From patchwork Fri Mar 15 14:50:33 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Hugo X-Patchwork-Id: 780559 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 C76FC3613B for ; Fri, 15 Mar 2024 14:51:06 +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=1710514268; cv=none; b=cXaSko0uJTEotTitEWgc3jBlBEHZbeTUDmbrPufmTmJtl7pbYcbM0lj+MB30Gf0I0IiVS6Y3B2utavl/CftfqodlgetBJqOROVl4b8W4Vt9yE5UmR3n6sg5q7uuUnsb38X88WR938QmZOWKnnoDol/an+WwX75Dx3Bycy832i6s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1710514268; c=relaxed/simple; bh=HLO2RurGKe5GL6QpeMb9GKVqtFHxqd+5MJZOUC8H5t8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KfFDvcniWEcBlMx/Ovs1fU23+GbHdzgj3Gaem7/6xO5yq7ow4j4Q1NuQqeJngDV5CfRFU8l8crx8Qcs0HyJJD0v27XEIfVKFZuX5w0NYIBPBKPtsT+9Da4dMMNEW62/kWngyRf977/QWZrJMRKIwpZNwQPi6ZmaxGQumxpLtqdw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=KpG9bzaO; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="KpG9bzaO" Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 42FEh4A9015326; Fri, 15 Mar 2024 14:50:54 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-transfer-encoding:content-type; s= qcppdkim1; bh=YwRoGYZ/Oyz+mYtH8l3dbcPpq98R8O7d5CoLQQ3UeVs=; b=Kp G9bzaOQdYLRVOYeq7DDBdXOrZ033RuKAIVOHRG//BqdZait/oy/anyQ8JY0Yihuo QROt/hXp74ZAPecL9u2+8tNLel+2T6+iSpoc2XzjFg8yknEEW/Eu2YR01hVBdlXv Ihz7OYi9ZTZae0ZV7dx15FRpnPJnOm/HqlOhBl9oBgPbfmK2Wrpb98T8yse9Tg2J uZfog05nO2uwXnoZAqU2fLz8fVnPIuCnbioxLglVpySOreA0NKZ1JXLZ4W7v+svN oNbAPkfJT0jt+6EmN27es7pSS/GqaXBo2IbbMmoii5VDC2zuYhY8tFci41NMbMJ7 TeaVIwgsMtivepGx7hfA== Received: from nalasppmta02.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3wvj82rm3c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Mar 2024 14:50:54 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA02.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 42FEormg017165 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Mar 2024 14:50:53 GMT Received: from jhugo-lnx.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 15.2.1118.40; Fri, 15 Mar 2024 07:50:52 -0700 From: Jeffrey Hugo To: , , , , , CC: , , , Daniel Vetter , Jeffrey Hugo Subject: [PATCH 1/2] drm: Add DRM-managed alloc_workqueue() and alloc_ordered_workqueue() Date: Fri, 15 Mar 2024 08:50:33 -0600 Message-ID: <20240315145034.3972749-2-quic_jhugo@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240315145034.3972749-1-quic_jhugo@quicinc.com> References: <20240315145034.3972749-1-quic_jhugo@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: 5Xc64evmlZJAaZ905iitsGOEohBuu1G9 X-Proofpoint-GUID: 5Xc64evmlZJAaZ905iitsGOEohBuu1G9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-03-15_02,2024-03-13_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1011 lowpriorityscore=0 phishscore=0 impostorscore=0 mlxscore=0 malwarescore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 bulkscore=0 suspectscore=0 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403140001 definitions=main-2403150120 From: Jiasheng Jiang Add drmm_alloc_workqueue() and drmm_alloc_ordered_workqueue(), the helpers that provide managed workqueue cleanup. The workqueue will be destroyed with the final reference of the DRM device. Signed-off-by: Jiasheng Jiang Reviewed-by: Daniel Vetter [jhugo: fix API to return the alloc'd workqueue] Signed-off-by: Jeffrey Hugo Reviewed-by: Carl Vanderlip Reviewed-by: Pranjal Ramajor Asha Kanojiya --- drivers/gpu/drm/drm_managed.c | 82 +++++++++++++++++++++++++++++++++++ include/drm/drm_managed.h | 8 ++++ 2 files changed, 90 insertions(+) diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c index 7646f67bda4e..d5135a471ff2 100644 --- a/drivers/gpu/drm/drm_managed.c +++ b/drivers/gpu/drm/drm_managed.c @@ -310,3 +310,85 @@ void __drmm_mutex_release(struct drm_device *dev, void *res) mutex_destroy(lock); } EXPORT_SYMBOL(__drmm_mutex_release); + +static void drmm_destroy_workqueue(struct drm_device *dev, void *res) +{ + struct workqueue_struct *wq = res; + + destroy_workqueue(wq); +} + +/** + * drmm_alloc_workqueue - &drm_device-managed alloc_workqueue() + * @dev: DRM device + * @wq: workqueue to be allocated + * + * Returns: + * Valid pointer on success, NULL on error. + * + * This is a &drm_device-managed version of alloc_workqueue(). + * The initialized lock is automatically destroyed on the final + * drm_dev_put(). + */ +struct workqueue_struct *drmm_alloc_workqueue(struct drm_device *dev, + const char *fmt, unsigned int flags, + int max_active, ...) +{ + struct workqueue_struct *wq; + va_list args; + int ret; + + va_start(args, max_active); + wq = alloc_workqueue(fmt, flags, max_active, args); + va_end(args); + + if (!wq) + return NULL; + + ret = drmm_add_action_or_reset(dev, drmm_destroy_workqueue, wq); + if (ret) { + destroy_workqueue(wq); + return NULL; + } + + return wq; +} +EXPORT_SYMBOL(drmm_alloc_workqueue); + +/** + * drmm_alloc_ordered_workqueue - &drm_device-managed + * alloc_ordered_workqueue() + * @dev: DRM device + * @wq: workqueue to be allocated + * + * Returns: + * Valid pointer on success, NULL on error. + * + * This is a &drm_device-managed version of alloc_ordered_workqueue(). + * The initialized lock is automatically destroyed on the final + * drm_dev_put(). + */ +struct workqueue_struct *drmm_alloc_ordered_workqueue(struct drm_device *dev, + const char *fmt, + unsigned int flags, ...) +{ + struct workqueue_struct *wq; + va_list args; + int ret; + + va_start(args, flags); + wq = alloc_ordered_workqueue(fmt, flags, args); + va_end(args); + + if (!wq) + return NULL; + + ret = drmm_add_action_or_reset(dev, drmm_destroy_workqueue, wq); + if (ret) { + destroy_workqueue(wq); + return NULL; + } + + return wq; +} +EXPORT_SYMBOL(drmm_alloc_ordered_workqueue); diff --git a/include/drm/drm_managed.h b/include/drm/drm_managed.h index f547b09ca023..cb42fb252648 100644 --- a/include/drm/drm_managed.h +++ b/include/drm/drm_managed.h @@ -127,4 +127,12 @@ void __drmm_mutex_release(struct drm_device *dev, void *res); drmm_add_action_or_reset(dev, __drmm_mutex_release, lock); \ }) \ +struct workqueue_struct *drmm_alloc_workqueue(struct drm_device *dev, + const char *fmt, unsigned int flags, + int max_active, ...); + +struct workqueue_struct *drmm_alloc_ordered_workqueue(struct drm_device *dev, + const char *fmt, + unsigned int flags, ...); + #endif