From: Michel Dänzer <michel.daenzer@xxxxxxx>
If the BO should be placed at the top of the area, we should start looking
for holes from the top.
Signed-off-by: Michel Dänzer <michel.daenzer@xxxxxxx>
---
drivers/gpu/drm/ttm/ttm_bo_manager.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/ttm/ttm_bo_manager.c b/drivers/gpu/drm/ttm/ttm_bo_manager.c
index 964387f..1e93f6c 100644
--- a/drivers/gpu/drm/ttm/ttm_bo_manager.c
+++ b/drivers/gpu/drm/ttm/ttm_bo_manager.c
@@ -55,6 +55,7 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,
struct ttm_range_manager *rman = (struct ttm_range_manager *) man->priv;
struct drm_mm *mm = &rman->mm;
struct drm_mm_node *node = NULL;
+ enum drm_mm_search_flags sflags = DRM_MM_SEARCH_BEST;
enum drm_mm_allocator_flags aflags = DRM_MM_CREATE_DEFAULT;
unsigned long lpfn;
int ret;
@@ -67,15 +68,16 @@ static int ttm_bo_man_get_node(struct ttm_mem_type_manager *man,
if (!node)
return -ENOMEM;
- if (place->flags & TTM_PL_FLAG_TOPDOWN)
+ if (place->flags & TTM_PL_FLAG_TOPDOWN) {
+ sflags |= DRM_MM_SEARCH_BELOW;
aflags = DRM_MM_CREATE_TOP;
+ }
spin_lock(&rman->lock);
ret = drm_mm_insert_node_in_range_generic(mm, node, mem->num_pages,
mem->page_alignment, 0,
place->fpfn, lpfn,
- DRM_MM_SEARCH_BEST,
- aflags);
+ sflags, aflags);
spin_unlock(&rman->lock);
if (unlikely(ret)) {
--
2.1.1
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