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drm/amdgpu: add TOPDOWN flag to the whole vram
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>
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@ -132,6 +132,8 @@ static void amdgpu_ttm_placement_init(struct amdgpu_device *adev,
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placements[c].fpfn = 0;
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placements[c].fpfn = 0;
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placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
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placements[c++].flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
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TTM_PL_FLAG_VRAM;
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TTM_PL_FLAG_VRAM;
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if (!(flags & AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED))
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placements[c - 1].flags |= TTM_PL_FLAG_TOPDOWN;
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}
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}
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if (domain & AMDGPU_GEM_DOMAIN_GTT) {
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if (domain & AMDGPU_GEM_DOMAIN_GTT) {
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