RE: [PATCH 1/1] Revert "drm/amdkfd: Free queue after unmap queue success"

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> -----Original Message-----
> From: amd-gfx <amd-gfx-bounces@xxxxxxxxxxxxxxxxxxxxx> On Behalf Of Philip
> Yang
> Sent: Monday, June 27, 2022 1:32 PM
> To: amd-gfx@xxxxxxxxxxxxxxxxxxxxx
> Cc: Yang, Philip <Philip.Yang@xxxxxxx>
> Subject: [PATCH 1/1] Revert "drm/amdkfd: Free queue after unmap queue
> success"
> 
> This reverts commit 150c1266d78fbaa0fc5f89461daafae416db1c3e.
> 
> This causes KFDTest regression on gfx9, will submit new patch after fixing.

Which test?  Also, missing your s-o-b.  With that fixed:
Acked-by: Alex Deucher <alexander.deucher@xxxxxxx>

> ---
>  .../drm/amd/amdkfd/kfd_device_queue_manager.c | 28 ++++++++-----------
>  .../amd/amdkfd/kfd_process_queue_manager.c    |  2 +-
>  2 files changed, 12 insertions(+), 18 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> index 21e451acfa59..93a0b6995430 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> @@ -1881,22 +1881,6 @@ static int destroy_queue_cpsch(struct
> device_queue_manager *dqm,
> 
>  	}
> 
> -	if (q->properties.is_active) {
> -		if (!dqm->dev->shared_resources.enable_mes) {
> -			retval = execute_queues_cpsch(dqm,
> -
> KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
> -			if (retval == -ETIME)
> -				qpd->reset_wavefronts = true;
> -		} else {
> -			retval = remove_queue_mes(dqm, q, qpd);
> -		}
> -
> -		if (retval)
> -			goto failed_unmap_queue;
> -
> -		decrement_queue_count(dqm, qpd, q);
> -	}
> -
>  	mqd_mgr = dqm->mqd_mgrs[get_mqd_type_from_queue_type(
>  			q->properties.type)];
> 
> @@ -1910,6 +1894,17 @@ static int destroy_queue_cpsch(struct
> device_queue_manager *dqm,
> 
>  	list_del(&q->list);
>  	qpd->queue_count--;
> +	if (q->properties.is_active) {
> +		if (!dqm->dev->shared_resources.enable_mes) {
> +			decrement_queue_count(dqm, qpd, q);
> +			retval = execute_queues_cpsch(dqm,
> +
> KFD_UNMAP_QUEUES_FILTER_DYNAMIC_QUEUES, 0);
> +			if (retval == -ETIME)
> +				qpd->reset_wavefronts = true;
> +		} else {
> +			retval = remove_queue_mes(dqm, q, qpd);
> +		}
> +	}
> 
>  	/*
>  	 * Unconditionally decrement this counter, regardless of the queue's
> @@ -1926,7 +1921,6 @@ static int destroy_queue_cpsch(struct
> device_queue_manager *dqm,
> 
>  	return retval;
> 
> -failed_unmap_queue:
>  failed_try_destroy_debugged_queue:
> 
>  	dqm_unlock(dqm);
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
> b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
> index a46e2a37b4a6..c9c205df4a14 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_process_queue_manager.c
> @@ -422,6 +422,7 @@ int pqm_destroy_queue(struct
> process_queue_manager *pqm, unsigned int qid)
>  	}
> 
>  	if (pqn->q) {
> +		kfd_procfs_del_queue(pqn->q);
>  		dqm = pqn->q->device->dqm;
>  		retval = dqm->ops.destroy_queue(dqm, &pdd->qpd, pqn->q);
>  		if (retval) {
> @@ -445,7 +446,6 @@ int pqm_destroy_queue(struct
> process_queue_manager *pqm, unsigned int qid)
>  				amdgpu_amdkfd_free_gtt_mem(dev->adev,
> pqn->q->wptr_bo);
> 
>  		}
> -		kfd_procfs_del_queue(pqn->q);
>  		uninit_queue(pqn->q);
>  	}
> 
> --
> 2.35.1




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