1
0
Fork 0
mirror of https://github.com/Ysurac/openmptcprouter.git synced 2025-02-15 04:42:02 +00:00
openmptcprouter/root/target/linux/brcm2708/patches-4.19/950-0735-overlays-Add-audio-parameter-to-vc4-kms-v3d.patch

57 lines
1.7 KiB
Diff
Raw Normal View History

From e8e84b725b2d9048f34c57c85893e4c35d94ea9e Mon Sep 17 00:00:00 2001
From: Phil Elwell <phil@raspberrypi.org>
Date: Wed, 31 Jul 2019 17:39:37 +0100
Subject: [PATCH 735/826] overlays: Add audio parameter to vc4-kms-v3d
The audio parameter to the vc4-kms-v3d overlay allows audio support
to be disabled (it defaults to on) by adding "audio=off" to the
dtoverlay parameters.
See: https://github.com/raspberrypi/linux/issues/2489
Signed-off-by: Phil Elwell <phil@raspberrypi.org>
---
arch/arm/boot/dts/overlays/README | 1 +
arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/arch/arm/boot/dts/overlays/README b/arch/arm/boot/dts/overlays/README
index 203041654d84..6131ac3d967c 100644
--- a/arch/arm/boot/dts/overlays/README
+++ b/arch/arm/boot/dts/overlays/README
@@ -2480,6 +2480,7 @@ Params: cma-256 CMA is 256MB (needs 1GB)
cma-128 CMA is 128MB
cma-96 CMA is 96MB
cma-64 CMA is 64MB
+ audio Enable or disable audio over HDMI (default "on")
Name: vga666
diff --git a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
index 19e1d2548e7b..c5f687e8bcb9 100644
--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
@@ -134,11 +134,19 @@
};
};
+ fragment@17 {
+ target = <&hdmi>;
+ __dormant__ {
+ dmas;
+ };
+ };
+
__overrides__ {
cma-256 = <0>,"+0-1-2-3-4";
cma-192 = <0>,"-0+1-2-3-4";
cma-128 = <0>,"-0-1+2-3-4";
cma-96 = <0>,"-0-1-2+3-4";
cma-64 = <0>,"-0-1-2-3+4";
+ audio = <0>,"!17";
};
};
--
2.22.0