p71924506
/
linux_old1
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

drm/ttm: Add DRM_MM_SEARCH_BELOW for TTM_PL_FLAG_TOPDOWN 

If the BO should be placed at the top of the area, we should start looking
for holes from the top.

Reviewed-by: Lauri Kasanen <cand@gmx.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Michel Dänzer 2014-10-28 18:35:03 +09:00 committed by Alex Deucher
parent a8b5ebe6b5
commit c165812cbf
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/gpu/drm/ttm/ttm_bo_manager.c
View File

@ -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)) {