From patchwork Fri Sep 15 21:38:15 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 13387762 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 472A5CD37AF for ; Fri, 15 Sep 2023 21:39:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237718AbjIOVjU (ORCPT ); Fri, 15 Sep 2023 17:39:20 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60884 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237452AbjIOViy (ORCPT ); Fri, 15 Sep 2023 17:38:54 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10E9EB8; Fri, 15 Sep 2023 14:38:49 -0700 (PDT) Received: from pps.filterd (m0279868.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38FLVqUn019278; Fri, 15 Sep 2023 21:38:39 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=P1oGUFuxb73yOXKQ5NYHmRx7z6WC8IEDuXMifT614u0=; b=LkUooMz0Z+CBILyJ0eH/aPRRyaLd+jTPweGDEt+VQLSBkfQ1I43xiaC+FRyXkVAw22Ew XfWB3rFG/hvbGAaVJfuFj/HpI2uKFqIW67i3mfVZxU4Kn6zvNIC8GcItbyDFlrjkM0+0 I7YRkYfPb+Zc5tbX+tStD8u2dK/n/UHZzPvDFHhKP5CMAy11Jn6GDvb664zR33nVLT8s usgmYjE4PwyKk66A1m96B0ByMFBNmO+XUTrf0Yz9eUfeuLOQmfFGimi4M/HbTPNuJ6uH BK/2eVueir1EJcTJOb8UPaJcUozhaTTobtxVvqFjsSlCfcQ/tqf88klartaihPWVTyU4 AQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t4g5tj5xv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 21:38:39 +0000 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 38FLccS7024814 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 21:38:38 GMT Received: from khsieh-linux1.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, 15 Sep 2023 14:38:37 -0700 From: Kuogee Hsieh To: , , , , , , , , , , CC: Kuogee Hsieh , , , , , , , Subject: [PATCH v3 1/7] drm/msm/dp: tie dp_display_irq_handler() with dp driver Date: Fri, 15 Sep 2023 14:38:15 -0700 Message-ID: <1694813901-26952-2-git-send-email-quic_khsieh@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1694813901-26952-1-git-send-email-quic_khsieh@quicinc.com> References: <1694813901-26952-1-git-send-email-quic_khsieh@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-ORIG-GUID: _ben7jJ7ASmqDW4uraRYS-b5CAs7cBUu X-Proofpoint-GUID: _ben7jJ7ASmqDW4uraRYS-b5CAs7cBUu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-15_17,2023-09-15_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 mlxscore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309150194 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently the dp_display_irq_handler() is executed at msm_dp_modeset_init() which ties irq registration to the DPU device's life cycle, while depending on resources that are released as the DP device is torn down. Move register DP driver irq handler at dp_display_probe() to have dp_display_irq_handler() is tied with DP device. Changes in v3: -- move calling dp_display_irq_handler() to probe Signed-off-by: Kuogee Hsieh --- drivers/gpu/drm/msm/dp/dp_display.c | 35 +++++++++++++---------------------- drivers/gpu/drm/msm/dp/dp_display.h | 1 - 2 files changed, 13 insertions(+), 23 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 76f1395..c217430 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1193,30 +1193,23 @@ static irqreturn_t dp_display_irq_handler(int irq, void *dev_id) return ret; } -int dp_display_request_irq(struct msm_dp *dp_display) +static int dp_display_request_irq(struct dp_display_private *dp) { int rc = 0; - struct dp_display_private *dp; - - if (!dp_display) { - DRM_ERROR("invalid input\n"); - return -EINVAL; - } - - dp = container_of(dp_display, struct dp_display_private, dp_display); + struct device *dev = &dp->pdev->dev; - dp->irq = irq_of_parse_and_map(dp->pdev->dev.of_node, 0); if (!dp->irq) { - DRM_ERROR("failed to get irq\n"); - return -EINVAL; + dp->irq = platform_get_irq(dp->pdev, 0); + if (!dp->irq) { + DRM_ERROR("failed to get irq\n"); + return -EINVAL; + } } - rc = devm_request_irq(dp_display->drm_dev->dev, dp->irq, - dp_display_irq_handler, + rc = devm_request_irq(dev, dp->irq, dp_display_irq_handler, IRQF_TRIGGER_HIGH, "dp_display_isr", dp); if (rc < 0) { - DRM_ERROR("failed to request IRQ%u: %d\n", - dp->irq, rc); + DRM_ERROR("failed to request IRQ%u: %d\n", dp->irq, rc); return rc; } @@ -1287,6 +1280,10 @@ static int dp_display_probe(struct platform_device *pdev) platform_set_drvdata(pdev, &dp->dp_display); + rc = dp_display_request_irq(dp); + if (rc) + return rc; + rc = component_add(&pdev->dev, &dp_display_comp_ops); if (rc) { DRM_ERROR("component add failed, rc=%d\n", rc); @@ -1549,12 +1546,6 @@ int msm_dp_modeset_init(struct msm_dp *dp_display, struct drm_device *dev, dp_priv = container_of(dp_display, struct dp_display_private, dp_display); - ret = dp_display_request_irq(dp_display); - if (ret) { - DRM_ERROR("request_irq failed, ret=%d\n", ret); - return ret; - } - ret = dp_display_get_next_bridge(dp_display); if (ret) return ret; diff --git a/drivers/gpu/drm/msm/dp/dp_display.h b/drivers/gpu/drm/msm/dp/dp_display.h index 1e9415a..b3c08de 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.h +++ b/drivers/gpu/drm/msm/dp/dp_display.h @@ -35,7 +35,6 @@ struct msm_dp { int dp_display_set_plugged_cb(struct msm_dp *dp_display, hdmi_codec_plugged_cb fn, struct device *codec_dev); int dp_display_get_modes(struct msm_dp *dp_display); -int dp_display_request_irq(struct msm_dp *dp_display); bool dp_display_check_video_test(struct msm_dp *dp_display); int dp_display_get_test_bpp(struct msm_dp *dp_display); void dp_display_signal_audio_start(struct msm_dp *dp_display);