From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx.nabladev.com (mx.nabladev.com [178.251.229.89]) (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 0768F379ECD; Thu, 12 Mar 2026 23:28:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.251.229.89 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773358094; cv=none; b=s2fpkyNb5LIfMtt0TJP1Rf7EDIJgMBe8/2BKhv7NEtrKzVA0PtzZPBaQmIF6RRPQg5X6H+stMfIyvNVafa93yxu91FUAAKUFApG2/d/Pe3nTrTbX20VcMqQ8U8/ZRzuKuXCV1cwN6V8j6yQk7CxIeTaR2YGiUHspXzdUra9vK14= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1773358094; c=relaxed/simple; bh=8mla9mePvAq4Xablus8JVx/cPFUAF5rSy0uAweJQ9RA=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=oQT4pv9jB5WvoyrTcVuISgCZenep/IcwT3Wpk30lvPjY1DcSVTGDCnEgFul9wPAYIwZgE6yiNswys08aBhi063K9LzCQZBHnrsNU1kzWT2eIlPFGZnShq/Uz8ORJ2mcVypkJleEBtZjqaLvvNEGLqIOSE5HUNQkML0KR7Q+3U5c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com; spf=pass smtp.mailfrom=nabladev.com; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b=Bqq3AcVn; arc=none smtp.client-ip=178.251.229.89 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=nabladev.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=nabladev.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=nabladev.com header.i=@nabladev.com header.b="Bqq3AcVn" Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id DDC8E107870; Fri, 13 Mar 2026 00:28:08 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nabladev.com; s=dkim; t=1773358090; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:content-language:in-reply-to:references; bh=D4U67KyPuip0+4wF0EN2QGlBhdOHlDVkwPXiAqd3gVI=; b=Bqq3AcVngYY1S2QMommyl6BcmySjmlHZQjknGYE5eo30yFZ9fhuzWw20+bAw4jHQ/xo767 6QDoVskFY99f6xcCyru7yQ7xty/qhoZ8NuIFqCywcwgFirhIBkYWq7kbwA1FwlVa1vtDcB MbUp0DeQkUud1rl1Sh7nvSqPel4k8bVN9okOynihllrdVUCHeJNdIYIBkFfXxJWZ5f+kov QNMTEAtYM2bdeI34/pCoY35hm3G3+xZWxvSTrkWzd6cA5U6wXmPAre56Um8ZOCygsFM/rm 61DDY2ylIlwfD4DpDHKLWtf7F6ahOBrxYvZF3eeIRJOryMg2nulAoThfVJUruA== Message-ID: Date: Fri, 13 Mar 2026 00:28:08 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] drm/imx: parallel-display: Prefer bus format set via legacy "interface-pix-fmt" DT property To: Philipp Zabel , dri-devel@lists.freedesktop.org Cc: stable@vger.kernel.org, David Airlie , Fabio Estevam , Pengutronix Kernel Team , Sascha Hauer , Shawn Guo , Simona Vetter , Thomas Zimmermann , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260110171510.692666-1-marex@nabladev.com> <0d3a41526ba02eee28457fafc95f5152a9c7bb4b.camel@pengutronix.de> Content-Language: en-US From: Marek Vasut In-Reply-To: <0d3a41526ba02eee28457fafc95f5152a9c7bb4b.camel@pengutronix.de> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Last-TLS-Session-Version: TLSv1.3 On 1/13/26 12:31 PM, Philipp Zabel wrote: > On Sa, 2026-01-10 at 18:14 +0100, Marek Vasut wrote: >> Prefer bus format set via legacy "interface-pix-fmt" DT property >> over panel bus format. This is necessary to retain support for >> DTs which configure the IPUv3 parallel output as 24bit DPI, but >> connect 18bit DPI panels to it with hardware swizzling. >> >> This used to work up to Linux 6.12, but stopped working in 6.13, >> reinstate the behavior to support old DTs. >> >> Cc: stable@vger.kernel.org >> Fixes: 5f6e56d3319d ("drm/imx: parallel-display: switch to drm_panel_bridge") >> Signed-off-by: Marek Vasut > > Reviewed-by: Philipp Zabel If there are no objections, would it be OK to apply this ?