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drm/amdgpu: use top down allocation for non-CPU accessible vram 

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>
This commit is contained in:
Alex Deucher 2015-09-02 15:06:08 -04:00
parent 857d913d05
commit cace5dce55
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
View File

@ -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 |