From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtpout-03.galae.net (smtpout-03.galae.net [185.246.85.4]) (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 43D273385BC for ; Wed, 7 Jan 2026 14:45:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.85.4 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767797141; cv=none; b=XfJbupsbZnVZ/2K9ybtvkGxrZ/HfvRzzLBTgyPNzXYAgRLpRzKIiKmlGBY4PgWc0SYRJATEwzRN6xxF0LHwOHbmav8p7JY7qA9YbVsJzo54ifVlYaYZK3a3WAJtXO/NUKzu9oCOieFu74ZgRjnySEX49qslvLrCw/uVWK2awi6A= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767797141; c=relaxed/simple; bh=qebzucOqrBSH1D2guSGfc6reEYtzMB040F5q1JVMq9g=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:To:From: References:In-Reply-To; b=u2h+TxNO7gTibUgAcEImO4QX7eRqQjFnjq8kEfoabVWyCaCU66WUUkZfRBCtvSIeIaXJFKDeSJlPDSrt5kr1J2dPmil0bPyMBFFJU4qBJ+NTxXiKPMR5oP7A54JPVHlhze8UAo1awcQtipKJ5YYd7bam6epLn8lOruQg9BgfUME= 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=mwG58V21; arc=none smtp.client-ip=185.246.85.4 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="mwG58V21" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 6C6AF4E41FD8; Wed, 7 Jan 2026 14:45:36 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 3334A606F8; Wed, 7 Jan 2026 14:45:36 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 54B3D103C87C1; Wed, 7 Jan 2026 15:45:26 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1767797135; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=nTlOT3AM4kdk7PxlNs3Skb2xq4/lCpkf95bKd6Z7IFA=; b=mwG58V21Feidw7j15RkZ1DlmeBnygryUTg12PFyeun6SbL9UTMeQuBa/8vHS1eHFd8029L gUBiXaA5jWnwZ2IoTRm9A0ijTAesUa4m5wNMBnTmFh/kEfP25+oWQuPHZcFzPm52arShlN Z6LgEDcsgolgB1iwvYzSEO7kLDdcRqlxXrCocxejFHvB+d3UGfDMa3mipAFKt/h/EQuM9/ vMFxUGBzyLB/mtlmKx5GPM6T8Ub5eDu524wcrnK1htz4OoOxRzvVkBhGLLVU2p/DojiX3V E3WLiGA8J/pTx5Gb0zznUhkhDBxNE2CLn0CfTKOwLLdUB8Mgwhp5crAsU6ogSg== 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, 07 Jan 2026 15:45:24 +0100 Message-Id: Subject: Re: [PATCH 09/12] drm/bridge: imx8qxp-ldb: convert to of_drm_find_and_get_bridge() Cc: "Maarten Lankhorst" , "Thomas Zimmermann" , "David Airlie" , "Simona Vetter" , "Philippe Cornu" , , "Andrzej Hajda" , "Neil Armstrong" , "Robert Foss" , "Laurent Pinchart" , "Jonas Karlman" , "Jernej Skrabec" , "Adrien Grassein" , "Liu Ying" , "Shawn Guo" , "Sascha Hauer" , "Pengutronix Kernel Team" , "Fabio Estevam" , "Inki Dae" , "Jagan Teki" , "Marek Szyprowski" , "Hui Pu" , "Thomas Petazzoni" , , , , To: "Maxime Ripard" From: "Luca Ceresoli" X-Mailer: aerc 0.20.1 References: <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-2-v1-0-283d7bba061a@bootlin.com> <20260107-drm-bridge-alloc-getput-drm_of_find_bridge-2-v1-9-283d7bba061a@bootlin.com> <20260107-weightless-adaptable-wildebeest-a3ed6f@houat> In-Reply-To: <20260107-weightless-adaptable-wildebeest-a3ed6f@houat> X-Last-TLS-Session-Version: TLSv1.3 Hi Maxime, Thanks for the blazingly fast review of the entire series! On Wed Jan 7, 2026 at 3:08 PM CET, Maxime Ripard wrote: > Hi, > > On Wed, Jan 07, 2026 at 02:13:00PM +0100, Luca Ceresoli wrote: >> of_drm_find_bridge() is deprecated. Move to its replacement >> of_drm_find_and_get_bridge() which gets a bridge reference, and ensure i= t >> is put when done. >> >> Signed-off-by: Luca Ceresoli >> --- >> drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c | 3 ++- >> 1 file changed, 2 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c b/drivers/gpu/drm/= bridge/imx/imx8qxp-ldb.c >> index 122502968927..6b80d798b27a 100644 >> --- a/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c >> +++ b/drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c >> @@ -552,7 +552,7 @@ static int imx8qxp_ldb_parse_dt_companion(struct imx= 8qxp_ldb *imx8qxp_ldb) >> goto out; >> } >> >> - imx8qxp_ldb->companion =3D of_drm_find_bridge(companion_port); >> + imx8qxp_ldb->companion =3D of_drm_find_and_get_bridge(companion_port); >> if (!imx8qxp_ldb->companion) { >> ret =3D -EPROBE_DEFER; >> DRM_DEV_DEBUG_DRIVER(dev, >> @@ -679,6 +679,7 @@ static void imx8qxp_ldb_remove(struct platform_devic= e *pdev) >> struct ldb *ldb =3D &imx8qxp_ldb->base; >> >> ldb_remove_bridge_helper(ldb); >> + drm_bridge_put(imx8qxp_ldb->companion); > > the companion bridge is used in pretty much every KMS hook, we need to > put the reference in destroy. Ouch, indeed! Will fix in v2. Luca -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com