From nobody Mon Apr 6 22:00:24 2026 Received: from SJ2PR03CU001.outbound.protection.outlook.com (mail-westusazon11012062.outbound.protection.outlook.com [52.101.43.62]) (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 9F5EC3F23CC for ; Tue, 17 Mar 2026 16:47:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=52.101.43.62 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773766034; cv=fail; b=lHkaoY6x5Z8XIAM7xWRsSvAE0dLSHrurnF9/fovxpR/v7941OFFhLvXoD63nvuu9r2BUDDYAUCwZDrTN2UBZvT6GQuDJP0KCcGVyW7Ii1tKjOrzSdKpiJsT841ESDiPn5ZTaMF+Qt8q58OoiUMdUGJv2ZhMSLQt41PUhPlwEu5A= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773766034; c=relaxed/simple; bh=Z15Sd69hlb9CLZMF6AC22YaxyMdATKS7riOVCy8Rme4=; h=From:To:CC:Subject:Date:Message-ID:MIME-Version:Content-Type; b=nfarj83v0SHBw58YQlMPLaFIvUxfXBIrSf0M0Zc4Hfdz/5Fy05GUBUMJA2QUul/WUaoVMxnUvOOjl+aGIxJ1uGGJ+fQ66LNR9QFAdEIG97a27cQSAOhwrgskKfQVMCfHkdblbxpjp3dMi9HmLPdZ6EK4MvWp1s5TPRYtCPVhb8U= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com; spf=pass smtp.mailfrom=ti.com; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b=O80FgRha; arc=fail smtp.client-ip=52.101.43.62 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=ti.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ti.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="O80FgRha" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=LgehNWk00wfIRH2YCw52kY7dqaDhDbRyY6UQWMYJUzRXIVHPIexb9wpsoaBaqdw3OuwgpZUc3xThj34bH5sMEX/nTLUgw2hHWDaC9F+nh1v5J/lUG8vvHn4LHYrejU8FmjHdeuMm1qJDovw6gP7IMhUcfokynecGDeGNnLEnWGlJLe1jWjj5KTyIqoN0JPOuwkRdYkVNXLCoGdK3gvNJS/1OdaIn1o6UT0uvvK4PW1oMiyolfg9NHg12Q/ZQTtzdrbQVHUxMoqsgEqYkm1HpclczNRhdZKNtbFX/wTka9tEPeIgqM1Zpcf2LwCnlDeif0zmj+e5Bw1ULl9KCX3razw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=TWmpszXa155ygVTItWyZJ33GM3FoK+ABR1vYJIajLlA=; b=pcTeu/wcfet0o1/+deLgRCrQEIHOW7saAY4OoN2Tz4P/Gs3Gj1RgCAwl7zXCXvfT+I69SJiKE+Rt4BD3viZ+4VOl+o8JnILVHLCiihVHTIqg98LXnRvS0WdynEgN3AMpxhQE0n3mVc9cDoCNLiwh+STuxpTEWM/PVkaqgwoJe7TZdLZNzDjU/dzH3HIZUBWCowloDDkveNCTQLznsSihPUQy7B64FPCHNrjsyLBb235QziTvPZUy7dq9KxpU0hywpa5DNfHoEz0LTlD06PRwzqL96qAtGjXnHQhqpiX4Um4kyBMqjJ6PASteil1Sjg4qFbFCzdf4r9LSJFsY45xiWA== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 198.47.23.195) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=ti.com; dmarc=pass (p=quarantine sp=none pct=100) action=none header.from=ti.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=TWmpszXa155ygVTItWyZJ33GM3FoK+ABR1vYJIajLlA=; b=O80FgRhaJOs7/3uJV/IDh+/LEWXzdkHA3qzLbB68Tl4mDzA7OLD/tt9EksQXAg4dnbjlGYcxIi9vazFU+JJpTf3LW7FSCA6fIn3BoLN32+2sc/DqS9rX5LfRAkEkeDwxDLFHzZdQaoLv84jY8BAliS6we0POr8YYtWeBIb7zJeo= Received: from BY3PR10CA0017.namprd10.prod.outlook.com (2603:10b6:a03:255::22) by SA1PR10MB7634.namprd10.prod.outlook.com (2603:10b6:806:38a::17) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9723.19; Tue, 17 Mar 2026 16:45:45 +0000 Received: from SJ1PEPF00001CE3.namprd05.prod.outlook.com (2603:10b6:a03:255:cafe::37) by BY3PR10CA0017.outlook.office365.com (2603:10b6:a03:255::22) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.9700.25 via Frontend Transport; Tue, 17 Mar 2026 16:45:21 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 198.47.23.195) smtp.mailfrom=ti.