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Commit 95d79183 authored by Chunming Zhou's avatar Chunming Zhou Committed by Alex Deucher
Browse files

drm/amdgpu: add TOPDOWN flag to the whole vram 



need to decrease visible vram usage by default.

Signed-off-by: default avatarChunming Zhou <david1.zhou@amd.com>
Reviewed-by: default avatarmonk.liu <monk.liu@amd.com>
Reviewed-by: default avatarChristian König <christian.koenig@amd.com>
parent a2ef8a97

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

+2 −0
Original line number Diff line number Diff line
@@ -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) {