6.15-stable review patch. If anyone has any objections, please let me know.
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From: Neil Armstrong neil.armstrong@linaro.org
[ Upstream commit 327d489d1ecaf16182952f079cc21f04cf83f967 ]
The bindings requires the mdp0-mem and the cpu-cfg interconnect path, add the missing cpu-cfg path to fix the dtbs check error and also to ensure that MDSS has enough bandwidth to let HLOS write config registers.
Fixes: b8591df49cde ("arm64: dts: qcom: sm8550: correct MDSS interconnects") Reviewed-by: Konrad Dybcio konrad.dybcio@oss.qualcomm.com Reviewed-by: Dmitry Baryshkov dmitry.baryshkov@linaro.org Signed-off-by: Neil Armstrong neil.armstrong@linaro.org Link: https://lore.kernel.org/r/20250227-topic-sm8x50-mdss-interconnect-bindings-f... Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/boot/dts/qcom/sm8550.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/sm8550.dtsi b/arch/arm64/boot/dts/qcom/sm8550.dtsi index 9465b00f1e74c..65ebddd124e2a 100644 --- a/arch/arm64/boot/dts/qcom/sm8550.dtsi +++ b/arch/arm64/boot/dts/qcom/sm8550.dtsi @@ -3146,8 +3146,10 @@ power-domains = <&dispcc MDSS_GDSC>;
interconnects = <&mmss_noc MASTER_MDP QCOM_ICC_TAG_ALWAYS - &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>; - interconnect-names = "mdp0-mem"; + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>, + <&gem_noc MASTER_APPSS_PROC QCOM_ICC_TAG_ACTIVE_ONLY + &config_noc SLAVE_DISPLAY_CFG QCOM_ICC_TAG_ACTIVE_ONLY>; + interconnect-names = "mdp0-mem", "cpu-cfg";
iommus = <&apps_smmu 0x1c00 0x2>;