Re: [PATCH] arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved

[Amit Pundir]

On Thu, 9 Feb 2023 at 16:33, Bryan O'Donoghue
<bryan.odonoghue@xxxxxxxxxx> wrote:
>
> On 09/02/2023 09:05, Amit Pundir wrote:
> > Hi, So what is the verdict on this patch?
> >
> > I submitted this fix to make sure UFS don't map and crash on it, which
> > I have seen happening occassionaly on db845c and Caleb reported
> > similar issues on his sdm845 device iirc. I should have probably put
> > that in my commit message as well.
> >
> > Regards,
> > Amit Pundir
>
> So the memory _is_ being used by ... continuous splash on an Android
> image, i.e. your Android ? limited to Android - image continues on with
> the splash but other blocks erroneously reuse the memory then, UFS as an
> example ?

Hi Bryan,

Yes UFS (reported only on v5.10) tries to map this reserved memory and
system crash and reboot. Plan is to backport this patch to v5.10.y.

Regards,
Amit Pundir

>
> ---
> bod