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 E3FF435F8C3 for ; Wed, 17 Dec 2025 14:26:47 +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=1765981609; cv=none; b=KJU5Q5N/0arBAIcsnpTFRJv0fDIoLxZbUWvVAuTum1wAWItQrnRAqYNvFh8v/YXjUf/6sjVsyNJ0uji9A7hgqIwWfB9GSS59jR44jw3gKY6ddCinqZWFholWxTj9j6dpOmwLNNnf8ZyCnGO2XGUU39Y2EoHb+P5mv44oQDI2KOI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765981609; c=relaxed/simple; bh=kdrcbRuNfNIYwqnVXaEJgUbwBUAE3RshqH8HZodpWVU=; h=Mime-Version:Content-Type:Date:Message-Id:From:Subject:Cc:To: References:In-Reply-To; b=hvI9pO0yEVSgZTZC+I1J8tULV6gMIoDEEeBfD21LeFn1SyarHyNVM32qt2DrYZnEAPcRaqfR9dthWq6l2ggzfbOOZicFe0293lRaannqM+6hjXFC9BzmFOD+644Bqjs23lBdz10fJYek+S8oxf9nf/oBxq1V9g85nhJQuaMutHE= 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=i557slcF; 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="i557slcF" 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== 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 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 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