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 DA5B5370ADA for ; Tue, 19 May 2026 10:38:15 +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=1779187097; cv=none; b=TSGMj3S2D6wXEnnE3iIEME/jRzWKAgDb414IALImJa7aTlc1M8c4i7EFlC7uqiQHOSxh/iu5kXT3K7LC9ovHawbhF6ZOHnOnE8sAynVUDN0FZtN2NRf07LuSQcpBGASVCsQ6/wUO3rDmXBXeGwSlteSFj7vXhyf8uF2trDR/Eac= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1779187097; c=relaxed/simple; bh=vL3kR1hNzeRzmT9cU7GZ5YnpAuR7rIDhz0VHkNANYyM=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=YZeL77nUxmXDLvlzmo9X6jSq3/MlqLUmHJhduSo1NWGmi0k8+ki/3W0MTS4Oj+Ra2Ac9B+mkCV0GNGi+r+l7Sizet44JpWHA8bDRYzRbkj28wItDsEF3bhnXiaP26OAmbR4U4mAMJKN0cggpj7c7jbFSMOR2/dwQMDADATk3AzY= 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=wfRUbZv9; 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="wfRUbZv9" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 903D91A3627; Tue, 19 May 2026 10:38:14 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 62F5B606E9; Tue, 19 May 2026 10:38:14 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id DF45B107E8AB2; Tue, 19 May 2026 12:38:08 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1779187092; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=9aDTr9w2iMM3B9icFD9CXFezhKLvHw/SAcu5pC+lah0=; b=wfRUbZv9vuadgyhkI0IbLyIInUMKLCCshiB9JgwNWe71jeAV6dGs4xzdUGajngzCaiaDHL vZ9eMzkCfNca5i8A89tHxSqj5zTcQIRhU3gdk9jzvjbP0R1hqPdQ6NYtASJVUDomO0FS80 OOmWAcf4i77WAVxg+3g3G6vOZzZkR/2rXDG8vQd26tLcACS5aOlDPplDKlWPvpVHSaK0dF mpfdEKz43EZmZ9tFw9Pe9iipEj8R9LczJMUZj1Tpq7vFc2kuZskyJBvt0AlmNgvhE12BJt Xo1jsdY5eJMOt/YCzw/uVlvTxy9KQd9gsqNk3NZkKdnlqk7jKV6wx1duEviBqg== From: Luca Ceresoli Date: Tue, 19 May 2026 12:37:19 +0200 Subject: [PATCH 02/37] 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: <20260519-drm-bridge-hotplug-v1-2-45e2bdb3dfb4@bootlin.com> References: <20260519-drm-bridge-hotplug-v1-0-45e2bdb3dfb4@bootlin.com> In-Reply-To: <20260519-drm-bridge-hotplug-v1-0-45e2bdb3dfb4@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 , Marek Vasut , Stefan Agner , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam Cc: Hui Pu , Ian Ray , Thomas Petazzoni , dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Luca Ceresoli X-Mailer: b4 0.15.2 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 --- drivers/gpu/drm/drm_connector.c | 50 +++++++++++++++++++++++++++++++++++++++++ include/drm/drm_connector.h | 9 ++++++++ 2 files changed, 59 insertions(+) diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c index 37ed73300a18..5e7a3a438e5d 100644 --- a/drivers/gpu/drm/drm_connector.c +++ b/drivers/gpu/drm/drm_connector.c @@ -658,6 +658,56 @@ int drmm_connector_hdmi_init(struct drm_device *dev, } EXPORT_SYMBOL(drmm_connector_hdmi_init); +/** + * drm_connector_hdmi_dynamic_init - Init a preallocated dynamic HDMI connector + * @dev: DRM device + * @connector: A pointer to the HDMI connector to init + * @vendor: HDMI Controller Vendor name + * @product: HDMI Controller Product name + * @funcs: callbacks for this connector + * @hdmi_funcs: HDMI-related callbacks for this connector + * @connector_type: user visible type of the connector + * @ddc: optional pointer to the associated ddc adapter + * @supported_formats: Bitmask of @hdmi_colorspace listing supported output formats + * @max_bpc: Maximum bits per char the HDMI connector supports + * + * 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 char *vendor, const char *product, + const struct drm_connector_funcs *funcs, + const struct drm_connector_hdmi_funcs *hdmi_funcs, + int connector_type, + struct i2c_adapter *ddc, + unsigned long supported_formats, + unsigned int max_bpc) +{ + int ret; + + ret = drm_connector_hdmi_sanity_checks(connector, vendor, product, hdmi_funcs, + connector_type, supported_formats, max_bpc); + if (ret) + return ret; + + ret = drm_connector_dynamic_init(dev, connector, funcs, connector_type, ddc); + if (ret) + return ret; + + drm_connector_hdmi_init(connector, vendor, product, + hdmi_funcs, supported_formats, max_bpc); + + return 0; +} +EXPORT_SYMBOL(drm_connector_hdmi_dynamic_init); + /** * drm_connector_attach_edid_property - attach edid property. * @connector: the connector diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 5ad62c207d00..1f5dba947748 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -2442,6 +2442,15 @@ int drmm_connector_hdmi_init(struct drm_device *dev, struct i2c_adapter *ddc, unsigned long supported_formats, unsigned int max_bpc); +int drm_connector_hdmi_dynamic_init(struct drm_device *dev, + struct drm_connector *connector, + const char *vendor, const char *product, + const struct drm_connector_funcs *funcs, + const struct drm_connector_hdmi_funcs *hdmi_funcs, + int connector_type, + struct i2c_adapter *ddc, + unsigned long supported_formats, + unsigned int max_bpc); void drm_connector_attach_edid_property(struct drm_connector *connector); int drm_connector_register(struct drm_connector *connector); int drm_connector_dynamic_register(struct drm_connector *connector); -- 2.54.0