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=ti.com; Received-SPF: Pass (protection.outlook.com: domain of ti.com designates 198.47.23.195 as permitted sender) receiver=protection.outlook.com; client-ip=198.47.23.195; helo=lewvzet201.ext.ti.com; pr=C Received: from lewvzet201.ext.ti.com (198.47.23.195) by SJ1PEPF00001CE3.mail.protection.outlook.com (10.167.242.11) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9700.17 via Frontend Transport; Tue, 17 Mar 2026 16:45:44 +0000 Received: from DLEE207.ent.ti.com (157.170.170.95) by lewvzet201.ext.ti.com (10.4.14.104) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 17 Mar 2026 11:45:39 -0500 Received: from DLEE215.ent.ti.com (157.170.170.118) by DLEE207.ent.ti.com (157.170.170.95) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20; Tue, 17 Mar 2026 11:45:38 -0500 Received: from lelvem-mr05.itg.ti.com (10.180.75.9) by DLEE215.ent.ti.com (157.170.170.118) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.2562.20 via Frontend Transport; Tue, 17 Mar 2026 11:45:38 -0500 Received: from localhost (mz02jj9v.dhcp.ti.com [128.247.81.246]) by lelvem-mr05.itg.ti.com (8.18.1/8.18.1) with ESMTP id 62HGjcOa3511978; Tue, 17 Mar 2026 11:45:38 -0500 From: Sen Wang To: , , CC: , , , , , , , , , , Sen Wang Subject: [PATCH] drm/bridge: ite-it66121: Convert to DRM HDMI Audio Helper Date: Tue, 17 Mar 2026 11:45:38 -0500 Message-ID: <20260317164538.1790079-1-sen@ti.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ1PEPF00001CE3:EE_|SA1PR10MB7634:EE_ X-MS-Office365-Filtering-Correlation-Id: 1ece6bc6-76c3-4e6f-decc-08de8444a26b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700016|7416014|376014|1800799024|82310400026|18002099003|56012099003; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:198.47.23.195;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet201.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700016)(7416014)(376014)(1800799024)(82310400026)(18002099003)(56012099003);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: IoFysaxaGD9rgu4eAgit1CRIAp745TosPyQzR8wa6bO6m8mDzPONp6bDq5MUiYD5cEWFsbEpkLzA/Nlv6VA2qwWVuUfda7lNfGP/W0ooeMcbipp0aI5CrsZcJKuYsdio2j2OrrRytrFNeyZUK70W+Qh3O887zkXL7c9XxF+tF7p9CLccugjtolEb6koTbCp8spZ83OaKNiGhy9RSHXIYbGIClV5AWN4xNs+6huu1OFbBR0lTXxUlpRwKNIZbxbVrDbeqYuzQ6Y9xuvxL3dIZ/n5VCkghBiXcRkKOSu+htTxNRJlA+vtFwDV+nGfPlcwL3FhKoskkfXr2I3rwrecqHXk7LKuGOPmygPsAe0eqnbiljENuStoHlBqTOR88z3lfPy2ry72l/5g4+QFqvMg8ibeYPkBpw4zIjJQlwoqLtGVk7qVhp2WVsdWwYUukyi1q X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Mar 2026 16:45:44.9457 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 1ece6bc6-76c3-4e6f-decc-08de8444a26b X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.195];Helo=[lewvzet201.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SJ1PEPF00001CE3.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA1PR10MB7634 Content-Type: text/plain; charset="utf-8" Convert the IT66121 HDMI bridge driver from manually registering an hdmi-codec platform device to using the DRM HDMI Audio Helper framework via DRM_BRIDGE_OP_HDMI_AUDIO instead. The previous implementation manually allocated hdmi_codec_pdata, registered the platform device, and implemented hdmi_codec_ops callbacks including get_eld. The new approach sets DRM_BRIDGE_OP_HDMI_AUDIO on the bridge, letting the framework handle the codec registration. This also resolves some non-compliance issues with the current audio implementation, such as HDMI audio advertising a non-functional capture stream to userspace. The audio callbacks are converted from hdmi_codec_ops signatures to drm_bridge_funcs hdmi_audio callbacks: - it66121_audio_hw_params -> it66121_hdmi_audio_prepare - it66121_audio_startup -> it66121_hdmi_audio_startup - it66121_audio_shutdown -> it66121_hdmi_audio_shutdown - it66121_audio_mute -> it66121_hdmi_audio_mute_stream The it66121_audio_get_eld, it66121_audio_codec_ops, and it66121_audio_codec_init functions are removed as the framework handles these responsibilities. Suggested-by: Dmitry Baryshkov Signed-off-by: Sen Wang --- Tested in beagleplay ensuring HDMI/ HDMI audio works correctly with the new implementation, including proper ELD data and audio. drivers/gpu/drm/bridge/ite-it66121.c | 135 +++++++++------------------ 1 file changed, 45 insertions(+), 90 deletions(-) diff --git a/drivers/gpu/drm/bridge/ite-it66121.c b/drivers/gpu/drm/bridge/= ite-it66121.c index 9246e9c15a6e..6ac90315b822 100644 --- a/drivers/gpu/drm/bridge/ite-it66121.c +++ b/drivers/gpu/drm/bridge/ite-it66121.c @@ -306,7 +306,6 @@ struct it66121_ctx { struct mutex lock; /* Protects fields below and device registers */ struct hdmi_avi_infoframe hdmi_avi_infoframe; struct { - struct platform_device *pdev; u8 ch_enable; u8 fs; u8 swl; @@ -902,24 +901,6 @@ static const struct drm_edid *it66121_bridge_edid_read= (struct drm_bridge *bridge return drm_edid; } =20 -static const struct drm_bridge_funcs it66121_bridge_funcs =3D { - .atomic_duplicate_state =3D drm_atomic_helper_bridge_duplicate_state, - .atomic_destroy_state =3D drm_atomic_helper_bridge_destroy_state, - .atomic_reset =3D drm_atomic_helper_bridge_reset, - .attach =3D it66121_bridge_attach, - .atomic_get_output_bus_fmts =3D it66121_bridge_atomic_get_output_bus_fmts, - .atomic_get_input_bus_fmts =3D it66121_bridge_atomic_get_input_bus_fmts, - .atomic_enable =3D it66121_bridge_enable, - .atomic_disable =3D it66121_bridge_disable, - .atomic_check =3D it66121_bridge_check, - .mode_set =3D it66121_bridge_mode_set, - .mode_valid =3D it66121_bridge_mode_valid, - .detect =3D it66121_bridge_detect, - .edid_read =3D it66121_bridge_edid_read, - .hpd_enable =3D it66121_bridge_hpd_enable, - .hpd_disable =3D it66121_bridge_hpd_disable, -}; - static irqreturn_t it66121_irq_threaded_handler(int irq, void *dev_id) { int ret; @@ -1225,14 +1206,16 @@ static int it661221_audio_ch_enable(struct it66121_= ctx *ctx, bool enable) return ret; } =20 -static int it66121_audio_hw_params(struct device *dev, void *data, - struct hdmi_codec_daifmt *daifmt, - struct hdmi_codec_params *params) +static int it66121_hdmi_audio_prepare(struct drm_bridge *bridge, + struct drm_connector *connector, + struct hdmi_codec_daifmt *daifmt, + struct hdmi_codec_params *params) { u8 fs; u8 swl; int ret; - struct it66121_ctx *ctx =3D dev_get_drvdata(dev); + struct it66121_ctx *ctx =3D container_of(bridge, struct it66121_ctx, brid= ge); + struct device *dev =3D ctx->dev; static u8 iec60958_chstat[5]; unsigned int channels =3D params->channels; unsigned int sample_rate =3D params->sample_rate; @@ -1379,41 +1362,44 @@ static int it66121_audio_hw_params(struct device *d= ev, void *data, return ret; } =20 -static int it66121_audio_startup(struct device *dev, void *data) +static int it66121_hdmi_audio_startup(struct drm_bridge *bridge, + struct drm_connector *connector) { int ret; - struct it66121_ctx *ctx =3D dev_get_drvdata(dev); + struct it66121_ctx *ctx =3D container_of(bridge, struct it66121_ctx, brid= ge); =20 mutex_lock(&ctx->lock); ret =3D it661221_audio_output_enable(ctx, true); if (ret) - dev_err(dev, "Failed to enable audio output: %d\n", ret); + dev_err(ctx->dev, "Failed to enable audio output: %d\n", ret); =20 mutex_unlock(&ctx->lock); =20 return ret; } =20 -static void it66121_audio_shutdown(struct device *dev, void *data) +static void it66121_hdmi_audio_shutdown(struct drm_bridge *bridge, + struct drm_connector *connector) { int ret; - struct it66121_ctx *ctx =3D dev_get_drvdata(dev); + struct it66121_ctx *ctx =3D container_of(bridge, struct it66121_ctx, brid= ge); =20 mutex_lock(&ctx->lock); ret =3D it661221_audio_output_enable(ctx, false); if (ret) - dev_err(dev, "Failed to disable audio output: %d\n", ret); + dev_err(ctx->dev, "Failed to disable audio output: %d\n", ret); =20 mutex_unlock(&ctx->lock); } =20 -static int it66121_audio_mute(struct device *dev, void *data, - bool enable, int direction) +static int