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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 | 87 +++++++++++++++++++++++++++++++++++ include/drm/drm_managed.h | 8 ++++ 2 files changed, 95 insertions(+) diff --git a/drivers/gpu/drm/drm_managed.c b/drivers/gpu/drm/drm_managed.c index 7646f67bda4e..fe31117b3811 100644 --- a/drivers/gpu/drm/drm_managed.c +++ b/drivers/gpu/drm/drm_managed.c @@ -310,3 +310,90 @@ 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 + * @fmt: printf format for the name of the workqueue + * @flags: WQ_* flags + * @max_active: max in-flight work items per CPU, 0 for default + * remaining args: args for @fmt + * + * 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 + * @fmt: printf format for the name of the workqueue + * @flags: WQ_* flags + * remaining args: args for @fmt + * + * 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 From patchwork Fri Mar 22 19:01:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Hugo X-Patchwork-Id: 781876 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 B0C0276C91 for ; 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Fri, 22 Mar 2024 19:01:52 +0000 (GMT) Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 42MJ1pK1016345 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 22 Mar 2024 19:01:52 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, 22 Mar 2024 12:01:50 -0700 From: Jeffrey Hugo To: , , , , , CC: , , , Jeffrey Hugo Subject: [PATCH v2 2/2] accel/qaic: Use drmm_alloc_workqueue() Date: Fri, 22 Mar 2024 13:01:21 -0600 Message-ID: <20240322190121.3881425-3-quic_jhugo@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240322190121.3881425-1-quic_jhugo@quicinc.com> References: <20240322190121.3881425-1-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-GUID: tA849XoH6GbqC5VKPSV3xQQi3uGHNKyo X-Proofpoint-ORIG-GUID: tA849XoH6GbqC5VKPSV3xQQi3uGHNKyo 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=2024-03-22_11,2024-03-21_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 adultscore=0 mlxlogscore=999 priorityscore=1501 lowpriorityscore=0 phishscore=0 clxscore=1015 bulkscore=0 impostorscore=0 spamscore=0 malwarescore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2403210001 definitions=main-2403220137 Now that drmm_alloc_workqueue() exists, we can stop open coding our own implementation. Signed-off-by: Jeffrey Hugo Reviewed-by: Carl Vanderlip Reviewed-by: Pranjal Ramajor Asha Kanojiya --- drivers/accel/qaic/qaic_drv.c | 30 ++++-------------------------- 1 file changed, 4 insertions(+), 26 deletions(-) diff --git a/drivers/accel/qaic/qaic_drv.c b/drivers/accel/qaic/qaic_drv.c index d1a632dbaec6..82c0c3ad57bf 100644 --- a/drivers/accel/qaic/qaic_drv.c +++ b/drivers/accel/qaic/qaic_drv.c @@ -44,28 +44,6 @@ MODULE_PARM_DESC(datapath_polling, "Operate the datapath in polling mode"); static bool link_up; static DEFINE_IDA(qaic_usrs); -static void qaicm_wq_release(struct drm_device *dev, void *res) -{ - struct workqueue_struct *wq = res; - - destroy_workqueue(wq); -} - -static struct workqueue_struct *qaicm_wq_init(struct drm_device *dev, const char *fmt) -{ - struct workqueue_struct *wq; - int ret; - - wq = alloc_workqueue(fmt, WQ_UNBOUND, 0); - if (!wq) - return ERR_PTR(-ENOMEM); - ret = drmm_add_action_or_reset(dev, qaicm_wq_release, wq); - if (ret) - return ERR_PTR(ret); - - return wq; -} - static void qaicm_srcu_release(struct drm_device *dev, void *res) { struct srcu_struct *lock = res; @@ -383,11 +361,11 @@ static struct qaic_device *create_qdev(struct pci_dev *pdev, const struct pci_de if (ret) return NULL; - qdev->cntl_wq = qaicm_wq_init(drm, "qaic_cntl"); - if (IS_ERR(qdev->cntl_wq)) + qdev->cntl_wq = drmm_alloc_workqueue(drm, "qaic_cntl", WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE); + if (!qdev->cntl_wq) return NULL; - qdev->qts_wq = qaicm_wq_init(drm, "qaic_ts"); - if (IS_ERR(qdev->qts_wq)) + qdev->qts_wq = drmm_alloc_workqueue(drm, "qaic_ts", WQ_UNBOUND, WQ_UNBOUND_MAX_ACTIVE); + if (!qdev->qts_wq) return NULL; ret = qaicm_srcu_init(drm, &qdev->dev_lock);