From patchwork Wed Nov 29 17:46:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kuogee Hsieh X-Patchwork-Id: 13473294 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="A48yuMKu" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 98071CA; Wed, 29 Nov 2023 09:47:21 -0800 (PST) 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 3AT5tjUh011806; Wed, 29 Nov 2023 17:47:13 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=3zeh5R65RoEi6uPniKX/YoBeDqb1N7/IYh+LS+VqK0M=; b=A48yuMKukL7WrFA9Dh0zq6iQF9c5EsszapdZQPdGMyY8dDUFvNdHQajJ5hCs9tZ4ajR9 ucHoK2WDij2rO+eYH5PUwDLVw+OM31vZodzFNkX+vvmmZTwHW8BOzUR69VRcf9yxB/am Ihemk1QNUspUmEkRhELBksoaK1DgTn24YJI9oVuYpUZupYBqE1tUB+7v0cEdD+QSVpd3 nE3rdVbpRdUzN1E4S/FOUqPrTMnJp0xH/YHT1aXEg1gCq2q9Z1wR3t6XeIZzoB231j7J 7aH0WAlyvO4Xm3WW0y54f3WEvdTtdmoS5+21bLL66KN3bHR7+FLHAwfKkhmRGk2dcgMD rQ== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3unjdtksp0-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Nov 2023 17:47:13 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 3ATHlCpI023892 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Wed, 29 Nov 2023 17:47:12 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 15.2.1118.40; Wed, 29 Nov 2023 09:47:11 -0800 From: Kuogee Hsieh To: , , , , , , , , , , CC: Kuogee Hsieh , , , , , , , Subject: [PATCH v8 3/7] drm/msm/dp: use drm_bridge_hpd_notify() to report HPD status changes Date: Wed, 29 Nov 2023 09:46:46 -0800 Message-ID: <1701280010-32476-4-git-send-email-quic_khsieh@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1701280010-32476-1-git-send-email-quic_khsieh@quicinc.com> References: <1701280010-32476-1-git-send-email-quic_khsieh@quicinc.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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: OqjqexBULez5Y6nGE7C6OvR4eS1YW8bQ X-Proofpoint-ORIG-GUID: OqjqexBULez5Y6nGE7C6OvR4eS1YW8bQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.997,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-29_15,2023-11-29_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 lowpriorityscore=0 suspectscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 impostorscore=0 priorityscore=1501 clxscore=1015 malwarescore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311290135 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 56f8d91..c2e3247 100644 --- a/drivers/gpu/drm/msm/dp/dp_display.c +++ b/drivers/gpu/drm/msm/dp/dp_display.c @@ -340,26 +340,10 @@ static const struct component_ops dp_display_comp_ops = { .unbind = dp_display_unbind, }; -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) { @@ -373,7 +357,7 @@ 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; }