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

   1 From 323d84f926d907f424c3e55bec55ec84a9d04657 Mon Sep 17 00:00:00 2001
   2 From: Eric Anholt <eric@anholt.net>
   3 Date: Mon, 23 Jan 2017 11:41:54 -0800
   4 Subject: [PATCH] BCM270X: Disable VEC unless vc4-kms-v3d is present.
   5
   6 Signed-off-by: Eric Anholt <eric@anholt.net>
   7 ---
   8  arch/arm/boot/dts/bcm2708-rpi.dtsi                 | 4 ++++
   9  arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 7 +++++++
  10  2 files changed, 11 insertions(+)
  11
  12 --- a/arch/arm/boot/dts/bcm2708-rpi.dtsi
  13 +++ b/arch/arm/boot/dts/bcm2708-rpi.dtsi
  14 @@ -107,3 +107,7 @@
  15  &usb {
  16         power-domains = <&power RPI_POWER_DOMAIN_USB>;
  17  };
  18 +
  19 +&vec {
  20 +       status = "disabled";
  21 +};
  22 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  23 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  24 @@ -148,6 +148,13 @@
  25                 };
  26         };
  27
  28 +       fragment@18 {
  29 +               target = <&vec>;
  30 +               __overlay__  {
  31 +                       status = "okay";
  32 +               };
  33 +       };
  34 +
  35         __overrides__ {
  36                 cma-256 = <0>,"+0-1-2-3-4";
  37                 cma-192 = <0>,"-0+1-2-3-4";