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 3355D355054 for ; Mon, 12 Jan 2026 11:08:19 +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=1768216100; cv=none; b=Mkq3tgifo3zR0X6cQ0Kw8cXBx+F6bha+dC6NHxXZw0uexrhGBbOmjikGC1e6C6BYBrKYofY9maWpye5elP9oZzKiESU2sZuN82Ill4e+8UQo/dOVZW0wfLj4UqOc03SP7vVhKdR5CmtCkHn9/H9L4qH6BjXVMTu7+5SKO2glZGo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768216100; c=relaxed/simple; bh=iUASacHpIkllyuDdafnv4uOGpug6041+SXdNyxM1PcQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=CSFcA+1K1m9HKo6I4Ye4uAkmxrUyJ96yNNtWyaJPuySeNl9HVmye3GUnEX3bahMGdTdsEvTpadMjXccA0gfacC+mk3d2vvlSUbPfIUtW1Uz3kLY4ivrGJq26dIAplFLdKgn3s/oDNwJC9K1hmkei1QaUmhKlL2/AZiTXyabbStE= 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=fJQHfpSe; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=bg/SOhbP; 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="fJQHfpSe"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="bg/SOhbP" Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 60C9WdJo309122 for ; Mon, 12 Jan 2026 11:08:18 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= SpjQ3UXs8yQYCWMwewPG2bxBVEtUl6oOH+rM/TylefY=; b=fJQHfpSeuBqfKrpE +U76b0Y/C5CNDcOEO16jhYn7gsUWw5M5SyfoeD7RZz83e2GbkjBk5j9Z5HHNJq0o 7SXY8gqctzhAjSqBIX1uxwTB1VkRfZVwnqkO/49Flw64eDiqYtgjK0BFoyrw+qU5 uLhgS4+F58sOUhrT4B6gWwAUgjPQirB14Ky5Xo5Q3oc2udvaQ4YPgML0KFm1gbkV 6ayXwkjzQjRphjlfI1zAc4ipzUfNMy0sSLvZtMj6AUB4FA1eOhiM6+cxP1KpLBaw wvFnFv/Mnde00HLfaZbenRF9mj66huix+rlXmnufKcypQY72FWCE0ME/1xGpPWVN CjQp0w== Received: from mail-qk1-f199.google.com (mail-qk1-f199.google.com [209.85.222.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4bmxdvr97b-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 12 Jan 2026 11:08:18 +0000 (GMT) Received: by mail-qk1-f199.google.com with SMTP id af79cd13be357-8b196719e0fso210308385a.2 for ; Mon, 12 Jan 2026 03:08:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1768216097; x=1768820897; 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=SpjQ3UXs8yQYCWMwewPG2bxBVEtUl6oOH+rM/TylefY=; b=bg/SOhbPX/tbukMxuX+MEePJTGuV6WVlvYt5tsxEyBzT0TEhqearkoYAgGJi09+KCR kx3nd7/P5D3l/FIcjdT7+jHSW/p4+jy3WTLbZbhmIjd+GP/rzUAKlWCoybDtnOTMyThd Rcinc3fxVeZM28+hzci4KA2NsAIsEay/n6YlD2ZngvyMhbLEdKpnnY+IShOlzoWhkmFP j56xztLhm2PcsI26xPSn+2sTX5n+OdBQUxXonxdcF8nmv3US+KZRmNBNj4Bg0+EzB2MB IGvBpTLZXyCDBxr4b+d2PNrvCLYj+d7tthXe+1nuj6VTLUs1z/RxUfcd3nDqrAKDYjmR GjXg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768216097; x=1768820897; 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=SpjQ3UXs8yQYCWMwewPG2bxBVEtUl6oOH+rM/TylefY=; b=UwdYmWT51x3flnWBeco+LOovqT+IRwfrijHE4b6Y01HcC4cWB+Uw1OOO/WVHCfl48z pvtgGB5/7HAq6udo8GZMntHxMXZT3LmdhoX8yLE+v5EjduOTLGDRmoIRWgIN5XN8bVZp 1iGBX9KMTMQuAXUmNmNDWC7bb15G6xEKUTzEzd/ZOCrfHS9iIHq6pQc52cSfjELmeLc+ MbaeJiz8pByOvK5grgGlmQQB//N4uk2sXG7wAazD4D9iySSYAutWZ4cWGlcEXw2AvBV+ mJNIscC7CI4JG5HB/iLOFsJ0/ABG12xOiregD4vVUt8wr4SgijR3eG3klLWdmAwd9q0z WmBw== X-Forwarded-Encrypted: i=1; AJvYcCUIu6mEGCfKo1vTocQYoCBXPTNYi9c5ncPoNyfRTPNdxH/tp0b1bwybMO+UNWewwRPL8NVXSXpXdCvi4tQ=@vger.kernel.org X-Gm-Message-State: AOJu0Yx2PFQR7OKyvCrWekfv8jGYNVAmBhk6jshphlgdPZZKn2Puww1Z e1ZxfvufVeGpHdTvkPRIaQAvgVYOUMYL2DH87j6agitah2+sUmVceokQZx8n9ArcC5PMsDF1Eck 4vp3+jsVuyMfdNu7wKXSGO82RqZV7QmEnyWByLWa/xmQYHG/h6a8H7kRE8lz2MaP4Z/0= X-Gm-Gg: AY/fxX4jK5hOXgm5uy3IVFULw25wvj2m1zrjGk6pgLdYotrqVOCTGpAp9bQ6CqSPVMT PfikrEWVc7obbTo4FcFpYiJMMafIj+WQS7l6J9Jlw4EcJDV0mgYKv1Go/PyqyYARSPO28gSE8Ca QIp5JicaXB739FjpzXqYjzicdJzvO6/SL5oW+etwB8cZ8JQnf775beeP9YNw3upPbnJz06KzHXV /wEH2SG+nMdKeF/am8bN1bNWiJcxP+2lEJ7w9Aoh/QhiiJvWDyuXfGRMScxWzS/DjKRSnnTnWKc