From mboxrd@z Thu Jan 1 00:00:00 1970 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 D5C6DC61DB3 for ; Thu, 12 Jan 2023 18:32:31 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D93EC10E32C; Thu, 12 Jan 2023 18:32:30 +0000 (UTC) Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id A76C710E32C for ; Thu, 12 Jan 2023 18:32:28 +0000 (UTC) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 30CGj2xQ012390; Thu, 12 Jan 2023 18:32:26 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=message-id : date : mime-version : subject : to : cc : references : from : in-reply-to : content-type : content-transfer-encoding; s=qcppdkim1; bh=pnASPewPQ/9t1uODLyaFYQVMl3xAkLwZ9+Kk0+arix4=; b=D2iTbDjxZl+A6y0O0f/HJiUfT9GfeilUIe17QpnyoBdP3YMywJNYYhTfVvoIAvnBCIam R4xSshIaunXz4HHrYYTNtS4qKWG3EgkEUF7idusPRXfI+k6thrMLjVuOEZ/671S34X0Z xp0W4ISEVlN/P3lSuZJLtTu6kzgG2w9392ddwCw5+Is+u5ZExiCwIOerG7ROZ5wzEFXd FBolsYCanRD+BwIkj6AtAmaoQ+FyGW2Mibj9usfn/idiPORJomDrSFd55GAFGxCMDTp+ hQnNzM8oMuaxOW6tP18W6GX59Dx/PlSOfnCgv+veMmjbh1G125/usaZTRQGRUt+pJ928 IQ== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3n1kbqcuv3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Jan 2023 18:32:25 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 30CIWOOk017980 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 Jan 2023 18:32:24 GMT Received: from [10.226.59.182] (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 15.2.986.36; Thu, 12 Jan 2023 10:32:23 -0800 Message-ID: <78b9f039-6612-e78c-231e-edeb092f2489@quicinc.com> Date: Thu, 12 Jan 2023 11:32:22 -0700 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.6.0 Subject: Re: [PATCH v5 6/7] accel/ivpu: Add command buffer submission logic Content-Language: en-US To: Jacek Lawrynowicz , , , , , References: <20230109122344.253994-1-jacek.lawrynowicz@linux.intel.com> <20230109122344.253994-7-jacek.lawrynowicz@linux.intel.com> From: Jeffrey Hugo In-Reply-To: <20230109122344.253994-7-jacek.lawrynowicz@linux.intel.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) 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-GUID: 3jzb8DTMy0NynSRx08qzj2MtStLD-_6u X-Proofpoint-ORIG-GUID: 3jzb8DTMy0NynSRx08qzj2MtStLD-_6u X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.219,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2023-01-12_10,2023-01-12_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 suspectscore=0 mlxlogscore=999 spamscore=0 malwarescore=0 adultscore=0 mlxscore=0 impostorscore=0 phishscore=0 clxscore=1015 bulkscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2212070000 definitions=main-2301120133 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: , Cc: andrzej.kacprowski@linux.intel.com, stanislaw.gruszka@linux.intel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On 1/9/2023 5:23 AM, Jacek Lawrynowicz wrote: > Each of the user contexts has two command queues, one for compute engine > and one for the copy engine. Command queues are allocated and registered > in the device when the first job (command buffer) is submitted from > the user space to the VPU device. The userspace provides a list of > GEM buffer object handles to submit to the VPU, the driver resolves > buffer handles, pins physical memory if needed, increments ref count > for each buffer and stores pointers to buffer objects in > the ivpu_job objects that track jobs submitted to the device. > The VPU signals job completion with an asynchronous message that > contains the job id passed to firmware when the job was submitted. > > Currently, the driver supports simple scheduling logic > where jobs submitted from user space are immediately pushed > to the VPU device command queues. In the future, it will be > extended to use hardware base scheduling and/or drm_sched. > > Co-developed-by: Andrzej Kacprowski > Signed-off-by: Andrzej Kacprowski > Signed-off-by: Jacek Lawrynowicz Reviewed-by: Jeffrey Hugo