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 11BFA3A1E80 for ; Mon, 6 Jul 2026 22:00:30 +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=1783375232; cv=none; b=UoSI/dZSSucbEASmQKBPzUXG6A+OoZIJEKFK4TLOwHHFgX3uli+5B212bnFP2JqDv1MYL4baNG5R+36t9dfVIIM6i9b/cpcM3sqDs0cAezKTBglgsD6rfYWAP+3Q72WXNK41uzPozdvU0Sf8HjwOe+oQufynX0nzyEcyzGNOD0A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783375232; c=relaxed/simple; bh=MR//AUJFpSVzyxokXobc1Pj3ojV9uirrrJFh0I7MFXI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=h4LPmq0lxzrLfNkKyhxponwu0pb1JVwj3q5KNKYLjq1gh52It3Uojn2uspZjnVKMktwbZBXLw6nxK7hzRR+ogDVwbfb1SXWi6ipdOaiEW/T615uxXnT0RZw7MwkVT1uOCAKGVldC80koTsxEF1Zbt0PAdA51OWUPdweQpOgmcTY= 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=nXloEUAu; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b=Dl+GgkU/; 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="nXloEUAu"; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.b="Dl+GgkU/" 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 666KDwft1478003 for ; Mon, 6 Jul 2026 22:00:30 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= UJ9CchBYgkba1ighCLzdrX5XHMqvhwflUCwUXgnlH/8=; b=nXloEUAus6N2V2gO A1DO4owpicH2FzAcrxJEyykSEBlIYqyCSXQsYFhlOY3ekVtKlmFjCwGDAHl+EtHq 98SRm2L5V43Ueuu/GmeTDoJd2lQJ/0sjTRpiz+3bYYs5JeZ12/FNmy/jsPMXAU4e 5PRAEAi+2m/qIJHwvyXpy8ZSI+XeRWvH8HTqvvM4q/WWGD4zqZMtX0K0iQ0ZsUP4 pfP8AJHTtruE0TAYsG/HSVdadfx0nKINjL++ym6AkwUdSjxH3DKrF7SkqA6tuzs+ MOo2jrIpOfdwVmlFBHPn0FtH3N+YRp/zYhGUd7828HyJIeeM78i2FOrdk9RdJnt3 vyGHqw== Received: from mail-pg1-f197.google.com (mail-pg1-f197.google.com [209.85.215.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4f88hsbh3a-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Mon, 06 Jul 2026 22:00:29 +0000 (GMT) Received: by mail-pg1-f197.google.com with SMTP id 41be03b00d2f7-c89704da8c7so5608511a12.0 for ; Mon, 06 Jul 2026 15:00:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1783375229; x=1783980029; darn=vger.kernel.org; h=content-transfer-encoding:in-reply-to:content-language:from :references:cc:to:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=UJ9CchBYgkba1ighCLzdrX5XHMqvhwflUCwUXgnlH/8=; b=Dl+GgkU/e/+omr9s3k8UoOmk2pXfeIeSQLuCEJTRRUPkzrFlv/Zq7Dp2e815bx+PgG 218Fx0IavusKN7ZNv8Wsy6jE0VMMV06ttqNSwSYNtZwFkf008SD2rp2c/otWTb9bAsCX fk+dSDUUcEi/Jo5uuZ3zuDi11xMKVtomTajK6EpnhU28u5m0fRk2C21v2IdHvfJbHugU pscZUwUM96yljiOvyM9kZw1+LmhYbGcl3PD422QFGqgdLJ+KRWD0B0UBvzH1GoYqGMKW pKS+hT7lu06+mcnFhKtXdSVstzcQAcM4BLDNDm5G2AZcf64kqVlmcjyQIk5CR1/dnCGa lUeg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1783375229; x=1783980029; h=content-transfer-encoding:in-reply-to:content-language:from :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=UJ9CchBYgkba1ighCLzdrX5XHMqvhwflUCwUXgnlH/8=; b=eCO2J+KbSF9UeOkSQLK25Z4hoHr4sqXDlYbTmMdrDKHP5PqqVsVjB6bTeoLv8jyvJU rfLLA/jL9wW+xhfHpj71Bg4Yn97aNw8TZFtN8hJPpp6Xb+RmuPKKmhYuNqeShKYwaAA6 4nsFFpwwdXCdWX06SqMwNIMcQMUmDyk3qb/g19Jr313jJLujPGxH08j//x9m729jygLo ePdc3GOnCBpjhQLBG+x8X/DxxmMiZgD1Lz/rkgTV7SkcaypN6+wXWDfPCoYAslDPeko0 oIPvub1+U8MxHt9UpqVFTuNVYuw0CvXg5WY2DEesocE3Ep8G6M2/OAZe1HBfzHTIFlyK WyxQ== X-Forwarded-Encrypted: i=1; AHgh+RqP4CuqSCL5xpvJnEjgdeAuXs/CEN9lKth7XEOkTrIkLM4urVyr0XGAgS3EBObWUrW58W2M9kp/TLVF@vger.kernel.org X-Gm-Message-State: AOJu0Yy8GAbjgMXNpOeFen7seQugvIp4//fiB87w9URIKSb4T79rg7S9 1ZKm1IxTz1w4XaxcAE8LKkPYC181wggL00FGEE6dsh05X2i0Evdt8WA80s0DENpuJK25ImmAHae MXiq+Miv4K+lMAtdPrh7U3HEl1Y3fVrnoeeqYhBicvIL9QiTdAKIXYb+wfVKRHj8q X-Gm-Gg: AfdE7cmmpI2fiktBn6Ngk+7Rl1EP0ILmRAcL9dkrnu7Mc4hDXjwvgZEEkN5xl7sizUz uOVKfzOB2dZYP2y5kuo3WAoJvodeufKqmQqlXS73ecNBrwYRZvGTZdrzkAgqrLUQBOzzFHzzXVc