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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5a30c2f8808sm7357094a12.78.2024.07.23.04.45.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Jul 2024 04:45:56 -0700 (PDT) Message-ID: <04ef978f-2bfd-46cc-a9f7-40a6f1c507f8@linaro.org> Date: Tue, 23 Jul 2024 13:45:53 +0200 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 4/4] arm64: dts: qcom: add HDMI nodes for msm8998 To: Dmitry Baryshkov , Marc Gonzalez Cc: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Bjorn Andersson , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Arnaud Vrac , Pierre-Hugues Husson , Jeffrey Hugo References: <20240627-hdmi-tx-v5-0-355d5c1fbc3c@freebox.fr> <20240627-hdmi-tx-v5-4-355d5c1fbc3c@freebox.fr> <44101ecd-61f4-4609-bb22-12b40b692552@freebox.fr> Content-Language: en-US From: Konrad Dybcio Autocrypt: addr=konrad.dybcio@linaro.org; keydata= xsFNBF9ALYUBEADWAhxdTBWrwAgDQQzc1O/bJ5O7b6cXYxwbBd9xKP7MICh5YA0DcCjJSOum BB/OmIWU6X+LZW6P88ZmHe+KeyABLMP5s1tJNK1j4ntT7mECcWZDzafPWF4F6m4WJOG27kTJ HGWdmtO+RvadOVi6CoUDqALsmfS3MUG5Pj2Ne9+0jRg4hEnB92AyF9rW2G3qisFcwPgvatt7 TXD5E38mLyOPOUyXNj9XpDbt1hNwKQfiidmPh5e7VNAWRnW1iCMMoKqzM1Anzq7e5Afyeifz zRcQPLaqrPjnKqZGL2BKQSZDh6NkI5ZLRhhHQf61fkWcUpTp1oDC6jWVfT7hwRVIQLrrNj9G MpPzrlN4YuAqKeIer1FMt8cq64ifgTzxHzXsMcUdclzq2LTk2RXaPl6Jg/IXWqUClJHbamSk t1bfif3SnmhA6TiNvEpDKPiT3IDs42THU6ygslrBxyROQPWLI9IL1y8S6RtEh8H+NZQWZNzm UQ3imZirlPjxZtvz1BtnnBWS06e7x/UEAguj7VHCuymVgpl2Za17d1jj81YN5Rp5L9GXxkV1 aUEwONM3eCI3qcYm5JNc5X+JthZOWsbIPSC1Rhxz3JmWIwP1udr5E3oNRe9u2LIEq+wH/toH kpPDhTeMkvt4KfE5m5ercid9+ZXAqoaYLUL4HCEw+HW0DXcKDwARAQABzShLb25yYWQgRHli Y2lvIDxrb25yYWQuZHliY2lvQGxpbmFyby5vcmc+wsGOBBMBCAA4FiEEU24if9oCL2zdAAQV R4cBcg5dfFgFAmQ5bqwCGwMFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQR4cBcg5dfFjO BQ//YQV6fkbqQCceYebGg6TiisWCy8LG77zV7DB0VMIWJv7Km7Sz0QQrHQVzhEr3trNenZrf yy+o2tQOF2biICzbLM8oyQPY8B///KJTWI2khoB8IJSJq3kNG68NjPg2vkP6CMltC/X3ohAo xL2UgwN5vj74QnlNneOjc0vGbtA7zURNhTz5P/YuTudCqcAbxJkbqZM4WymjQhe0XgwHLkiH 5LHSZ31MRKp/+4Kqs4DTXMctc7vFhtUdmatAExDKw8oEz5NbskKbW+qHjW1XUcUIrxRr667V GWH6MkVceT9ZBrtLoSzMLYaQXvi3sSAup0qiJiBYszc/VOu3RbIpNLRcXN3KYuxdQAptacTE mA+5+4Y4DfC3rUSun+hWLDeac9z9jjHm5rE998OqZnOU9aztbd6zQG5VL6EKgsVXAZD4D3RP x1NaAjdA3MD06eyvbOWiA5NSzIcC8UIQvgx09xm7dThCuQYJR4Yxjd+9JPJHI6apzNZpDGvQ BBZzvwxV6L1CojUEpnilmMG1ZOTstktWpNzw3G2Gis0XihDUef0MWVsQYJAl0wfiv/0By+XK mm2zRR+l/dnzxnlbgJ5pO0imC2w0TVxLkAp0eo0LHw619finad2u6UPQAkZ4oj++iIGrJkt5 Lkn2XgB+IW8ESflz6nDY3b5KQRF8Z6XLP0+IEdLOOARkOW7yEgorBgEEAZdVAQUBAQdAwmUx xrbSCx2ksDxz7rFFGX1KmTkdRtcgC6F3NfuNYkYDAQgHwsF2BBgBCAAgFiEEU24if9oCL2zd