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29 lines
796 B
Diff
29 lines
796 B
Diff
From 9ca847e5e96f1cb3e9886434c25cb755124dfdb9 Mon Sep 17 00:00:00 2001
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From: Martin Sperl <kernel@martin.sperl.org>
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Date: Sat, 23 Apr 2016 14:20:41 +0000
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Subject: [PATCH] ARM: bcm2835: make dma-channel-0 available for kms setups
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Enable the use of dma-channel 0 when using the vc4-kms-v3d overlay.
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Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
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---
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arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts | 7 +++++++
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1 file changed, 7 insertions(+)
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--- a/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
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+++ b/arch/arm/boot/dts/overlays/vc4-kms-v3d-overlay.dts
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@@ -119,6 +119,13 @@
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};
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};
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+ fragment@15 {
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+ target-path = "/soc/dma";
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+ __overlay__ {
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+ brcm,dma-channel-mask = <0x7f35>;
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+ };
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+ };
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+
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__overrides__ {
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cma-256 = <0>,"+0-1-2-3-4";
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cma-192 = <0>,"-0+1-2-3-4";
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