target/linux/brcm2708/patches-4.4/0405-ARM-bcm2835-make-dma-channel-0-available-for-kms-set.patch

   1 From 2ebd83e6f79690289068f691c2ad67db4e40deca Mon Sep 17 00:00:00 2001
   2 From: Martin Sperl <kernel@martin.sperl.org>
   3 Date: Sat, 23 Apr 2016 14:20:41 +0000
   4 Subject: [PATCH 405/423] ARM: bcm2835: make dma-channel-0 available for kms
   5  setups
   6
   7 Enable the use of dma-channel 0 when using the vc4-kms-v3d overlay.
   8
   9 Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
  10 ---
  11  arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 7 +++++++
  12  1 file changed, 7 insertions(+)
  13
  14 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  15 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  16 @@ -119,6 +119,13 @@
  17                 };
  18         };
  19
  20 +       fragment@15 {
  21 +               target-path = "/soc/dma";
  22 +               __overlay__ {
  23 +                       brcm,dma-channel-mask = <0x7f35>;
  24 +               };
  25 +       };
  26 +
  27         __overrides__ {
  28                 cma-256 = <0>,"+0-1-2-3-4";
  29                 cma-192 = <0>,"-0+1-2-3-4";