Re: [RFC PATCH 00/11] : media: iris: Migrate iommus to iris sub nodes

[Daniel J Blueman]

On Thu, 9 Jul 2026 at 20:35, Vikash Garodia
<vikash.garodia@xxxxxxxxxxxxxxxx> wrote:
> VPU hardwares have a limitation where VPU streams are associated with
> dedicated addressable address range, as illustrated below
...
> Mapping a stream outside its expected range can cause unintended
> behavior, including device crashes, as reported at:
> https://gitlab.freedesktop.org/drm/msm/-/work_items/100
...
> To address this limitation, the subset of stream/s are now represented as
> sub nodes, so that they can be associated to the respective addressable
> range.

Amazing work Vikash and team! This patch series applied on 7.2-rc2
resolves spontaneous rebooting with parallel streams eg when opening
https://ui.com in one or more browser tabs, resolving this platform
usability blocker. As such, this is absolutely relevant for -stable.

Tested-by: Daniel J Blueman <daniel@xxxxxxxxx>

Thanks again,
  Dan
-- 
Daniel J Blueman