From patchwork Thu Aug 18 20:22:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Akhil P Oommen X-Patchwork-Id: 12947846 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 A6D7AC00140 for ; Thu, 18 Aug 2022 20:23:23 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 024EE10E624; Thu, 18 Aug 2022 20:23:09 +0000 (UTC) Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2DFD910E3EC; Thu, 18 Aug 2022 20:22:47 +0000 (UTC) Received: from pps.filterd (m0279865.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27IJxADI025815; Thu, 18 Aug 2022 20:22:42 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-type; s=qcppdkim1; bh=12kXdZRBTG5i3DXr6DYowut10y2IN98X+YP+fIDvAdo=; b=lJlChWm9iTlmENNqCqfnH2fj1a69c3AZo4RaiG0KFV2EhdX2dus5Mrsc/ORNt62msZw7 ZADQKKKrLsbLs1C1d0kk3TKrO73P7IkCoOQFbTaQxZzpRVj0/Tg5yYBmmJ4nchXu9A+W zw8jQcbH6x2QWLvIGpRDizLfbSQxDLHhZiuDn1dBclc+JauslNz3YFPs25ioFmbDsM85 dxI0G/WpwfduBXCAlTPt5ion1fa1x1ItFycwE+vHzJpgIR+mtObmSWZBP4+qApOneqlh zjfNXynvs0Povn14lXq46MEWHLWHmMuuRU+cX1AdgcHLJ4UHcBoTP7OnilXP0hqzj0/y aA== Received: from nalasppmta04.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3j1hbqajje-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 Aug 2022 20:22:41 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA04.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 27IKMfkE020534 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 18 Aug 2022 20:22:41 GMT Received: from hyd-lnxbld559.qualcomm.com (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 15.2.986.22; Thu, 18 Aug 2022 13:22:36 -0700 From: Akhil P Oommen To: freedreno , , , Rob Clark , Bjorn Andersson , "Dmitry Baryshkov" Subject: [PATCH v5 2/7] drm/msm: Take single rpm refcount on behalf of all submits Date: Fri, 19 Aug 2022 01:52:10 +0530 Message-ID: <20220819015030.v5.2.Ifee853f6d8217a0fdacc459092bbc9e81a8a7ac7@changeid> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1660854135-1667-1-git-send-email-quic_akhilpo@quicinc.com> References: <1660854135-1667-1-git-send-email-quic_akhilpo@quicinc.com> MIME-Version: 1.0 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: lPYInJLnPaqCCjbnJZ0JJLp38LnaqMoK X-Proofpoint-ORIG-GUID: lPYInJLnPaqCCjbnJZ0JJLp38LnaqMoK X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-18_14,2022-08-18_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 mlxlogscore=999 phishscore=0 lowpriorityscore=0 impostorscore=0 bulkscore=0 adultscore=0 priorityscore=1501 clxscore=1015 mlxscore=0 malwarescore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208180074 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: Jonathan Marek , Akhil P Oommen , linux-kernel@vger.kernel.org, Abhinav Kumar , Douglas Anderson , David Airlie , Matthias Kaehlcke , Jordan Crouse , Sean Paul Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Instead of separate refcount for each submit, take single rpm refcount on behalf of all the submits. This makes it easier to drop the rpm refcount during recovery in an upcoming patch. Signed-off-by: Akhil P Oommen --- (no changes since v3) Changes in v3: - New patch drivers/gpu/drm/msm/msm_gpu.c | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_gpu.c b/drivers/gpu/drm/msm/msm_gpu.c index c8cd9bf..e1dd3cc 100644 --- a/drivers/gpu/drm/msm/msm_gpu.c +++ b/drivers/gpu/drm/msm/msm_gpu.c @@ -663,11 +663,12 @@ static void retire_submit(struct msm_gpu *gpu, struct msm_ringbuffer *ring, mutex_lock(&gpu->active_lock); gpu->active_submits--; WARN_ON(gpu->active_submits < 0); - if (!gpu->active_submits) + if (!gpu->active_submits) { msm_devfreq_idle(gpu); - mutex_unlock(&gpu->active_lock); + pm_runtime_put_autosuspend(&gpu->pdev->dev); + } - pm_runtime_put_autosuspend(&gpu->pdev->dev); + mutex_unlock(&gpu->active_lock); msm_gem_submit_put(submit); } @@ -756,14 +757,17 @@ void msm_gpu_submit(struct msm_gpu *gpu, struct msm_gem_submit *submit) /* Update devfreq on transition from idle->active: */ mutex_lock(&gpu->active_lock); - if (!gpu->active_submits) + if (!gpu->active_submits) { + pm_runtime_get(&gpu->pdev->dev); msm_devfreq_active(gpu); + } gpu->active_submits++; mutex_unlock(&gpu->active_lock); gpu->funcs->submit(gpu, submit); gpu->cur_ctx_seqno = submit->queue->ctx->seqno; + pm_runtime_put(&gpu->pdev->dev); hangcheck_timer_reset(gpu); }