drm/ttm: drop persistent_swap_storage from ttm_bo_init and co

Never used as parameter, the only driver actually using this is nouveau
and there it is initialized after the BO is initialized.
Signed-off-by: NChristian König <christian.koenig@amd.com>
Reviewed-by: NMichel Dänzer <michel.daenzer@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -418,8 +418,8 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	amdgpu_ttm_placement_from_domain(bo, domain);
 
 	r = ttm_bo_init_reserved(&adev->mman.bdev, &bo->tbo, size, type,
-				 &bo->placement, page_align, &ctx, NULL,
-				 acc_size, sg, resv, &amdgpu_ttm_bo_destroy);
+				 &bo->placement, page_align, &ctx, acc_size,
+				 sg, resv, &amdgpu_ttm_bo_destroy);
 	if (unlikely(r != 0))
 		return r;
 

drivers/gpu/drm/ast/ast_ttm.c

@@ -321,7 +321,7 @@ int ast_bo_create(struct drm_device *dev, int size, int align,
 
 	ret = ttm_bo_init(&ast->ttm.bdev, &astbo->bo, size,
 			  ttm_bo_type_device, &astbo->placement,
-			  align >> PAGE_SHIFT, false, NULL, acc_size,
+			  align >> PAGE_SHIFT, false, acc_size,
 			  NULL, NULL, ast_bo_ttm_destroy);
 	if (ret)
 		goto error;

drivers/gpu/drm/bochs/bochs_mm.c

@@ -368,7 +368,7 @@ static int bochs_bo_create(struct drm_device *dev, int size, int align,
 
 	ret = ttm_bo_init(&bochs->ttm.bdev, &bochsbo->bo, size,
 			  ttm_bo_type_device, &bochsbo->placement,
-			  align >> PAGE_SHIFT, false, NULL, acc_size,
+			  align >> PAGE_SHIFT, false, acc_size,
 			  NULL, NULL, bochs_bo_ttm_destroy);
 	if (ret)
 		return ret;

drivers/gpu/drm/cirrus/cirrus_ttm.c

@@ -328,7 +328,7 @@ int cirrus_bo_create(struct drm_device *dev, int size, int align,
 
 	ret = ttm_bo_init(&cirrus->ttm.bdev, &cirrusbo->bo, size,
 			  ttm_bo_type_device, &cirrusbo->placement,
-			  align >> PAGE_SHIFT, false, NULL, acc_size,
+			  align >> PAGE_SHIFT, false, acc_size,
 			  NULL, NULL, cirrus_bo_ttm_destroy);
 	if (ret)
 		return ret;

drivers/gpu/drm/hisilicon/hibmc/hibmc_ttm.c

@@ -317,7 +317,7 @@ int hibmc_bo_create(struct drm_device *dev, int size, int align,
 
 	ret = ttm_bo_init(&hibmc->bdev, &hibmcbo->bo, size,
 			  ttm_bo_type_device, &hibmcbo->placement,
-			  align >> PAGE_SHIFT, false, NULL, acc_size,
+			  align >> PAGE_SHIFT, false, acc_size,
 			  NULL, NULL, hibmc_bo_ttm_destroy);
 	if (ret) {
 		hibmc_bo_unref(&hibmcbo);

drivers/gpu/drm/mgag200/mgag200_ttm.c

@@ -324,7 +324,7 @@ int mgag200_bo_create(struct drm_device *dev, int size, int align,
 
 	ret = ttm_bo_init(&mdev->ttm.bdev, &mgabo->bo, size,
 			  ttm_bo_type_device, &mgabo->placement,
-			  align >> PAGE_SHIFT, false, NULL, acc_size,
+			  align >> PAGE_SHIFT, false, acc_size,
 			  NULL, NULL, mgag200_bo_ttm_destroy);
 	if (ret)
 		return ret;

drivers/gpu/drm/nouveau/nouveau_bo.c

@@ -298,7 +298,7 @@ nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align,
 
 	ret = ttm_bo_init(&drm->ttm.bdev, &nvbo->bo, size,
 			  type, &nvbo->placement,
-			  align >> PAGE_SHIFT, false, NULL, acc_size, sg,
+			  align >> PAGE_SHIFT, false, acc_size, sg,
 			  robj, nouveau_bo_del_ttm);
 	if (ret) {
 		/* ttm will call nouveau_bo_del_ttm if it fails.. */

drivers/gpu/drm/qxl/qxl_object.c

@@ -109,7 +109,7 @@ 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,
-			&bo->placement, 0, !kernel, NULL, size,
+			&bo->placement, 0, !kernel, size,
 			NULL, NULL, &qxl_ttm_bo_destroy);
 	if (unlikely(r != 0)) {
 		if (r != -ERESTARTSYS)

