From: "Michel Dänzer" <michel@daenzer.net>
To: dri-devel@lists.freedesktop.org
Cc: Lauri Kasanen <cand@gmx.com>
Subject: [PATCH 2/5] drm/ttm: Add DRM_MM_SEARCH_BELOW for TTM_PL_FLAG_TOPDOWN
Date: Tue, 28 Oct 2014 18:35:03 +0900 [thread overview]
Message-ID: <1414488906-3924-2-git-send-email-michel@daenzer.net> (raw)
In-Reply-To: <1414488906-3924-1-git-send-email-michel@daenzer.net>
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)) {
--
2.1.1
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next prev parent reply other threads:[~2014-10-28 9:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-28 9:35 [PATCH 1/5] drm/radeon: Set TTM_PL_FLAG_TOPDOWN also for RADEON_GEM_CPU_ACCESS BOs Michel Dänzer
2014-10-28 9:35 ` Michel Dänzer [this message]
2014-10-28 9:35 ` [PATCH 3/5] drm/ttm: Use only DRM_MM_SEARCH_BELOW for TTM_PL_FLAG_TOPDOWN Michel Dänzer
2014-10-28 11:10 ` Daniel Vetter
2014-10-30 8:41 ` Michel Dänzer
2014-10-30 15:07 ` Thomas Hellstrom
2014-10-31 17:19 ` Daniel Vetter
2014-10-28 9:35 ` [PATCH 4/5] drm/ttm: Add TTM_PL_FLAG_BOTTOMUP Michel Dänzer
2014-10-30 8:36 ` [PATCH 4/4] drm/mm: Remove DRM_MM_SEARCH_BEST Michel Dänzer
2014-10-31 18:10 ` Alex Deucher
2014-11-04 8:47 ` Michel Dänzer
2014-11-04 14:30 ` Alex Deucher
2014-10-28 9:35 ` [PATCH 5/5] drm/radeon: Use TTM_PL_FLAG_BOTTOMUP Michel Dänzer
2014-10-28 10:46 ` [PATCH 1/5] drm/radeon: Set TTM_PL_FLAG_TOPDOWN also for RADEON_GEM_CPU_ACCESS BOs Lauri Kasanen
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