From patchwork Wed Jan 8 20:40:00 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil P Oommen X-Patchwork-Id: 13931531 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C5DC0E77199 for ; Wed, 8 Jan 2025 20:40:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 445A110E93B; Wed, 8 Jan 2025 20:40:59 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.b="U9L32vJi"; dkim-atps=neutral Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id B5F1610E92F; Wed, 8 Jan 2025 20:40:57 +0000 (UTC) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 508JsjX3018081; Wed, 8 Jan 2025 20:40:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= s0wRUiY8vAjGesEaJhQA+W2SjHVAeRkNYjaOj1bFXzo=; b=U9L32vJipxU0LG28 5UViXLW7qK778wg/o9bKuoN81ffWrVgcvQ6qms8Dt0ijUmcjOI9bTKXUZqpCrjA9 FZuYfwYSkQRFys3LiDeoGH2LelxwaFfa8zIqfMJGcoNumEs6nW48q1PkgR2eZCP9 96crDkD/gRuoeHaV6NzpVKuAfv3UWifBsoS2aa7ccy9xQRhBDraucnfe4E8B6BN9 V4uYjF+siCCI9nyx1oRM3b7jyq5Slsqrso8HDIik4nyXj7nBCPFgvu75H7ulojXW D+hH4jsZB4OoXEqkos8OlBTrkPHo4cCzTye86FEogEHo3Zd/IKUMJv7cuyPsmVOq ELBn1w== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 441yxfg38t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 08 Jan 2025 20:40:53 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTPS id 508Keqeq021049 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 8 Jan 2025 20:40:52 GMT Received: from [10.213.111.143] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.9; Wed, 8 Jan 2025 12:40:46 -0800 From: Akhil P Oommen Date: Thu, 9 Jan 2025 02:10:00 +0530 Subject: [PATCH v4 4/7] drm/msm/adreno: Add module param to disable ACD MIME-Version: 1.0 Message-ID: <20250109-gpu-acd-v4-4-08a5efaf4a23@quicinc.com> References: <20250109-gpu-acd-v4-0-08a5efaf4a23@quicinc.com> In-Reply-To: <20250109-gpu-acd-v4-0-08a5efaf4a23@quicinc.com> To: Rob Clark , Sean Paul , "Konrad Dybcio" , Abhinav Kumar , Dmitry Baryshkov , Marijn Suijten , David Airlie , "Simona Vetter" , Viresh Kumar , Nishanth Menon , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Akhil P Oommen , Bjorn Andersson , Maya Matuszczyk CC: , , , , , X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1736368821; l=1711; i=quic_akhilpo@quicinc.com; s=20240726; h=from:subject:message-id; bh=lpNlkaAqDtGPqRgiubmBGv2n/ovMOYsokcd/+h9OBho=; b=XnLYNYSw+PBIXC9BNctUNlaFQD8SNSDDhuPka6rTH7P04Icf+hldLBsMAD+RMIWQfGiKpwCZ2 0RtC/tf1ODUBOZNAizztHKX5Bldgj1sicN1Itsj+62ryki/l0YC832j X-Developer-Key: i=quic_akhilpo@quicinc.com; a=ed25519; pk=lmVtttSHmAUYFnJsQHX80IIRmYmXA4+CzpGcWOOsfKA= X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: ba3-x0HbOpk6CwQy8cBPpOj5czysjE6S X-Proofpoint-GUID: ba3-x0HbOpk6CwQy8cBPpOj5czysjE6S X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 phishscore=0 spamscore=0 mlxscore=0 impostorscore=0 priorityscore=1501 adultscore=0 mlxlogscore=999 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2501080168 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Add a module param to disable ACD which will help to quickly rule it out for any GPU issues. Signed-off-by: Akhil P Oommen --- drivers/gpu/drm/msm/adreno/a6xx_gmu.c | 7 +++++++ drivers/gpu/drm/msm/adreno/adreno_device.c | 4 ++++ 2 files changed, 11 insertions(+) diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c index 1f213a0fc61b..ce08eed572c8 100644 --- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.c +++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.c @@ -1475,6 +1475,13 @@ static int a6xx_gmu_acd_probe(struct a6xx_gmu *gmu) struct adreno_gpu *adreno_gpu = &a6xx_gpu->base; struct msm_gpu *gpu = &adreno_gpu->base; int ret, i, cmd_idx = 0; + extern bool disable_acd; + + /* Skip ACD probe if requested via module param */ + if (disable_acd) { + DRM_DEV_ERROR(gmu->dev, "Skipping GPU ACD probe\n"); + return 0; + } cmd->version = 1; cmd->stride = 1; diff --git a/drivers/gpu/drm/msm/adreno/adreno_device.c b/drivers/gpu/drm/msm/adreno/adreno_device.c index 236b25c094cd..f4552b8c6767 100644 --- a/drivers/gpu/drm/msm/adreno/adreno_device.c +++ b/drivers/gpu/drm/msm/adreno/adreno_device.c @@ -24,6 +24,10 @@ int enable_preemption = -1; MODULE_PARM_DESC(enable_preemption, "Enable preemption (A7xx only) (1=on , 0=disable, -1=auto (default))"); module_param(enable_preemption, int, 0600); +bool disable_acd; +MODULE_PARM_DESC(disable_acd, "Forcefully disable GPU ACD"); +module_param_unsafe(disable_acd, bool, 0600); + extern const struct adreno_gpulist a2xx_gpulist; extern const struct adreno_gpulist a3xx_gpulist; extern const struct adreno_gpulist a4xx_gpulist;