aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/brcm2708/patches-4.4/0404-ARM-bcm2835-make-dma-channel-0-available-for-kms-set.patch
blob: d00a19b5de5f04385c179f8858a28f4148bd49ae (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
From 0cbf2a548657ddbeb0b7b7d144cc4f46f477b2fc 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] 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";