From: Sumit Garg <sumit.garg@kernel.org>
To: Rob Herring <robh@kernel.org>, andersson@kernel.org
Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
konradybcio@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
akhilpo@oss.qualcomm.com, vikash.garodia@oss.qualcomm.com,
dikshita.agarwal@oss.qualcomm.com, robin.clark@oss.qualcomm.com,
lumag@kernel.org, loic.poulain@oss.qualcomm.com,
jorge.ramirez@oss.qualcomm.com, linux-kernel@vger.kernel.org,
Sumit Garg <sumit.garg@oss.qualcomm.com>
Subject: Re: [PATCH v3 0/3] arm64: dts: qcom: agatti: Fix IOMMU DT properties
Date: Mon, 2 Mar 2026 18:23:18 +0530 [thread overview]
Message-ID: <aaWIPgKd-_cm4t7X@sumit-xelite> (raw)
In-Reply-To: <20260122172222.GA2670019-robh@kernel.org>
Hey Bjorn,
On Thu, Jan 22, 2026 at 11:22:22AM -0600, Rob Herring wrote:
> On Thu, Jan 22, 2026 at 05:40:39PM +0530, Sumit Garg wrote:
> > From: Sumit Garg <sumit.garg@oss.qualcomm.com>
> >
> > Fix IOMMU DT propeties for GPU, display and video peripherals via
> > dropping SMMU stream IDs which relates to secure context bank.
> >
> > This problem only surfaced when the Gunyah based firmware stack is
> > ported on Agatti replacing the legacy QHEE based firmware stack. Assigning
> > Linux kernel (HLOS) VMID to secure context bank stream IDs is treated
> > as a fault by Gunyah hypervisor which were previously ignored by QHEE
> > hypervisor.
> >
> > The DT changes should be backwards compatible with legacy QHEE based
> > firmware stack too.
>
> To avoid intermittent warnings, Bjorn should pick up the whole series.
>
Just a gentle reminder in case it slipped your attention. Can we pick
this as part of fixes for v7.0 release?
-Sumit
next prev parent reply other threads:[~2026-03-02 12:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-22 12:10 [PATCH v3 0/3] arm64: dts: qcom: agatti: Fix IOMMU DT properties Sumit Garg
2026-01-22 12:10 ` [PATCH v3 1/3] dt-bindings: display: msm: qcm2290-mdss: Fix iommus property Sumit Garg
2026-01-22 17:22 ` Rob Herring (Arm)
2026-01-22 12:10 ` [PATCH v3 2/3] dt-bindings: media: venus: " Sumit Garg
2026-01-22 17:22 ` Rob Herring (Arm)
2026-01-22 12:10 ` [PATCH v3 3/3] arm64: dts: qcom: agatti: Fix IOMMU DT properties Sumit Garg
2026-01-22 17:22 ` [PATCH v3 0/3] " Rob Herring
2026-03-02 12:53 ` Sumit Garg [this message]
2026-03-04 19:09 ` Bjorn Andersson
2026-03-05 6:34 ` Sumit Garg
2026-03-24 3:42 ` Bjorn Andersson
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