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[95.85.240.250]) by smtp.gmail.com with ESMTPSA id c125sm9995059wme.36.2021.07.24.11.56.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 24 Jul 2021 11:56:29 -0700 (PDT) Date: Sat, 24 Jul 2021 20:56:26 +0200 From: Petr Vorel To: linux-arm-msm@vger.kernel.org, Bjorn Andersson Cc: Konrad Dybcio , Alexey Minnekhanov , Andy Gross , Rob Herring , devicetree@vger.kernel.org Subject: Re: [PATCH v4 1/1] arm64: dts: qcom: msm8994-angler: Disable cont_splash_mem Message-ID: Reply-To: Petr Vorel References: <20210622191019.23771-1-petr.vorel@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20210622191019.23771-1-petr.vorel@gmail.com> Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Hi Bjorn, could you please queue also this fix? Angler needs it for booting. Kind regards, Petr > As the default definition breaks booting angler: > [ 1.862561] printk: console [ttyMSM0] enabled > [ 1.872260] msm_serial: driver initialized > D - 15524 - pm_driver_init, Delta > cont_splash_mem was introduced in 74d6d0a145835, but the problem > manifested after 86588296acbf ("fdt: Properly handle "no-map" field > in the memory region"). > Disabling it because Angler's firmware does not report where the memory > is allocated (dmesg from downstream kernel): > [ 0.000000] cma: Found cont_splash_mem@0, memory base 0x0000000000000000, size 16 MiB, limit 0x0000000000000000 > [ 0.000000] cma: CMA: reserved 16 MiB at 0x0000000000000000 for cont_splash_mem > Similar issue might be on Google Nexus 5X (lg-bullhead). Other MSM8992/4 > are known to report correct address. > Fixes: 74d6d0a145835 ("arm64: dts: qcom: msm8994/8994-kitakami: Fix up > the memory map") > Suggested-by: Konrad Dybcio > Signed-off-by: Petr Vorel > --- > Changes v3->v4: > * add a comment in dts (asked by Konrad) > Kind regards, > Petr > arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts | 4 ++++ > 1 file changed, 4 insertions(+) > diff --git a/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts b/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts > index ffe1a9bd8f70..c096b7758aa0 100644 > --- a/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts > +++ b/arch/arm64/boot/dts/qcom/msm8994-angler-rev-101.dts > @@ -1,12 +1,16 @@ > // SPDX-License-Identifier: GPL-2.0-only > /* Copyright (c) 2015, Huawei Inc. All rights reserved. > * Copyright (c) 2016, The Linux Foundation. All rights reserved. > + * Copyright (c) 2021, Petr Vorel > */ > /dts-v1/; > #include "msm8994.dtsi" > +/* Angler's firmware does not report where the memory is allocated */ > +/delete-node/ &cont_splash_mem; > + > / { > model = "Huawei Nexus 6P"; > compatible = "huawei,angler", "qcom,msm8994";