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authorDaniel Vetter <daniel.vetter@ffwll.ch>2011-02-18 19:59:13 +0300
committerDave Airlie <airlied@redhat.com>2011-02-23 03:32:43 +0300
commit9fc935debb33d90bf302ba42f7234b78e322f195 (patch)
treefbd6cf17edf2761103956eecc5e6f7ac04d240a8 /drivers/gpu/drm/drm_mm.c
parentea7b1dd44867e9cd6bac67e7c9fc3f128b5b255c (diff)
downloadlinux-9fc935debb33d90bf302ba42f7234b78e322f195.tar.xz
drm: mm: extract node insert helper functions
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
-rw-r--r--drivers/gpu/drm/drm_mm.c67
1 files changed, 42 insertions, 25 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 4fa33e1283af..fecb4063c018 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -115,24 +115,15 @@ static inline unsigned long drm_mm_hole_node_end(struct drm_mm_node *hole_node)
return next_node->start;
}
-struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *hole_node,
- unsigned long size,
- unsigned alignment,
- int atomic)
+static void drm_mm_insert_helper(struct drm_mm_node *hole_node,
+ struct drm_mm_node *node,
+ unsigned long size, unsigned alignment)
{
-
- struct drm_mm_node *node;
struct drm_mm *mm = hole_node->mm;
unsigned long tmp = 0, wasted = 0;
unsigned long hole_start = drm_mm_hole_node_start(hole_node);
unsigned long hole_end = drm_mm_hole_node_end(hole_node);
- BUG_ON(!hole_node->hole_follows);
-
- node = drm_mm_kmalloc(mm, atomic);
- if (unlikely(node == NULL))
- return NULL;
-
if (alignment)
tmp = hole_start % alignment;
@@ -157,30 +148,37 @@ struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *hole_node,
} else {
node->hole_follows = 0;
}
+}
+
+struct drm_mm_node *drm_mm_get_block_generic(struct drm_mm_node *hole_node,
+ unsigned long size,
+ unsigned alignment,
+ int atomic)
+{
+ struct drm_mm_node *node;
+
+ BUG_ON(!hole_node->hole_follows);
+
+ node = drm_mm_kmalloc(hole_node->mm, atomic);
+ if (unlikely(node == NULL))
+ return NULL;
+
+ drm_mm_insert_helper(hole_node, node, size, alignment);
return node;
}
EXPORT_SYMBOL(drm_mm_get_block_generic);
-struct drm_mm_node *drm_mm_get_block_range_generic(struct drm_mm_node *hole_node,
- unsigned long size,
- unsigned alignment,
- unsigned long start,
- unsigned long end,
- int atomic)
+static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
+ struct drm_mm_node *node,
+ unsigned long size, unsigned alignment,
+ unsigned long start, unsigned long end)
{
- struct drm_mm_node *node;
struct drm_mm *mm = hole_node->mm;
unsigned long tmp = 0, wasted = 0;
unsigned long hole_start = drm_mm_hole_node_start(hole_node);
unsigned long hole_end = drm_mm_hole_node_end(hole_node);
- BUG_ON(!hole_node->hole_follows);
-
- node = drm_mm_kmalloc(mm, atomic);
- if (unlikely(node == NULL))
- return NULL;
-
if (hole_start < start)
wasted += start - hole_start;
if (alignment)
@@ -210,6 +208,25 @@ struct drm_mm_node *drm_mm_get_block_range_generic(struct drm_mm_node *hole_node
} else {
node->hole_follows = 0;
}
+}
+
+struct drm_mm_node *drm_mm_get_block_range_generic(struct drm_mm_node *hole_node,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long start,
+ unsigned long end,
+ int atomic)
+{
+ struct drm_mm_node *node;
+
+ BUG_ON(!hole_node->hole_follows);
+
+ node = drm_mm_kmalloc(hole_node->mm, atomic);
+ if (unlikely(node == NULL))
+ return NULL;
+
+ drm_mm_insert_helper_range(hole_node, node, size, alignment,
+ start, end);
return node;
}