[PATCH 0/2] iommu/arm-smmu-qcom: Add SM7250 support

From: Ishu Brar via B4 Relay

Date: Fri Oct 16 2026 - 05:53:33 EST


This documents SMMUs of Qualcomm SM7250 (Snapdragon
765/765G/768G) and skips Adreno SMMU PRR setup on it.

As on SM8250, firmware resets device when PRR registers are
written, which happens as soon as GPU creates its first per-process
pagetable. Patch 1 adds the compatible to binding (apps SMMU and GPU
SMMU). Patch 2 excludes it from PRR callbacks.

Tested on OnePlus Nord (SM7250) with Vulkan on Adreno 620. The SoC
devicetree nodes are not part of this series.

Signed-off-by: Ishu Brar <patches@xxxxxxx>
---
Ishu Brar (2):
dt-bindings: arm-smmu: Document SM7250 SMMU
iommu/arm-smmu-qcom: Skip PRR setup on SM7250 GPU SMMU

Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 3 +++
drivers/iommu/arm/arm-smmu/arm-smmu-qcom.c | 1 +
2 files changed, 4 insertions(+)
---
base-commit: 7b7429c28ac01c8a2952225a4b8a742eec7359c3
change-id: 20261016-smmu-sm7250-957df02d9283

Best regards,
--
Ishu Brar <patches@xxxxxxx>