head -r365677 and later do not have the xhci related DMA problem fixed

[Robert Crowston]

Yes: aren’t you dependent on the unrelated D25219 to fix uefi?

The DMA patch I submitted is at the PCI-e level; I haven’t touched xhci. Sorry for confusion!

— RHC.

On Thu, Sep 24, 2020 at 22:30, Klaus Cucinauomo via freebsd-arm <freebsd-arm at freebsd.org> wrote:

>> Am 24.09.2020 um 21:04 schrieb Mark Millard via freebsd-arm <freebsd-arm at freebsd.org>:
>>
>>
>> This puts the sytem after then head -r365677 check in of the
>> attempted DMA fix that involved restricting the xhci DMA range to
>> 1 GiByte.
>>
>> I've tested head -r363932 under uefi/ACPI v1.20 …...
>
> Hi Mark,
>
> `hope we talk about the same context:
> The 1GB DMA range fix from Rob in https://reviews.freebsd.org/D26344 <https://reviews.freebsd.org/D26344>
> has NOTHING to do with UEFI/ACPI.
> It addresses the pcie-driver for fdt(u-boot).
> While there is probably some inheritances in the USB/pcie-chain:
> pcie is NOT exposed to the OS by rpi4Uefi-dev.
>
> Regards
>
> Klaus
>
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