[PATCH] drm/ttm: specify bo priority when initializing ttm bo
Christian König
ckoenig.leichtzumerken at gmail.com
Thu May 10 14:40:12 UTC 2018
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,
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