diff options
| author | Ofir Bitton <obitton@habana.ai> | 2021-01-17 09:39:37 +0200 |
|---|---|---|
| committer | Oded Gabbay <ogabbay@kernel.org> | 2021-01-21 20:30:22 +0200 |
| commit | 9354f1b421f76f8368be13954f87d07bcbd6fffe (patch) | |
| tree | 5b53efc1a5fbf300561c83d2a4b55d6741628767 | |
| parent | cb5c681ab9037e25fcca20689c82cf034566d610 (diff) | |
| download | linux-9354f1b421f76f8368be13954f87d07bcbd6fffe.tar.bz2 | |
habanalabs: zero pci counters packet before submit to FW
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>
| -rw-r--r-- | drivers/misc/habanalabs/common/firmware_if.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 20f77f58edef..c9a12980218a 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -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); |