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From cace5dce5581a5a1232b68e1bc7b778ff40c328b Mon Sep 17 00:00:00 2001
From: Alex Deucher <alexander.deucher@amd.com>
Date: Wed, 2 Sep 2015 15:06:08 -0400
Subject: [PATCH 0526/1050] drm/amdgpu: use top down allocation for non-CPU
accessible vram
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Should help avoid fragmentation of vram due to CPU access
requirements.
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 57adcad..08b09d5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -127,7 +127,7 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev,
placements[c].fpfn =
adev->mc.visible_vram_size >> PAGE_SHIFT;
placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
- TTM_PL_FLAG_VRAM;
+ TTM_PL_FLAG_VRAM | TTM_PL_FLAG_TOPDOWN;
}
placements[c].fpfn = 0;
placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
--
1.9.1
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