From patchwork Fri Sep 15 21:38:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 723232 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 5D7B2CD37B1 for ; Fri, 15 Sep 2023 21:39:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237845AbjIOVjW (ORCPT ); Fri, 15 Sep 2023 17:39:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45750 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237854AbjIOVjG (ORCPT ); Fri, 15 Sep 2023 17:39:06 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1079B8; Fri, 15 Sep 2023 14:39:01 -0700 (PDT) Received: from pps.filterd (m0279864.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38FKfqP7029458; Fri, 15 Sep 2023 21:38:42 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=Zy5mluxT6yrUoI+hSAeHWvE0fMAoRCVNMZk2k+w9SBE=; b=BQTV62v0c0P98vjO0n9W/BRYJJ2AgzwsRMvmINaXtndW2zz3KDHsWBBpb2tOb5eFpVak OofxaEgZmeCeLIAmxpgbFJuqPUlOj0La/KV3Iab3DyC/A4UK33XL/xl3HUF+JIZXPcqf 6chKgfe6nUMLojI9dtGFV0f+UqtKOMgGxSa5RmiIIgGaCYLKUUbpRajh/Deub9zbq6mu 9AaphvwcdMNW1IUtxyYIKiAhk20s9jvo7KLXM80F376EC2vBSLxN8OD5ZJEA2qNnAHfn PkVIpLoVVkfTwpfEspKMKmSQ13zrcRzV1Zyw/qSb7kgNs/dtn04d+dGPdh+25hpqaTvP gw== Received: from nalasppmta05.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3t4g2xjaj1-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 21:38:42 +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 38FLcf7a014512 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 15 Sep 2023 21:38:41 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 14:38:40 -0700 From: Kuogee Hsieh To: , , , , , , , , , , CC: Kuogee Hsieh , , , , , , , Subject: [PATCH v3 3/7] drm/msm/dp: use drm_bridge_hpd_notify() to report HPD status changes Date: Fri, 15 Sep 2023 14:38:17 -0700 Message-ID: <1694813901-26952-4-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-GUID: VaSfYQWbPA2u2XRybkyE310bkCr842Do X-Proofpoint-ORIG-GUID: VaSfYQWbPA2u2XRybkyE310bkCr842Do 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_18,2023-09-15_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 phishscore=0 impostorscore=0 adultscore=0 mlxlogscore=999 bulkscore=0 mlxscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 malwarescore=0 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 DP driver use drm_helper_hpd_irq_event(), bypassing drm bridge framework, to report HPD status changes to user space frame work. Replace it with drm_bridge_hpd_notify() since DP driver is part of drm bridge. Signed-off-by: Kuogee Hsieh Reviewed-by: Dmitry Baryshkov --- drivers/gpu/drm/msm/dp/dp_display.c | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) diff --git a/drivers/gpu/drm/msm/dp/dp_display.c b/drivers/gpu/drm/msm/dp/dp_display.c index 18d16c7..59f9d85 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -356,26 +356,10 @@ static bool dp_display_is_sink_count_zero(struct dp_display_private *dp) (dp->link->sink_count == 0); } -static void dp_display_send_hpd_event(struct msm_dp *dp_display) -{ - struct dp_display_private *dp; - struct drm_connector *connector; - - dp = container_of(dp_display, struct dp_display_private, dp_display); - - connector = dp->dp_display.connector; - drm_helper_hpd_irq_event(connector->dev); -} - static int dp_display_send_hpd_notification(struct dp_display_private *dp, bool hpd) { - if ((hpd && dp->dp_display.link_ready) || - (!hpd && !dp->dp_display.link_ready)) { - drm_dbg_dp(dp->drm_dev, "HPD already %s\n", - (hpd ? "on" : "off")); - return 0; - } + struct drm_bridge *bridge = dp->dp_display.bridge; /* reset video pattern flag on disconnect */ if (!hpd) @@ -385,7 +369,7 @@ static int dp_display_send_hpd_notification(struct dp_display_private *dp, drm_dbg_dp(dp->drm_dev, "type=%d hpd=%d\n", dp->dp_display.connector_type, hpd); - dp_display_send_hpd_event(&dp->dp_display); + drm_bridge_hpd_notify(bridge, dp->dp_display.link_ready); return 0; }