From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7E64E377021 for ; Mon, 2 Mar 2026 13:46:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772459201; cv=none; b=q8kLJCYMLUbeS/pW48r4wpZvg8yxBw47srjuSfpfTRyL0E8VZFrdN2wB8NyYq0YlTRR+DOHyPeC//IEkdGJfU+3Eo8vOFejtX0UP+CKCAvFYFtnB90a/MhAkUZNlhBI9Pc8dmmxczxI4IM8dzmpgtjFk7BRHGDx3XeNiQvQi8v4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772459201; c=relaxed/simple; bh=0NmgLHDqExFVIcuaL9SnOrt1schbgI00V9n6u02dpOg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cCNdb/C4jHozvpJk0RtzChomPMUOh765Wl9+ukbkt0l+A30+1oZtXzpU63WeEUcp849+/ClS9Hw4Xs/cXhSutc/SsXiJwGda3Cgr9kghXfBEV5C0W6Z+dM6xGFPuARygTRoJN/vPz1MwWWqwUAu0NMXvpt2BzRV9vI73U29Mb6I= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=Je1CKi7B; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=gX/6LVAg; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="Je1CKi7B"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="gX/6LVAg" Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 62285bEt662344 for ; Mon, 2 Mar 2026 13:46:39 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= 1VKdJzwWet07SkkHF5W6d2bdvsrjsh3dEIsPyBtnJEY=; b=Je1CKi7BU1g688PH y8YnJD8jhlgcf/vJinCIcNZBZp7jN4JeeqrslCoo1Say3NV858reSa47jjrnzn5F OhbTFLL/z9F6NnPyM+K+4wzFMpsmlvj/0MOiZtjeD7CFtLoFPXYA6uv7YQddzmQ0 6MZsh9rJu3gsCBizu3N/uFM7VscB1H10B+aiiTFVEtt6avA2VhHlKhkXc9g8nHmQ h3fRN186VuL9iTgLXoJGEsJ9L9JChWHJUfkucQxqvUS0Cp8k63v5BL85bOJHIpyC lCj2aN2UGrkrqAMC3TnER157y82X8qImmG7PRuwsifCr1hxbwUW9hJhHZ0b/uNS+ 3EAEhw== Received: from mail-qk1-f200.google.com (mail-qk1-f200.google.com [209.85.222.200]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4cn6r2s7ga-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 02 Mar 2026 13:46:39 +0000 (GMT) Received: by mail-qk1-f200.google.com with SMTP id af79cd13be357-8c70c91c8b0so433186785a.2 for ; Mon, 02 Mar 2026 05:46:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1772459199; x=1773063999; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=1VKdJzwWet07SkkHF5W6d2bdvsrjsh3dEIsPyBtnJEY=; b=gX/6LVAglfSyAEOhQFdSX56yucTqNaw2vaZjJNMksa0HPFRzMc9efjmdSjNbgamIoY gCas+16do/rwxYPsq8Wtb5UMhf67AYbm+MCSyPBU8pODTSWMPr5/rg3geu+ryAas36rg C2y5jo6Wu7T99lZ4UW2pRTkCuHWGfLG/yjPBl30FUWdGGFDusQuKVfJSq2hbmWGagfcR tbTNPuqN+fu+c9PQeZT0117EXIq3ZJqRz3yoLo/XO8issi58POtoBu78/1PhZfcJ6FOJ wy4RUmJHx6fawM6AeENLLx9evBHdg+p8gkProS7nyBEvz1iAS2lslTQIYjWfCHOWDcjd ZbkA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1772459199; x=1773063999; h=content-transfer-encoding:in-reply-to:from:content-language :references:cc:to:subject:user-agent:mime-version:date:message-id :x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=1VKdJzwWet07SkkHF5W6d2bdvsrjsh3dEIsPyBtnJEY=; b=hTY9iLoTbCfA43YBd7+33ZCJmZXEaGOLJBfQpMntgOwfsJFu1Q11+vOz6pvkUYz+s6 WagE/oQjyAg94TlfgXO9/fv1R/FquiYg0aC8c7z9mSWs97oASImf8Wg9Mor7yJDpCdnH Mk5PLPZMxrVnIdznX2TXorgGU4s0cJnZL/q55ZzOO876HVsEwlyAIZtivL+PGBK6F9HD kPCx33/oVXH33WlbNj5HU5e2ks5ou94dK/zYAWjaXUdNYamNfMM8QVYagoTtDq/MG5E8 