From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4DFC6C64EC5 for ; Thu, 9 Feb 2023 12:11:24 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230330AbjBIMLX (ORCPT ); Thu, 9 Feb 2023 07:11:23 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49764 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230223AbjBIMLD (ORCPT ); Thu, 9 Feb 2023 07:11:03 -0500 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8AD7022002 for ; Thu, 9 Feb 2023 04:08:59 -0800 (PST) Received: by mail-ed1-x533.google.com with SMTP id eq11so1924435edb.6 for ; Thu, 09 Feb 2023 04:08:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=904SW+BexaY5gSGQMM2tL+PobzR+2se3XfXF3Xp0dkg=; b=VcHM6fnWS2rd8qeLJJX2qXGmJtzwpAgu5uwWMcU9xpf0+a6QxC8dvWUjE+7T1bHXn6 Sj8iSpoyrN+wkDH3biEDx85/24sHlBbbwBZhCn4vSwbn6o6lH5KZzdtNe7Oow5orHUrk 7xBdLcmivslkEnzPBTDTqrYDKLOoB8E2GF38k/1v6rv0uYlh6cTuo/KOZLIHFBsaRhD6 p7BXRR7jG9USp9/TxhDj3ipHYBI277p6VXuNguWwLsSRqyHx6p6mglC3a1hLhj5RsCgA EjLS+7DAALhen6bqopjIX9DVeX0yhsxfkM/bu+7fGrJYe8tAFplZGPlQTgRFup3im2uK UStg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=904SW+BexaY5gSGQMM2tL+PobzR+2se3XfXF3Xp0dkg=; b=MwJZOE9SdHrJT9mbJmXrsc2Uay43Cly7n44sNeS6BXZHYeDHDcpXLQrBDSrNVP/Zv+ Fgxx3tDdzEDNesdM/l924iinRJFDP/NZZvr0gJFcjqqLRSXwhdpFUMcPPsPlBGuHe22g G839bpxkYl7FCH9PtNf7gltP61ySTEF6y4x3rcUC8qTPgJEGqxf6pnGftgTE94cc6Qr8 52KCqT98LEyaLjGXyigPgFS+XPoJvkC3+RsQq7DGBZN/3FpRdpgZFE4v5KWu8WNax/0q Fbn5H3+RnXR0BNGJgrdUXcxgGoq5sbarR2FnZrAeKEqXQQItrb/HXjQidPQCPjjFQwJz XKwg== X-Gm-Message-State: AO0yUKXtbnRgeViiY9NoGo9GhYuRsBBapJX9ZEAsglnL+Zik2FcDBKXl r8nfCCIcJzDGHZK1fAEOLVyldw== X-Google-Smtp-Source: AK7set//29eAKo227abloPrVYabWD1sy23Qd5f2+m1UdGG0cIE3KNM+LjMZCuUQ96YW3mfWt/2PQ6A== X-Received: by 2002:a50:cd02:0:b0:4ab:1747:78b5 with SMTP id z2-20020a50cd02000000b004ab174778b5mr3327497edi.13.1675944538139; Thu, 09 Feb 2023 04:08:58 -0800 (PST) Received: from [192.168.1.101] (abxh117.neoplus.adsl.tpnet.pl. [83.9.1.117]) by smtp.gmail.com with ESMTPSA id t15-20020a50ab4f000000b004ab20338c5bsm357404edc.1.2023.02.09.04.08.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 09 Feb 2023 04:08:57 -0800 (PST) Message-ID: Date: Thu, 9 Feb 2023 13:08:55 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.7.1 Subject: Re: [PATCH] arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved Content-Language: en-US To: Bryan O'Donoghue , Amit Pundir , Dmitry Baryshkov Cc: Bjorn Andersson , Andy Gross , Rob Herring , Krzysztof Kozlowski , Caleb Connolly , linux-arm-msm , dt , lkml References: <20230124182857.1524912-1-amit.pundir@linaro.org> <39751511-3f06-7c39-9c21-208d4c272113@linaro.org> <1a840d88-e5b1-711c-b980-f57620c54472@linaro.org> <8508e3d5-7468-0b2f-5a43-7c439ecf2d8b@linaro.org> From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 9.02.2023 12:03, Bryan O'Donoghue 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 ? If the bootloader splash is enabled then this memory is used until the DPU driver instructs MDP5 pipes to suck data from a newly assigned address, so there's a short window where it is. Konrad > > --- > bod