| Message ID | 20210907041502.573623-2-kai.heng.feng@canonical.com |
|---|---|
| State | New |
| Headers | show |
| Series | [Unstable/OEM-5.13/OEM-5.14,1/1] UBUNTU: SAUCE: r8169: Disable ASPM L1.2 | expand |
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 32e9ba8efb0ad..93bf8882a3c9a 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -5281,7 +5281,7 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) /* Disable ASPM completely as that cause random device stop working * problems as well as full system hangs for some PCIe devices users. */ - rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_1); + rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_1 | PCIE_LINK_STATE_L1_2); tp->aspm_manageable = !rc; /* enable device (incl. PCI PM wakeup and hotplug setup) */
BugLink: https://bugs.launchpad.net/bugs/1942830 There's a r8169 ethernet NIC that has abysmal TX/RX speed, because it requires longer time to exit from ASPM L1.1/L1.2 than it advertises. Changing its LTR to a smaller value doesn't help, so in addition to ASPM L1.1, also disable ASPM L1.2. Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> --- drivers/net/ethernet/realtek/r8169_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)