From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 75ED5CD5BA4 for ; Tue, 19 May 2026 10:38:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Cc:To:In-Reply-To:References :Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version:Subject:Date: From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=9aDTr9w2iMM3B9icFD9CXFezhKLvHw/SAcu5pC+lah0=; b=s051BwyaqLueqjQ5eL9En+56Jw jP55uvj695sz7MmRdZUVkmuuJG2cMcP9UzRECSAD1+NMNaE58bi4ZsK1QjJS6HEm91yjBZX/ww4nU KwVaiR2jVBvSt5+aqcKqWarKfpgNpNkVQduKhmp5IQqBo4aSVMz2GG4vkCz76IFnI/ZjBthKqNihk xmaYb/wx6UwVb68jK3Qm1DJ1At3pOxsBulNj4qmcYdRZQ6++vyD0Di1VJ90TmwgT8ql2Ko0EvnAfg cjlejhCQp8n7KUIUA5DM5X0iGD3ezsSrNGnX6bd5A409Bdh5yiSI0/xVmfRz1UwgW2rB95F81vfQa Qda2ZGIg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPHqA-000000017Bp-1vh6; Tue, 19 May 2026 10:38:22 +0000 Received: from smtpout-03.galae.net ([185.246.85.4]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wPHq4-00000001782-04Xx for linux-arm-kernel@lists.infradead.org; Tue, 19 May 2026 10:38:17 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 96F0C4E42CF1; 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() 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260519_033816_328533_A3052E4B X-CRM114-Status: GOOD ( 11.71 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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