From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 C9FE645C14 for ; Mon, 4 Aug 2025 12:35:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754310903; cv=none; b=srCvh9sw995k8XRCvvH0VPEPWo2J1xhsqM+2/5WsOuJLC0omjlPR24uE9n0GhZfghNwr9GMtenjxr1DkCN0qg0+z8nO0XChCti0WnMeXzy3vZptt51W0OV8SB3vl4KQBAwlyC7tKsIo8XhmNf7SkYt88Dda3qDXhkjWLoyR/TM8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1754310903; c=relaxed/simple; bh=YRYDKVDauPkLOuXYEKpWqHsQ3HBWS9IDem29DLnVCIs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Tbxe6nrsgr/NLTbwrrE1dv4U9yga2+11FaLWC4ze2YYh+adbbO+3INlf6WTAe1acTNqIb7A8nujaazhMIKu8X3cXUnfACScvcLZwwejKW9FpZIg3td6bZqq/6c4QnA3qq79/FeEBfX0RqG7f5fsRub7V8aNaLbzucCnFcm77VKU= 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=ZtNs9VJy; arc=none smtp.client-ip=205.220.180.131 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="ZtNs9VJy" Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 5749fG32029201 for ; Mon, 4 Aug 2025 12:35:01 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= 6xG/kD+yzbRXWYpyoX5xhzwNnfOfzUQ+Z6gXVyD0j0Q=; b=ZtNs9VJyXPLi68V3 Mm8edUQkOF1boQ5xxD+b33DR4ZlHjZJcSmL7GhY0kJoRRgrKsmK8TJbqkjpFqoH+ 4r8O4UtsL1kxNCo6UMVptmql4tWR0baNWKLZJWeBonsNhimtpbsFyMjvN+NftU5A VSJGexGjCrIa+NIwEfs1YpEhCw6TFumKn2sBzS2WFSHmZzD7D726/Fymjxn64MVr T+9mtCZUilop9m+pp+7ZQqxLee3fohZ2Vh/TymNECOFG/2PKHbWYgyEz/2TMIvNE vmVmdZUuQXEWKmg2Vel6bpQXd4+OUaLg3mm6Yh58Kn/FHhXKQmEebQh9h+s2qfBI nulsiQ== Received: from mail-qv1-f71.google.com (mail-qv1-f71.google.com [209.85.219.71]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4899pad0k7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT) for ; Mon, 04 Aug 2025 12:35:00 +0000 (GMT) Received: by mail-qv1-f71.google.com with SMTP id 6a1803df08f44-6fafb22f5daso10598636d6.0 for ; Mon, 04 Aug 2025 05:35:00 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1754310900; x=1754915700; h=content-transfer-encoding:in-reply-to: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=6xG/kD+yzbRXWYpyoX5xhzwNnfOfzUQ+Z6gXVyD0j0Q=; b=HMgF11gyRVHI+G3yW1hNy+dsF4n3rP9wbCkcWOUaomv0Sr0yzu+AIxZ+gAwsrmCq6f KLW76aHHWfXAzDZK5si3GTDrAb+0O7Dw1cx4eAocsTIM1Of3o1Tpary/bpASCbzJSeEE UWI69iUpNe+cO6rN975zgptrlqBAwWHgUkKGGPhwij0Bp23YAZyQuatHzDEZ6pxl9KW6 99fXjEjXjbjNTlQDT6X088eojsRJYFjJnMFJtL00LP8cFa+IrHbfHllxa4LyHil8Zi9r HhEHrkutd300iNIiIjGRuqT37IDCv3vpMhEa/DR6A32DZQZv+HrTWc6oOjEkv4LUlucL aj/w== X-Forwarded-Encrypted: i=1; AJvYcCUKCT0cV+nUxb3PZ/wFghOfAIxqCxLISSzmFGyeO4VD3ZZk6D2kcGDlhMGGDDlM98Rgu7xiUDLy0yFRBQM=@vger.kernel.org X-Gm-Message-State: AOJu0Yx2+6YNXKi2X++A+EdjibM8WQ6lKYZOB2bc4xFILItCjA7p1UFq KTyAnlEqSZr12gDdbgWrnnAK/m3gIcJRShkM2mZL78pFCNhFJpp+EclOh762TyoqFdtmL2tZiAB p+tvEqvh95R/JfLrkjFXM2JGWRwP8qBFNhD3REyeIG0zGUaYNCziR9JAdzCyPVAFqGVM= X-Gm-Gg: ASbGncuneQBa/Ipt6zfZJ0YrO+R/wyW4RsOPbhQtK0eeNQZN09BsriAKg8Ho0dp7f9b Q9BChex5XN0sB1LWlb6LTvzXyxx5lRYWEahKR56JOTu/oi23Dx63aQKjx9YOybpB4QeWlN2opDS mr+etzGdT9Mqqg5RuqNvZsu5xj98dsgdopROyYg0rLDkZahYbTc//MHYubqBJlFWCYY1NrcusYW tZZM6ZWwKUHJBJNLeSp1Kvqew6Db1qjTSNpazgaWm26/hrluCesMe/2FcnR+ZXfAbt83TYSMA2+ nwMc+kT08mfJx4ht0vEnjPTsXKtzy996VV6ogaCNuIirL32orltlTnZvALytIjQxkLipTTsrG2d CGTP8jKmEB4xqEAx3Sg== X-Received: by 2002:a05:620a:448d:b0:7e6:3c48:408e with SMTP id af79cd13be357-7e695e99fdfmr682779385a.0.1754310899761; Mon, 04 Aug 2025 05:34:59 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFD0/Y8gL2eHUJARk2TXvcmFivLsz63gHWgP39CLMNDuC7ltMBN1eSmehR27G12/9zxrhOWig== X-Received: by 2002:a05:620a:448d:b0:7e6:3c48:408e with SMTP id af79cd13be357-7e695e99fdfmr682775985a.0.1754310899213; Mon, 04 Aug 2025 05:34:59 -0700 (PDT) Received: from [192.168.43.16] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-af91a0a1251sm732151066b.30.2025.08.04.05.34.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 04 Aug 2025 05:34:58 -0700 (PDT) Message-ID: Date: Mon, 4 Aug 2025 14:34:56 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 1/2] arm64: dts: qcom: qcs8300: add display dt nodes for MDSS, DPU, DisplayPort and eDP PHY To: Yongxing Mou , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250730-dts_qcs8300-v4-0-5e2dd12ddf6d@quicinc.com> <20250730-dts_qcs8300-v4-1-5e2dd12ddf6d@quicinc.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODA0MDA2OCBTYWx0ZWRfX2gyTRtFMahKg Cy5f9tSX3gOZWTbaKGTdNnxmWNjZnrOqWNUyKyIGoPcO1UuAzmMgCvvPaeneBJgLLvxSYP2FqgH G85xFp4VFP2TF1c7PgTlheHXfEW549/0kxk4UuD3FmNabyYleIhXYeLdKpSf6MmbpPCMfXlcCFw U8CWWP/B4HbZzpo1hQXFYEzdbnK0WQtBbfKoLMYfjjgw6gvu+SIi1KRKb8FHrFRLBycIB241+EC 2tgkUMDQEjvovgbxBQkTeE3kD0GBQY2Qz1cAJBUxqnzUBMH8Xx3MpaNBgQqBfEM/RH1TQ25memY FglumCnkK6VQL/mMhNYkewIvVi9MUT+l7RUVeR/RLiIYZVpmFDCHawaCUQLQB0gmrEurzv7iWYC BgPa16KLrs4EbeOSmQbqzVbNF5uSvEpmIGukbyJ1bButY18/j9waS4glUVAWrS7h1Wy3w4fz X-Proofpoint-GUID: 32gojN1C-RWCHBfN4QxMFZQFVH2sgmHF X-Authority-Analysis: v=2.4 cv=N88pF39B c=1 sm=1 tr=0 ts=6890a8f4 cx=c_pps a=UgVkIMxJMSkC9lv97toC5g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=2OwXVqhp2XgA:10 a=COk6AnOGAAAA:8 a=WACavYXBwHx1I8TtHWAA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1HOtulTD9v-eNWfpl4qZ:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: 32gojN1C-RWCHBfN4QxMFZQFVH2sgmHF X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-08-04_05,2025-08-04_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 malwarescore=0 mlxlogscore=887 spamscore=0 phishscore=0 bulkscore=0 adultscore=0 suspectscore=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2508040068 On 8/4/25 6:39 AM, Yongxing Mou wrote: > > > On 2025/7/30 18:25, Konrad Dybcio wrote: >> On 7/30/25 11:49 AM, Yongxing Mou wrote: >>> Add devicetree changes to enable MDSS display-subsystem, >>> display-controller(DPU), DisplayPort controller and eDP PHY for >>> Qualcomm QCS8300 platform. >>> >>> Signed-off-by: Yongxing Mou >>> --- >> >> [...] >> >>> + >>> +                assigned-clocks = <&dispcc MDSS_DISP_CC_MDSS_VSYNC_CLK>; >>> +                assigned-clock-rates = <19200000>; >> >> is this necessary? >> > Emm, i try to remove assigned-clocks and assigned-clock-rates here, device can still work.. here we just want to keep consistent with sa8775p. Dmitry, do you remember whether this is some relic of the past that was required at one point? The driver lists 19.2 as the only possible frequency for the source of this branch Konrad