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drm/amdgpu: add TOPDOWN flag to the whole vram

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need to decrease visible vram usage by default.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: monk.liu <monk.liu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
This commit is contained in:
Chunming Zhou 2015-09-23 17:22:43 +08:00 committed by Alex Deucher
parent a2ef8a9749
commit 95d7918323
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -132,6 +132,8 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev,
placements[c].fpfn = 0;
placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM;
if (!(flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED))
placements[c - 1].flags |= TTM_PL_FLAG_TOPDOWN;
}
if (domain & AMDGPU_GEM_DOMAIN_GTT) {