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drm/amdgpu: Update BO eviction priorities 

Make SVM BOs more likely to get evicted than other BOs. These BOs
opportunistically use available VRAM, but can fall back relatively
seamlessly to system memory. It also avoids SVM migrations evicting
other, more important BOs as they will evict other SVM allocations
first.

Signed-off-by: Felix Kuehling <felix.kuehling@amd.com>
Acked-by: Mukul Joshi <mukul.joshi@amd.com>
Tested-by: Mukul Joshi <mukul.joshi@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Felix Kuehling 2024-04-18 13:56:42 -04:00 committed by Alex Deucher
parent d59198d2d0
commit b0b13d5321
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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@ -605,6 +605,8 @@ int amdgpu_bo_create(struct amdgpu_device *adev,
else
amdgpu_bo_placement_from_domain(bo, bp->domain);
if (bp->type == ttm_bo_type_kernel)
bo->tbo.priority = 2;
else if (!(bp->flags & AMDGPU_GEM_CREATE_DISCARDABLE))
bo->tbo.priority = 1;
if (!bp->destroy)