Required by i915 in order to avoid the allocation in the middle of
manipulating the drm_mm lists.
Use a pair of stubs to preserve the existing EXPORT_SYMBOLs for
backporting; to be removed later.
Cc: Dave Airlie <airlied at redhat.com>
Cc: dri-devel at lists.freedesktop.org
Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
---
drivers/gpu/drm/drm_mm.c | 42 ++++++++++++++++++++++++++++++------------
include/drm/drm_mm.h | 27 +++++++++++++++++++++++----
2 files changed, 53 insertions(+), 16 deletions(-)
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index 0761a03..d93dc05 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -184,19 +184,27 @@ EXPORT_SYMBOL(drm_mm_get_block_generic);
* -ENOSPC if no suitable free area is available. The preallocated memory node
* must be cleared.
*/
-int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node,
- unsigned long size, unsigned alignment)
+int drm_mm_insert_node_generic(struct drm_mm *mm, struct drm_mm_node *node,
+ unsigned long size, unsigned alignment,
+ unsigned long color, int atomic)
{
struct drm_mm_node *hole_node;
- hole_node = drm_mm_search_free(mm, size, alignment, false);
+ hole_node = drm_mm_search_free_generic(mm, size, alignment,
+ color, atomic);
if (!hole_node)
return -ENOSPC;
- drm_mm_insert_helper(hole_node, node, size, alignment, 0);
-
+ drm_mm_insert_helper(hole_node, node, size, alignment, color);
return 0;
}
+EXPORT_SYMBOL(drm_mm_insert_node_generic);
+
+int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node,
+ unsigned long size, unsigned alignment)
+{
+ return drm_mm_insert_node_generic(mm, node, size, alignment, 0, false);
+}
EXPORT_SYMBOL(drm_mm_insert_node);
static void drm_mm_insert_helper_range(struct drm_mm_node *hole_node,
@@ -275,22 +283,32 @@ EXPORT_SYMBOL(drm_mm_get_block_range_generic);
* -ENOSPC if no suitable free area is available. This is for range
* restricted allocations. The preallocated memory node must be cleared.
*/
-int drm_mm_insert_node_in_range(struct drm_mm *mm, struct drm_mm_node *node,
- unsigned long size, unsigned alignment,
- unsigned long start, unsigned long end)
+int drm_mm_insert_node_in_range_generic(struct drm_mm *mm, struct drm_mm_node *node,
+ unsigned long size, unsigned alignment, unsigned long color,
+ unsigned long start, unsigned long end,
+ int atomic)
{
struct drm_mm_node *hole_node;
- hole_node = drm_mm_search_free_in_range(mm, size, alignment,
- start, end, false);
+ hole_node = drm_mm_search_free_in_range_generic(mm,
+ size, alignment, color,
+ start, end, atomic);
if (!hole_node)
return -ENOSPC;
- drm_mm_insert_helper_range(hole_node, node, size, alignment, 0,
+ drm_mm_insert_helper_range(hole_node, node,
+ size, alignment, color,
start, end);
-
return 0;
}
+EXPORT_SYMBOL(drm_mm_insert_node_in_range_generic);
+
+int drm_mm_insert_node_in_range(struct drm_mm *mm, struct drm_mm_node *node,
+ unsigned long size, unsigned alignment,
+ unsigned long start, unsigned long end)
+{
+ return drm_mm_insert_node_in_range_generic(mm, node, size, alignment, 0, start, end, false);
+}
EXPORT_SYMBOL(drm_mm_insert_node_in_range);
/**
diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h
index 06d7f79..87b0968 100644
--- a/include/drm/drm_mm.h
+++ b/include/drm/drm_mm.h
@@ -158,12 +158,31 @@ static inline struct drm_mm_node *drm_mm_get_block_atomic_range(
return drm_mm_get_block_range_generic(parent, size, alignment, 0,
start, end, 1);
}
-extern int drm_mm_insert_node(struct drm_mm *mm, struct drm_mm_node *node,
- unsigned long size, unsigned alignment);
+
+extern int drm_mm_insert_node(struct drm_mm *mm,
+ struct drm_mm_node *node,
+ unsigned long size,
+ unsigned alignment);
extern int drm_mm_insert_node_in_range(struct drm_mm *mm,
struct drm_mm_node *node,
- unsigned long size, unsigned alignment,
- unsigned long start, unsigned long end);
+ unsigned long size,
+ unsigned alignment,
+ unsigned long start,
+ unsigned long end);
+extern int drm_mm_insert_node_generic(struct drm_mm *mm,
+ struct drm_mm_node *node,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color,
+ int atomic);
+extern int drm_mm_insert_node_in_range_generic(struct drm_mm *mm,
+ struct drm_mm_node *node,
+ unsigned long size,
+ unsigned alignment,
+ unsigned long color,
+ unsigned long start,
+ unsigned long end,
+ int atomic);
extern void drm_mm_put_block(struct drm_mm_node *cur);
extern void drm_mm_remove_node(struct drm_mm_node *node);
extern void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new);
--
1.7.10.4
