[PATCH 052/131] drm: Skip initialising the drm_mm_node->hole_stack
Chris Wilson
chris at chris-wilson.co.uk
Sat Aug 6 07:36:19 UTC 2016
As we always add this to the drm_mm->hole_stack as our first operation,
we do not need to initialise the list node.
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
Cc: David Herrmann <dh.herrmann at gmail.com>
Cc: dri-devel at lists.freedesktop.org
Reviewed-by: David Herrmann <dh.herrmann at gmail.com>
---
drivers/gpu/drm/drm_mm.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 57cb299c8594..11d44a1e0ab3 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -217,7 +217,6 @@ static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
node->color = color;
node->allocated = 1;
- INIT_LIST_HEAD(&node->hole_stack);
list_add(&node->node_list, &hole_node->node_list);
drm_mm_interval_tree_add_node(hole_node, node);
@@ -279,14 +278,13 @@ int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node)
node->mm = mm;
node->allocated = 1;
- INIT_LIST_HEAD(&node->hole_stack);
list_add(&node->node_list, &hole->node_list);
drm_mm_interval_tree_add_node(hole, node);
if (node->start == hole_start) {
hole->hole_follows = 0;
- list_del_init(&hole->hole_stack);
+ list_del(&hole->hole_stack);
}
node->hole_follows = 0;
@@ -385,7 +383,6 @@ static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
node->color = color;
node->allocated = 1;
- INIT_LIST_HEAD(&node->hole_stack);
list_add(&node->node_list, &hole_node->node_list);
drm_mm_interval_tree_add_node(hole_node, node);
@@ -842,7 +839,6 @@ void drm_mm_init(struct drm_mm * mm, u64 start, u64 size)
/* Clever trick to avoid a special case in the free hole tracking. */
INIT_LIST_HEAD(&mm->head_node.node_list);
- INIT_LIST_HEAD(&mm->head_node.hole_stack);
mm->head_node.hole_follows = 1;
mm->head_node.scanned_block = 0;
mm->head_node.scanned_prev_free = 0;
--
2.8.1
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