Re: [PATCH 1/8] dt-bindings: dma: nvidia,tegra186-gpc-dma: Add iommu-map property

[Rob Herring]

On Wed, Feb 18, 2026 at 3:59 AM Jon Hunter <jonathanh@xxxxxxxxxx> wrote:
>
>
> On 17/02/2026 19:53, Krzysztof Kozlowski wrote:
> > On 17/02/2026 18:34, Akhil R wrote:
> >> Add iommu-map property which helps when each channel requires its own
> >> stream ID for the transfer. Use iommu-map to specify separate stream
> >> ID for each channel. This enables each channel to be in its own iommu
> >> domain and keeps the memory isolated from other devices sharing the
> >> same DMA controller.
> >>
> >> Signed-off-by: Akhil R <akhilrajeev@xxxxxxxxxx>
> >> ---
> >>   .../devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml  | 8 ++++++++
> >>   1 file changed, 8 insertions(+)
> >>
> >> diff --git a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> >> index 0dabe9bbb219..542e9cb9f641 100644
> >> --- a/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> >> +++ b/Documentation/devicetree/bindings/dma/nvidia,tegra186-gpc-dma.yaml
> >> @@ -14,6 +14,7 @@ description: |
> >>   maintainers:
> >>     - Jon Hunter <jonathanh@xxxxxxxxxx>
> >>     - Rajesh Gumasta <rgumasta@xxxxxxxxxx>
> >> +  - Akhil R <akhilrajeev@xxxxxxxxxx>
> >
> > With 4.5 trillion USD capitalization of Nvidia one could assume they can
> > spare few resources to test the patch before sending it... instead of
> > relying on Rob's and my machines to do that for them.
> >
> > Expect grumpy review because you do not care about our time.
>
>
> ACK! We need to do a better job here. I will work with Akhil to improve
> this.

Anyone that wants to run a gitlab-runner (and docker) on one of their
machines to add to the test capacity would be more than welcomed. It's
pretty trivial to set up. The only requirement is something faster
than gitlab shared runners. My 2 machines are M1 and M3 MBPs.

Rob