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authorChris Wilson <chris@chris-wilson.co.uk>2016-12-22 08:36:37 +0000
committerDaniel Vetter <daniel.vetter@ffwll.ch>2016-12-28 13:30:24 +0100
commit3f85fb3462dc1c87a9353eb38714468d46248b2e (patch)
tree0b992d89057a98e2c10452db13f4ad439bb8f074 /drivers/gpu/drm/drm_mm.c
parent3fa489dabea9a1cb0656e2da90354f7c4e53f890 (diff)
downloadlinux-3f85fb3462dc1c87a9353eb38714468d46248b2e.tar.bz2
drm: Wrap drm_mm_node.hole_follows
Insulate users from changes to the internal hole tracking within struct drm_mm_node by using an accessor for hole_follows. Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com> [danvet: resolve conflicts in i915_vma.c] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
-rw-r--r--drivers/gpu/drm/drm_mm.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index b59978fe4c6e..c0024719f32b 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -323,7 +323,7 @@ int drm_mm_reserve_node(struct drm_mm *mm, struct drm_mm_node *node)
}
hole = list_last_entry(&hole->node_list, typeof(*hole), node_list);
- if (!hole->hole_follows)
+ if (!drm_mm_hole_follows(hole))
return -ENOSPC;
adj_start = hole_start = __drm_mm_hole_node_start(hole);
@@ -408,7 +408,7 @@ static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
u64 adj_start = hole_start;
u64 adj_end = hole_end;
- DRM_MM_BUG_ON(!hole_node->hole_follows || node->allocated);
+ DRM_MM_BUG_ON(!drm_mm_hole_follows(hole_node) || node->allocated);
if (adj_start < start)
adj_start = start;
@@ -523,16 +523,16 @@ void drm_mm_remove_node(struct drm_mm_node *node)
prev_node =
list_entry(node->node_list.prev, struct drm_mm_node, node_list);
- if (node->hole_follows) {
+ if (drm_mm_hole_follows(node)) {
DRM_MM_BUG_ON(__drm_mm_hole_node_start(node) ==
__drm_mm_hole_node_end(node));
list_del(&node->hole_stack);
- } else
+ } else {
DRM_MM_BUG_ON(__drm_mm_hole_node_start(node) !=
__drm_mm_hole_node_end(node));
+ }
-
- if (!prev_node->hole_follows) {
+ if (!drm_mm_hole_follows(prev_node)) {
prev_node->hole_follows = 1;
list_add(&prev_node->hole_stack, &mm->hole_stack);
} else