1 files changed, 0 insertions, 184 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c
deleted file mode 100644
index 2a3d3468e4e0..000000000000
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c
+++ /dev/null
@@ -1,184 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0 OR MIT
-/*
- * Huge page-table-entry support for IO memory.
- *
- * Copyright (C) 2007-2019 Vmware, Inc. All rights reservedd.
- */
-#include "vmwgfx_drv.h"
-#include <drm/ttm/ttm_bo_driver.h>
-#include <drm/ttm/ttm_placement.h>
-#include <drm/ttm/ttm_range_manager.h>
-
-/**
- * struct vmw_thp_manager - Range manager implementing huge page alignment
- *
- * @manager: TTM resource manager.
- * @mm: The underlying range manager. Protected by @lock.
- * @lock: Manager lock.
- */
-struct vmw_thp_manager {
-	struct ttm_resource_manager manager;
-	struct drm_mm mm;
-	spinlock_t lock;
-};
-
-static struct vmw_thp_manager *to_thp_manager(struct ttm_resource_manager *man)
-{
-	return container_of(man, struct vmw_thp_manager, manager);
-}
-
-static const struct ttm_resource_manager_func vmw_thp_func;
-
-static int vmw_thp_insert_aligned(struct ttm_buffer_object *bo,
-				  struct drm_mm *mm, struct drm_mm_node *node,
-				  unsigned long align_pages,
-				  const struct ttm_place *place,
-				  struct ttm_resource *mem,
-				  unsigned long lpfn,
-				  enum drm_mm_insert_mode mode)
-{
-	if (align_pages >= bo->page_alignment &&
-	    (!bo->page_alignment || align_pages % bo->page_alignment == 0)) {
-		return drm_mm_insert_node_in_range(mm, node,
-						   mem->num_pages,
-						   align_pages, 0,
-						   place->fpfn, lpfn, mode);
-	}
-
-	return -ENOSPC;
-}
-
-static int vmw_thp_get_node(struct ttm_resource_manager *man,
-			    struct ttm_buffer_object *bo,
-			    const struct ttm_place *place,
-			    struct ttm_resource **res)
-{
-	struct vmw_thp_manager *rman = to_thp_manager(man);
-	struct drm_mm *mm = &rman->mm;
-	struct ttm_range_mgr_node *node;
-	unsigned long align_pages;
-	unsigned long lpfn;
-	enum drm_mm_insert_mode mode = DRM_MM_INSERT_BEST;
-	int ret;
-
-	node = kzalloc(struct_size(node, mm_nodes, 1), GFP_KERNEL);
-	if (!node)
-		return -ENOMEM;
-
-	ttm_resource_init(bo, place, &node->base);
-
-	lpfn = place->lpfn;
-	if (!lpfn)
-		lpfn = man->size;
-
-	mode = DRM_MM_INSERT_BEST;
-	if (place->flags & TTM_PL_FLAG_TOPDOWN)
-		mode = DRM_MM_INSERT_HIGH;
-
-	spin_lock(&rman->lock);
-	if (IS_ENABLED(CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD)) {
-		align_pages = (HPAGE_PUD_SIZE >> PAGE_SHIFT);
-		if (node->base.num_pages >= align_pages) {
-			ret = vmw_thp_insert_aligned(bo, mm, &node->mm_nodes[0],
-						     align_pages, place,
-						     &node->base, lpfn, mode);
-			if (!ret)
-				goto found_unlock;
-		}
-	}
-
-	align_pages = (HPAGE_PMD_SIZE >> PAGE_SHIFT);
-	if (node->base.num_pages >= align_pages) {
-		ret = vmw_thp_insert_aligned(bo, mm, &node->mm_nodes[0],
-					     align_pages, place, &node->base,
-					     lpfn, mode);
-		if (!ret)
-			goto found_unlock;
-	}
-
-	ret = drm_mm_insert_node_in_range(mm, &node->mm_nodes[0],
-					  node->base.num_pages,
-					  bo->page_alignment, 0,
-					  place->fpfn, lpfn, mode);
-found_unlock:
-	spin_unlock(&rman->lock);
-
-	if (unlikely(ret)) {
-		kfree(node);
-	} else {
-		node->base.start = node->mm_nodes[0].start;
-		*res = &node->base;
-	}
-
-	return ret;
-}
-
-static void vmw_thp_put_node(struct ttm_resource_manager *man,
-			     struct ttm_resource *res)
-{
-	struct ttm_range_mgr_node *node = to_ttm_range_mgr_node(res);
-	struct vmw_thp_manager *rman = to_thp_manager(man);
-
-	spin_lock(&rman->lock);
-	drm_mm_remove_node(&node->mm_nodes[0]);
-	spin_unlock(&rman->lock);
-
-	kfree(node);
-}
-
-int vmw_thp_init(struct vmw_private *dev_priv)
-{
-	struct vmw_thp_manager *rman;
-
-	rman = kzalloc(sizeof(*rman), GFP_KERNEL);
-	if (!rman)
-		return -ENOMEM;
-
-	ttm_resource_manager_init(&rman->manager,
-				  dev_priv->vram_size >> PAGE_SHIFT);
-
-	rman->manager.func = &vmw_thp_func;
-	drm_mm_init(&rman->mm, 0, rman->manager.size);
-	spin_lock_init(&rman->lock);
-
-	ttm_set_driver_manager(&dev_priv->bdev, TTM_PL_VRAM, &rman->manager);
-	ttm_resource_manager_set_used(&rman->manager, true);
-	return 0;
-}
-
-void vmw_thp_fini(struct vmw_private *dev_priv)
-{
-	struct ttm_resource_manager *man = ttm_manager_type(&dev_priv->bdev, TTM_PL_VRAM);
-	struct vmw_thp_manager *rman = to_thp_manager(man);
-	struct drm_mm *mm = &rman->mm;
-	int ret;
-
-	ttm_resource_manager_set_used(man, false);
-
-	ret = ttm_resource_manager_evict_all(&dev_priv->bdev, man);
-	if (ret)
-		return;
-	spin_lock(&rman->lock);
-	drm_mm_clean(mm);
-	drm_mm_takedown(mm);
-	spin_unlock(&rman->lock);
-	ttm_resource_manager_cleanup(man);
-	ttm_set_driver_manager(&dev_priv->bdev, TTM_PL_VRAM, NULL);
-	kfree(rman);
-}
-
-static void vmw_thp_debug(struct ttm_resource_manager *man,
-			  struct drm_printer *printer)
-{
-	struct vmw_thp_manager *rman = to_thp_manager(man);
-
-	spin_lock(&rman->lock);
-	drm_mm_print(&rman->mm, printer);
-	spin_unlock(&rman->lock);
-}
-
-static const struct ttm_resource_manager_func vmw_thp_func = {
-	.alloc = vmw_thp_get_node,
-	.free = vmw_thp_put_node,
-	.debug = vmw_thp_debug
-};