diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 5c07777d3239..ce52b4d75e94 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -754,6 +754,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool need_pipe_sync) { struct amdgpu_device *adev = ring->adev; + struct amdgpu_isolation *isolation = &adev->isolation[ring->xcp_id]; unsigned vmhub = ring->vm_hub; struct amdgpu_vmid_mgr *id_mgr = &adev->vm_manager.id_mgr[vmhub]; struct amdgpu_vmid *id = &id_mgr->ids[job->vmid]; @@ -761,8 +762,9 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, bool gds_switch_needed = ring->funcs->emit_gds_switch && job->gds_switch_needed; bool vm_flush_needed = job->vm_needs_flush; - struct dma_fence *fence = NULL; + bool cleaner_shader_needed = false; bool pasid_mapping_needed = false; + struct dma_fence *fence = NULL; unsigned int patch; int r; @@ -785,8 +787,12 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, pasid_mapping_needed &= adev->gmc.gmc_funcs->emit_pasid_mapping && ring->funcs->emit_wreg; + cleaner_shader_needed = adev->gfx.enable_cleaner_shader && + ring->funcs->emit_cleaner_shader && job->base.s_fence && + &job->base.s_fence->scheduled == isolation->spearhead; + if (!vm_flush_needed && !gds_switch_needed && !need_pipe_sync && - !(job->enforce_isolation && !job->vmid)) + !cleaner_shader_needed) return 0; amdgpu_ring_ib_begin(ring); @@ -797,9 +803,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, if (need_pipe_sync) amdgpu_ring_emit_pipeline_sync(ring); - if (adev->gfx.enable_cleaner_shader && - ring->funcs->emit_cleaner_shader && - job->enforce_isolation) + if (cleaner_shader_needed) ring->funcs->emit_cleaner_shader(ring); if (vm_flush_needed) { @@ -821,7 +825,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, job->oa_size); } - if (vm_flush_needed || pasid_mapping_needed) { + if (vm_flush_needed || pasid_mapping_needed || cleaner_shader_needed) { r = amdgpu_fence_emit(ring, &fence, NULL, 0); if (r) return r; @@ -843,6 +847,18 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, id->pasid_mapping = dma_fence_get(fence); mutex_unlock(&id_mgr->lock); } + + /* + * Make sure that all other submissions wait for the cleaner shader to + * finish before we push them to the HW. + */ + if (cleaner_shader_needed) { + trace_amdgpu_cleaner_shader(ring, fence); + mutex_lock(&adev->enforce_isolation_mutex); + dma_fence_put(isolation->spearhead); + isolation->spearhead = dma_fence_get(fence); + mutex_unlock(&adev->enforce_isolation_mutex); + } dma_fence_put(fence); amdgpu_ring_patch_cond_exec(ring, patch); @@ -2534,8 +2550,6 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, spin_lock_init(&vm->status_lock); INIT_LIST_HEAD(&vm->freed); INIT_LIST_HEAD(&vm->done); - INIT_LIST_HEAD(&vm->pt_freed); - INIT_WORK(&vm->pt_free_work, amdgpu_vm_pt_free_work); INIT_KFIFO(vm->faults); r = amdgpu_vm_init_entities(adev, vm); @@ -2674,20 +2688,6 @@ unreserve_bo: return r; } -/** - * amdgpu_vm_release_compute - release a compute vm - * @adev: amdgpu_device pointer - * @vm: a vm turned into compute vm by calling amdgpu_vm_make_compute - * - * This is a correspondant of amdgpu_vm_make_compute. It decouples compute - * pasid from vm. Compute should stop use of vm after this call. - */ -void amdgpu_vm_release_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) -{ - amdgpu_vm_set_pasid(adev, vm, 0); - vm->is_compute_context = false; -} - static int amdgpu_vm_stats_is_zero(struct amdgpu_vm *vm) { for (int i = 0; i < __AMDGPU_PL_NUM; ++i) { @@ -2717,8 +2717,6 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) amdgpu_amdkfd_gpuvm_destroy_cb(adev, vm); - flush_work(&vm->pt_free_work); - root = amdgpu_bo_ref(vm->root.bo); amdgpu_bo_reserve(root, true); amdgpu_vm_set_pasid(adev, vm, 0); |