it66121_hdmi_audio_mute_stream(struct drm_bridge *bridge, + struct drm_connector *connector, + bool enable, int direction) { int ret; - struct it66121_ctx *ctx =3D dev_get_drvdata(dev); + struct it66121_ctx *ctx =3D container_of(bridge, struct it66121_ctx, brid= ge); =20 - dev_dbg(dev, "%s: enable=3D%s, direction=3D%d\n", + dev_dbg(ctx->dev, "%s: enable=3D%s, direction=3D%d\n", __func__, enable ? "true" : "false", direction); =20 mutex_lock(&ctx->lock); @@ -1436,64 +1422,28 @@ static int it66121_audio_mute(struct device *dev, v= oid *data, return ret; } =20 -static int it66121_audio_get_eld(struct device *dev, void *data, - u8 *buf, size_t len) -{ - struct it66121_ctx *ctx =3D dev_get_drvdata(dev); - - mutex_lock(&ctx->lock); - if (!ctx->connector) { - /* Pass en empty ELD if connector not available */ - dev_dbg(dev, "No connector present, passing empty EDID data"); - memset(buf, 0, len); - } else { - mutex_lock(&ctx->connector->eld_mutex); - memcpy(buf, ctx->connector->eld, - min(sizeof(ctx->connector->eld), len)); - mutex_unlock(&ctx->connector->eld_mutex); - } - mutex_unlock(&ctx->lock); - - return 0; -} - -static const struct hdmi_codec_ops it66121_audio_codec_ops =3D { - .hw_params =3D it66121_audio_hw_params, - .audio_startup =3D it66121_audio_startup, - .audio_shutdown =3D it66121_audio_shutdown, - .mute_stream =3D it66121_audio_mute, - .get_eld =3D it66121_audio_get_eld, +static const struct drm_bridge_funcs it66121_bridge_funcs =3D { + .atomic_duplicate_state =3D drm_atomic_helper_bridge_duplicate_state, + .atomic_destroy_state =3D drm_atomic_helper_bridge_destroy_state, + .atomic_reset =3D drm_atomic_helper_bridge_reset, + .attach =3D it66121_bridge_attach, + .atomic_get_output_bus_fmts =3D it66121_bridge_atomic_get_output_bus_fmts, + .atomic_get_input_bus_fmts =3D it66121_bridge_atomic_get_input_bus_fmts, + .atomic_enable =3D it66121_bridge_enable, + .atomic_disable =3D it66121_bridge_disable, + .atomic_check =3D it66121_bridge_check, + .mode_set =3D it66121_bridge_mode_set, + .mode_valid =3D it66121_bridge_mode_valid, + .detect =3D it66121_bridge_detect, + .edid_read =3D it66121_bridge_edid_read, + .hpd_enable =3D it66121_bridge_hpd_enable, + .hpd_disable =3D it66121_bridge_hpd_disable, + .hdmi_audio_startup =3D it66121_hdmi_audio_startup, + .hdmi_audio_prepare =3D it66121_hdmi_audio_prepare, + .hdmi_audio_shutdown =3D it66121_hdmi_audio_shutdown, + .hdmi_audio_mute_stream =3D it66121_hdmi_audio_mute_stream, }; =20 -static int it66121_audio_codec_init(struct it66121_ctx *ctx, struct device= *dev) -{ - struct hdmi_codec_pdata codec_data =3D { - .ops =3D &it66121_audio_codec_ops, - .i2s =3D 1, /* Only i2s support for now */ - .spdif =3D 0, - .max_i2s_channels =3D 8, - .no_capture_mute =3D 1, - }; - - if (!of_property_present(dev->of_node, "#sound-dai-cells")) { - dev_info(dev, "No \"#sound-dai-cells\", no audio\n"); - return 0; - } - - ctx->audio.pdev =3D platform_device_register_data(dev, - HDMI_CODEC_DRV_NAME, - PLATFORM_DEVID_AUTO, - &codec_data, - sizeof(codec_data)); - - if (IS_ERR(ctx->audio.pdev)) { - dev_err(dev, "Failed to initialize HDMI audio codec: %d\n", - PTR_ERR_OR_ZERO(ctx->audio.pdev)); - } - - return PTR_ERR_OR_ZERO(ctx->audio.pdev); -} - static const char * const it66121_supplies[] =3D { "vcn33", "vcn18", "vrf12" }; @@ -1602,7 +1552,12 @@ static int it66121_probe(struct i2c_client *client) } } =20 - it66121_audio_codec_init(ctx, dev); + if (of_property_present(dev->of_node, "#sound-dai-cells")) { + ctx->bridge.ops |=3D DRM_BRIDGE_OP_HDMI_AUDIO; + ctx->bridge.hdmi_audio_dev =3D dev; + ctx->bridge.hdmi_audio_max_i2s_playback_channels =3D 8; + ctx->bridge.hdmi_audio_dai_port =3D -1; + } =20 drm_bridge_add(&ctx->bridge); =20 --=20 2.43.0