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arm64: dts: apple: t8140: give the video decoder its PMP performance request #798

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Merged
RyanTheTide merged 2 commits into from
Nov 1, 2026
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arm64: dts: apple: t8140: give the video decoder its PMP performance request #798

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dt-bindings: media: apple,avd: describe PMP performance domains
RyanTheTide Nov 1, 2026
332ebf3
arm64: dts: apple: t8140: request AVD performance while decoding
RyanTheTide Nov 1, 2026
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2 changes: 1 addition & 1 deletion Documentation/devicetree/bindings/media/apple,avd.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,7 @@ properties:
minItems: 1
items:
- description: decoder power state
- description: performance floor (PMC rail level) held while decoding
- description: performance floor (PMC rail or PMP device level) held while decoding

power-domain-names:
minItems: 1
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17 changes: 16 additions & 1 deletion arch/arm64/boot/dts/apple/t8140.dtsi
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Expand Up @@ -545,6 +545,20 @@
power-domains = <&ps_venc0_sys>, <&pmc_venc_cluster>;
apple,dvfs = <0x198 2>;
};

/*
* AVD is soc-device record 17, DVFS ordinal 10. Its VMAX
* request votes the SOC rail through the PMP's static agent.
* It has no cluster-agent bit: VENC-CLSTR-V is AVE-only.
*/
pmp_report_avd0: report@11 {
compatible = "apple,t8140-pmp-v2-report-entry";
reg = <0x11>;
label = "pmp-avd0";
#power-domain-cells = <0>;
power-domains = <&ps_avd_sys>;
apple,dvfs = <0x19a 2>;
};
};

pmp: pmp@300500000 {
Expand Down Expand Up @@ -1397,7 +1411,8 @@
interrupt-parent = <&aic>;
interrupts = <AIC_IRQ 936 IRQ_TYPE_LEVEL_HIGH>,
<AIC_IRQ 937 IRQ_TYPE_LEVEL_HIGH>;
power-domains = <&ps_avd_sys>;
power-domains = <&ps_avd_sys>, <&pmp_report_avd0>;
power-domain-names = "core", "perf";
resets = <&ps_avd_sys>;
reg = <0x3 0x81080000 0x0 0x10000>,
<0x3 0x81090000 0x0 0x10000>,
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