From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: Amit Pundir <amit.pundir@linaro.org>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Konrad Dybcio <konrad.dybcio@linaro.org>,
Bjorn Andersson <andersson@kernel.org>,
Andy Gross <agross@kernel.org>, Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Caleb Connolly <caleb.connolly@linaro.org>,
linux-arm-msm <linux-arm-msm@vger.kernel.org>,
dt <devicetree@vger.kernel.org>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved
Date: Mon, 10 Apr 2023 13:44:39 +0100 [thread overview]
Message-ID: <e10f7b87-0bc7-5e13-1757-bbf74c9cac86@linaro.org> (raw)
In-Reply-To: <CAMi1Hd2xfH-=htvHFQRktdgtDwiXKKvFo+9hook4HCJCPY6ydA@mail.gmail.com>
On 10/04/2023 09:54, Amit Pundir wrote:
> On Thu, 9 Feb 2023 at 16:33, Bryan O'Donoghue
> <bryan.odonoghue@linaro.org> 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
Personally I'm fine with this patch on the proviso we somehow associate
it the memory MDP - even if its just a comment in the dts with the MDP.
i.e. if we run headless we want to be able to use that RAM for something.
A dts comment would do
---
bod
prev parent reply other threads:[~2023-04-10 12:45 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-24 18:28 Amit Pundir
2023-01-31 10:46 ` Caleb Connolly
2023-01-31 10:54 ` Bryan O'Donoghue
2023-01-31 11:06 ` Dmitry Baryshkov
2023-01-31 12:45 ` Konrad Dybcio
2023-01-31 13:33 ` Dmitry Baryshkov
2023-02-09 9:05 ` Amit Pundir
2023-02-09 11:03 ` Bryan O'Donoghue
2023-02-09 12:08 ` Konrad Dybcio
2023-02-09 12:11 ` Bryan O'Donoghue
2023-02-09 12:22 ` Bryan O'Donoghue
2023-02-09 12:32 ` Konrad Dybcio
2023-02-09 13:54 ` Dmitry Baryshkov
2023-04-10 8:51 ` Amit Pundir
2023-04-10 8:54 ` Amit Pundir
2023-04-10 12:44 ` Bryan O'Donoghue [this message]
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