From 76f9a561ef0b5238a8ed098ecdd71003dccca52f Mon Sep 17 00:00:00 2001 From: Johan Hovold Date: Wed, 6 Mar 2024 10:56:50 +0100 Subject: [PATCH] arm64: dts: qcom: sc8280xp: add missing PCIe minimum OPP BugLink: https://bugs.launchpad.net/bugs/2073788 commit 2b621971554a94094cf489314dc1c2b65401965c upstream. Add the missing PCIe CX performance level votes to avoid relying on other drivers (e.g. USB or UFS) to maintain the nominal performance level required for Gen3 speeds. Fixes: 813e83157001 ("arm64: dts: qcom: sc8280xp/sa8540p: add PCIe2-4 nodes") Cc: stable@vger.kernel.org # 6.2 Reviewed-by: Konrad Dybcio Reviewed-by: Manivannan Sadhasivam Signed-off-by: Johan Hovold Link: https://lore.kernel.org/r/20240306095651.4551-5-johan+linaro@kernel.org Signed-off-by: Bjorn Andersson Signed-off-by: Greg Kroah-Hartman Signed-off-by: Portia Stephens Signed-off-by: Roxana Nicolescu --- arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index 3a8641cf8d4d..d99ae6c2ba4c 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -1799,6 +1799,7 @@ assigned-clock-rates = <100000000>; power-domains = <&gcc PCIE_4_GDSC>; + required-opps = <&rpmhpd_opp_nom>; resets = <&gcc GCC_PCIE_4_PHY_BCR>; reset-names = "phy"; @@ -1898,6 +1899,7 @@ assigned-clock-rates = <100000000>; power-domains = <&gcc PCIE_3B_GDSC>; + required-opps = <&rpmhpd_opp_nom>; resets = <&gcc GCC_PCIE_3B_PHY_BCR>; reset-names = "phy"; @@ -1998,6 +2000,7 @@ assigned-clock-rates = <100000000>; power-domains = <&gcc PCIE_3A_GDSC>; + required-opps = <&rpmhpd_opp_nom>; resets = <&gcc GCC_PCIE_3A_PHY_BCR>; reset-names = "phy"; @@ -2099,6 +2102,7 @@ assigned-clock-rates = <100000000>; power-domains = <&gcc PCIE_2B_GDSC>; + required-opps = <&rpmhpd_opp_nom>; resets = <&gcc GCC_PCIE_2B_PHY_BCR>; reset-names = "phy"; @@ -2199,6 +2203,7 @@ assigned-clock-rates = <100000000>; power-domains = <&gcc PCIE_2A_GDSC>; + required-opps = <&rpmhpd_opp_nom>; resets = <&gcc GCC_PCIE_2A_PHY_BCR>; reset-names = "phy";