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wifi: rtw88: disable ASPM and deep PS on ASUS TUF Gaming A15 FA506II

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The RTL8822CE on the ASUS TUF Gaming A15 FA506II wedges during normal
use. The driver watchdog toggles PCIe ASPM while leaving power save;
the DBI read of the ASPM link-config register fails with -EIO, the PCIe
link becomes unstable, and the device drops off the bus, taking Wi-Fi
down until a cold power cycle:

  rtw88_8822ce 0000:03:00.0: failed to read ASPM, ret=-5
  rtw88_8822ce 0000:03:00.0: firmware failed to leave lps state
  rtw88_8822ce 0000:03:00.0: mac power on failed

This is the same platform ASPM inter-operability problem already
handled for other machines through rtw_pci_quirks[]. Disabling PCI
ASPM and deep power save on this model stops the failure. Add a DMI
quirk so the workaround is applied automatically.

Signed-off-by: Mihail Dimoski <mihaildimoski@gmail.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260718124045.23493-1-mihaildimoski@gmail.com
This commit is contained in:
Mihail Dimoski
2026-07-18 14:40:45 +02:00
committed by Ping-Ke Shih
parent 38c58d541c
commit b0034a2e41
1 changed files with 10 additions and 0 deletions
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10
drivers/net/wireless/realtek/rtw88/pci.c
View File

@@ -1779,6 +1779,16 @@ static const struct dmi_system_id rtw_pci_quirks[] = {
.driver_data = (void *)(BIT(QUIRK_DIS_CAP_PCI_ASPM) |
BIT(QUIRK_DIS_CAP_LPS_DEEP)),
},
{
.callback = rtw_pci_disable_caps,
.ident = "ASUS TUF Gaming A15 FA506II",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
DMI_MATCH(DMI_BOARD_NAME, "FA506II"),
},
.driver_data = (void *)(BIT(QUIRK_DIS_CAP_PCI_ASPM) |
BIT(QUIRK_DIS_CAP_LPS_DEEP)),
},
{}
};