target/linux/brcm2708/patches-4.14/950-0183-BCM270X-Disable-VEC-unless-vc4-kms-v3d-is-present.patch

   1 From a623333fb06d085d3fb3f802790164f7bc5c16e5 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 183/454] BCM270X: Disable VEC unless vc4-kms-v3d is present.
   5
   6 Signed-off-by: Eric Anholt <eric@anholt.net>
   7 (cherry picked from commit dabd52db47d2e799323639734787e3a338c2b2a5)
   8 ---
   9  arch/arm/boot/dts/bcm2708-rpi.dtsi                 | 4 ++++
  10  arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 7 +++++++
  11  2 files changed, 11 insertions(+)
  12
  13 --- a/arch/arm/boot/dts/bcm2708-rpi.dtsi
  14 +++ b/arch/arm/boot/dts/bcm2708-rpi.dtsi
  15 @@ -160,3 +160,7 @@ sdhost_pins: &sdhost_gpio48 {
  16  &cpu_thermal {
  17         /delete-node/ trips;
  18  };
  19 +
  20 +&vec {
  21 +       status = "disabled";
  22 +};
  23 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  24 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  25 @@ -141,6 +141,13 @@
  26                 };
  27         };
  28
  29 +       fragment@17 {
  30 +               target = <&vec>;
  31 +               __overlay__  {
  32 +                       status = "okay";
  33 +               };
  34 +       };
  35 +
  36         __overrides__ {
  37                 cma-256 = <0>,"+0-1-2-3-4";
  38                 cma-192 = <0>,"-0+1-2-3-4";