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