AAQVR4cBcg5dfFgFAmQ5bvICGwwACgkQR4cBcg5dfFju1Q//Xta1ShwL0MLSC1KL1lXGXeRM 8arzfyiB5wJ9tb9U/nZvhhdfilEDLe0jKJY0RJErbdRHsalwQCrtq/1ewQpMpsRxXzAjgfRN jc4tgxRWmI+aVTzSRpywNahzZBT695hMz81cVZJoZzaV0KaMTlSnBkrviPz1nIGHYCHJxF9r cIu0GSIyUjZ/7xslxdvjpLth16H27JCWDzDqIQMtg61063gNyEyWgt1qRSaK14JIH/DoYRfn jfFQSC8bffFjat7BQGFz4ZpRavkMUFuDirn5Tf28oc5ebe2cIHp4/kajTx/7JOxWZ80U70mA cBgEeYSrYYnX+UJsSxpzLc/0sT1eRJDEhI4XIQM4ClIzpsCIN5HnVF76UQXh3a9zpwh3dk8i bhN/URmCOTH+LHNJYN/MxY8wuukq877DWB7k86pBs5IDLAXmW8v3gIDWyIcgYqb2v8QO2Mqx YMqL7UZxVLul4/JbllsQB8F/fNI8AfttmAQL9cwo6C8yDTXKdho920W4WUR9k8NT/OBqWSyk bGqMHex48FVZhexNPYOd58EY9/7mL5u0sJmo+jTeb4JBgIbFPJCFyng4HwbniWgQJZ1WqaUC nas9J77uICis2WH7N8Bs9jy0wQYezNzqS+FxoNXmDQg2jetX8en4bO2Di7Pmx0jXA4TOb9TM izWDgYvmBE8= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 23.07.2024 11:59 AM, Dmitry Baryshkov wrote: > On Tue, 23 Jul 2024 at 12:48, Marc Gonzalez wrote: >> >> On 16/07/2024 18:37, Dmitry Baryshkov wrote: >> >>> No, that's fine. It is the SMMU issue that Konrad has been asking you >>> to take a look at. >> >> Context: >> >> [ 4.911422] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.923353] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.927893] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.941928] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.944438] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.956013] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.961055] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.974565] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.977628] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.989670] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> >> >> As I mentioned, I don't think I've ever seen issues from cd00000.iommu >> on my board. > > Interestingly enough, I can also see iommu errors during WiFi startup > / shutdown on msm8998 / miix630. This leads me to thinking that it > well might be that there is a missing quirk in the iommu driver. > >> >> I can test a reboot loop for a few hours, to see if anything shows up. > > Yes, pleas. Yeah I do trust you Marc that it actually works for you and I'm not gonna delay this series because of that, but please go ahead and reboot-loop your board 8998/660 is """famous""" for it's iommu problems Konrad 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 3A147C3DA63 for ; Tue, 23 Jul 2024 11:46:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To: Subject:MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gn9LVIB1lOf2NAxSgei3IX03I6ois0n9Q3NXFCEtUUs=; b=2jv5R8cwNh++J8 