[PATCH] event/cnxk: fix dequeue timeout configuration

[pbhagavatula at marvell.com]

From: Pavan Nikhilesh <pbhagavatula at marvell.com>

Allow dequeue timeout to be configured as zero, when
RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT is disabled.

Fixes: 5512c7de85cd ("event/cnxk: add common configuration validation")
Cc: stable at dpdk.org

Signed-off-by: Pavan Nikhilesh <pbhagavatula at marvell.com>
---
 drivers/event/cnxk/cnxk_eventdev.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/drivers/event/cnxk/cnxk_eventdev.c b/drivers/event/cnxk/cnxk_eventdev.c
index 0c61f4c20e..2ffa686f93 100644
--- a/drivers/event/cnxk/cnxk_eventdev.c
+++ b/drivers/event/cnxk/cnxk_eventdev.c
@@ -162,16 +162,17 @@ cnxk_sso_dev_validate(const struct rte_eventdev *event_dev, uint32_t deq_depth,
 
 	deq_tmo_ns = conf->dequeue_timeout_ns;
 
-	if (deq_tmo_ns == 0)
-		deq_tmo_ns = dev->min_dequeue_timeout_ns;
-	if (deq_tmo_ns < dev->min_dequeue_timeout_ns ||
-	    deq_tmo_ns > dev->max_dequeue_timeout_ns) {
+	if (deq_tmo_ns && (deq_tmo_ns < dev->min_dequeue_timeout_ns ||
+			   deq_tmo_ns > dev->max_dequeue_timeout_ns)) {
 		plt_err("Unsupported dequeue timeout requested");
 		return -EINVAL;
 	}
 
-	if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT)
+	if (conf->event_dev_cfg & RTE_EVENT_DEV_CFG_PER_DEQUEUE_TIMEOUT) {
+		if (deq_tmo_ns == 0)
+			deq_tmo_ns = dev->min_dequeue_timeout_ns;
 		dev->is_timeout_deq = 1;
+	}
 
 	dev->deq_tmo_ns = deq_tmo_ns;
 
@@ -663,7 +664,7 @@ cnxk_sso_init(struct rte_eventdev *event_dev)
 	}
 
 	dev->is_timeout_deq = 0;
-	dev->min_dequeue_timeout_ns = 0;
+	dev->min_dequeue_timeout_ns = USEC2NSEC(1);
 	dev->max_dequeue_timeout_ns = USEC2NSEC(0x3FF);
 	dev->max_num_events = -1;
 	dev->nb_event_queues = 0;
-- 
2.25.1