From: Chris Wilson Date: Wed, 3 Aug 2016 15:04:11 +0000 (+0100) Subject: drm: Skip initialising the drm_mm_node->hole_stack X-Git-Tag: v5.15~12629^2~43^2~39 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a787900564ffc6eebbcb7086b45e04a0bc3370f0;p=platform%2Fkernel%2Flinux-starfive.git drm: Skip initialising the drm_mm_node->hole_stack 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 Cc: David Herrmann Cc: dri-devel@lists.freedesktop.org Reviewed-by: David Herrmann Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/1470236651-678-3-git-send-email-chris@chris-wilson.co.uk --- diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 5c188c5..3f56d4b 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); @@ -276,14 +275,13 @@ 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; @@ -379,7 +377,6 @@ 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); @@ -833,7 +830,6 @@ 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;