brcm2708: update to latest patches from RPi foundation

[openwrt/staging/wigyori.git] / target / linux / brcm2708 / patches-4.19 / 950-0631-overlays-Add-audio-parameter-to-vc4-kms-v3d.patch

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 (file)
index 0000000..a70d50e
--- /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";
+       };
+ };