1 files changed, 0 insertions, 166 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c b/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c
deleted file mode 100644
index b7c816ba7166..000000000000
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_thp.c
+++ /dev/null
@@ -1,166 +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_module.h>
-#include <drm/ttm/ttm_bo_driver.h>
-#include <drm/ttm/ttm_placement.h>
-
-/**
- * struct vmw_thp_manager - Range manager implementing huge page alignment
- *
- * @mm: The underlying range manager. Protected by @lock.
- * @lock: Manager lock.
- */
-struct vmw_thp_manager {
-	struct drm_mm mm;
-	spinlock_t lock;
-};
-
-static int vmw_thp_insert_aligned(struct drm_mm *mm, struct drm_mm_node *node,
-				  unsigned long align_pages,
-				  const struct ttm_place *place,
-				  struct ttm_mem_reg *mem,
-				  unsigned long lpfn,
-				  enum drm_mm_insert_mode mode)
-{
-	if (align_pages >= mem->page_alignment &&
-	    (!mem->page_alignment || align_pages % mem->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_mem_type_manager *man,
-			    struct ttm_buffer_object *bo,
-			    const struct ttm_place *place,
-			    struct ttm_mem_reg *mem)
-{
-	struct vmw_thp_manager *rman = (struct vmw_thp_manager *) man->priv;
-	struct drm_mm *mm = &rman->mm;
-	struct drm_mm_node *node;
-	unsigned long align_pages;
-	unsigned long lpfn;
-	enum drm_mm_insert_mode mode = DRM_MM_INSERT_BEST;
-	int ret;
-
-	node = kzalloc(sizeof(*node), GFP_KERNEL);
-	if (!node)
-		return -ENOMEM;
-
-	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 (mem->num_pages >= align_pages) {
-			ret = vmw_thp_insert_aligned(mm, node, align_pages,
-						     place, mem, lpfn, mode);
-			if (!ret)
-				goto found_unlock;
-		}
-	}
-
-	align_pages = (HPAGE_PMD_SIZE >> PAGE_SHIFT);
-	if (mem->num_pages >= align_pages) {
-		ret = vmw_thp_insert_aligned(mm, node, align_pages, place, mem,
-					     lpfn, mode);
-		if (!ret)
-			goto found_unlock;
-	}
-
-	ret = drm_mm_insert_node_in_range(mm, node, mem->num_pages,
-					  mem->page_alignment, 0,
-					  place->fpfn, lpfn, mode);
-found_unlock:
-	spin_unlock(&rman->lock);
-
-	if (unlikely(ret)) {
-		kfree(node);
-	} else {
-		mem->mm_node = node;
-		mem->start = node->start;
-	}
-
-	return 0;
-}
-
-
-
-static void vmw_thp_put_node(struct ttm_mem_type_manager *man,
-			     struct ttm_mem_reg *mem)
-{
-	struct vmw_thp_manager *rman = (struct vmw_thp_manager *) man->priv;
-
-	if (mem->mm_node) {
-		spin_lock(&rman->lock);
-		drm_mm_remove_node(mem->mm_node);
-		spin_unlock(&rman->lock);
-
-		kfree(mem->mm_node);
-		mem->mm_node = NULL;
-	}
-}
-
-static int vmw_thp_init(struct ttm_mem_type_manager *man,
-			unsigned long p_size)
-{
-	struct vmw_thp_manager *rman;
-
-	rman = kzalloc(sizeof(*rman), GFP_KERNEL);
-	if (!rman)
-		return -ENOMEM;
-
-	drm_mm_init(&rman->mm, 0, p_size);
-	spin_lock_init(&rman->lock);
-	man->priv = rman;
-	return 0;
-}
-
-static int vmw_thp_takedown(struct ttm_mem_type_manager *man)
-{
-	struct vmw_thp_manager *rman = (struct vmw_thp_manager *) man->priv;
-	struct drm_mm *mm = &rman->mm;
-
-	spin_lock(&rman->lock);
-	if (drm_mm_clean(mm)) {
-		drm_mm_takedown(mm);
-		spin_unlock(&rman->lock);
-		kfree(rman);
-		man->priv = NULL;
-		return 0;
-	}
-	spin_unlock(&rman->lock);
-	return -EBUSY;
-}
-
-static void vmw_thp_debug(struct ttm_mem_type_manager *man,
-			  struct drm_printer *printer)
-{
-	struct vmw_thp_manager *rman = (struct vmw_thp_manager *) man->priv;
-
-	spin_lock(&rman->lock);
-	drm_mm_print(&rman->mm, printer);
-	spin_unlock(&rman->lock);
-}
-
-const struct ttm_mem_type_manager_func vmw_thp_func = {
-	.init = vmw_thp_init,
-	.takedown = vmw_thp_takedown,
-	.get_node = vmw_thp_get_node,
-	.put_node = vmw_thp_put_node,
-	.debug = vmw_thp_debug
-};