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

Marc Zyngier maz at kernel.org
Fri Mar 10 00:56:28 PST 2023

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.


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.

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

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