tjh.dev / kernel
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drm/amdgpu: attach tlb fence to the PTs update

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>

authored by

Prike Liang and committed by
Alex Deucher f3854e04 08970263

+1 -1
+1 -1
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
··· 1069 1069 } 1070 1070 1071 1071 /* Prepare a TLB flush fence to be attached to PTs */ 1072 - if (!params->unlocked && vm->is_compute_context) { 1072 + if (!params->unlocked) { 1073 1073 amdgpu_vm_tlb_fence_create(params->adev, vm, fence); 1074 1074 1075 1075 /* Makes sure no PD/PT is freed before the flush */