openwrt/target/linux/brcm2708/patches-4.9/950-0176-BCM270X-Disable-VEC-unless-vc4-kms-v3d-is-present.patch

From 323d84f926d907f424c3e55bec55ec84a9d04657 Mon Sep 17 00:00:00 2001
From: Eric Anholt <eric@anholt.net>
Date: Mon, 23 Jan 2017 11:41:54 -0800
Subject: [PATCH] BCM270X: Disable VEC unless vc4-kms-v3d is present.

Signed-off-by: Eric Anholt <eric@anholt.net>
---
 arch/arm/boot/dts/bcm2708-rpi.dtsi                 | 4 ++++
 arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 7 +++++++
 2 files changed, 11 insertions(+)

--- a/arch/arm/boot/dts/bcm2708-rpi.dtsi
+++ b/arch/arm/boot/dts/bcm2708-rpi.dtsi
@@ -107,3 +107,7 @@
 &usb {
 	power-domains = <&power RPI_POWER_DOMAIN_USB>;
 };
+
+&vec {
+	status = "disabled";
+};
--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
@@ -148,6 +148,13 @@
 		};
 	};
 
+	fragment@18 {
+		target = <&vec>;
+		__overlay__  {
+			status = "okay";
+		};
+	};
+
 	__overrides__ {
 		cma-256 = <0>,"+0-1-2-3-4";
 		cma-192 = <0>,"-0+1-2-3-4";