drivers/gpu/drm/radeon/radeon_object.c

@@ -255,8 +255,8 @@ int radeon_bo_create(struct radeon_device *rdev,
 	/* Kernel allocation are uninterruptible */
 	down_read(&rdev->pm.mclk_lock);
 	r = ttm_bo_init(&rdev->mman.bdev, &bo->tbo, size, type,
-			&bo->placement, page_align, !kernel, NULL,
-			acc_size, sg, resv, &radeon_ttm_bo_destroy);
+			&bo->placement, page_align, !kernel, acc_size,
+			sg, resv, &radeon_ttm_bo_destroy);
 	up_read(&rdev->pm.mclk_lock);
 	if (unlikely(r != 0)) {
 		return r;

drivers/gpu/drm/ttm/ttm_bo.c

@@ -1149,7 +1149,6 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 			 struct ttm_placement *placement,
 			 uint32_t page_alignment,
 			 struct ttm_operation_ctx *ctx,
-			 struct file *persistent_swap_storage,
 			 size_t acc_size,
 			 struct sg_table *sg,
 			 struct reservation_object *resv,
@@ -1202,7 +1201,6 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 	bo->mem.bus.io_reserved_count = 0;
 	bo->moving = NULL;
 	bo->mem.placement = (TTM_PL_FLAG_SYSTEM | TTM_PL_FLAG_CACHED);
-	bo->persistent_swap_storage = persistent_swap_storage;
 	bo->acc_size = acc_size;
 	bo->sg = sg;
 	if (resv) {
@@ -1261,7 +1259,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
 		struct ttm_placement *placement,
 		uint32_t page_alignment,
 		bool interruptible,
-		struct file *persistent_swap_storage,
 		size_t acc_size,
 		struct sg_table *sg,
 		struct reservation_object *resv,
@@ -1271,8 +1268,7 @@ int ttm_bo_init(struct ttm_bo_device *bdev,
 	int ret;
 
 	ret = ttm_bo_init_reserved(bdev, bo, size, type, placement,
-				   page_alignment, &ctx,
-				   persistent_swap_storage, acc_size,
+				   page_alignment, &ctx, acc_size,
 				   sg, resv, destroy);
 	if (ret)
 		return ret;
@@ -1318,7 +1314,6 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
 			struct ttm_placement *placement,
 			uint32_t page_alignment,
 			bool interruptible,
-			struct file *persistent_swap_storage,
 			struct ttm_buffer_object **p_bo)
 {
 	struct ttm_buffer_object *bo;
@@ -1331,7 +1326,7 @@ int ttm_bo_create(struct ttm_bo_device *bdev,
 
 	acc_size = ttm_bo_acc_size(bdev, size, sizeof(struct ttm_buffer_object));
 	ret = ttm_bo_init(bdev, bo, size, type, placement, page_alignment,
-			  interruptible, persistent_swap_storage, acc_size,
+			  interruptible, acc_size,
 			  NULL, NULL, NULL);
 	if (likely(ret == 0))
 		*p_bo = bo;

drivers/gpu/drm/virtio/virtgpu_object.c

@@ -89,7 +89,7 @@ int virtio_gpu_object_create(struct virtio_gpu_device *vgdev,
 	virtio_gpu_init_ttm_placement(bo, pinned);
 
 	ret = ttm_bo_init(&vgdev->mman.bdev, &bo->tbo, size, type,
-			  &bo->placement, 0, !kernel, NULL, acc_size,
+			  &bo->placement, 0, !kernel, acc_size,
 			  NULL, NULL, &virtio_gpu_ttm_bo_destroy);
 	/* ttm_bo_init failure will call the destroy */
 	if (ret != 0)

drivers/gpu/drm/vmwgfx/vmwgfx_cmdbuf.c

@@ -1245,7 +1245,7 @@ int vmw_cmdbuf_set_pool_size(struct vmw_cmdbuf_man *man,
 			return -ENOMEM;
 
 		ret = ttm_bo_create(&dev_priv->bdev, size, ttm_bo_type_device,
-				    &vmw_mob_ne_placement, 0, false, NULL,
+				    &vmw_mob_ne_placement, 0, false,
 				    &man->cmd_space);
 		if (ret)
 			return ret;

drivers/gpu/drm/vmwgfx/vmwgfx_mob.c

@@ -260,8 +260,7 @@ static int vmw_otable_batch_setup(struct vmw_private *dev_priv,
 	ret = ttm_bo_create(&dev_priv->bdev, bo_size,
 			    ttm_bo_type_device,
 			    &vmw_sys_ne_placement,
-			    0, false, NULL,
-			    &batch->otable_bo);
+			    0, false, &batch->otable_bo);
 
