From patchwork Tue Mar 11 12:24:43 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ayushi Makhija X-Patchwork-Id: 14011742 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id EA897C28B30 for ; Tue, 11 Mar 2025 12:25:22 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 228B110E5A0; Tue, 11 Mar 2025 12:25:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=quicinc.com header.i=@quicinc.com header.b="KqurKvDn"; dkim-atps=neutral Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by gabe.freedesktop.org (Postfix) with ESMTPS id 13E0010E590; Tue, 11 Mar 2025 12:25:09 +0000 (UTC) Received: from pps.filterd (m0279872.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 52B788xm025707; Tue, 11 Mar 2025 12:24:54 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=7vO1zj9243V DFKPl+EczkH6UuMTuusrCQZF2/BEqPGw=; b=KqurKvDnI6yimzkNmDK2EwKv+mE ureQNGniwdObwsAgTEgYSAdTZZ5uQ/n2MiDUrO5q6hEU40avvCCcGPLlQ3kqL+4G LdUwLAMugR1R6gowm2WZVxiCx2LN84+foVuGB5BLcJEFvMAhodjgrbMezUiv5nGa x85wuFc2zHGHqQ/BcXCkrIavv+KmkXG1CCYn6UynS4wvVlqyBQnp2mM6rQ3CSmUD BKwMfmpE7a8U9q7P1Bh//Z2Ms+koUMpSykjIRZq7BYIO54rTIgcDs/J4YwQUBUJA DpqabzQ2YFHE7+67YgmsxOneafoQe4GmJP0yDa5eHyndNgbQl9XF1LWsW0g== Received: from apblrppmta01.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 458ewk8ha7-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Mar 2025 12:24:54 +0000 (GMT) Received: from pps.filterd (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTP id 52BCOoan008160; Tue, 11 Mar 2025 12:24:51 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 458yn373ws-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Mar 2025 12:24:51 +0000 Received: from APBLRPPMTA01.qualcomm.com (APBLRPPMTA01.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 52BCOnxf008073; Tue, 11 Mar 2025 12:24:50 GMT Received: from hu-devc-hyd-u22-c.qualcomm.com (hu-amakhija-hyd.qualcomm.com [10.213.99.91]) by APBLRPPMTA01.qualcomm.com (PPS) with ESMTPS id 52BCOnVr008133 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 11 Mar 2025 12:24:50 +0000 Received: by hu-devc-hyd-u22-c.qualcomm.com (Postfix, from userid 4090850) id 477C259C; Tue, 11 Mar 2025 17:54:48 +0530 (+0530) From: Ayushi Makhija To: linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Ayushi Makhija , robdclark@gmail.com, dmitry.baryshkov@linaro.org, sean@poorly.run, marijn.suijten@somainline.org, andersson@kernel.org, robh@kernel.org, robh+dt@kernel.org, krzk+dt@kernel.org, konradybcio@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, quic_abhinavk@quicinc.com, quic_rajeevny@quicinc.com, quic_vproddut@quicinc.com, quic_jesszhan@quicinc.com Subject: [PATCH v2 08/10] drm/bridge: anx7625: enable HPD interrupts Date: Tue, 11 Mar 2025 17:54:43 +0530 Message-Id: <20250311122445.3597100-9-quic_amakhija@quicinc.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250311122445.3597100-1-quic_amakhija@quicinc.com> References: <20250311122445.3597100-1-quic_amakhija@quicinc.com> MIME-Version: 1.0 X-QCInternal: smtphost X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Authority-Analysis: v=2.4 cv=Tr8chCXh c=1 sm=1 tr=0 ts=67d02b96 cx=c_pps a=Ou0eQOY4+eZoSc0qltEV5Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=Vs1iUdzkB0EA:10 a=COk6AnOGAAAA:8 a=GmOFy1Aw2oJkk_gCVS4A:9 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: ST5fwxtPr4yURegmJHnlq1JT1vYHFe-K X-Proofpoint-ORIG-GUID: ST5fwxtPr4yURegmJHnlq1JT1vYHFe-K X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1093,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-03-11_02,2025-03-11_02,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 priorityscore=1501 mlxlogscore=999 spamscore=0 lowpriorityscore=0 mlxscore=0 clxscore=1015 phishscore=0 malwarescore=0 impostorscore=0 bulkscore=0 adultscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502100000 definitions=main-2503110080 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" When device enters the suspend state, it prevents HPD interrupts from occurring. To address this, add an additional PM runtime vote in hpd_enable(). This vote is removed in hpd_disable(). Signed-off-by: Ayushi Makhija --- drivers/gpu/drm/bridge/analogix/anx7625.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c index 4be34d5c7a3b..764da1c1dc11 100644 --- a/drivers/gpu/drm/bridge/analogix/anx7625.c +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c @@ -2474,6 +2474,22 @@ static const struct drm_edid *anx7625_bridge_edid_read(struct drm_bridge *bridge return anx7625_edid_read(ctx); } +static void anx7625_bridge_hpd_enable(struct drm_bridge *bridge) +{ + struct anx7625_data *ctx = bridge_to_anx7625(bridge); + struct device *dev = ctx->dev; + + pm_runtime_get_sync(dev); +} + +static void anx7625_bridge_hpd_disable(struct drm_bridge *bridge) +{ + struct anx7625_data *ctx = bridge_to_anx7625(bridge); + struct device *dev = ctx->dev; + + pm_runtime_put_sync(dev); +} + static const struct drm_bridge_funcs anx7625_bridge_funcs = { .attach = anx7625_bridge_attach, .detach = anx7625_bridge_detach, @@ -2487,6 +2503,8 @@ static const struct drm_bridge_funcs anx7625_bridge_funcs = { .atomic_reset = drm_atomic_helper_bridge_reset, .detect = anx7625_bridge_detect, .edid_read = anx7625_bridge_edid_read, + .hpd_enable = anx7625_bridge_hpd_enable, + .hpd_disable = anx7625_bridge_hpd_disable, }; static int anx7625_register_i2c_dummy_clients(struct anx7625_data *ctx,