[PATCH v8 1/6] r8169: Disable ASPM L1.1 on 8168h
From: Kai-Heng Feng
Date: Mon Feb 20 2023 - 21:33:44 EST
ASPM L1/L1.1 gets enabled based on [0], but ASPM L1.1 was actually
disabled too [1].
So also disable L1.1 for better compatibility.
[0] https://bugs.launchpad.net/bugs/1942830
[1] https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-oem/+git/focal/commit/?id=c9b3736de48fd419d6699045d59a0dd1041da014
Signed-off-by: Kai-Heng Feng <kai.heng.feng@xxxxxxxxxxxxx>
---
v8:
- New patch.
drivers/net/ethernet/realtek/r8169_main.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c
index 45147a1016bec..1c949822661ae 100644
--- a/drivers/net/ethernet/realtek/r8169_main.c
+++ b/drivers/net/ethernet/realtek/r8169_main.c
@@ -5224,13 +5224,13 @@ static int rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* Disable ASPM L1 as that cause random device stop working
* problems as well as full system hangs for some PCIe devices users.
- * Chips from RTL8168h partially have issues with L1.2, but seem
- * to work fine with L1 and L1.1.
+ * Chips from RTL8168h partially have issues with L1.1 and L1.2, but
+ * seem to work fine with L1.
*/
if (rtl_aspm_is_safe(tp))
rc = 0;
else if (tp->mac_version >= RTL_GIGA_MAC_VER_46)
- rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_2);
+ rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1_1 | PCIE_LINK_STATE_L1_2);
else
rc = pci_disable_link_state(pdev, PCIE_LINK_STATE_L1);
tp->aspm_manageable = !rc;
--
2.34.1