From patchwork Fri Sep 1 17:22:44 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jeffrey Hugo X-Patchwork-Id: 13372786 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B514CA0FEE for ; Fri, 1 Sep 2023 17:23:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1350362AbjIARX0 (ORCPT ); Fri, 1 Sep 2023 13:23:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36038 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350364AbjIARX0 (ORCPT ); Fri, 1 Sep 2023 13:23:26 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 19A3C1B2 for ; Fri, 1 Sep 2023 10:23:23 -0700 (PDT) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 381Gu4IA020646; Fri, 1 Sep 2023 17:23:18 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=GdDJWpuNPTVHMeLRnqVCvO713EWNJCWD844POi6E74U=; b=V3guexkWJUmJv+XwpMW4LzZGNPbRDveveZ+xd0Iul/3rCN0VLWgHiraDtaQjOdwjncrd G5WH5gEDmR+5kZbSFa4j+g6r9ip3bzzDiWz1V9+z0VW0C07pj4gndrN30aaAVUMUS3he lJKN33FlAwyzRc+2AXTfwKbq9WdTVYuJPFyw5S9bVUqw1MOA50/qWdSI9O+n/Th6QKiz xkuw4x79fHt4hJoIZWOJDIa5V69O5eD2zgjk+drGMgLn6TLSe+Xb8+wmI58csK4NzMKp WH0an6OT5MvzwCIyONP/9RVq6Z0Uz6uo4+Bhi9+P8xVLZiiG1V+fqoRzLGzyJyOyoHQm lA== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3suc9k1de8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Sep 2023 17:23:17 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA05.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 381HNG4r021165 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 1 Sep 2023 17:23:16 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 15.2.1118.36; Fri, 1 Sep 2023 10:23:16 -0700 From: Jeffrey Hugo To: , , , CC: , , Jeffrey Hugo Subject: [PATCH 4/7] accel/qaic: Undo slicing setup done in qaic_attach_slicing_bo() Date: Fri, 1 Sep 2023 11:22:44 -0600 Message-ID: <20230901172247.11410-5-quic_jhugo@quicinc.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230901172247.11410-1-quic_jhugo@quicinc.com> References: <20230901172247.11410-1-quic_jhugo@quicinc.com> MIME-Version: 1.0 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-GUID: qpbRF9F6FH4n_0X5MpNf5FKkZxVDuwXy X-Proofpoint-ORIG-GUID: qpbRF9F6FH4n_0X5MpNf5FKkZxVDuwXy X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-01_14,2023-08-31_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 mlxlogscore=999 bulkscore=0 clxscore=1015 phishscore=0 impostorscore=0 lowpriorityscore=0 priorityscore=1501 mlxscore=0 spamscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309010163 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org From: Pranjal Ramajor Asha Kanojiya qaic_attach_slicing_bo() updates slicing config on BO. Use the existing function qaic_free_slices_bo() to remove slicing config done in qaic_attach_slicing_bo(). Use qaic_free_slices_bo() to cleanup release_dbc() This would be helpful when we introduce a new IOCTL to detach slicing configuration onto a BO. Signed-off-by: Pranjal Ramajor Asha Kanojiya Reviewed-by: Jeffrey Hugo Signed-off-by: Jeffrey Hugo --- drivers/accel/qaic/qaic_data.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) diff --git a/drivers/accel/qaic/qaic_data.c b/drivers/accel/qaic/qaic_data.c index 6a802497834c..c4b8b4bf0200 100644 --- a/drivers/accel/qaic/qaic_data.c +++ b/drivers/accel/qaic/qaic_data.c @@ -154,6 +154,7 @@ static void free_slice(struct kref *kref) { struct bo_slice *slice = container_of(kref, struct bo_slice, ref_count); + slice->bo->total_slice_nents -= slice->nents; list_del(&slice->slice); drm_gem_object_put(&slice->bo->base); sg_free_table(slice->sgt); @@ -890,6 +891,9 @@ static void qaic_free_slices_bo(struct qaic_bo *bo) list_for_each_entry_safe(slice, temp, &bo->slices, slice) kref_put(&slice->ref_count, free_slice); + if (WARN_ON_ONCE(bo->total_slice_nents != 0)) + bo->total_slice_nents = 0; + bo->nr_slice = 0; } static int qaic_attach_slicing_bo(struct qaic_device *qdev, struct qaic_bo *bo, @@ -1851,7 +1855,6 @@ void wakeup_dbc(struct qaic_device *qdev, u32 dbc_id) void release_dbc(struct qaic_device *qdev, u32 dbc_id) { - struct bo_slice *slice, *slice_temp; struct qaic_bo *bo, *bo_temp; struct dma_bridge_chan *dbc; @@ -1869,12 +1872,10 @@ void release_dbc(struct qaic_device *qdev, u32 dbc_id) dbc->usr = NULL; list_for_each_entry_safe(bo, bo_temp, &dbc->bo_lists, bo_list) { + qaic_free_slices_bo(bo); qaic_unprepare_bo(qdev, bo); - list_for_each_entry_safe(slice, slice_temp, &bo->slices, slice) - kref_put(&slice->ref_count, free_slice); bo->sliced = false; INIT_LIST_HEAD(&bo->slices); - bo->total_slice_nents = 0; bo->nr_slice_xfer_done = 0; bo->queued = false; bo->req_id = 0;