From e6ed364efae39455cb1d6b1895a1d31599608a2b Mon Sep 17 00:00:00 2001 From: Felix Kuehling Date: Wed, 16 Mar 2022 18:46:56 -0400 Subject: drm/amdgpu: update mappings not managed by KFD MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit When restoring after an eviction, use amdgpu_vm_handle_moved to update BO VA mappings in KFD VMs that are not managed through the KFD API. This should allow using the render node API to create more flexible memory mappings in KFD VMs. v2: rebase on drm_exec changes (Alex) Signed-off-by: Felix Kuehling Acked-by: Christian König Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 28 +++++++++++++++++++----- 1 file changed, 22 insertions(+), 6 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index 41fbc4fd0fac..b98c0969d3be 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -2825,12 +2825,6 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef) if (ret) goto validate_map_fail; - ret = process_sync_pds_resv(process_info, &sync_obj); - if (ret) { - pr_debug("Memory eviction: Failed to sync to PD BO moving fence. Try again\n"); - goto validate_map_fail; - } - /* Validate BOs and map them to GPUVM (update VM page tables). */ list_for_each_entry(mem, &process_info->kfd_bo_list, validate_list) { @@ -2881,6 +2875,19 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef) if (failed_size) pr_debug("0x%lx/0x%lx in system\n", failed_size, total_size); + /* Update mappings not managed by KFD */ + list_for_each_entry(peer_vm, &process_info->vm_list_head, + vm_list_node) { + struct amdgpu_device *adev = amdgpu_ttm_adev( + peer_vm->root.bo->tbo.bdev); + + ret = amdgpu_vm_handle_moved(adev, peer_vm, &exec.ticket); + if (ret) { + pr_debug("Memory eviction: handle moved failed. Try again\n"); + goto validate_map_fail; + } + } + /* Update page directories */ ret = process_update_pds(process_info, &sync_obj); if (ret) { @@ -2888,6 +2895,15 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef) goto validate_map_fail; } + /* Sync with fences on all the page tables. They implicitly depend on any + * move fences from amdgpu_vm_handle_moved above. + */ + ret = process_sync_pds_resv(process_info, &sync_obj); + if (ret) { + pr_debug("Memory eviction: Failed to sync to PD BO moving fence. Try again\n"); + goto validate_map_fail; + } + /* Wait for validate and PT updates to finish */ amdgpu_sync_wait(&sync_obj, false); -- cgit v1.2.3-70-g09d2