qL3LTtguPyT/zxfxEg74VF9ywJkKJhgBHS8RaewKLNoXt/L4b8CkXY8LwtqaWj/F0duARyRTQ1Z pOTOjXmeM0z3WJ4ipsqHcyrZcG3hESoTLD+vQfYDV15bOa225DMKp59eA9kPg8sVxS94= X-Received: by 2002:a05:620a:1901:b0:8b2:e177:fb18 with SMTP id af79cd13be357-8c3893fd199mr1758457785a.9.1768216097438; Mon, 12 Jan 2026 03:08:17 -0800 (PST) X-Google-Smtp-Source: AGHT+IHBH4pb5/3BYG/cAuJcv/xavCclwNEZZzBJQcWjCGzKwsMo2DvYPIaRbeYOzCTWmrWy3hc+mw== X-Received: by 2002:a05:620a:1901:b0:8b2:e177:fb18 with SMTP id af79cd13be357-8c3893fd199mr1758453385a.9.1768216096987; Mon, 12 Jan 2026 03:08:16 -0800 (PST) Received: from [192.168.119.254] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8724197145sm173031466b.11.2026.01.12.03.08.14 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 12 Jan 2026 03:08:16 -0800 (PST) Message-ID: <5594210c-ce25-40ac-9b5c-69c97eb0bd72@oss.qualcomm.com> Date: Mon, 12 Jan 2026 12:08:13 +0100 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 02/11] soc: qcom: ubwc: add helper to get min_acc length To: Dmitry Baryshkov , Bjorn Andersson , Konrad Dybcio , Rob Clark , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Sean Paul , Marijn Suijten , David Airlie , Simona Vetter , Akhil P Oommen , Vikash Garodia , Dikshita Agarwal , Bryan O'Donoghue , Mauro Carvalho Chehab Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-media@vger.kernel.org References: <20260110-iris-ubwc-v1-0-dd70494dcd7b@oss.qualcomm.com> <20260110-iris-ubwc-v1-2-dd70494dcd7b@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260110-iris-ubwc-v1-2-dd70494dcd7b@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: NtRLAAqeotGrUKTbd3zlRcwI30a14XgO X-Proofpoint-GUID: NtRLAAqeotGrUKTbd3zlRcwI30a14XgO X-Authority-Analysis: v=2.4 cv=HoZ72kTS c=1 sm=1 tr=0 ts=6964d622 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=_A-17BlWpzFJNOduaeEA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTEyMDA4OCBTYWx0ZWRfXzq2ep4pXsmPC 2lVooS02inXEC/pq9K2oTymLeIPWS+1JLrwsO4lIB37aCrNuxRfO0/2AadIu/86qn/4En8xrQe7 wNXOFtjBniqYF+vTjp6/nu28QhK/QzQ8UFFJkvXxAwQPDFF4MVSVBx53vLj2U5MUDTvFMEyvtNf VAeHOf9YRqvfR35TEhxJoIptQTUZiddXZRSdcm30wKbpa5ll2CrEtcg7JCrg91m2dnu0a3BuRl9 ARj+dVGXmLlxTKtntzEEe1wKU1pgdK8Hq/iwmbN7Uog1uRUEeOl6KVmIxJVGllMr7SO/S0eBewo dM6c6SuawL0+91HmD9dwjxrDGGVBW0rZXru23DwHFr84929X5yXhZbeyc/9VADsHJynLlw41UW4 Owo1VL+PMaq4y2Rac+v3NomKwICu+J+G4nkafyKZudEDo56Kc4q0l4nyojr5zneU4ilsOgzrOVT uJ1wYom/CDI9EFNWtSA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-12_03,2026-01-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 clxscore=1015 bulkscore=0 malwarescore=0 spamscore=0 priorityscore=1501 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601120088 On 1/10/26 8:37 PM, Dmitry Baryshkov wrote: > MDSS and GPU drivers use different approaches to get min_acc length. > Add helper function that can be used by all the drivers. > > Signed-off-by: Dmitry Baryshkov > --- > include/linux/soc/qcom/ubwc.h | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/include/linux/soc/qcom/ubwc.h b/include/linux/soc/qcom/ubwc.h > index f052e241736c..50d891493ac8 100644 > --- a/include/linux/soc/qcom/ubwc.h > +++ b/include/linux/soc/qcom/ubwc.h > @@ -74,4 +74,11 @@ static inline bool qcom_ubwc_get_ubwc_mode(const struct qcom_ubwc_cfg_data *cfg) > return ret; > } > > +static inline bool qcom_ubwc_min_acc_length_64b(const struct qcom_ubwc_cfg_data *cfg) > +{ > + return cfg->ubwc_enc_version == UBWC_1_0 && > + (cfg->ubwc_dec_version == UBWC_2_0 || > + cfg->ubwc_dec_version == UBWC_3_0); Are you sure this is a correct heuristic? Konrad