LinuxTV Patchwork [v2,02/15] ARM: dts: sun8i: a33: Remove unnecessary reserved memory node

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Submitter Paul Kocialkowski
Date Dec. 5, 2018, 9:24 a.m.
Message ID <20181205092444.29497-3-paul.kocialkowski@bootlin.com>
Download mbox | patch
Permalink /patch/53289/
State Not Applicable
Delegated to: Hans Verkuil
Headers show

Comments

Paul Kocialkowski - Dec. 5, 2018, 9:24 a.m.
While we believed that the memory for the video engine had to be kept
in the first 256 MiBs of DRAM, this is no longer true starting with the
A33 and any address can be mapped.

As a result, remove the reserved memory node and let the kernel allocate
the CMA pool wherever it sees fit.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
---
 arch/arm/boot/dts/sun8i-a33.dtsi | 15 ---------------
 1 file changed, 15 deletions(-)

Patch

diff --git a/arch/arm/boot/dts/sun8i-a33.dtsi b/arch/arm/boot/dts/sun8i-a33.dtsi
index c2c10cd4a210..9ac4fae6c10d 100644
--- a/arch/arm/boot/dts/sun8i-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a33.dtsi
@@ -186,21 +186,6 @@ 
 		};
 	};
 
-	reserved-memory {
-		#address-cells = <1>;
-		#size-cells = <1>;
-		ranges;
-
-		/* Address must be kept in the lower 256 MiBs of DRAM for VE. */
-		default-pool {
-			compatible = "shared-dma-pool";
-			size = <0x6000000>;
-			alloc-ranges = <0x4a000000 0x6000000>;
-			reusable;
-			linux,cma-default;
-		};
-	};
-
 	sound: sound {
 		compatible = "simple-audio-card";
 		simple-audio-card,name = "sun8i-a33-audio";

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