From patchwork Thu Apr 17 05:39:06 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ayushi Makhija X-Patchwork-Id: 882657 Received: from mx0a-0031df01.pphosted.com (mx0a-0031df01.pphosted.com [205.220.168.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 58EF02DFA2F; Thu, 17 Apr 2025 05:39:41 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.168.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744868383; cv=none; b=jGzRXyWoog8KosHGudvTaHvhAfUsI7Iay1DZCLrMPw9VpaKFbHlGoPmUr/YJqMH9H5HtW/Mwc7iFi5fyxW+CBKRvrtU2CJCYUMNMKjOAVCfG56Vw6g3OUa/rOfwcMVO++tysw41/6N2aLETxxOsRF8lynNk0V2g5ImdF02VcifY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744868383; c=relaxed/simple; bh=k3+BF96T26dnCWieaf0OUR2jWLqvhaiVE6YMD4TNfQQ=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=oftsqphbRK2EcjEPl5YYaexlbFD7mO4Jc9lDWiPrKj2WAXLOf3gnw90lnNfs/nINyW/07iaAW55mpaZIkud36hmuJcmQKKS4ZOsRSHykC4KGKwqKFtVKlswNcHMIA7qnu2H1WYfsnT9Bxs7+U3+L5zrDZOytomLJ7bwLNS6k0Vs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=qti.qualcomm.com; spf=pass smtp.mailfrom=qualcomm.com; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b=OcgQK3s9; arc=none smtp.client-ip=205.220.168.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=qti.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.b="OcgQK3s9" Received: from pps.filterd (m0279867.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 53GLBhsw024742; Thu, 17 Apr 2025 05:39:20 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:date:from:in-reply-to:message-id :mime-version:references:subject:to; s=qcppdkim1; bh=bxR3fiPpKxf 8BxrjcjK/6Zhysyf/HHTa7ecfheq1Etw=; b=OcgQK3s9CV8PLZzOZ3dlz1Ie7Yp 1Nz2BCvRQJXmulGZONda1M6TU+CynUoPVhwHNPBZpOOjhIjEMKl//yx+pREhQYd8 AzxQETeQgjbhqwmFWleuskb+mdRchTup6tj03/cIdx3zn5lI0253n3npwQ66Yymk h4BsVHRnaGNW+NV5kGrrsGFgKryd7nZtL7z9oo7Yj/c03biH+AJbROinq6mexPkC m29dSl9CR/coiM+Ra4eDA77W/XUV0bL9ZBi6KxW2wfaNTpg0l3pZ9pUyxhsbCtY6 xffnxQAovu0ah/Kas9U1qhk9kXglP1s+ZH33OziWYQ6kNVoaSbDJE0UTzUQ== Received: from apblrppmta02.qualcomm.com (blr-bdr-fw-01_GlobalNAT_AllZones-Outside.qualcomm.com [103.229.18.19]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 45ydvjdyq9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 17 Apr 2025 05:39:20 +0000 (GMT) Received: from pps.filterd (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (8.18.1.2/8.18.1.2) with ESMTP id 53H5dFjP023942; Thu, 17 Apr 2025 05:39:16 GMT Received: from pps.reinject (localhost [127.0.0.1]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 462f5dnuhh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 17 Apr 2025 05:39:16 +0000 Received: from APBLRPPMTA02.qualcomm.com (APBLRPPMTA02.qualcomm.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 53H5dEo2023908; Thu, 17 Apr 2025 05:39:16 GMT Received: from hu-devc-hyd-u22-c.qualcomm.com (hu-amakhija-hyd.qualcomm.com [10.213.99.91]) by APBLRPPMTA02.qualcomm.com (PPS) with ESMTPS id 53H5dFVo023989 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 17 Apr 2025 05:39:16 +0000 Received: by hu-devc-hyd-u22-c.qualcomm.com (Postfix, from userid 4090850) id C223F59D; Thu, 17 Apr 2025 11:09:13 +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@oss.qualcomm.com, 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 v4 08/11] drm/bridge: anx7625: enable HPD interrupts Date: Thu, 17 Apr 2025 11:09:06 +0530 Message-Id: <20250417053909.1051416-9-amakhija@qti.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250417053909.1051416-1-amakhija@qti.qualcomm.com> References: <20250417053909.1051416-1-amakhija@qti.qualcomm.com> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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=ZIrXmW7b c=1 sm=1 tr=0 ts=68009408 cx=c_pps a=Ou0eQOY4+eZoSc0qltEV5Q==:117 a=Ou0eQOY4+eZoSc0qltEV5Q==:17 a=XR8D0OoHHMoA:10 a=COk6AnOGAAAA:8 a=EUspDBNiAAAA:8 a=vM26emnricbxrc0035IA:9 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-GUID: Eld48ng67n10IOEsZj2ZC6yZbiPl4NSJ X-Proofpoint-ORIG-GUID: Eld48ng67n10IOEsZj2ZC6yZbiPl4NSJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-17_01,2025-04-15_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 bulkscore=0 phishscore=0 mlxlogscore=999 spamscore=0 impostorscore=0 malwarescore=0 mlxscore=0 lowpriorityscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504170042 From: Ayushi Makhija When the device enters the suspend state, it prevents HPD interrupts from occurring. To address this, implement .hpd_enable() and .hpd_disable() callbacks functions of the drm_bridge. Signed-off-by: Ayushi Makhija Reviewed-by: Dmitry Baryshkov --- 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 0b97b66de577..99ef3f27ae42 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,