret = ttm_bo_init_reserved(bdev, bo, size, type, priority, placement, > page_alignment, &ctx, acc_size, > sg, resv, destroy); > if (ret) > @@ -1288,7 +1290,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev, > return -ENOMEM; > > acc_size = ttm_bo_acc_size(bdev, size, sizeof(struct ttm_buffer_object)); > - ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment, > + ret = ttm_bo_init(bdev, bo, size, type, 0, placement, page_alignment, > interruptible, acc_size, > NULL, NULL, NULL); > if (likely(ret == 0)) > diff --git a/drivers/gpu/drm/virtio/virtgpu_object.c b/drivers/gpu/drm/virtio/virtgpu_object.c > index 9f2f470..c11eba8 100644 > --- a/drivers/gpu/drm/virtio/virtgpu_object.c > +++ b/drivers/gpu/drm/virtio/virtgpu_object.c > @@ -88,7 +88,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev, > bo->dumb = false; > virtio_gpu_init_ttm_placement(bo, pinned); > > - ret = ttm_bo_init(&vgdev->mman.bdev, &bo->tbo, size, type, > + ret = ttm_bo_init(&vgdev->mman.bdev, &bo->tbo, size, type, 0, > &bo->placement, 0, !kernel, acc_size, > NULL, NULL, &virtio_gpu_ttm_bo_destroy); > /* ttm_bo_init failure will call the destroy */ > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c > index 6b3a942..e7a4216 100644 > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c > @@ -385,7 +385,7 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv, > INIT_LIST_HEAD(&vmw_bo->res_list); > > ret = ttm_bo_init(bdev, &vmw_bo->base, size, > - ttm_bo_type_device, placement, > + ttm_bo_type_device, 0, placement, > 0, interruptible, acc_size, > NULL, NULL, bo_free); > return ret; > diff --git a/drivers/staging/vboxvideo/vbox_ttm.c b/drivers/staging/vboxvideo/vbox_ttm.c > index 548edb7..b93f8f0 100644 > --- a/drivers/staging/vboxvideo/vbox_ttm.c > +++ b/drivers/staging/vboxvideo/vbox_ttm.c > @@ -329,7 +329,7 @@ int vbox_bo_create(struct drm_device *dev, int size, int align, > sizeof(struct vbox_bo)); > > ret = ttm_bo_init(&vbox->ttm.bdev, &vboxbo->bo, size, > - ttm_bo_type_device, &vboxbo->placement, > + ttm_bo_type_device, 0, &vboxbo->placement, > align >> PAGE_SHIFT, false, acc_size, > NULL, NULL, vbox_bo_ttm_destroy); > if (ret) > diff --git a/include/drm/ttm/ttm_bo_api.h b/include/drm/ttm/ttm_bo_api.h > index c67977a..f4142af 100644 > --- a/include/drm/ttm/ttm_bo_api.h > +++ b/include/drm/ttm/ttm_bo_api.h > @@ -464,6 +464,7 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev, > * @bo: Pointer to a ttm_buffer_object to be initialized. > * @size: Requested size of buffer object. > * @type: Requested type of buffer object. > + * @priority: Requested priority of buffer object. > * @flags: Initial placement flags. > * @page_alignment: Data alignment in pages. > * @ctx: TTM operation context for memory allocation. > @@ -496,6 +497,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, > struct ttm_buffer_object *bo, > unsigned long size, > enum ttm_bo_type type, > + uint32_t priority, > struct ttm_placement *placement, > uint32_t page_alignment, > struct ttm_operation_ctx *ctx, > @@ -511,6 +513,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, > * @bo: Pointer to a ttm_buffer_object to be initialized. > * @size: Requested size of buffer object. > * @type: Requested type of buffer object. > + * @priority: Requested priority of buffer object. > * @flags: Initial placement flags. > * @page_alignment: Data alignment in pages. > * @interruptible: If needing to sleep to wait for GPU resources, > @@ -542,7 +545,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev, > * -ERESTARTSYS: Interrupted by signal while sleeping waiting for resources. > */ > int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo, > - unsigned long size, enum ttm_bo_type type, > + unsigned long size, enum ttm_bo_type type, uint32_t priority, > struct ttm_placement *placement, > uint32_t page_alignment, bool interrubtible, size_t acc_size, > struct sg_table *sg, struct reservation_object *resv,