tys0JMSg51qTDhI/8A/1fGBxnPxBpRGh3NW+EHoEpJ4FhBfMPcuisZ3l9PpKTz/Dq6GN MrKw== X-Forwarded-Encrypted: i=1; AJvYcCUfiG8D5UrGlRgjcMmEdnaNU/YsvyrD2y+1X1LccvLkO8mWSP77+oTCY1RZwKF3d4noBoakPLDRs+smW7ek@vger.kernel.org X-Gm-Message-State: AOJu0YzQlbwAKIg48Q60fBunGjkXF7G8GGgRsbgXR33IhxQNXCTkW1g8 jyMgm2dtSgI0SV3LykmlwPw1IlSIYcCo5+kUxw/CRaFAobkibFQWk3SdsG4lAC+GLKeTeqO9MKy 2syWz0Cou0gGA7V8bDoh1XD4jyr4oKFHDJRPJzQg2xzLpXFxqhcRS8K4POqqQs4sUDKzU X-Gm-Gg: ATEYQzxnsKvOKk79xWyuoT3Wd0AAsuBdmsXEWocRewjHcpGF6WL24U2ZTNdNhPftrvJ FDqDqiWX/60kGPUvxBR2/WaS8Xi2E+xtjhIzFWW+/zGIbAkzGbuIZYaJ3AKq6GIsbTT63+QrFyM W7yeTtFmlaRUciLZn46dxTp2NzpQ89QsmeZ+ifau4xdY+avxHKtblFBJ1t1B7DfnSyUaZkuWQjD pU9/DBtUidL9CJxp5h4C0Ce9xcE4wv/qcbTIfHUbnV4maFYhTtNHuOafPdxVIAcEeFIArvYH0VK TNg1cs4udhG1UGgwM+MaAoiF7Sk9OFEe6rOXkmjkH8xrOA9wFnZtw42HbYQQHzvXizD0H2rmKbx AU9Bk9lAOjKaDj6IksZXBZ9wlWscNBbZpmT3ekNw97uLwps85wTAZV7YeRn0vqTFIZ4J1OYlah1 raaZM= X-Received: by 2002:a05:620a:2806:b0:8c9:eae0:d1df with SMTP id af79cd13be357-8cbc8ef417fmr1208188285a.6.1772459198589; Mon, 02 Mar 2026 05:46:38 -0800 (PST) X-Received: by 2002:a05:620a:2806:b0:8c9:eae0:d1df with SMTP id af79cd13be357-8cbc8ef417fmr1208182885a.6.1772459197877; Mon, 02 Mar 2026 05:46:37 -0800 (PST) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b93987b9f73sm259566666b.47.2026.03.02.05.46.34 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Mar 2026 05:46:36 -0800 (PST) Message-ID: Date: Mon, 2 Mar 2026 14:46:33 +0100 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 1/2] drm/msm/dpu: fix mismatch between power and frequency To: Dmitry Baryshkov Cc: yuanjiey , robin.clark@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, jesszhan0024@gmail.com, sean@poorly.run, marijn.suijten@somainline.org, airlied@gmail.com, simona@ffwll.ch, krzysztof.kozlowski@linaro.org, linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, tingwei.zhang@oss.qualcomm.com, aiqun.yu@oss.qualcomm.com, yongxing.mou@oss.qualcomm.com References: <20260109083808.1047-2-yuanjie.yang@oss.qualcomm.com> <4g6fyehdc3fejx3pzeysmghigazfei3jz2vmnvxrnqkkbtbxdb@bdlcddxlvbhl> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: 9XG9VuIFDlVzbMoJjTfRvaeeEDSSCzbH X-Proofpoint-ORIG-GUID: 9XG9VuIFDlVzbMoJjTfRvaeeEDSSCzbH X-Authority-Analysis: v=2.4 cv=Hpp72kTS c=1 sm=1 tr=0 ts=69a594bf cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=DJpcGTmdVt4CTyJn9g5Z:22 a=EUspDBNiAAAA:8 a=pGLkceISAAAA:8 a=v90i8EJGIdyDnMh8qEMA:9 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzAyMDExNiBTYWx0ZWRfX3iQrvmGlbqKs nLd3eND9N3CP/2IJVj0cxQdBHzC9bSwj5p9lAchYANgrkk67FEIBjjYAFFqLwSBhMwNiKfDjBpG SYHmG2WWxO2WFtRV2xWs11Ewm+uQjH+rBLjdoDU5kzCmnpHThQ2/mxouduc4kmu6e+/iL0yzoBr kV/xXRBfYa872eHdGuO20qXzegwcWODtu6kMGJGgwH+7Iix1Lc1cB+/dfTMNfFLcWbCfEP1S9d8 oMnTtLLjbHo6myBaeHpIeaxQ52pRRhLD3xqbuw19CtBXy0tX5/7f6LkOo9jLnAsMAXq9+x87TkI 2lNPcl3XOHw8yToIspP/9QzxSveV3v+w98q1MaSkvESynS2pQG35e/tsNJ/R2vW/9jpCu/j5VuY zsXTY8WWgwS8/31G6IpN0WEXIDFhLuinimtbkXU2vpydsaEnZj/mbLbqtUr55PfCQHE8Q4/WU5z