mirrors/linux
2
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-05-11 01:53:20 -04:00
Code Issues Packages Projects Releases Wiki Activity

habanalabs: zero pci counters packet before submit to FW

Browse Source 
Driver does not zero some pci counters packets before sending
to FW. This causes an out of sync PI/CI between driver and FW.

Signed-off-by: Ofir Bitton <obitton@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
This commit is contained in:
Ofir Bitton
2021-01-17 09:39:37 +02:00
committed by Oded Gabbay
parent cb5c681ab9
commit 9354f1b421
1 changed files with 5 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/misc/habanalabs/common/firmware_if.c
View File

@@ -402,6 +402,10 @@ int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev,
}
counters->rx_throughput = result;
memset(&pkt, 0, sizeof(pkt));
pkt.ctl = cpu_to_le32(CPUCP_PACKET_PCIE_THROUGHPUT_GET <<
CPUCP_PKT_CTL_OPCODE_SHIFT);
/* Fetch PCI tx counter */
pkt.index = cpu_to_le32(cpucp_pcie_throughput_tx);
rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
@@ -414,6 +418,7 @@ int hl_fw_cpucp_pci_counters_get(struct hl_device *hdev,
counters->tx_throughput = result;
/* Fetch PCI replay counter */
memset(&pkt, 0, sizeof(pkt));
pkt.ctl = cpu_to_le32(CPUCP_PACKET_PCIE_REPLAY_CNT_GET <<
CPUCP_PKT_CTL_OPCODE_SHIFT);