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: Ben Goz <ben.goz@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ben Goz 2014-08-18 14:55:59 +03:00 committed by Oded Gabbay
parent 04df25d123
commit c2e1b3a496

View File

@ -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);
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;
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;
}
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);