Re: [PATCH 1/7] irqchip/gic-v3: Add a DMA Non-Coherent flag

[Marc Zyngier]

On 2023-03-10 08:05, Lucas Tanure wrote:
> The GIC600 integration in RK356x, used in rk3588, doesn't support
> any of the shareability or cacheability attributes, and requires
> both values to be set to 0b00 for all the ITS and Redistributor
> tables.
>
> This is loosely based on prior work from XiaoDong Huang and
> Peter Geis fixing this issue specifically for Rockchip 356x.

No.

If we are going to do *anything* about this thing, it is by
describing the actual topology. And it has to work for both DT
and ACPI.

Alternatively, this is an erratum.

        M.
--
Jazz is not dead. It just smells funny...