linux-kernel - [PATCH v2] media: dt-bindings: qcom,sc7280-venus: Allow one IOMMU entry

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Date: Fri, 12 Apr 2024 16:19:50 +0200
From: Luca Weiss <luca.weiss@...rphone.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konrad.dybcio@...aro.org>, 
 Stanimir Varbanov <stanimir.k.varbanov@...il.com>, 
 Vikash Garodia <quic_vgarodia@...cinc.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>
Cc: ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org, 
 Stanimir Varbanov <stanimir.varbanov@...aro.org>, 
 linux-arm-msm@...r.kernel.org, linux-media@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, 
 Luca Weiss <luca.weiss@...rphone.com>
Subject: [PATCH v2] media: dt-bindings: qcom,sc7280-venus: Allow one IOMMU
 entry

Some SC7280-based boards crash when providing the "secure_non_pixel"
context bank, so allow only one iommu in the bindings also.

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
---
Reference:
https://lore.kernel.org/linux-arm-msm/20231201-sc7280-venus-pas-v3-2-bc132dc5fc30@fairphone.com/
---
Changes in v2:
- Pick up tags
- Otherwise just a resend, v1 was sent in January
- Link to v1: https://lore.kernel.org/r/20240129-sc7280-venus-bindings-v1-1-20a9ba194c60@fairphone.com
---
 Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml b/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
index 8f9b6433aeb8..10c334e6b3dc 100644
--- a/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
+++ b/Documentation/devicetree/bindings/media/qcom,sc7280-venus.yaml
@@ -43,6 +43,7 @@ properties:
       - const: vcodec_bus
 
   iommus:
+    minItems: 1
     maxItems: 2
 
   interconnects:

---
base-commit: 9ed46da14b9b9b2ad4edb3b0c545b6dbe5c00d39
change-id: 20240129-sc7280-venus-bindings-6e62a99620de

Best regards,
-- 
Luca Weiss <luca.weiss@...rphone.com>