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drm/amdgpu: KFD Restore process: Optimize waiting

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Instead of waiting for each KFD BO after validation just wait for the
last BO moving fence.

Signed-off-by: Harish Kasiviswanathan <Harish.Kasiviswanathan@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Harish Kasiviswanathan 2018-02-28 11:50:10 -05:00 committed by Alex Deucher
parent 9130cc01d1
commit 3d97da4463
1 changed files with 8 additions and 5 deletions
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13
drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
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@ -2084,7 +2084,12 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
pr_debug("Memory eviction: Validate BOs failed. Try again\n");
goto validate_map_fail;
}
ret = amdgpu_sync_fence(amdgpu_ttm_adev(bo->tbo.bdev),
&sync_obj, bo->tbo.moving, false);
if (ret) {
pr_debug("Memory eviction: Sync BO fence failed. Try again\n");
goto validate_map_fail;
}
list_for_each_entry(bo_va_entry, &mem->bo_va_list,
bo_list) {
ret = update_gpuvm_pte((struct amdgpu_device *)
@ -2105,6 +2110,7 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
goto validate_map_fail;
}
/* Wait for validate and PT updates to finish */
amdgpu_sync_wait(&sync_obj, false);
/* Release old eviction fence and create new one, because fence only
@ -2123,10 +2129,7 @@ int amdgpu_amdkfd_gpuvm_restore_process_bos(void *info, struct dma_fence **ef)
process_info->eviction_fence = new_fence;
*ef = dma_fence_get(&new_fence->base);
/* Wait for validate to finish and attach new eviction fence */
list_for_each_entry(mem, &process_info->kfd_bo_list,
validate_list.head)
ttm_bo_wait(&mem->bo->tbo, false, false);
/* Attach new eviction fence to all BOs */
list_for_each_entry(mem, &process_info->kfd_bo_list,
validate_list.head)
amdgpu_bo_fence(mem->bo,