[PATCH v2 0/8] Host1x context isolation support

Jon Hunter jonathanh at nvidia.com
Fri Dec 17 03:16:09 PST 2021


On 14/12/2021 15:38, Robin Murphy wrote:

...

>> IOMMU/DT folks, any thoughts about this approach? The patches that are 
>> of interest outside of Host1x/TegraDRM specifics are patches 1, 2, 4, 
>> and 5.
> 
> FWIW it looks fairly innocuous to me. I don't understand host1x - 
> neither hardware nor driver abstractions - well enough to meaningfully 
> review it all (e.g. maybe it's deliberate that the bus .dma_configure 
> method isn't used?), but the SMMU patch seems fine given the Kconfig 
> solution to avoid module linkage problems.


Thanks Robin! Will, Joerg, is OK with you?

Mikko, I believe we are missing a dt-binding change to document the 
'memory-contexts' node which I assume you will add if everyone is OK 
with this?

Cheers
Jon

-- 
nvpublic



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