FSmvNkkf+aB+uPgy+tXpCaf9Ddo1X1x/1uw0IUcza+LtTZ/t112No7Yx5naxyMGnLV6sDRmCfB4 AAT9ttBT5GcknjdAig5m8rMcaKQ4trknPXX3EATsjgA3RXzNjsga7lZ819Tk5ydABUkoCgdOgHm xblsTZ1jGrJRPLgTSYnMSGcqqiakfpl/7PGC5YkUiCCppIDt6e3WtnzaElGpNiwa3OWoHELFaSR Uv+y9U01PpGJkhWRb/oJMQ3Vuos58OwVqX7M= X-Received: by 2002:a05:6a20:6a0e:b0:3bf:a0e5:99a5 with SMTP id adf61e73a8af0-3c08ef84c1amr2736377637.47.1783375228960; Mon, 06 Jul 2026 15:00:28 -0700 (PDT) X-Received: by 2002:a05:6a20:6a0e:b0:3bf:a0e5:99a5 with SMTP id adf61e73a8af0-3c08ef84c1amr2736318637.47.1783375228354; Mon, 06 Jul 2026 15:00:28 -0700 (PDT) Received: from [192.168.1.9] ([106.222.230.254]) by smtp.gmail.com with ESMTPSA id a92af1059eb24-13b659c8665sm693268c88.10.2026.07.06.15.00.20 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 06 Jul 2026 15:00:27 -0700 (PDT) Message-ID: <10e4f102-3dc9-4fb9-a6ba-2dfc23a16df3@oss.qualcomm.com> Date: Tue, 7 Jul 2026 03:30:18 +0530 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFC PATCH 00/13] Enable LPAC on a7xx series GPUs To: Dmitry Baryshkov , Anna Maniscalco Cc: Rob Clark , Will Deacon , Robin Murphy , Joerg Roedel , Sean Paul , Konrad Dybcio , Dmitry Baryshkov , Abhinav Kumar , Jessica Zhang , Marijn Suijten , David Airlie , Simona Vetter , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , iommu@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org References: <20260705-descriptive-name-lpac-upstream-v1-0-01d50c3e0c99@gmail.com> From: Akhil P Oommen Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: hmxRAGKTA-4m0KsAeQqzNUJF_I55xS2x X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzA2MDIyMiBTYWx0ZWRfX/++My5633hBo su1l27VMT+OwZPdG1RcMQ/LjVDFmKH5TdqBrJrkRBEK0snreyTWzX6NP4V9CYAXdwrLIxi6aiqL Wv9Lzx2csT0qU4mh4WLyhL9auy8uiU2LoE7CqI0X8UVhdVVCWGBMfwLz2vF3yzQCMz0GXPv4kA1 GRPwKTbtosRlssimcS78thzHbyeOaMIWMUo7w3ijVV3vNSqGhfoXF9FhQyB/RpL1dHEZogAUbiQ KwZnm3uhLagpohNMIOhDEN0HOYSLZ/FUdJupehAM/K62f6yhvuwHZCqLi1gDcLafzMxcFQofbCE EFmM7Ge+GzFtxjo4cXMCY8lxK44ZesDfJMehAjdSDw9J2QWGE0EHpT9Xd58TA2Zxt9LWxrsLTG0 qlx0XqfpPJArIxkLRlT0UUWUlDNQpEfCnY9mtGLk6VCm4zYo36vhBrMML7kZGNPeqFGb7/g0dCr wbNngXrLXBDc/pFTNcA== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzA2MDIyMiBTYWx0ZWRfXyVYlNL/pnOGf OF8H95Y9qw4QUQx7BRiGvqhQgFOLsdMm4FkaQ8z4jSCmGCbwFBN/in28jZYUR0ccPuPyiLh3lUn Me1+uFMcfz4egGTn0wXKVjNo6P2Oqbo= X-Authority-Analysis: v=2.4 cv=XIwAjwhE c=1 sm=1 tr=0 ts=6a4c257d cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=fsdq8dFr2Uux402FS9br8A==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=TH67rrwzn_JHXtltAFAA:9 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-GUID: hmxRAGKTA-4m0KsAeQqzNUJF_I55xS2x X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-06_03,2026-07-06_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 phishscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607060222 On 7/6/2026 8:27 PM, Dmitry Baryshkov wrote: > On Sun, Jul 05, 2026 at 09:13:34PM +0200, Anna Maniscalco wrote: >> This series enables LPAC on a7xx GPUs > > What is LPAC? Please explain (or at least expand it once) it here and in > the first commit goes to each subsystem Low Priority Async Compute. -Akhil. > >> >> Currently hangcheck and recovery are broken as the patches to make them >> work depend on https://lore.kernel.org/linux-arm-msm/20250911-preemption_aware_hangcheck-v1-0-974819876819@gmail.com/ >> >> The series also depends on https://lore.kernel.org/linux-arm-msm/177919116291.814652.1720687887970998122.b4-ty@kernel.org/ >> to work correctly. >> >> Signed-off-by: Anna Maniscalco >