diff options
Diffstat (limited to 'target/linux/generic/pending-5.10/701-01-arm64-dts-mediatek-mt7622-add-support-for-coherent-D.patch')
| -rw-r--r-- | target/linux/generic/pending-5.10/701-01-arm64-dts-mediatek-mt7622-add-support-for-coherent-D.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/generic/pending-5.10/701-01-arm64-dts-mediatek-mt7622-add-support-for-coherent-D.patch b/target/linux/generic/pending-5.10/701-01-arm64-dts-mediatek-mt7622-add-support-for-coherent-D.patch new file mode 100644 index 0000000000..892e01aece --- /dev/null +++ b/target/linux/generic/pending-5.10/701-01-arm64-dts-mediatek-mt7622-add-support-for-coherent-D.patch @@ -0,0 +1,30 @@ +From: Felix Fietkau <nbd@nbd.name> +Date: Mon, 7 Feb 2022 10:27:22 +0100 +Subject: [PATCH] arm64: dts: mediatek: mt7622: add support for coherent + DMA + +It improves performance by eliminating the need for a cache flush on rx and tx + +Signed-off-by: Felix Fietkau <nbd@nbd.name> +--- + +--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi ++++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi +@@ -357,7 +357,7 @@ + }; + + cci_control2: slave-if@5000 { +- compatible = "arm,cci-400-ctrl-if"; ++ compatible = "arm,cci-400-ctrl-if", "syscon"; + interface-type = "ace"; + reg = <0x5000 0x1000>; + }; +@@ -936,6 +936,8 @@ + power-domains = <&scpsys MT7622_POWER_DOMAIN_ETHSYS>; + mediatek,ethsys = <ðsys>; + mediatek,sgmiisys = <&sgmiisys>; ++ mediatek,cci-control = <&cci_control2>; ++ dma-coherent; + #address-cells = <1>; + #size-cells = <0>; + status = "disabled"; |