diff mbox series

[v4,4/5] arm64: dts: qcom: sc8280xp: add missing PCIe minimum OPP

Message ID 20240306095651.4551-5-johan+linaro@kernel.org (mailing list archive)
State Accepted
Commit 2b621971554a94094cf489314dc1c2b65401965c
Headers show
Series arm64: dts: qcom: sc8280xp: PCIe fixes and GICv3 ITS enable | expand

Commit Message

Johan Hovold March 6, 2024, 9:56 a.m. UTC 
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 <konrad.dybcio@linaro.org>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
 arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 5 +++++
 1 file changed, 5 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index 2fc8d3308844..a8279ba6a756 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -1780,6 +1780,7 @@  pcie4: pcie@1c00000 {
 			reset-names = "pci";
 
 			power-domains = <&gcc PCIE_4_GDSC>;
+			required-opps = <&rpmhpd_opp_nom>;
 
 			phys = <&pcie4_phy>;
 			phy-names = "pciephy";
@@ -1878,6 +1879,7 @@  pcie3b: pcie@1c08000 {
 			reset-names = "pci";
 
 			power-domains = <&gcc PCIE_3B_GDSC>;
+			required-opps = <&rpmhpd_opp_nom>;
 
 			phys = <&pcie3b_phy>;
 			phy-names = "pciephy";
@@ -1976,6 +1978,7 @@  pcie3a: pcie@1c10000 {
 			reset-names = "pci";
 
 			power-domains = <&gcc PCIE_3A_GDSC>;
+			required-opps = <&rpmhpd_opp_nom>;
 
 			phys = <&pcie3a_phy>;
 			phy-names = "pciephy";
@@ -2077,6 +2080,7 @@  pcie2b: pcie@1c18000 {
 			reset-names = "pci";
 
 			power-domains = <&gcc PCIE_2B_GDSC>;
+			required-opps = <&rpmhpd_opp_nom>;
 
 			phys = <&pcie2b_phy>;
 			phy-names = "pciephy";
@@ -2175,6 +2179,7 @@  pcie2a: pcie@1c20000 {
 			reset-names = "pci";
 
 			power-domains = <&gcc PCIE_2A_GDSC>;
+			required-opps = <&rpmhpd_opp_nom>;
 
 			phys = <&pcie2a_phy>;
 			phy-names = "pciephy";