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 A66E7D65C4F for ; Wed, 17 Dec 2025 14:26:59 +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:In-Reply-To:References:To:Cc :Subject:From:Message-Id:Date:Content-Type:Content-Transfer-Encoding: Mime-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=YDX1qXUbxhjoP2T+6sGXnAdfnWZpwmfhKaz+lWV9Ox0=; b=AuYVmjB6qcEBgoBRz7kPltB1Kp rqhx6zU7Q+l+r5TUCGQni2RYx68RwXGYeoNMPRzBOBXcPIUMmqvcVHKqRjatwxcN8XH0FqKjYgzT0 HHHUTazPgd2a1IbqX8SenTzXg8MS+ngXrgtAMud3VDP9a3f4HStnvsdd8q2Kv2SpU9K53STbXzGj6 ACutiskn2uTfBsgv8vgpTbxCHEupksnNDaYdesZPVIE/f8aLafvUPxu9N+OBSwAk5z/HnFbt1wdcM wZrIZ6W0C3fcJf/CbrkMwA0Ew9l0r9epFcL9eGnpBDOv9cJ/3Yb5MY87NVTBEH09GI2NgT3SvC5ap IG11KkuA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vVsUQ-00000006wA7-1xyX; Wed, 17 Dec 2025 14:26:54 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vVsUK-00000006w5a-0qqm for linux-arm-kernel@lists.infradead.org; Wed, 17 Dec 2025 14:26:53 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id AAB6C1A2281; Wed, 17 Dec 2025 14:26:46 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 802546072F; Wed, 17 Dec 2025 14:26:46 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 15734102F0AD5; Wed, 17 Dec 2025 15:26:42 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1765981605; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=YDX1qXUbxhjoP2T+6sGXnAdfnWZpwmfhKaz+lWV9Ox0=; b=i557slcFQjwF4LQaQPzNhGuODav4tNj9ltFajgy5V9vFyDFB+He4fnZNUOo0gJEsxrDs7d FrNuHM8bi5+k1L/PJGhrrVC5UoVynX2II1ImSypDmv/uGWa752fHg/g9c18PLFF+7Ut1yL miWheZ4RFC05VPHCgP1e8SIgowzxuqWgEASqM7rMrHAa2iQ2symcSpKAmt7vWojs0jjXwo Cr8R9uam6K1DwxEBC0czPKqb1H5ivLqCzTtIcOdCflCTuAZzNcG3/1JxZ/cZqPfHuVgMBH psUIG/+yKlXWbwPvw3PYCUt+LEqCa0S7AFgLdasBF4oWFwqxwI8Q6M77LJEOHw== Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Wed, 17 Dec 2025 15:26:41 +0100 Message-Id: From: "Luca Ceresoli" Subject: Re: [PATCH v2 19/20] drm/bridge: tda998x: Add support for DRM_BRIDGE_ATTACH_NO_CONNECTOR Cc: "Markus Schneider-Pargmann" , "Bajjuri Praneeth" , "Louis Chauvet" , "Thomas Petazzoni" , "Miguel Gazquez" , , , , , To: "Kory Maincent (TI.com)" , "Jyri Sarha" , "Tomi Valkeinen" , "Maarten Lankhorst" , "Maxime Ripard" , "Thomas Zimmermann" , "David Airlie" , "Simona Vetter" , "Rob Herring" , "Krzysztof Kozlowski" , "Conor Dooley" , "Russell King" , "Bartosz Golaszewski" , "Tony Lindgren" , "Andrzej Hajda" , "Neil Armstrong" , "Robert Foss" , "Laurent Pinchart" , "Jonas Karlman" , "Jernej Skrabec" X-Mailer: aerc 0.20.1 References: <20251211-feature_tilcdc-v2-0-f48bac3cd33e@bootlin.com> <20251211-feature_tilcdc-v2-19-f48bac3cd33e@bootlin.com> In-Reply-To: <20251211-feature_tilcdc-v2-19-f48bac3cd33e@bootlin.com> X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251217_062649_667135_CACF2C5A X-CRM114-Status: UNSURE ( 9.69 ) X-CRM114-Notice: Please train this message. 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 On Thu Dec 11, 2025 at 5:39 PM CET, Kory Maincent (TI.com) wrote: > Add support for the DRM_BRIDGE_ATTACH_NO_CONNECTOR flag to allow display > controller drivers to create their own connectors. This modernizes the > driver to work with the current DRM bridge framework. > > The implementation includes: > - Refactoring detection and EDID reading into bridge-usable helpers > - Adding bridge operations: edid_read, detect, hpd_enable, hpd_disable > - Setting appropriate bridge ops (DRM_BRIDGE_OP_EDID, DRM_BRIDGE_OP_DETEC= T, > DRM_BRIDGE_OP_HPD) and connector type (HDMIA) > - Skipping connector creation when DRM_BRIDGE_ATTACH_NO_CONNECTOR is set > - Handling conditional connector cleanup in bridge_detach > > The driver maintains backward compatibility by continuing to create its > own connector when the flag is not set. > > Signed-off-by: Kory Maincent (TI.com) Reviewed-by: Luca Ceresoli -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com