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[2620:137:e000::1:20]) by mx.google.com with ESMTP id h64-20020a636c43000000b0043447482f6fsi22799511pgc.0.2022.09.16.13.56.06; Fri, 16 Sep 2022 13:56:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=OGhnTcBe; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230084AbiIPULt (ORCPT + 99 others); Fri, 16 Sep 2022 16:11:49 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42050 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229906AbiIPULq (ORCPT ); Fri, 16 Sep 2022 16:11:46 -0400 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58D09A6C24; Fri, 16 Sep 2022 13:11:45 -0700 (PDT) Received: from pps.filterd (m0279863.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 28GG33s0008348; Fri, 16 Sep 2022 20:11:41 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : mime-version : content-type; s=qcppdkim1; bh=iJ6d2sn2MmcqIBgiHIMTwQGrs/VT3krEInF8FhIvbrc=; b=OGhnTcBeQ9BiUtBQSSX+Zy+dQu5U/NAxs0XvGYr4se4vyY2Dm+5F27J3IVVaaB66lqGg OvHU4dGwOB4BJAPQwZ0HZSf1yMc4z1W9NAeMjhcvzI8FW9VdjXNmexrCceQhROx7sn/B Tl36+qKcMzzT77456n48I0riaxMTyOuYIWQIElgxculeEq6D2/lTsa0nkY6Nzwgy36OY l2IXX41yv02kLDLJRI30wdT4iqVcfW/Sc4zdVymYE9fpZsUKF/L5Bd310LrgOoeQdhUX h/yhKAHThuaL+KslYyrZaB1KxxzE0C43s84s4CSuTq87cBXg3ybcod1fKN6Vfmkj/22n lA== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3jm8xmvyk8-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Sep 2022 20:11:40 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 28GK0YtX017184 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 16 Sep 2022 20:00:34 GMT Received: from core-thresher1.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.29; Fri, 16 Sep 2022 13:00:34 -0700 From: Bjorn Andersson To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov CC: Rob Herring , Krzysztof Kozlowski , Stephen Boyd , Kuogee Hsieh , Sankeerth Billakanti , , , , , Subject: [PATCH v2 0/7] drm/msm/dp: Support for external displays Date: Fri, 16 Sep 2022 13:00:21 -0700 Message-ID: <20220916200028.25009-1-quic_bjorande@quicinc.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: 3pS7xyhis5Id7ou13zdl1mLnmmaavbJZ X-Proofpoint-ORIG-GUID: 3pS7xyhis5Id7ou13zdl1mLnmmaavbJZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.528,FMLib:17.11.122.1 definitions=2022-09-16_12,2022-09-16_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 bulkscore=0 suspectscore=0 phishscore=0 malwarescore=0 lowpriorityscore=0 mlxlogscore=999 priorityscore=1501 clxscore=1015 impostorscore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2209130000 definitions=main-2209160144 X-Spam-Status: No, score=-2.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_LOW,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Introduce support for DisplayPort on SDM845 and SC8280XP, followed by introduction of drm_bridge based HPD handling. The version of these patches are restarted, as the previous drm_connector_oob_hotplug_event()-based approach was abandoned and this only barely resembles that effort. In this effort the HPD handling is based on the reliance of the hpd_notify() being invoked by a downstream (next_bridge) drm_bridge implementation, such as the standard display-connector, or a something like an USB Type-C controller implementation. Bjorn Andersson (7): dt-bindings: msm/dp: Add SDM845 and SC8280XP compatibles drm/msm/dp: Stop using DP id as index in desc drm/msm/dp: Add DP and EDP compatibles for SC8280XP drm/msm/dp: Add SDM845 DisplayPort instance drm/msm/dp: Implement hpd_notify() drm/msm/dp: Don't enable HPD interrupts for edp drm/msm/dp: HPD handling relates to next_bridge .../bindings/display/msm/dp-controller.yaml | 3 + drivers/gpu/drm/msm/dp/dp_display.c | 135 +++++++++++------- drivers/gpu/drm/msm/dp/dp_drm.c | 1 + drivers/gpu/drm/msm/dp/dp_drm.h | 2 + drivers/gpu/drm/msm/msm_drv.h | 1 + 5 files changed, 88 insertions(+), 54 deletions(-) -- 2.17.1