iOEmwYSdf+hQdWb27YWzRE4pj1I38wBrHeTfLHloQ3dlwjyY39Bk/FIrB9GVs3QojJGy1Hz7CqlT8 tyt1eeeVo7q/YEL1Fo1iYj1wAA1VnCxYEECmZHRLhxpPjlZr8YUZOUIz6dGX6J0/WCAofoCDIl9oN 2gXAkGawcRI8zhTNvItO2L3v3tasCRHcANZhcQpTbAd3Xsc9x5aWvVQXDIQ7NY5it7J3+gb8O6Bs4 zzwyfu7MubYx43XSlur+ZlNz6HGjmPwjga2wobbkwuRULYUo62u7k72K1q8bcWI3cGBFF6tV7o+yy SgB1fKXgSikIqTTc8FFQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sWDxz-0000000CJeO-2GDJ; Tue, 23 Jul 2024 11:46:03 +0000 Received: from mail-ed1-x52b.google.com ([2a00:1450:4864:20::52b]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sWDxw-0000000CJde-0M5G for linux-phy@lists.infradead.org; Tue, 23 Jul 2024 11:46:01 +0000 Received: by mail-ed1-x52b.google.com with SMTP id 4fb4d7f45d1cf-5a1c496335aso2346795a12.1 for ; Tue, 23 Jul 2024 04:45:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1721735158; x=1722339958; darn=lists.infradead.org; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:from:to:cc:subject:date:message-id:reply-to; bh=9xI6NYtG5D71HTe6PS66i4200HgJO39wGthc1X+t2sM=; b=rvawa0IWClOPWZsbmAOM86IqB7GoXXKP4gBJXBYzph4k9cyR0iXEx9Xh/w9XDCO/8w g5iVslpUff5yVG+Ihn6AcJLn17zGU5QaqVPyYSj2fuO/c5OFYQ+qJvT1Xq9vnDLWy112 r7nhGXKuPANyYtJSkRpd4sXz6Op5/EdICmJb908/iyuViTHcc25qgBIqiI/Dk5F6HXdF LSOIp8OcWz7uN1P9hym2G5++ZdUnFZ3QXE7OnJJA+4dtEsToxvXlQZO10/o0TBS8Ld9U 32K+dJ8xCTj05GTLhMfY4aoX4NTqOG5JHt244HHk7PFZ7J2ADH2vl7VnFGvn4mvSY+g5 cm9Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721735158; x=1722339958; h=content-transfer-encoding:in-reply-to:autocrypt:from :content-language:references:cc:to:subject:user-agent:mime-version :date:message-id:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=9xI6NYtG5D71HTe6PS66i4200HgJO39wGthc1X+t2sM=; b=Z59Q8r38fkWr6DL0FSwm/6X1sh6YP2OXuo8XZQ5c0sqUgsqpI/UxEbDDCvLB7cjLbE VpOpE5pPAla1wz6DYmaNYkpXx9SJ8Sm77RWFahlybC92tbNQJSsY/+ZSJZxIF3hUZShl DGYiCNkNpv3epUwKLV/aXvJ8FwkGm+Zr8/nOBc/qG1BuWHK7Gyk4Pwa0rrSYfY2dqXTg 1dBpiBF9+D37DnqPYhbGyOxpFMw8ea1ESu8I5hi+wgLFJ/aoDwJQ9EKYmHx6ftVFmiEp xE07gQZfKclg7dJF99VLT4Xp+8H0n2dTjJydhUyMtpP3b/G1F3LIyF4HwAkfqhS+eoDs LHzQ== X-Forwarded-Encrypted: i=1; AJvYcCX8tBYu1AvrlkDtaoR5voJ1NUD/MMOTKelx86uUyOCWUg6I72xGhyebodvgr1A31puwmZnTxlQeXpLKcZwIt+YueSQK0lduXOfjaob10Q== X-Gm-Message-State: AOJu0YzPXzOkZAANcJ4MVJH1s+fTT+QqBXQrz1jke1RgQuIDBcwdOzqd WtAyIpA4aqLj2y6z5d120EesPb9yW6RZfxwn0cWwexHtpJNtzFEiOc5dk+sdGsU= X-Google-Smtp-Source: AGHT+IG0pPkoZZXyMZz/LbJS8kKuhTvS33Qn3WHX2CF+Qti+Wh49c7/9SmS/Bm8ZABfjYVNXetMwlw== X-Received: by 2002:a05:6402:2710:b0:57a:3046:1cd8 with SMTP id 4fb4d7f45d1cf-5a478b678dbmr9273679a12.7.1721735157403; Tue, 23 Jul 2024 04:45:57 -0700 (PDT) Received: from [192.168.105.194] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5a30c2f8808sm7357094a12.78.2024.07.23.04.45.53 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 23 Jul 2024 04:45:56 -0700 (PDT) Message-ID: <04ef978f-2bfd-46cc-a9f7-40a6f1c507f8@linaro.org> Date: Tue, 23 Jul 2024 13:45:53 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v5 4/4] arm64: dts: qcom: add HDMI nodes for msm8998 To: Dmitry Baryshkov , Marc Gonzalez Cc: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rob Clark , Abhinav Kumar , Sean Paul , Marijn Suijten , David Airlie , Daniel Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Bjorn Andersson , linux-arm-msm@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, Arnaud Vrac , Pierre-Hugues Husson , Jeffrey Hugo References: <20240627-hdmi-tx-v5-0-355d5c1fbc3c@freebox.fr> <20240627-hdmi-tx-v5-4-355d5c1fbc3c@freebox.fr> <44101ecd-61f4-4609-bb22-12b40b692552@freebox.fr> Content-Language: en-US From: Konrad Dybcio Autocrypt: addr=konrad.dybcio@linaro.org; keydata= xsFNBF9ALYUBEADWAhxdTBWrwAgDQQzc1O/bJ5O7b6cXYxwbBd9xKP7MICh5YA0DcCjJSOum BB/OmIWU6X+LZW6P88ZmHe+KeyABLMP5s1tJNK1j4ntT7mECcWZDzafPWF4F6m4WJOG27kTJ HGWdmtO+RvadOVi6CoUDqALsmfS3MUG5Pj2Ne9+0jRg4hEnB92AyF9rW2G3qisFcwPgvatt7 TXD5E38mLyOPOUyXNj9XpDbt1hNwKQfiidmPh5e7VNAWRnW1iCMMoKqzM1Anzq7e5Afyeifz zRcQPLaqrPjnKqZGL2BKQSZDh6NkI5ZLRhhHQf61fkWcUpTp1oDC6jWVfT7hwRVIQLrrNj9G MpPzrlN4YuAqKeIer1FMt8cq64ifgTzxHzXsMcUdclzq2LTk2RXaPl6Jg/IXWqUClJHbamSk t1bfif3SnmhA6TiNvEpDKPiT3IDs42THU6ygslrBxyROQPWLI9IL1y8S6RtEh8H+NZQWZNzm UQ3imZirlPjxZtvz1BtnnBWS06e7x/UEAguj7VHCuymVgpl2Za17d1jj81YN5Rp5L9GXxkV1 aUEwONM3eCI3qcYm5JNc5X+JthZOWsbIPSC1Rhxz3JmWIwP1udr5E3oNRe9u2LIEq+wH/toH kpPDhTeMkvt4KfE5m5ercid9+ZXAqoaYLUL4HCEw+HW0DXcKDwARAQABzShLb25yYWQgRHli Y2lvIDxrb25yYWQuZHliY2lvQGxpbmFyby5vcmc+wsGOBBMBCAA4FiEEU24if9oCL2zdAAQV R4cBcg5dfFgFAmQ5bqwCGwMFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQR4cBcg5dfFjO BQ//YQV6fkbqQCceYebGg6TiisWCy8LG77zV7DB0VMIWJv7Km7Sz0QQrHQVzhEr3trNenZrf yy+o2tQOF2biICzbLM8oyQPY8B///KJTWI2khoB8IJSJq3kNG68NjPg2vkP6CMltC/X3ohAo xL2UgwN5vj74QnlNneOjc0vGbtA7zURNhTz5P/YuTudCqcAbxJkbqZM4WymjQhe0XgwHLkiH 5LHSZ31MRKp/+4Kqs4DTXMctc7vFhtUdmatAExDKw8oEz5NbskKbW+qHjW1XUcUIrxRr667V GWH6MkVceT9ZBrtLoSzMLYaQXvi3sSAup0qiJiBYszc/VOu3RbIpNLRcXN3KYuxdQAptacTE mA+5+4Y4DfC3rUSun+hWLDeac9z9jjHm5rE998OqZnOU9aztbd6zQG5VL6EKgsVXAZD4D3RP x1NaAjdA3MD06eyvbOWiA5NSzIcC8UIQvgx09xm7dThCuQYJR4Yxjd+9JPJHI6apzNZpDGvQ BBZzvwxV6L1CojUEpnilmMG1ZOTstktWpNzw3G2Gis0XihDUef0MWVsQYJAl0wfiv/0By+XK mm2zRR+l/dnzxnlbgJ5pO0imC2w0TVxLkAp0eo0LHw619finad2u6UPQAkZ4oj++iIGrJkt5 Lkn2XgB+IW8ESflz6nDY3b5KQRF8Z6XLP0+IEdLOOARkOW7yEgorBgEEAZdVAQUBAQdAwmUx