On Tue, Oct 01, 2024 at 07:27:21PM +0800, Fei Shao wrote: > On MediaTek platforms with Multimedia MMU (M4U), a multimedia hardware > can be assigned with a local arbiter (LARB) which has a maximum of 32 > ports for MediaTek's IOMMU infrastructure. That means there can be at > most 32 items in the iommus property in theory. > > Instead of relaxing the max item count every time a newly introduced > device tree hits the limit, bump the number to 32 as an one-time effort. > > On the other hand, all existing and foreseeable JPEG decoder nodes at > this point have at least 2 IOMMUs, so set minItems to 2 accordingly. > > Signed-off-by: Fei Shao <fshao@xxxxxxxxxxxx> > --- > It's not in the upstream tree yet, but the upcoming MT8188 DT will have > 6 IOMMUs in its JPEG decoder. This patch is to pave the way for that. > > Changes in v2: > New patch. > I do not see any user of this in this patchset. Best regards, Krzysztof
