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From: Pravin Pathak <pravin.pathak@intel.com>
To: dev@dpdk.org
Cc: jerinj@marvell.com, mike.ximing.chen@intel.com, bruce.richardson@intel.com,
thomas@monjalon.net, david.marchand@redhat.com, nipun.gupta@amd.com,
chenbox@nvidia.com, tirthendu.sarkar@intel.com, stable@dpdk.org
Subject: [PATCH v4 7/7] event/dlb2: fix default credits based on HW version
Date: Wed, 18 Jun 2025 23:03:16 -0500
Message-Id: <20250619040316.317733-8-pravin.pathak@intel.com>
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From: Tirthendu Sarkar <tirthendu.sarkar@intel.com>
dlb2_eventdev_info_get() that implements rte_event_dev_info_get() should
return the maximum available credits as supported by HW.
Set maximum credits before device probing by checking HW version.
Fixes: b66a418d2ad3 ("event/dlb2: add v2.5 probe")
Cc: stable@dpdk.org
Signed-off-by: Tirthendu Sarkar <tirthendu.sarkar@intel.com>
---
drivers/event/dlb2/pf/dlb2_pf.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/event/dlb2/pf/dlb2_pf.c b/drivers/event/dlb2/pf/dlb2_pf.c
index 15a06bee4f..edcdfb319f 100644
--- a/drivers/event/dlb2/pf/dlb2_pf.c
+++ b/drivers/event/dlb2/pf/dlb2_pf.c
@@ -789,6 +789,8 @@ dlb2_eventdev_pci_init(struct rte_eventdev *eventdev)
if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
dlb2 = dlb2_pmd_priv(eventdev); /* rte_zmalloc_socket mem */
dlb2->version = DLB2_HW_DEVICE_FROM_PCI_ID(pci_dev);
+ if (dlb2->version == DLB2_HW_V2_5)
+ dlb2_args.max_num_events = DLB2_MAX_NUM_CREDITS(DLB2_HW_V2_5);
/* Were we invoked with runtime parameters? */
if (pci_dev->device.devargs) {
--
2.39.1