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

[Mark Millard]

On 2020-Sep-24, at 14:30, Klaus Cucinauomo <maciphone2 at googlemail.com> 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
> 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.


If the limit imposed is not general for the RPi4B's, then
yea, all my report would mean is that I've confirmed it
not applying to the uefi/ACPI context.

If so, sorry for the noise.

===
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)