OEys3v5xEtYHOs8oNKg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-02_03,2026-03-02_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 impostorscore=0 phishscore=0 priorityscore=1501 adultscore=0 bulkscore=0 malwarescore=0 clxscore=1015 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603020116 On 3/2/26 2:28 PM, Dmitry Baryshkov wrote: > On Mon, Mar 02, 2026 at 11:41:59AM +0100, Konrad Dybcio wrote: >> On 2/27/26 8:05 PM, Dmitry Baryshkov wrote: >>> On Fri, Feb 27, 2026 at 12:34:04PM +0100, Konrad Dybcio wrote: >>>> On 2/27/26 4:48 AM, Dmitry Baryshkov wrote: >>>>> On Thu, Feb 26, 2026 at 02:35:52PM +0100, Konrad Dybcio wrote: >>>>>> On 1/12/26 9:25 AM, yuanjiey wrote: >>>>>>> On Mon, Jan 12, 2026 at 09:38:41AM +0200, Dmitry Baryshkov wrote: >>>>>>>> On Mon, 12 Jan 2026 at 08:23, yuanjiey wrote: >>>>>>>>> >>>>>>>>> On Fri, Jan 09, 2026 at 05:22:37PM +0200, Dmitry Baryshkov wrote: >>>>>>>>>> On Fri, Jan 09, 2026 at 04:38:07PM +0800, yuanjie yang wrote: >>>>>>>>>>> From: Yuanjie Yang [...] >>> 1.0 - old MSM8974 >>> I'd rather not touch it, it had bugs and I don't have HW >> >> I have reasons to believe msm8974 v1.0 never reached store shelves. >> Let's remove this. > > Please send a patch ;-) done! > >> >>> 1.1 - MSM8x26 >>> Probably Luca can better comment on it. Should be doable, but I >>> don't see upstream devices using display on it. >> >> Because there's no iommu support for these > > I promised to put it on my todo list, but the list is very long. > >> >>> 1.2 - MSM8974 >>> I think it also had issues, no IOMMU support in upstream, etc. >>> 1.3 - APQ8084 >>> Had hw issues, no testing base, no MDSS in upstream DT >>> 1.6 - MSM8916 / MSM8939 >>> Can be done, low-hanging fruit for testing >>> 1.7 - MSM8996 >>> Supported in DPU >>> 1.8 - MSM8936 >>> No upsteram testing base >> >> 8936 is 39 with some CPUs fused off (unless you have info suggesting >> otherwise) > > Hmm, you added 8x36 to mdp5_cfg.c, stating it is 1.8. See commit > 81c4389e4835 ("drm/msm/mdp5: Add MDP5 configuration for MSM8x36.") > Author: Konrad Dybcio > > Please remove it from the mdp5_cfg to avoid confusion. v1.6 is strictly for 8916. 8936/39 both use v1.8. >>> 1.9 - MSM8994 >>> No upstream testing base, no MDSS in upstream DT, normal CURSOR planes >>> 1.10 - MSM8992 >>> Even less testing base, no MDSS in upstream DT, normal CURSOR planes >>> 1.11 - MSM8956 / 76 >>> No complete display configurations upstream >> >> +Marijn, is your computer museum still running? > > Should we open a Qualcomm Virtual Museum? Maybe someone has a drawer full of QSD8250s! > >> >>> 1.14 - MSM8937 >>> Supported in DPU >>> 1.15 - MSM8917 >>> Supported in DPU >>> 1.16 - MSM8953 >>> Supported in DPU >>> 1.17 - QCS405 >>> Zero testing base, no MDSS in upstream DT >> >> No upstream MDP5 support either. And it doesn't seem like that SoC had >> much uses that didn't end up with the thing glued shut.. > > I saw and touched devices, but that was display-less version. Only further confirming it's not worth pursuing Konrad