[PATCH 1/2] media: dt-bindings: allwinner: video-engine: Fix number of IOMMU channels

Jernej Skrabec jernej.skrabec at gmail.com
Wed Nov 16 11:31:04 PST 2022


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 at 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
 
   memory-region:
     maxItems: 1
-- 
2.38.1




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