[Intel-gfx] [PATCH 4/8] drm/i915: add top-down alloc support to i915

[Arunpravin]

add top down allocation support to i915 driver

Signed-off-by: Arunpravin <Arunpravin.PaneerSelvam at amd.com>
---
 drivers/gpu/drm/i915/i915_ttm_buddy_manager.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
index 75197ba6e40d..963468228392 100644
--- a/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
+++ b/drivers/gpu/drm/i915/i915_ttm_buddy_manager.c
@@ -53,6 +53,9 @@ static int i915_ttm_buddy_man_alloc(struct ttm_resource_manager *man,
 	INIT_LIST_HEAD(&bman_res->blocks);
 	bman_res->mm = mm;
 
+	if (place->flags & TTM_PL_FLAG_TOPDOWN)
+		bman_res->flags |= DRM_BUDDY_TOPDOWN_ALLOCATION;
+
 	if (place->fpfn || lpfn != man->size)
 		bman_res->flags |= DRM_BUDDY_RANGE_ALLOCATION;
 
-- 
2.25.1