 	if (unlikely(ret != 0))
 		goto out_no_bo;
@@ -444,7 +443,7 @@ static int vmw_mob_pt_populate(struct vmw_private *dev_priv,
 	ret = ttm_bo_create(&dev_priv->bdev, mob->num_pages * PAGE_SIZE,
 			    ttm_bo_type_device,
 			    &vmw_sys_ne_placement,
-			    0, false, NULL, &mob->pt_bo);
+			    0, false, &mob->pt_bo);
 	if (unlikely(ret != 0))
 		return ret;
 

drivers/gpu/drm/vmwgfx/vmwgfx_resource.c

@@ -384,8 +384,8 @@ int vmw_dmabuf_init(struct vmw_private *dev_priv,
 
 	ret = ttm_bo_init(bdev, &vmw_bo->base, size,
 			  ttm_bo_type_device, placement,
-			  0, interruptible,
-			  NULL, acc_size, NULL, NULL, bo_free);
+			  0, interruptible, acc_size,
+			  NULL, NULL, bo_free);
 	return ret;
 }
 

drivers/staging/vboxvideo/vbox_ttm.c

@@ -331,7 +331,7 @@ int vbox_bo_create(struct drm_device *dev, int size, int align,
 
 	ret = ttm_bo_init(&vbox->ttm.bdev, &vboxbo->bo, size,
 			  ttm_bo_type_device, &vboxbo->placement,
-			  align >> PAGE_SHIFT, false, NULL, acc_size,
+			  align >> PAGE_SHIFT, false, acc_size,
 			  NULL, NULL, vbox_bo_ttm_destroy);
 	if (ret)
 		goto err_free_vboxbo;

include/drm/ttm/ttm_bo_api.h

@@ -467,11 +467,6 @@ size_t ttm_bo_dma_acc_size(struct ttm_bo_device *bdev,
  * @flags: Initial placement flags.
  * @page_alignment: Data alignment in pages.
  * @ctx: TTM operation context for memory allocation.
- * @persistent_swap_storage: Usually the swap storage is deleted for buffers
- * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistent shmem object. Typically, this would
- * point to the shmem object backing a GEM object if TTM is used to back a
- * GEM user interface.
  * @acc_size: Accounted size for this object.
  * @resv: Pointer to a reservation_object, or NULL to let ttm allocate one.
  * @destroy: Destroy function. Use NULL for kfree().
@@ -504,7 +499,6 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 			 struct ttm_placement *placement,
 			 uint32_t page_alignment,
 			 struct ttm_operation_ctx *ctx,
-			 struct file *persistent_swap_storage,
 			 size_t acc_size,
 			 struct sg_table *sg,
 			 struct reservation_object *resv,
@@ -521,7 +515,6 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
  * @page_alignment: Data alignment in pages.
  * @interruptible: If needing to sleep to wait for GPU resources,
  * sleep interruptible.
- * @persistent_swap_storage: Usually the swap storage is deleted for buffers
  * pinned in physical memory. If this behaviour is not desired, this member
  * holds a pointer to a persistent shmem object. Typically, this would
  * point to the shmem object backing a GEM object if TTM is used to back a
@@ -551,8 +544,7 @@ int ttm_bo_init_reserved(struct ttm_bo_device *bdev,
 int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
 		unsigned long size, enum ttm_bo_type type,
 		struct ttm_placement *placement,
-		uint32_t page_alignment, bool interrubtible,
-		struct file *persistent_swap_storage, size_t acc_size,
+		uint32_t page_alignment, bool interrubtible, size_t acc_size,
 		struct sg_table *sg, struct reservation_object *resv,
 		void (*destroy) (struct ttm_buffer_object *));
 
@@ -566,11 +558,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
  * @page_alignment: Data alignment in pages.
  * @interruptible: If needing to sleep while waiting for GPU resources,
  * sleep interruptible.
- * @persistent_swap_storage: Usually the swap storage is deleted for buffers
- * pinned in physical memory. If this behaviour is not desired, this member
- * holds a pointer to a persistent shmem object. Typically, this would
- * point to the shmem object backing a GEM object if TTM is used to back a
- * GEM user interface.
  * @p_bo: On successful completion *p_bo points to the created object.
  *
  * This function allocates a ttm_buffer_object, and then calls ttm_bo_init
@@ -583,7 +570,6 @@ int ttm_bo_init(struct ttm_bo_device *bdev, struct ttm_buffer_object *bo,
 int ttm_bo_create(struct ttm_bo_device *bdev, unsigned long size,
 		  enum ttm_bo_type type, struct ttm_placement *placement,
 		  uint32_t page_alignment, bool interruptible,
-		  struct file *persistent_swap_storage,
 		  struct ttm_buffer_object **p_bo);
 
 /**