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path: root/drivers/gpu/drm/ttm/ttm_bo_manager.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_bo_manager.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_bo_manager.c62
1 files changed, 30 insertions, 32 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c
index 038e947d00f..bd850c9f4bc 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_manager.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c
@@ -28,10 +28,10 @@
* Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
*/
-#include "ttm/ttm_module.h"
-#include "ttm/ttm_bo_driver.h"
-#include "ttm/ttm_placement.h"
-#include "drm_mm.h"
+#include <drm/ttm/ttm_module.h>
+#include <drm/ttm/ttm_bo_driver.h>
+#include <drm/ttm/ttm_placement.h>
+#include <drm/drm_mm.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include <linux/module.h>
@@ -55,34 +55,36 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,
struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
struct drm_mm *mm = &rman->mm;
struct drm_mm_node *node = NULL;
+ enum drm_mm_allocator_flags aflags = DRM_MM_CREATE_DEFAULT;
unsigned long lpfn;
int ret;
lpfn = placement->lpfn;
if (!lpfn)
lpfn = man->size;
- do {
- ret = drm_mm_pre_get(mm);
- if (unlikely(ret))
- return ret;
- spin_lock(&rman->lock);
- node = drm_mm_search_free_in_range(mm,
- mem->num_pages, mem->page_alignment,
- placement->fpfn, lpfn, 1);
- if (unlikely(node == NULL)) {
- spin_unlock(&rman->lock);
- return 0;
- }
- node = drm_mm_get_block_atomic_range(node, mem->num_pages,
- mem->page_alignment,
- placement->fpfn,
- lpfn);
- spin_unlock(&rman->lock);
- } while (node == NULL);
+ node = kzalloc(sizeof(*node), GFP_KERNEL);
+ if (!node)
+ return -ENOMEM;
+
+ if (bo->mem.placement & TTM_PL_FLAG_TOPDOWN)
+ aflags = DRM_MM_CREATE_TOP;
+
+ spin_lock(&rman->lock);
+ ret = drm_mm_insert_node_in_range_generic(mm, node, mem->num_pages,
+ mem->page_alignment, 0,
+ placement->fpfn, lpfn,
+ DRM_MM_SEARCH_BEST,
+ aflags);
+ spin_unlock(&rman->lock);
+
+ if (unlikely(ret)) {
+ kfree(node);
+ } else {
+ mem->mm_node = node;
+ mem->start = node->start;
+ }
- mem->mm_node = node;
- mem->start = node->start;
return 0;
}
@@ -93,8 +95,10 @@ static void ttm_bo_man_put_node(struct ttm_mem_type_manager *man,
if (mem->mm_node) {
spin_lock(&rman->lock);
- drm_mm_put_block(mem->mm_node);
+ drm_mm_remove_node(mem->mm_node);
spin_unlock(&rman->lock);
+
+ kfree(mem->mm_node);
mem->mm_node = NULL;
}
}
@@ -103,18 +107,12 @@ static int ttm_bo_man_init(struct ttm_mem_type_manager *man,
unsigned long p_size)
{
struct ttm_range_manager *rman;
- int ret;
rman = kzalloc(sizeof(*rman), GFP_KERNEL);
if (!rman)
return -ENOMEM;
- ret = drm_mm_init(&rman->mm, 0, p_size);
- if (ret) {
- kfree(rman);
- return ret;
- }
-
+ drm_mm_init(&rman->mm, 0, p_size);
spin_lock_init(&rman->lock);
man->priv = rman;
return 0;