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

[Sumit Garg <sumit.garg@kernel.org>]

On Wed, Mar 04, 2026 at 01:09:31PM -0600, Bjorn Andersson wrote:
> 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@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?
> > 
> 
> 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?

Yeah it's already available internally and we are just waiting for a
public release of the Gunyah firmware which is expected to come before
v7.0 gets released.

So, please get these fixes in v7.0 as these are boot critical ones.

-Sumit

> Or can I just pick it for v7.1?
>
> Regards,
> Bjorn