target/linux/brcm2708/patches-4.4/0403-ARM-bcm2835-make-dma-channel-0-available-for-kms-set.patch

   1 From 9ca847e5e96f1cb3e9886434c25cb755124dfdb9 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] ARM: bcm2835: make dma-channel-0 available for kms setups
   5
   6 Enable the use of dma-channel 0 when using the vc4-kms-v3d overlay.
   7
   8 Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
   9 ---
  10  arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 7 +++++++
  11  1 file changed, 7 insertions(+)
  12
  13 --- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  14 +++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
  15 @@ -119,6 +119,13 @@
  16                 };
  17         };
  18
  19 +       fragment@15 {
  20 +               target-path = "/soc/dma";
  21 +               __overlay__ {
  22 +                       brcm,dma-channel-mask = <0x7f35>;
  23 +               };
  24 +       };
  25 +
  26         __overrides__ {
  27                 cma-256 = <0>,"+0-1-2-3-4";
  28                 cma-192 = <0>,"-0+1-2-3-4";