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drm/amdgpu: attach tlb fence to the PTs update

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Ensure the userq TLB flush is emitted only after
the VM update finishes and the PT BOs have been
annotated with bookkeeping fences.

Suggested-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit f3854e04b7)
Cc: stable@vger.kernel.org
This commit is contained in:
Prike Liang
2025-10-31 17:02:51 +08:00
committed by Alex Deucher
parent 8ea9023617
commit b4a7f4e7ad
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -1066,7 +1066,7 @@ amdgpu_vm_tlb_flush(struct amdgpu_vm_update_params *params,
}
/* Prepare a TLB flush fence to be attached to PTs */
if (!params->unlocked && vm->is_compute_context) {
if (!params->unlocked) {
amdgpu_vm_tlb_fence_create(params->adev, vm, fence);
/* Makes sure no PD/PT is freed before the flush */