From: Michel Dänzer michel.daenzer@amd.com
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@amd.com --- 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)) {