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8299d1f057
Rebased RPi foundation patches on linux 5.10.59, removed applied and reverted patches, wireless patches and defconfig patches. bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 4B v1.1 4G bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
36 lines
1.2 KiB
Diff
36 lines
1.2 KiB
Diff
From 54643c62b6a848bfcfd86ac4eebbea28c0f1902e Mon Sep 17 00:00:00 2001
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From: Dom Cobley <popcornmix@gmail.com>
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Date: Wed, 28 Apr 2021 16:10:02 +0200
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Subject: [PATCH] ARM: dts: bcm2711: Tune DMA parameters for HDMI audio
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Enable NO_WAIT_RESP, DMA_WIDE_SOURCE, DMA_WIDE_DEST, and bump the DMA
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panic and AXI priorities to avoid any DMA transfer error with HBR audio
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(8 channel, 192Hz).
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Signed-off-by: Dom Cobley <popcornmix@gmail.com>
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Signed-off-by: Maxime Ripard <maxime@cerno.tech>
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---
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arch/arm/boot/dts/bcm2711.dtsi | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/arch/arm/boot/dts/bcm2711.dtsi
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+++ b/arch/arm/boot/dts/bcm2711.dtsi
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@@ -359,7 +359,7 @@
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interrupt-names = "cec-tx", "cec-rx", "cec-low",
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"wakeup", "hpd-connected", "hpd-removed";
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ddc = <&ddc0>;
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- dmas = <&dma 10>;
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+ dmas = <&dma (10 | (1 << 27) | (1 << 24)| (15 << 20) | (10 << 16))>;
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dma-names = "audio-rx";
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status = "disabled";
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};
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@@ -406,7 +406,7 @@
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<9>, <10>, <11>;
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interrupt-names = "cec-tx", "cec-rx", "cec-low",
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"wakeup", "hpd-connected", "hpd-removed";
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- dmas = <&dma 17>;
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+ dmas = <&dma (17 | (1 << 27) | (1 << 24)| (15 << 20) | (10 << 16))>;
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dma-names = "audio-rx";
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status = "disabled";
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};
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