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 A351A2D8370 for ; Thu, 13 Nov 2025 09:29:14 +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=1763026156; cv=none; b=NRqkQjIzm88y2eEVCWYiBetswswQ1M5ujFHCqiNTvvh07xysXqGeISgjpzmDc0zp0loJd7DGcIzF5UXqP86dhR9JekU/013OyrstuMEQzAjPWYWif30jaXmwZgSXJJNkbVKLp8u+mMkqZNmIrvIQogALv3LOUPAFTmy6Ng2C6j0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763026156; c=relaxed/simple; bh=8MJNIVzao8j2hrbn+0QUZMXmV+Ny6jHql9vsW3ffK/8=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=fj5pBXUsHXZxJjQAvHr1DmfpjHacbWiaOAYprtYYtxpPFT9ioarH6hh/4nJQEYYhAvAEURt7mmoeuCm5dvlj0hzm49YG0Gi7Q7WITMZEKs1d+wKX8I+qUXiIgCejK4aTUqgaXIObJoZN6SX/fFAfMDKOW9yuqzDVjyQOyptpTUg= 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=pTwEa0O0; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=GLRQIUer; 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="pTwEa0O0"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="GLRQIUer" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 5AD9Faos3120690 for ; Thu, 13 Nov 2025 09:29:14 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= dk2V+f97R7FIH+RWhnR8qR74s5z0Cna6ABS6uSkhx9Y=; b=pTwEa0O01ggQkmZ+ aheH+/m17sgjioEGYcDKKAHqaOCVf9Ch/1rOlFiqgbN8wMlMEssOojpkhNjULEA3 bmifele/wxUqi/ey7vdSZTQ+OWlIFhL32vvnyzt0SVXs2F63ljSbPcaEJ85OG5Zz vNnUQa0Pyj3BkfD4FoQx3nnB9Dih/8AGkiZIHqlitAfWYroWhJvMagRXnaVglk64 QaA1Ywc8LWOb2r7zDljj5Yxq2VdZyMJWSeVNZTNDIjNKqv3bmDD5++hxbp7H69+g CCcJjvk/IIqNDt94IWpVbfYjDlcoZuIONdBk1PG5k9ihEPhCbcBkFK2wAQ+eU+Ue Y5HoGw== Received: from mail-qt1-f199.google.com (mail-qt1-f199.google.com [209.85.160.199]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4ad5pusagp-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Thu, 13 Nov 2025 09:29:13 +0000 (GMT) Received: by mail-qt1-f199.google.com with SMTP id d75a77b69052e-4e890deecf6so1384961cf.0 for ; Thu, 13 Nov 2025 01:29:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1763026153; x=1763630953; 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=dk2V+f97R7FIH+RWhnR8qR74s5z0Cna6ABS6uSkhx9Y=; b=GLRQIUerqk5nEXwzxrVOzGCuNxpnZBRPM2OW0t3+a1CWh7yhtKU3GkX0/Mq7cOlvLq WBzW7BFdLlpMVFiLe0vSBvwZxghSKMCqHfPajJzjWkpq3lrqCEZIjirXmuSzZsYIkMVD EbfA93y4JaqM/6i/VfleVmvLhPuKwRiXspue4/IgqIfvlogRmURyzqTw7nxFtK76473+ U6lnwErPVqPwXizthMQQ2j6CtDLUxcQuscjec4ojnjYZzfufVWmNWyRRw8cq0p8JcJSR B2EFY0GQ60EDiwIbujJq/9tQimYzbo9/9K82dr5UoDaG5QZ2jFNrDJwnXOkbGSDiRvJD Gw3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1763026153; x=1763630953; 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=dk2V+f97R7FIH+RWhnR8qR74s5z0Cna6ABS6uSkhx9Y=; b=YZaV7nI4OPBA/7pSzXIGbVvw81ZMF+NYx6hqe2nnECrWmIM+CnKVxFvG+vCMilGtkJ driD4aLSWFqLaPPhRSCZaJnQNIPbw2MVow6BXYIMGwtqnUTNmiY25dnl5yToXwBRQgdH cd30thOrBjIj+rByrYHDYultoBM++DQ2dCLUlztKfKSY/bdNCWmbzvWeXb1/zsMgFiF9 rovDZsfDSuh9pq3imF4LRLvqFBSMZUzQPw5gtu9/wwm5lKyXoy1sgRLiDVYYdTEFDQgl LcxFRYB27Jp/7fy8uk4oM/v1PahYdEZLTPmelLv1Lg++OA+9JPpapancsLn6QqIvWQC+ piwA== X-Gm-Message-State: AOJu0YxIjSWWWG6IGh33k/+9irKbjEMkklB4oZ0GXlc6i+aY7vmZT8M0 EG/KjoEyiox5xcxnuNISqk7Mipbz5AiRosRI9URldaetyJTp3rSRzWifF0mO6n5sW7sTrmdk4L1 yd/HUmK3B0uIicCGHeME4EhVbjtAO6WUGjGXP3vnYnpqVtjUxgvm4UCMhHl99kZKF8doV X-Gm-Gg: ASbGncvJY4wRAfYURDMekDtAABd8rG1T3wV4ENtYFjiljBSNp9nNLC+5swUxn4iHfa2 GMO4UXyt1G8zM3ov6DppvccEK9aJRTmLh6vtRxr22JzJ1MapG38AiKuqdneYKDLPSMcpm7O742b RHykSrwJnU5jCqTmH0dyT0o8ZcSFYXtjrn0FJ4JjyBMklyDyTEYCYE/2Cc18WTuzay5oZrPJ18W 1dSx7muweFGIV2VucBKA8Uhk8I/iZZ0q9MmIQtX9AvUHToRKVZKTVCTzUUp3CNqXdSOOujTJvMH n/kpOUccUo5jwUSPGrYLF1f4ys6GnCFlPKDnRPIzqYCHQ+2YYrpmpbxguf0a8oFDCrwNubXIt82 54hjSbgEhHQ0Tjb6M9vOHqEO5QZbkkvs3UE8jplPaguTM5Dg8l0mtZKGt X-Received: by 2002:a05:622a:16:b0:4ed:6e12:f576 