linux-kernel - [PATCH v5 0/2] Add support for GPU SMMU on QCS8300

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Message-ID: <20250211-b4-branch-gfx-smmu-v5-0-ff0bcb6a3c51@quicinc.com>
Date: Tue, 11 Feb 2025 10:15:52 +0530
From: Pratyush Brahma <quic_pbrahma@...cinc.com>
To: Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        "Joerg
 Roedel" <joro@...tes.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski
	<krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <iommu@...ts.linux.dev>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>,
        Pratyush Brahma <quic_pbrahma@...cinc.com>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH v5 0/2] Add support for GPU SMMU on QCS8300

Enable GPU SMMU function on QCS8300 platform. GPU SMMU is required
for address translation in GPU device.

Signed-off-by: Pratyush Brahma <quic_pbrahma@...cinc.com>
---
Changes since v4:
- Corrected the clocks list to be inline with clock-names
- Removed stray whitespaces
- Added r-by tag from Krzysztof on the bindings patch
- Link to v4: https://lore.kernel.org/r/20250203-b4-branch-gfx-smmu-v4-0-eaa7aa762f48@quicinc.com

Changes since v3:
- Modified the order of clock voting and properties as suggested by Konrad
- Removed dependency on clocks in commit text as change is merged in
  linux-next before current base commit

Link to v3:
https://lore.kernel.org/all/20241227105818.28516-1-quic_pbrahma@quicinc.com/

Changes since v2:
Corrected typo in cover letter to include QCS8300
Link to
v2:https://lore.kernel.org/all/20241227104651.4531-1-quic_pbrahma@quicinc.com/

Changes since v1:
Updated bindings for gpu smmu for qcs8300 as per Dmitry's comment
Link to v1:
https://lore.kernel.org/all/20241224100521.7616-1-quic_pbrahma@quicinc.com/

To: Will Deacon <will@...nel.org>
To: Robin Murphy <robin.murphy@....com>
To: Joerg Roedel <joro@...tes.org>
To: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzk+dt@...nel.org>
To: Conor Dooley <conor+dt@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>
To: Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: iommu@...ts.linux.dev
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-arm-msm@...r.kernel.org

---
Pratyush Brahma (2):
      dt-bindings: arm-smmu: Document QCS8300 GPU SMMU
      arm64: dts: qcom: qcs8300: Add device node for  gfx_smmu

 .../devicetree/bindings/iommu/arm,smmu.yaml        |  3 +-
 arch/arm64/boot/dts/qcom/qcs8300.dtsi              | 39 ++++++++++++++++++++++
 2 files changed, 41 insertions(+), 1 deletion(-)
---
base-commit: a13f6e0f405ed0d3bcfd37c692c7d7fa3c052154
change-id: 20250131-b4-branch-gfx-smmu-b03261963064

Best regards,
-- 
Pratyush Brahma <quic_pbrahma@...cinc.com>