On Thu Sep 19, 2024 at 12:57 AM CEST, Konrad Dybcio wrote: > I only read back the SMMU config on X1E & 7280, but I have it on good > authority that this concerns all RPMh SoCs. Sending as RFC just in case. > > Lacking coherency can hurt performance, but claiming coherency where it's > absent would lead to a kaboom. Hi Konrad! You want people with the affected SoCs to test this I imagine? Just boot it and see if it doesn't implode, or do you have any more elaborate test plan for this? Regards Luca > > Signed-off-by: Konrad Dybcio <quic_kdybcio@xxxxxxxxxxx> > --- > Konrad Dybcio (11): > arm64: dts: qcom: qdu1000: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sc7180: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sc8180x: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sc8280xp: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sdm670: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sdm845: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sm6350: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sm8150: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sm8350: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: sm8450: Affirm IDR0.CCTW on apps_smmu > arm64: dts: qcom: x1e80100: Affirm IDR0.CCTW on apps_smmu > > arch/arm64/boot/dts/qcom/qdu1000.dtsi | 1 + > arch/arm64/boot/dts/qcom/sc7180.dtsi | 1 + > arch/arm64/boot/dts/qcom/sc8180x.dtsi | 2 +- > arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 1 + > arch/arm64/boot/dts/qcom/sdm670.dtsi | 1 + > arch/arm64/boot/dts/qcom/sdm845.dtsi | 1 + > arch/arm64/boot/dts/qcom/sm6350.dtsi | 1 + > arch/arm64/boot/dts/qcom/sm8150.dtsi | 1 + > arch/arm64/boot/dts/qcom/sm8350.dtsi | 1 + > arch/arm64/boot/dts/qcom/sm8450.dtsi | 1 + > arch/arm64/boot/dts/qcom/x1e80100.dtsi | 2 ++ > 11 files changed, 12 insertions(+), 1 deletion(-) > --- > base-commit: 55bcd2e0d04c1171d382badef1def1fd04ef66c5 > change-id: 20240919-topic-apps_smmu_coherent-070f38a2c207 > > Best regards,
