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From: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Date: Tue, 15 Apr 2025 13:26:00 +0300
Subject: [PATCH 02/20] arm64: dts: qcom: sa8775p: mark MDP interconnects as
ALWAYS on
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| Series |
arm64: dts: qcom: minor display-related fixups
|
expand
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diff --git a/arch/arm64/boot/dts/qcom/sa8775p.dtsi b/arch/arm64/boot/dts/qcom/sa8775p.dtsi index a904960359d731d2f0b6659a8ae99bff0e1bafb4..4da50c5ec612688a78b42543e23625b5a9801f2f 100644 --- a/arch/arm64/boot/dts/qcom/sa8775p.dtsi +++ b/arch/arm64/boot/dts/qcom/sa8775p.dtsi @@ -3959,10 +3959,10 @@ mdss0: display-subsystem@ae00000 { reg-names = "mdss"; /* same path used twice */ - interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ACTIVE_ONLY - &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, - <&mmss_noc MASTER_MDP1 QCOM_ICC_TAG_ACTIVE_ONLY - &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ACTIVE_ONLY>, + interconnects = <&mmss_noc MASTER_MDP0 QCOM_ICC_TAG_ALWAYS + &mc_virt SLAVE_EBI1 QCOM_ICC_TAG_ALWAYS>, + <&mmss_noc MASTER_MDP1 QCOM_ICC_TAG_ALWAYS + &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",
Change the tag for MDP interconnects to QCOM_ICC_TAG_ALWAYS, so that if CPUSS collapses, the display may stay on. Suggested-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> --- arch/arm64/boot/dts/qcom/sa8775p.dtsi | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)