Re: [PATCH 1/2] media: dt-bindings: allwinner: video-engine: Fix number of IOMMU channels
From: Samuel Holland <samuel@sholland.org>
Date: 2022-11-16 23:06:28
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linux-devicetree, linux-media, linux-sunxi, lkml
On 11/16/22 13:31, Jernej Skrabec wrote:
quoted hunk ↗ jump to hunk
Cedrus (video engine) on Allwinner H6 actually uses two IOMMU channel, not just one. However, Cedrus on SoCs like D1 only uses one channel. Allow up to 2 IOMMU channels. Fixes: 62a8ccf3a248 ("arm64: dts: allwinner: h6: Fix Cedrus IOMMU usage") Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com> --- .../bindings/media/allwinner,sun4i-a10-video-engine.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml index 541325f900a1..257bb372d166 100644 --- a/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml +++ b/Documentation/devicetree/bindings/media/allwinner,sun4i-a10-video-engine.yaml@@ -55,7 +55,7 @@ properties: description: Phandle to the device SRAM iommus: - maxItems: 1 + maxItems: 2
You need to add minItems: 1, or else this will require two items. Regards, Samuel
memory-region:
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