diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 121 |
1 files changed, 70 insertions, 51 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 5c07777d3239..c39bb06ebda1 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -622,7 +622,7 @@ int amdgpu_vm_validate(struct amdgpu_device *adev, struct amdgpu_vm *vm, pr_warn_ratelimited("Evicted user BO is not reserved\n"); if (ti) { - pr_warn_ratelimited("pid %d\n", ti->pid); + pr_warn_ratelimited("pid %d\n", ti->task.pid); amdgpu_vm_put_task_info(ti); } @@ -654,11 +654,10 @@ int amdgpu_vm_validate(struct amdgpu_device *adev, struct amdgpu_vm *vm, * Check if all VM PDs/PTs are ready for updates * * Returns: - * True if VM is not evicting. + * True if VM is not evicting and all VM entities are not stopped */ bool amdgpu_vm_ready(struct amdgpu_vm *vm) { - bool empty; bool ret; amdgpu_vm_eviction_lock(vm); @@ -666,10 +665,18 @@ bool amdgpu_vm_ready(struct amdgpu_vm *vm) amdgpu_vm_eviction_unlock(vm); spin_lock(&vm->status_lock); - empty = list_empty(&vm->evicted); + ret &= list_empty(&vm->evicted); spin_unlock(&vm->status_lock); - return ret && empty; + spin_lock(&vm->immediate.lock); + ret &= !vm->immediate.stopped; + spin_unlock(&vm->immediate.lock); + + spin_lock(&vm->delayed.lock); + ret &= !vm->delayed.stopped; + spin_unlock(&vm->delayed.lock); + + return ret; } /** @@ -754,6 +761,7 @@ 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 +769,10 @@ 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; + struct amdgpu_fence *af; unsigned int patch; int r; @@ -785,8 +795,13 @@ 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 = job->run_cleaner_shader && + 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 +812,7 @@ 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) { @@ -813,7 +826,7 @@ int amdgpu_vm_flush(struct amdgpu_ring *ring, struct amdgpu_job *job, if (spm_update_needed && adev->gfx.rlc.funcs->update_spm_vmid) adev->gfx.rlc.funcs->update_spm_vmid(adev, ring, job->vmid); - if (!ring->is_mes_queue && ring->funcs->emit_gds_switch && + if (ring->funcs->emit_gds_switch && gds_switch_needed) { amdgpu_ring_emit_gds_switch(ring, job->vmid, job->gds_base, job->gds_size, job->gws_base, @@ -821,10 +834,13 @@ 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; + /* this is part of the job's context */ + af = container_of(fence, struct amdgpu_fence, base); + af->context = job->base.s_fence ? job->base.s_fence->finished.context : 0; } if (vm_flush_needed) { @@ -843,6 +859,18 @@ 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); @@ -1254,7 +1282,7 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, struct amdgpu_bo_va *bo_va, } else { struct drm_gem_object *obj = &bo->tbo.base; - if (obj->import_attach && bo_va->is_xgmi) { + if (drm_gem_is_imported(obj) && bo_va->is_xgmi) { struct dma_buf *dma_buf = obj->import_attach->dmabuf; struct drm_gem_object *gobj = dma_buf->priv; struct amdgpu_bo *abo = gem_to_amdgpu_bo(gobj); @@ -1614,7 +1642,7 @@ int amdgpu_vm_handle_moved(struct amdgpu_device *adev, * validation */ if (vm->is_compute_context && - bo_va->base.bo->tbo.base.import_attach && + drm_gem_is_imported(&bo_va->base.bo->tbo.base) && (!bo_va->base.bo->tbo.resource || bo_va->base.bo->tbo.resource->mem_type == TTM_PL_SYSTEM)) amdgpu_vm_bo_evicted_user(&bo_va->base); @@ -2378,10 +2406,11 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size, else adev->vm_manager.fragment_size = amdgpu_vm_fragment_size; - DRM_INFO("vm size is %u GB, %u levels, block size is %u-bit, fragment size is %u-bit\n", - vm_size, adev->vm_manager.num_level + 1, - adev->vm_manager.block_size, - adev->vm_manager.fragment_size); + dev_info( + adev->dev, + "vm size is %u GB, %u levels, block size is %u-bit, fragment size is %u-bit\n", + vm_size, adev->vm_manager.num_level + 1, + adev->vm_manager.block_size, adev->vm_manager.fragment_size); } /** @@ -2392,13 +2421,11 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size, */ long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout) { - timeout = dma_resv_wait_timeout(vm->root.bo->tbo.base.resv, - DMA_RESV_USAGE_BOOKKEEP, - true, timeout); + timeout = drm_sched_entity_flush(&vm->immediate, timeout); if (timeout <= 0) return timeout; - return dma_fence_wait_timeout(vm->last_unlocked, true, timeout); + return drm_sched_entity_flush(&vm->delayed, timeout); } static void amdgpu_vm_destroy_task_info(struct kref *kref) @@ -2430,7 +2457,8 @@ amdgpu_vm_get_vm_from_pasid(struct amdgpu_device *adev, u32 pasid) */ void amdgpu_vm_put_task_info(struct amdgpu_task_info *task_info) { - kref_put(&task_info->refcount, amdgpu_vm_destroy_task_info); + if (task_info) + kref_put(&task_info->refcount, amdgpu_vm_destroy_task_info); } /** @@ -2490,11 +2518,11 @@ void amdgpu_vm_set_task_info(struct amdgpu_vm *vm) if (!vm->task_info) return; - if (vm->task_info->pid == current->pid) + if (vm->task_info->task.pid == current->pid) return; - vm->task_info->pid = current->pid; - get_task_comm(vm->task_info->task_name, current); + vm->task_info->task.pid = current->pid; + get_task_comm(vm->task_info->task.comm, current); if (current->group_leader->mm != current->mm) return; @@ -2534,8 +2562,6 @@ 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); @@ -2549,8 +2575,8 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode & AMDGPU_VM_USE_CPU_FOR_GFX); - DRM_DEBUG_DRIVER("VM update mode is %s\n", - vm->use_cpu_for_update ? "CPU" : "SDMA"); + dev_dbg(adev->dev, "VM update mode is %s\n", + vm->use_cpu_for_update ? "CPU" : "SDMA"); WARN_ONCE((vm->use_cpu_for_update && !amdgpu_gmc_vram_full_visible(&adev->gmc)), "CPU update of VM recommended only for large BAR system\n"); @@ -2592,7 +2618,7 @@ int amdgpu_vm_init(struct amdgpu_device *adev, struct amdgpu_vm *vm, r = amdgpu_vm_create_task_info(vm); if (r) - DRM_DEBUG("Failed to create task info for VM\n"); + dev_dbg(adev->dev, "Failed to create task info for VM\n"); amdgpu_bo_unreserve(vm->root.bo); amdgpu_bo_unref(&root_bo); @@ -2643,8 +2669,8 @@ int amdgpu_vm_make_compute(struct amdgpu_device *adev, struct amdgpu_vm *vm) /* Update VM state */ vm->use_cpu_for_update = !!(adev->vm_manager.vm_update_mode & AMDGPU_VM_USE_CPU_FOR_COMPUTE); - DRM_DEBUG_DRIVER("VM update mode is %s\n", - vm->use_cpu_for_update ? "CPU" : "SDMA"); + dev_dbg(adev->dev, "VM update mode is %s\n", + vm->use_cpu_for_update ? "CPU" : "SDMA"); WARN_ONCE((vm->use_cpu_for_update && !amdgpu_gmc_vram_full_visible(&adev->gmc)), "CPU update of VM recommended only for large BAR system\n"); @@ -2674,20 +2700,6 @@ 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 +2729,6 @@ 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); @@ -2775,7 +2785,7 @@ void amdgpu_vm_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm) dev_warn(adev->dev, "VM memory stats for proc %s(%d) task %s(%d) is non-zero when fini\n", - ti->process_name, ti->pid, ti->task_name, ti->tgid); + ti->process_name, ti->task.pid, ti->task.comm, ti->tgid); } amdgpu_vm_put_task_info(vm->task_info); @@ -2983,7 +2993,7 @@ bool amdgpu_vm_handle_fault(struct amdgpu_device *adev, u32 pasid, error_unlock: amdgpu_bo_unreserve(root); if (r < 0) - DRM_ERROR("Can't handle page fault (%d)\n", r); + dev_err(adev->dev, "Can't handle page fault (%d)\n", r); error_unref: amdgpu_bo_unref(&root); @@ -3157,3 +3167,12 @@ bool amdgpu_vm_is_bo_always_valid(struct amdgpu_vm *vm, struct amdgpu_bo *bo) { return bo && bo->tbo.base.resv == vm->root.bo->tbo.base.resv; } + +void amdgpu_vm_print_task_info(struct amdgpu_device *adev, + struct amdgpu_task_info *task_info) +{ + dev_err(adev->dev, + " Process %s pid %d thread %s pid %d\n", + task_info->process_name, task_info->tgid, + task_info->task.comm, task_info->task.pid); +} |