From patchwork Tue May 23 19:39:13 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 686078 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 6F08FC77B75 for ; Tue, 23 May 2023 19:40:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238158AbjEWTkI (ORCPT ); Tue, 23 May 2023 15:40:08 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45972 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238557AbjEWTkE (ORCPT ); Tue, 23 May 2023 15:40:04 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 562EE196; Tue, 23 May 2023 12:39:53 -0700 (PDT) Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 34NFT4au026279; Tue, 23 May 2023 19:39:32 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=AhGAu/aDgBwdaSSjHCNw06BegN4W2KQlbT15Y/fm/zw=; b=I3uAQfy8SIHcpaJol2/H/8axZWbzRn9091/BNf0tQ16nGx55ZN5Z6ppPxRReGXUkjEj/ wsnNGsKUaN3Od11fxW8ZM/hOx/GFWZxhIE9MM47MXGzlG3Ret4rLbeiJFJonM1HcKraO T28+QQoqamc0EZ0PG8D8/Kh0XL6y3lUW4cQExZL2geI+S6hu4DIaGV2yVafZyTBoquwD r7rM8XCWoOnUIm7lZDZ/ZrnHNwfRWDypeIc+lSGx99xugq8KS3s6VhuPcNSUiZv1SBMr JtMReC08flsGCfTq5+yg5MXiDkn0+8MHbUNd2qnO7Np6yOigJYsSkjslZJ26BYvD66Jk zA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3qs05s8ne8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 May 2023 19:39:31 +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 34NJdUWk014786 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 23 May 2023 19:39:30 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 15.2.986.42; Tue, 23 May 2023 12:39:29 -0700 From: Kuogee Hsieh To: , , , , , , , , , , CC: Kuogee Hsieh , , , , , , , , Subject: [PATCH v5 1/2] drm/msm/dp: no need to disable irq after devm_request_irq() Date: Tue, 23 May 2023 12:39:13 -0700 Message-ID: <1684870754-24906-2-git-send-email-quic_khsieh@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1684870754-24906-1-git-send-email-quic_khsieh@quicinc.com> References: <1684870754-24906-1-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-GUID: fh_W6X-a70SHiIbGVhlhRY6Jw0A9stsw X-Proofpoint-ORIG-GUID: fh_W6X-a70SHiIbGVhlhRY6Jw0A9stsw X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-05-23_12,2023-05-23_02,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 mlxscore=0 phishscore=0 clxscore=1015 bulkscore=0 mlxlogscore=999 priorityscore=1501 spamscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2305230159 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org devm_request_irq() will allocate irq and return with irq enabled. At current implementation irq are specified disabled after return from devm_request_irq() and re enabled later. It is redundant. Fixes: 8ede2ecc3e5e ("drm/msm/dp: Add DP compliance tests on Snapdragon Chipsets") Signed-off-by: Kuogee Hsieh --- drivers/gpu/drm/msm/dp/dp_display.c | 9 --------- 1 file changed, 9 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 3e13acdf..1af49b6 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -1094,12 +1094,6 @@ static void dp_display_config_hpd(struct dp_display_private *dp) DP_DP_HPD_PLUG_INT_MASK | DP_DP_HPD_UNPLUG_INT_MASK, true); - - /* Enable interrupt first time - * we are leaving dp clocks on during disconnect - * and never disable interrupt - */ - enable_irq(dp->irq); } void dp_display_set_psr(struct msm_dp *dp_display, bool enter) @@ -1282,7 +1276,6 @@ int dp_display_request_irq(struct msm_dp *dp_display) dp->irq, rc); return rc; } - disable_irq(dp->irq); return 0; } @@ -1570,7 +1563,6 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) dp_display_host_init(dp_priv); dp_catalog_ctrl_hpd_config(dp_priv->catalog); dp_display_host_phy_init(dp_priv); - enable_irq(dp_priv->irq); /* * The code below assumes that the panel will finish probing @@ -1612,7 +1604,6 @@ static int dp_display_get_next_bridge(struct msm_dp *dp) error: if (dp->is_edp) { - disable_irq(dp_priv->irq); dp_display_host_phy_exit(dp_priv); dp_display_host_deinit(dp_priv); }