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SubjectRe: your mail
On Mon 17 Aug 17:12 UTC 2020, Amit Pundir wrote:

> On Thu, 13 Aug 2020 at 12:38, Bjorn Andersson
> <bjorn.andersson@linaro.org> wrote:
> >
> > On Thu 06 Aug 15:31 PDT 2020, Konrad Dybcio wrote:
> >
> > > Subject: Re: [PATCH v4] arm64: dts: qcom: Add support for Xiaomi Poco F1 (Beryllium)
> > >
> > > >// This removed_region is needed to boot the device
> > > > // TODO: Find out the user of this reserved memory
> > > > removed_region: memory@88f00000 {
> > >
> > > This region seems to belong to the Trust Zone. When Linux tries to access it, TZ bites and shuts the device down.
> > >
> >
> > This is in line with what the documentation indicates and then it would
> > be better to just bump &tz_mem to a size of 0x4900000.
>
> Hi, so just to be sure that I got this right, you want me to extend
> &tz_mem to the size of 0x4900000 from the default size of 0x2D00000 by
> including this downstream &removed_region (of size 0x1A00000) +
> previously unreserved downstream memory region (of size 0x200000), to
> align with the starting address of &qseecom_mem?
>

Yes

Regards,
Bjorn

> I just gave this &tz_mem change a spin and I do not see any obvious
> regression in my limited smoke testing (Boots AOSP to UI with
> v5.9-rc1. Touch/BT/WiFi works) so far, with 20+ out-of-tree patches.
>
> Regards,
> Amit Pundir
>
> >
> > Regards,
> > Bjorn

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