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From 08eef459908cea9663347fa97ed87f959c65033c Mon Sep 17 00:00:00 2001
From: Flora Cui <Flora.Cui@amd.com>
Date: Thu, 1 Sep 2016 12:33:01 +0800
Subject: [PATCH 0781/4131] drm/amdgpu: add AMDGPU_GEM_CREATE_TOP_DOWN flag
so that the buffer could be allocated from the top of domain
Change-Id: I82aa03cee718d709f8a6b545fe3f9557185b49f8
Signed-off-by: Flora Cui <Flora.Cui@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Conflicts:
drivers/gpu/drm/amd/include/uapi/drm/amdgpu_drm.h
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index d8e1b7e..cb5fce1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -77,7 +77,7 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev,
struct ttm_place *places,
u32 domain, u64 flags)
{
- u32 c = 0;
+ u32 c = 0, i;
if ((domain & AMDGPU_GEM_DOMAIN_DGMA) && amdgpu_direct_gma_size) {
places[c].fpfn = 0;
@@ -168,6 +168,10 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev,
c++;
}
+ for (i = 0; i < c; i++)
+ if (flags & AMDGPU_GEM_CREATE_TOP_DOWN)
+ places[i].flags |= TTM_PL_FLAG_TOPDOWN;
+
placement->num_placement = c;
placement->placement = places;
--
2.7.4
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