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drm/amdgpu: Avoid setting off KFD eviction fences in amdgpu_vm

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Use FENCE_OWNER_KFD to synchronize PT/PD initialization and clearing
of page table entries. This avoids triggering KFD eviction fences on
the PD reservation objects of compute VMs.

Signed-off-by: Felix Kuehling <Felix.Kuehling@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 2019-02-07 12:08:14 -05:00 committed by Alex Deucher
parent c60cd590cb
commit 8db588d5d3
1 changed files with 3 additions and 3 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -828,7 +828,7 @@ static int amdgpu_vm_clear_bo(struct amdgpu_device *adev,
WARN_ON(job->ibs[0].length_dw > 64); WARN_ON(job->ibs[0].length_dw > 64);
r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv, r = amdgpu_sync_resv(adev, &job->sync, bo->tbo.resv,
AMDGPU_FENCE_OWNER_UNDEFINED, false); AMDGPU_FENCE_OWNER_KFD, false);
if (r) if (r)
goto error_free; goto error_free;
@ -1748,9 +1748,9 @@ static int amdgpu_vm_bo_update_mapping(struct amdgpu_device *adev,
params.adev = adev; params.adev = adev;
params.vm = vm; params.vm = vm;
/* sync to everything on unmapping */ /* sync to everything except eviction fences on unmapping */
if (!(flags & AMDGPU_PTE_VALID)) if (!(flags & AMDGPU_PTE_VALID))
owner = AMDGPU_FENCE_OWNER_UNDEFINED; owner = AMDGPU_FENCE_OWNER_KFD;
if (vm->use_cpu_for_update) { if (vm->use_cpu_for_update) {
/* params.src is used as flag to indicate system Memory */ /* params.src is used as flag to indicate system Memory */