Re: [PATCH 6/6] drm/amdgpu: use the new drm_exec object for CS v2

[Tatsuyuki Ishi <ishitatsuyuki@gmail.com>]

On 6/28/23 19:44, Christian König wrote:
> @@ -958,18 +904,57 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
>   		e->user_invalidated = userpage_invalidated;
>   	}
>   
> -	r = ttm_eu_reserve_buffers(&p->ticket, &p->validated, true,
> -				   &duplicates);
> -	if (unlikely(r != 0)) {
> -		if (r != -ERESTARTSYS)
> -			DRM_ERROR("ttm_eu_reserve_buffers failed.\n");
> -		goto out_free_user_pages;
> +	drm_exec_until_all_locked(&p->exec) {
> +		r = amdgpu_vm_lock_pd(&fpriv->vm, &p->exec, 1 + p->gang_size);
> +		drm_exec_retry_on_contention(&p->exec);
> +		if (unlikely(r))
> +			goto out_free_user_pages;
> +
> +		amdgpu_bo_list_for_each_entry(e, p->bo_list) {
> +			/* One fence for TTM and one for each CS job */
> +			r = drm_exec_prepare_obj(&p->exec, &e->bo->tbo.base,
> +						 1 + p->gang_size);
> +			drm_exec_retry_on_contention(&p->exec);
> +			if (unlikely(r))
> +				goto out_free_user_pages;
> +
> +			e->bo_va = amdgpu_vm_bo_find(vm, e->bo);
> +			e->range = NULL;
Still leaking.
> +		}
> +
> +		if (p->uf_bo) {
> +			r = drm_exec_prepare_obj(&p->exec, &p->uf_bo->tbo.base,
> +						 1 + p->gang_size);
> +			drm_exec_retry_on_contention(&p->exec);
> +			if (unlikely(r))
> +				goto out_free_user_pages;
> +		}
>   	}