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Commit c2e1b3a4 authored by Ben Goz's avatar Ben Goz Committed by Oded Gabbay
Browse files

drm/amdkfd: Fix logic of destroy_queue_nocpsch() 



This patch rewrites destroy_queue_nocpsch() as the current logic that is
implemented in the function is completely flawed.

This function is used only in non-HWS mode.

Signed-off-by: default avatarBen Goz <ben.goz@amd.com>
Signed-off-by: default avatarOded Gabbay <oded.gabbay@amd.com>
Acked-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent 04df25d1

drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c

+18 −18
Original line number Diff line number Diff line
@@ -294,7 +294,8 @@ static int destroy_queue_nocpsch(struct device_queue_manager *dqm, 
				struct queue *q)

{

	int retval;

	struct mqd_manager *mqd, *mqd_sdma;

	struct mqd_manager *mqd;



	BUG_ON(!dqm || !q || !q->mqd || !qpd);



	retval = 0;
@@ -302,33 +303,32 @@ static int destroy_queue_nocpsch(struct device_queue_manager *dqm, 
	pr_debug("kfd: In Func %s\n", __func__);



	mutex_lock(&dqm->lock);



	if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE) {

		mqd = dqm->get_mqd_manager(dqm, KFD_MQD_TYPE_COMPUTE);

		if (mqd == NULL) {

			retval = -ENOMEM;

			goto out;

		}



	mqd_sdma = dqm->get_mqd_manager(dqm, KFD_MQD_TYPE_SDMA);

	if (mqd_sdma == NULL) {

		mutex_unlock(&dqm->lock);

		return -ENOMEM;

		deallocate_hqd(dqm, q);

	} else if (q->properties.type == KFD_QUEUE_TYPE_SDMA) {

		mqd = dqm->get_mqd_manager(dqm, KFD_MQD_TYPE_SDMA);

		if (mqd == NULL) {

			retval = -ENOMEM;

			goto out;

		}

		dqm->sdma_queue_count--;

		deallocate_sdma_queue(dqm, q->sdma_id);

	}



	retval = mqd->destroy_mqd(mqd, q->mqd,

				KFD_PREEMPT_TYPE_WAVEFRONT,

				KFD_PREEMPT_TYPE_WAVEFRONT_RESET,

				QUEUE_PREEMPT_DEFAULT_TIMEOUT_MS,

				q->pipe, q->queue);



	if (retval != 0)

		goto out;



	if (q->properties.type == KFD_QUEUE_TYPE_COMPUTE)

		deallocate_hqd(dqm, q);

	else if (q->properties.type == KFD_QUEUE_TYPE_SDMA) {

		dqm->sdma_queue_count--;

		deallocate_sdma_queue(dqm, q->sdma_id);

	}



	mqd->uninit_mqd(mqd, q->mqd, q->mqd_mem_obj);



	list_del(&q->list);