diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0631-overlays-Add-audio-parameter-to-vc4-kms-v3d.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0631-overlays-Add-audio-parameter-to-vc4-kms-v3d.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0631-overlays-Add-audio-parameter-to-vc4-kms-v3d.patch b/target/linux/brcm2708/patches-4.19/950-0631-overlays-Add-audio-parameter-to-vc4-kms-v3d.patch new file mode 100644 index 0000000000..a70d50eecd --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0631-overlays-Add-audio-parameter-to-vc4-kms-v3d.patch @@ -0,0 +1,49 @@ +From 418ca5973ad807f9d7f99e68af2bd21c7e8baa4d Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.org> +Date: Wed, 31 Jul 2019 17:39:37 +0100 +Subject: [PATCH] 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(+) + +--- a/arch/arm/boot/dts/overlays/README ++++ b/arch/arm/boot/dts/overlays/README +@@ -2480,6 +2480,7 @@ Params: cma-256 CMA is 2 + 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 +--- 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"; + }; + }; |