Re: [PATCH v3 0/3] arm64: dts: qcom: agatti: Fix IOMMU DT properties

[Bjorn Andersson]

On Mon, Mar 02, 2026 at 06:23:18PM +0530, Sumit Garg wrote:
> 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@xxxxxxxxxxxxxxxx>
> > > 
> > > 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?
> 

Thanks for the ping. Is the Gunyah firmware generally available and
would this thereby be considered a regression that we need to fix for
v7.0? Or can I just pick it for v7.1?

Regards,
Bjorn

> -Sumit