There are indications that ASPM L0s is not working very well on this
machine so disable it also for the modem and Wi-Fi controllers for now.
This specifically avoids having the modem and Wi-Fi controllers bounce
in an out of L0s when not used (the modem still bounces in and out of
L1) as well as intermittent Correctable errors on the Wi-Fi link when
not used.
Fixes: 9f4f3dfad8cf ("PCI: qcom: Enable ASPM for platforms supporting 1.9.0 ops")
Cc: stable@xxxxxxxxxxxxxxx # 6.7
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
Signed-off-by: Johan Hovold <johan+linaro@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sc8280xp-crd.dts | 3 +++
1 file changed, 3 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
index 7e94a68d5d9f..8fc0380f65a0 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-crd.dts
@@ -546,6 +546,8 @@ &pcie2a_phy {
};
&pcie3a {
+ aspm-no-l0s;
+
perst-gpios = <&tlmm 151 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 148 GPIO_ACTIVE_LOW>;
@@ -566,6 +568,7 @@ &pcie3a_phy {
&pcie4 {
max-link-speed = <2>;
+ aspm-no-l0s;
perst-gpios = <&tlmm 141 GPIO_ACTIVE_LOW>;
wake-gpios = <&tlmm 139 GPIO_ACTIVE_LOW>;
--
2.43.0