with SMTP id d75a77b69052e-4eddbd65318mr52613531cf.8.1763026152910; Thu, 13 Nov 2025 01:29:12 -0800 (PST) X-Google-Smtp-Source: AGHT+IEBKglDPCuRYE0ZGVzuJPGPVwQT3YRBKzTtOU5WmAoz7l8pjecUcIWj985OWak6SKf5r+bgQw== X-Received: by 2002:a05:622a:16:b0:4ed:6e12:f576 with SMTP id d75a77b69052e-4eddbd65318mr52613171cf.8.1763026152358; Thu, 13 Nov 2025 01:29:12 -0800 (PST) Received: from [192.168.119.202] (078088045245.garwolin.vectranet.pl. [78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6433a2d746bsm1057796a12.0.2025.11.13.01.29.09 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 13 Nov 2025 01:29:11 -0800 (PST) Message-ID: Date: Thu, 13 Nov 2025 10:29:08 +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 v2 14/21] drm/msm/adreno: Support AQE engine To: Akhil P Oommen , Rob Clark , Bjorn Andersson , Konrad Dybcio , Sean Paul , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Jonathan Marek , Jordan Crouse , Will Deacon , Robin Murphy , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Connor Abbott Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org References: <20251110-kaana-gpu-support-v2-0-bef18acd5e94@oss.qualcomm.com> <20251110-kaana-gpu-support-v2-14-bef18acd5e94@oss.qualcomm.com> <1202b66c-6d4f-4909-a010-7e5e3ec7f0c7@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=E6/AZKdl c=1 sm=1 tr=0 ts=6915a4e9 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=CPo_bn1fJaELX20lIFIA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTEzMDA2OCBTYWx0ZWRfX+1gn8eK5OWG7 DqRdu/aLfO31MbyEMBH3qUbqAH/nlSZPA0pJIcEIAfbjg9i8iqwgC55sRAQlN2Lpbpr0l50rMMo N5RPDVXu/9G0dc1H7VNs1G9TKzsMaeKhKWE+eh3o9H6py5Z0QGLBzdZiMtoA7SDJV2KeJthseRa /vOhXeBZlXNkY6Qd6RQVdUm7kj8v/9YIsGaDVd+WRjuezjNzBVjmWE8quJRQ4qlzENVX/Nn1G9M aH1/LD+lkEG/K8Gd+KF3Z0Rv/E86mvPFbAa6dQe/CYm8bolZEEvp8oFFRlppYBkLaJio9BmggDf f1y/owX/EVpMsl7mR/zD882qf2TzoDe9NlNVTGaRIGpE/wJV1bOsp+B9FKMLOD/TAX8ku+DEVL+ nZtzXoqBg8XqS7W56a/Y695reLrPBQ== X-Proofpoint-GUID: mAflZTBlayK31mQw1WzOx-i-yZfUIVmE X-Proofpoint-ORIG-GUID: mAflZTBlayK31mQw1WzOx-i-yZfUIVmE 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=2025-11-13_01,2025-11-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 adultscore=0 malwarescore=0 spamscore=0 clxscore=1015 phishscore=0 bulkscore=0 impostorscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511130068 On 11/12/25 10:16 PM, Akhil P Oommen wrote: > On 11/12/2025 4:37 PM, Konrad Dybcio wrote: >> On 11/10/25 5:37 PM, Akhil P Oommen wrote: >>> AQE (Applicaton Qrisc Engine) is a dedicated core inside CP which aides >>> in Raytracing related workloads. Add support for loading the AQE firmware >>> and initialize the necessary registers. >>> >>> Since AQE engine has dependency on preemption context records, expose >>> Raytracing support to userspace only when preemption is enabled. >>> >>> Signed-off-by: Akhil P Oommen >>> --- [...] >>> --- a/drivers/gpu/drm/msm/adreno/a8xx_gpu.c >>> +++ b/drivers/gpu/drm/msm/adreno/a8xx_gpu.c >>> @@ -616,6 +616,9 @@ static int hw_init(struct msm_gpu *gpu) >>> goto out; >>> >>> gpu_write64(gpu, REG_A8XX_CP_SQE_INSTR_BASE, a6xx_gpu->sqe_iova); >>> + if (a6xx_gpu->aqe_iova) >>> + gpu_write64(gpu, REG_A8XX_CP_AQE_INSTR_BASE_0, a6xx_gpu->aqe_iova); >> >> I believe you should also set CP_AQE_APRIV_CNTL per-pipe > > We already configure CP_APRIV_CNTL_PIPE for this. Aaaah right the register I mentioned is separate on gen7 >> Should we also enable AQE1 while at it, to reduce potential backwards >> compatibility issues? Would that require solving the iommu woes? > Yeah, AQE1 is strictly for LPAC workloads. So lets wait for LPAC support > first. Sounds good, thanks Konrad