From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (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 DCA0E4FD269 for ; Thu, 1 Oct 2026 12:43:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790858586; cv=none; b=BP9MmvVLDJ2jGc24olYeGhT/DzpCq8Msmwyg7Wm2wzYielcgQYIKfxONf0DjmMFWkMiSgj7AUko93cF6XntJpej3NpyYLbOgopkOxJWjPtAkDryLkbfjc+zpEmUltTGkQXsmF5+VyBOwtoffyczQXuR3Jm2tccWEOWVoVudirdw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790858586; c=relaxed/simple; bh=KF/Qu/0gsfa33ntx/RWczeDGw4/dEfXenXdAb2o5o1s=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=p5Zv3SjdWJMhMFiHoNCooYy/lizBJJTIviNqo8Jx0UWJ/gZSZ6rOlGRMoLfeZ53f9IMir/JspRFsA4oq2z5PDrY0/2hzXURBChnybOn2vsTGCKr2lnSQr/KJxYt63YYJBUgN+GO344s7dHnBBAjSFdv6rW0LyJHyzH1eWk5L6bA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=YAuT9Wp3; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="YAuT9Wp3" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 435B91A18DE; Thu, 1 Oct 2026 12:43:03 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 083E260341; Thu, 1 Oct 2026 12:43:03 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 5930710328112; Thu, 1 Oct 2026 14:42:53 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1790858577; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=i5Z3bJt46CPEmDU7cFKYbz4SNeEy4GjbkdDR4/WWzvg=; b=YAuT9Wp3cfXOBkE+gTazN0+HCqHYvNj2scp5Mul69TeqDXSt7EUg+E/OGZb88mzr/F3nF2 RLxKzWvEeJKoa4I3gbW+Mdx4DqO6Vp22k07NmAoG1RqN7IsqcI+IoxJUXj4Y9+oHekgAC1 E/KnqnnMcU7t/+8R5mSivpg79K/0xFa/2Eu2tVYrYBT9q56wD7KlRVME/VVAiU9N4iRBKp J9SfTAf/ir/6dKiB4myDV4FUgatnn5HsMUDrZdnXwn0IU+DxsfbkBuAe6iH4viAJ9kwA5E esPdi5rOhd0hkGJp0SXTgDVkdtKxfkpnPDsd8zdySSQtu4yZlM6/mD8UO/3aDQ== From: Luca Ceresoli Date: Thu, 01 Oct 2026 14:42:24 +0200 Subject: [PATCH RFC v2 02/24] drm/connector: add drm_connector_hdmi_dynamic_init() Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261001-drm-bridge-hotplug-v2-2-8e34986dcb68@bootlin.com> References: <20261001-drm-bridge-hotplug-v2-0-8e34986dcb68@bootlin.com> In-Reply-To: <20261001-drm-bridge-hotplug-v2-0-8e34986dcb68@bootlin.com> To: Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Inki Dae , Jagan Teki , Marek Szyprowski , Jessica Zhang , Douglas Anderson , Marek Vasut , Stefan Agner , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Hui Pu , Ian Ray , Luca Ceresoli , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org X-Mailer: b4 0.16.0 X-Last-TLS-Session-Version: TLSv1.3 In preparation for adding hotpluggable bridges into the drm_bridge_connector, we need connectors to be created dynamically, both regular connectors and HDMI ones. drm_connector_init() already has a dynamic variant, add one for HDMI connectors too. Signed-off-by: Luca Ceresoli --- Changes in v2: - rebased on current drm-misc-next: now drm_connector_hdmi_init() can fail, so call drm_connector_cleanup(connector) if that happens --- drivers/gpu/drm/drm_connector.c | 42 +++++++++++++++++++++++++++++++++++++++++ include/drm/drm_connector.h | 6 ++++++ 2 files changed, 48 insertions(+) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index f5bd08640d25..f264cab0d184 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -708,6 +708,48 @@ int drmm_connector_hdmi_init(struct drm_device *dev, } EXPORT_SYMBOL(drmm_connector_hdmi_init); +/** + * drmm_connector_hdmi_init - Init a preallocated dynamic HDMI connector + * @dev: DRM device + * @connector: A pointer to the HDMI connector to init + * @funcs: callbacks for this connector + * @hdmi_funcs: HDMI-related callbacks and capabilities for this connector + * @connector_type: user visible type of the connector + * @ddc: optional pointer to the associated ddc adapter + * + * Initialises a preallocated dynamic HDMI connector. Connectors can be + * subclassed as part of driver connector objects. + * + * See drm_connector_dynamic_init(), the same constraints apply here. This + * is just the HDMI version. + * + * Returns: + * Zero on success, error code on failure. + */ +int drm_connector_hdmi_dynamic_init(struct drm_device *dev, + struct drm_connector *connector, + const struct drm_connector_funcs *funcs, + const struct drm_connector_hdmi_funcs *hdmi_funcs, + int connector_type, + struct i2c_adapter *ddc) +{ + int ret; + + ret = drm_connector_hdmi_sanity_checks(dev, connector, hdmi_funcs, connector_type); + if (ret) + return ret; + + ret = drm_connector_dynamic_init(dev, connector, funcs, connector_type, ddc); + if (ret) + return ret; + + if (ret) + drm_connector_cleanup(connector); + + return drm_connector_hdmi_initialize(dev, connector, hdmi_funcs); +} +EXPORT_SYMBOL(drm_connector_hdmi_dynamic_init); + /** * drmm_connector_hdmi_ini2 - Init a preallocated HDMI connector * @dev: DRM device diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 2ee7c59329aa..48bbbc365c93 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -2743,6 +2743,12 @@ int drmm_connector_hdmi_init(struct drm_device *dev, const struct drm_connector_hdmi_funcs *hdmi_funcs, int connector_type, struct i2c_adapter *ddc); +int drm_connector_hdmi_dynamic_init(struct drm_device *dev, + struct drm_connector *connector, + const struct drm_connector_funcs *funcs, + const struct drm_connector_hdmi_funcs *hdmi_funcs, + int connector_type, + struct i2c_adapter *ddc); int drmm_connector_hdmi_ini2(struct drm_device *dev, struct drm_connector *connector, const char *vendor, const char *product, -- 2.55.0