xrbSCx2ksDxz7rFFGX1KmTkdRtcgC6F3NfuNYkYDAQgHwsF2BBgBCAAgFiEEU24if9oCL2zd AAQVR4cBcg5dfFgFAmQ5bvICGwwACgkQR4cBcg5dfFju1Q//Xta1ShwL0MLSC1KL1lXGXeRM 8arzfyiB5wJ9tb9U/nZvhhdfilEDLe0jKJY0RJErbdRHsalwQCrtq/1ewQpMpsRxXzAjgfRN jc4tgxRWmI+aVTzSRpywNahzZBT695hMz81cVZJoZzaV0KaMTlSnBkrviPz1nIGHYCHJxF9r cIu0GSIyUjZ/7xslxdvjpLth16H27JCWDzDqIQMtg61063gNyEyWgt1qRSaK14JIH/DoYRfn jfFQSC8bffFjat7BQGFz4ZpRavkMUFuDirn5Tf28oc5ebe2cIHp4/kajTx/7JOxWZ80U70mA cBgEeYSrYYnX+UJsSxpzLc/0sT1eRJDEhI4XIQM4ClIzpsCIN5HnVF76UQXh3a9zpwh3dk8i bhN/URmCOTH+LHNJYN/MxY8wuukq877DWB7k86pBs5IDLAXmW8v3gIDWyIcgYqb2v8QO2Mqx YMqL7UZxVLul4/JbllsQB8F/fNI8AfttmAQL9cwo6C8yDTXKdho920W4WUR9k8NT/OBqWSyk bGqMHex48FVZhexNPYOd58EY9/7mL5u0sJmo+jTeb4JBgIbFPJCFyng4HwbniWgQJZ1WqaUC nas9J77uICis2WH7N8Bs9jy0wQYezNzqS+FxoNXmDQg2jetX8en4bO2Di7Pmx0jXA4TOb9TM izWDgYvmBE8= In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240723_044600_171459_179BFC1E X-CRM114-Status: GOOD ( 13.90 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 23.07.2024 11:59 AM, Dmitry Baryshkov wrote: > On Tue, 23 Jul 2024 at 12:48, Marc Gonzalez wrote: >> >> On 16/07/2024 18:37, Dmitry Baryshkov wrote: >> >>> No, that's fine. It is the SMMU issue that Konrad has been asking you >>> to take a look at. >> >> Context: >> >> [ 4.911422] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.923353] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.927893] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.941928] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.944438] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.956013] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.961055] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.974565] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> [ 4.977628] arm-smmu cd00000.iommu: FSR = 00000402 [Format=2 TF], SID=0x0 >> [ 4.989670] arm-smmu cd00000.iommu: FSYNR0 = 00000021 [S1CBNDX=0 PNU PLVL=1] >> >> >> As I mentioned, I don't think I've ever seen issues from cd00000.iommu >> on my board. > > Interestingly enough, I can also see iommu errors during WiFi startup > / shutdown on msm8998 / miix630. This leads me to thinking that it > well might be that there is a missing quirk in the iommu driver. > >> >> I can test a reboot loop for a few hours, to see if anything shows up. > > Yes, pleas. Yeah I do trust you Marc that it actually works for you and I'm not gonna delay this series because of that, but please go ahead and reboot-loop your board 8998/660 is """famous""" for it's iommu problems Konrad -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy