From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.168.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1792671746; b=s51KS/o4nvYje7pKlBaUYkXq/7Qw+b1BlnmNAne9QIAtSasRN93Okhk0GtYZ7fkmlUG8 2T7wwpeCvJd0hRFtyqdHL5mJN87IaDLNQtj4y2Q8Hac6gzCL2WYjq3K5jFHjzn7nGy3Nx VtQQvX5TOGAdwy+sEpqh99EWuxw3czgMKS5Cyr57C325joJQK2+YcVG5AP1b0JxfDbmL/ UoKaYje2jwUec6v3O/0HgD4Phv2gSTWecIyfM+pVy76B93Kna7ki3NfTKwpbWVCn1qZVW tmL6wosIbYuuK+7y2LHTrJU3aypt4dOvaVUOC99am4HQtLe13ADaMjhwmAwY7Eemugw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1792671746; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:X-Received:Received:Message-ID: Date:MIME-Version:User-Agent:Subject:To:Cc:References: Content-Language:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:X-Proofpoint-GUID:X-Proofpoint-Spam-Info: X-Proofpoint-ORIG-GUID:X-Proofpoint-Spam-Details-Enc: X-Authority-Analysis:X-Proofpoint-Virus-Version: X-Proofpoint-Spam-Details; bh=jMMBwaLsIajhBzJwHlXR4BwgAy9WFdwK3Pip2rL08qc=; b=xVpQ40wBx4d+3HAWdvjMsICOWhuCL7YXdbUABeDvG9gxpYv/1EHA4jd51H1HMBjypeEP DPbCV6jK4CX0M3uulXvrWS6WePh6ObFYvQEj1oWMiFJaXsMqLSefvSOY7/AkK7JdtW8Yg Unb4/FNLjKyUg9eum8yoxlRX1en6z9OZDKPMFEIPftYBOLtAR847yA3+oeeoMFEuNgR/C YCTNfaNyvfcyQOS/AU56uKSV2v2VG9ZEZuB8Vkdkbd5bNtGOK0KY/5s8C0hBe9kEshew3 UdK/gQ4oiugvqfB3rVjSPz0qBm6mx2N6vGQby6vuqs/muvKAWFvzXyHjLc1bqfePDWQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=b7FjuHri; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=C6zvZYVD; arc=none smtp.remote-ip=205.220.168.131 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9438E606A319 for ; Thu, 22 Oct 2026 12:22:25 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 9438E606A319 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, unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=b7FjuHri; dkim=pass (2048-bit key, unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=C6zvZYVD Received: from pps.filterd (m0279866.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 69M9xlCY2573576 for ; Thu, 22 Oct 2026 12:22:25 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= jMMBwaLsIajhBzJwHlXR4BwgAy9WFdwK3Pip2rL08qc=; b=b7FjuHriWyJcQF6b oVxgz8d4XnoXFI7faQANh+GAqlf1hwx2KqrTuYLjyW5FpjEwS2L/kimmAc3pa4AB CT4m7ayULxWWZG3q3wZbrPIeLAHicmVkjguUeG7SFxAspd6FWvaKxbVB3HurC8OK fcUz/yF/RvrJD4lPFSo6JhfOzG2b4VNvQPZIQxfZkBQgvZJephazPUFFGQ73TqiJ R5iVVRCTGKIlJJQdCgbkZ6MEHpNZ0Go3fRbWPJuCci5ZvlhXGO52remI9hyptRID m9aiYahu2KCq3Fmjs91IJukRzfggloF1DzztroxWsu6nIhC08nEbKX1fDlEAVsCH olWzmg== Received: from mail-pl1-f199.google.com (mail-pl1-f199.google.com [209.85.214.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hf93ak6kh-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 22 Oct 2026 12:22:24 +0000 (GMT) Received: by mail-pl1-f199.google.com with SMTP id d9443c01a7336-2ea63087d79so8532935ad.3 for ; Thu, 22 Oct 2026 05:22:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1792671744; x=1793276544; darn=vger.kernel.org; h=content-transfer-encoding:content-type: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 :content-type; bh=jMMBwaLsIajhBzJwHlXR4BwgAy9WFdwK3Pip2rL08qc=; b=C6zvZYVDvsQzlkSCBnbfBSEinTQ5aqEOrZNT674hCUTK3Z05R+AH6DP0WTc4lrKLzq +pHyQwZQfA89UHm81BY5XebO+yKhsStKDNo/bb/r5ijlIw08rB48z7jdfSphizItJbq6 f+H3UlJilQPQOOB4erv+ZTLSQCR5y3vZw7ipABz59FsDCLTHvPj8c+5v8jl/hTBVBbow Yy724azzBS6hhZ09zZa6IW0tE2c72VLgTx89YOy4SEyBu4Faoz692cMJMWFMC08uJdZt TP9FEUjo7ZFUeowAtZmVF3OFihn7b+/hpHpgojpxauF2sHALP64B2pKOLNPSZe+NLo7e +n1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1792671744; x=1793276544; h=content-transfer-encoding:content-type: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:content-type; bh=jMMBwaLsIajhBzJwHlXR4BwgAy9WFdwK3Pip2rL08qc=; b=uK6QCrEINfjImKv8Zh4Xfzpq7/NY/KPUvyhPq97yE/9O3nR9wNpYNtBApOwS5cFPh5 /kbtPhw0sl6uhTCSdQEoO1cZmp+hfyiOoRkySm9byJYChY1/8O5yfeQLEz4y78Ue8zol ma/6Lls2vkr80yFTGcLDhZUVGgBu3+19c4JR4FmXlndcl4oTEYWecU6eRFStZy+MsYi+ g/uQ9AxtmiiCedWMkISJk0LtTd7uqqB9ptbTVJShso/xf5uQYQprjKs+NcNpEslvZsQu XXIjC8+em0vMMJDMIBeEhXtq/Kiayu9aM30HEKgH/iEYCF0X+f9ij9OD9KmD+iaTRpyh XN3A== X-Forwarded-Encrypted: i=1; AKwUvBz+hxv6TevGc7ANuO5Bl0GRLAJuUclfm2CDS7kZMl8WgYPbPK7q7JV68aoPEj0hnnXlSy6SJ18/QA==@vger.kernel.org X-Gm-Message-State: AFq9FYJJZq3WZgpYKLn8jrjklEKwH7TvkE1Qu+18Rhg38xukrwz7qsYf XVpae706w44WyPZroTRWMPBGRvYOhOUuTID8nsl+8F0gUMCXgzi5Ql2/rZ87poASrnB67FHaCOo PsbyN9Xsi/ZnpbE2jmLjQsGNs981wHTULiI2xSYqUiZ4YLiU1swBCXQzM4ESfqg== X-Gm-Gg: AYBFou2yYRyQOvsqfL9CbyiLRZSxSxMeOLfmFRPr6XKYC9AGb3vX9wAZ0kx2Fzbn/sC 4CaES1iG4vABDQDFuze7k4TPeYTphg0/SDj+odrJ5Pj+uAqWYASQtSMSFQx16n67jlQlfBSt8er BbOjn5PFJuegwPH9ELSioqWl+JHEy8ETuBC1yU7cOygBg4aKQOMhhN1Sca6hU15+iWwBD6HIyRx UbrDLHSBePJZAdRqRsjnH2eDBOgffEYT5bwztN1BNBP0wfc8wgF6B6GpdgzI+3Y+S8jutj/X5z3 DCBKuPBB1fYRRCYMfSPl3jqiccInCrUPLXj+/QQXL+D63okWvb9/cOROHEULkqsh/rKdJY9xTbg 07VyGCwnIO5U4vGbU1PoFlcKbtLLt84QkCA== X-Received: by 2002:a17:902:e844:b0:2e9:514b:7a73 with SMTP id d9443c01a7336-2ea43fa9f19mr45591685ad.48.1792671743989; Thu, 22 Oct 2026 05:22:23 -0700 (PDT) X-Received: by 2002:a17:902:e844:b0:2e9:514b:7a73 with SMTP id d9443c01a7336-2ea43fa9f19mr45591515ad.48.1792671743527; Thu, 22 Oct 2026 05:22:23 -0700 (PDT) Received: from [10.217.219.98] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2ea3b412756sm23642595ad.24.2026.10.22.05.22.16 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 22 Oct 2026 05:22:22 -0700 (PDT) Message-ID: <5dfd7245-c2c0-4468-95ed-6bb8a385da98@oss.qualcomm.com> Date: Thu, 22 Oct 2026 17:52:15 +0530 X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 1/8] soc: qcom: geni-se: Populate clk_perf_tbl with SE source clock frequencies from perf OPP table To: Praveen Talari , konrad.dybcio@oss.qualcomm.com, Sudeep Holla , Cristian Marussi , Ulf Hansson , Bjorn Andersson , Konrad Dybcio , Greg Kroah-Hartman , Jiri Slaby , Mark Brown , Viken Dadhaniya , Andi Shyti Cc: chandana.chiluveru@oss.qualcomm.com, arm-scmi@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-serial@vger.kernel.org, linux-spi@vger.kernel.org, linux-i2c@vger.kernel.org References: <20261015-derive_clk_perf_tbl_from_perf_domain_opp_table-v3-0-5da1096243c9@oss.qualcomm.com> <20261015-derive_clk_perf_tbl_from_perf_domain_opp_table-v3-1-5da1096243c9@oss.qualcomm.com> Content-Language: en-US From: Mukesh Savaliya In-Reply-To: <20261015-derive_clk_perf_tbl_from_perf_domain_opp_table-v3-1-5da1096243c9@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: pgKgAmuFHodr6xrUdPZ_YVRah-OP-dVc X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIyMDA0OSBTYWx0ZWRfX45pKA+AbPRyR A47dZbmNrv4aEhDL2oj9UTX41fY88SC7QmZaEt1SCYOgNIYGDj+/+3RWshaA9sNhj+fZossbDaG eZ57czbLwURT8bNeWxPU0P3tXJn83IU= X-Proofpoint-ORIG-GUID: pgKgAmuFHodr6xrUdPZ_YVRah-OP-dVc X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIyMDA0OSBTYWx0ZWRfX/Z7hzdCRgpTT vIbCEGQSkQKCVPPIje5CP8kpUmeNUCklnSEc20aZxWLJnAR9TWnosDhE3UjP0hqfU+qDEP1qVP0 NJamhgdYIKNhq/gKPj1vSdsinOZgCAl0MhUoBZDk7C7PHOK2B4AOZPZ+ZGh1XWl2yQmRqxtgm6y ea7NoVvPJ7aKUN/P8SjMeH/FLEqEaIEH2xBDPqMXjScx8n8/OMh3rV4CyW9zmCtg47Qa5jwLpRp Y4O+o5O6wpC7Dci46EJugBRr+t4O4eSvH36KgMpFGF2qgo7OF5hOTtrBz8X/soDCtKmCPyCp9bW dWsX85c8TxPa25BTnuNFE16V2Y3JojVU0/+XFhptgVUBuDQyXxhylKnRfvh58nST34SeGxAPCbx cr8yQ/Eto414k+IyEa0AQU5N3y3rkPu1Eo5NLy87oJLgV7b7OImHBSK499+w6oVHloDuQDn5mg0 Vq97MZ/DHOqgEnIEAsQ== X-Authority-Analysis: v=2.4 cv=dOszC+Zb c=1 sm=1 tr=0 ts=6ada0000 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=YMgV9FUhrdKAYTUUvYB2:22 a=EUspDBNiAAAA:8 a=ddSnBWzqd8mu_d83chYA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-22_04,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 priorityscore=1501 suspectscore=0 spamscore=0 adultscore=0 phishscore=0 bulkscore=0 clxscore=1015 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610220049 On 10/15/2026 6:28 PM, Praveen Talari wrote: > Currently, on the SA8255P platform, protocol drivers attached via > geni_se_domain_attach() treat each OPP on the perf domain as directly > corresponding to a protocol value such as a baudrate or requested > frequency, and simply request that OPP via > geni_se_set_perf_level()/geni_se_set_perf_opp(). This does not allow > computing a source clock and divider combination for a protocol > requested frequency, unlike the Linux clock managed path which derives > this from se->clk_perf_tbl via geni_se_clk_freq_match(), and then > applies the matched source clock frequency with dev_pm_opp_set_rate(). > > Change this by treating the OPP table exposed on the perf domain > device as representing the actual SE HW supported source clock > frequencies, the same role clk_perf_tbl plays for the Linux clock > managed path. Populate se->clk_perf_tbl and se->num_clk_levels by > iterating over this OPP table in geni_se_domain_attach(), so that > protocol drivers on the firmware managed (SA8255P) path can also use > geni_se_clk_freq_match() to pick the closest supported source clock > frequency and calculate the required divider, and apply it with > dev_pm_opp_set_rate() the same way as it is done for the Linux clock > managed path, instead of relying on a direct frequency/baudrate-to- > perf-level mapping. > > Signed-off-by: Praveen Talari > --- Reviewed-by: Mukesh Kumar Savaliya