From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 4565A36BCF3 for ; Mon, 9 Feb 2026 11:06:42 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770635202; cv=none; b=Y5We3lBnXc4cvuY8AhMlGEHL6tFtrJzzyN3pcQaZ0BV8prZoKNEadT+9RhucD+0ojgIon+uaxLPrPLC0k64tURreZPPcFVY1x9zryk8bSlOcqKDkPvWQv+GMHtYOoMkvTjhiLDiytCpxGYhCQQV/neSCUbPmoSxrpGGzb3yoK3E= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770635202; c=relaxed/simple; bh=2lMWX6iA/+dulHjSwMbZnkcOOKboG3fTdavqfRIbpws=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Mg+gtwUh9osGYSKVHjHBctTdWwLaued2uQhsT49Tfnaz9MfS6qi6VO6yVqAyP3ZscFnSnSe9GRjQGiUAQedfl1wf+3VMsjtM10NZs/bkM16+QzMTMYcrGa2C78PmOGkE1DcpgXsN7uF1kV891D5XAuJCU1B4hTe9dvfbtp8m4Kk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=C2zivwwy; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="C2zivwwy" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1770635200; bh=2lMWX6iA/+dulHjSwMbZnkcOOKboG3fTdavqfRIbpws=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=C2zivwwyQTDIsfTUyyxZA1GPOYma4KFEMoAmYarbFKpRhvs6jxqp/Of4oWiEevBxj Dn4hzO7dmMjjHxbl1D8YsyJPam0wjrpXgxpingTsz0SbJxbVuCcPumhDovPht6i0uj +nUSYMyx0HiCWHVObk4RN2OjmsxowAjktMThAhfULy2yIlWulNUA4NjMYwySzFin6M 2aQ1KWxC4miqKJGq14V3bv21xsJ13qWKAJZoqkGMWxF+c+hbkNXTKPqHohlQrSswvs PQUWe8NMIL6O/uZRewUrBHwhAX7Dzm3N5gwCc0cJiwYTE+obdtIslbXB18PM//sMnL r9HGFIYWnM4YA== Received: from [192.168.1.100] (2-237-20-237.ip236.fastwebnet.it [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id 225AE17E1144; Mon, 9 Feb 2026 12:06:40 +0100 (CET) Message-ID: <56dcaa86-d4a6-4ba5-9dd4-adf8c057cb2c@collabora.com> Date: Mon, 9 Feb 2026 12:06:39 +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: [REGRESSION] mt8183-kukui: dts: changes in dts caused display to no longer initialize - Was: Re: mt8183-kukui: drm/mediatek: dts: Invalid display hw pipeline when probing mediatek-drm To: Denis Gessert , Thorsten Leemhuis , Matthias Brugger Cc: Evans Jahja , linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev References: From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Il 06/02/26 12:33, Denis Gessert ha scritto: > Hi, > > I found this email chain while troubleshooting why my Levovo Duet > (with the MT8183 chip) would not boot using any 6.18.* kernel. > > I can confirm that on my device the current stable 6.18.8 does not > boot unless I revert the commit > > commit e72d63fa0563f8a6e98c10fed3a9ce74dc0536e6 (HEAD) > Author: AngeloGioacchino Del Regno > Date: Thu Jul 24 10:39:08 2025 +0200 > > arm64: dts: mediatek: mt8183: Migrate to display controller OF graph > > mentioned below. With the reverted commit the device boots as intended. > > PS: Apologies for the potential double-mail. My first message bounced > because it was HTML, so I am sending it again text-only. (This is my > first time on the mailing list..) > > Cheers, > > Denis Hello Denis, This patch should be resolving the issue -> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/arch/arm64/boot/dts/mediatek?h=next-20260205&id=be0b304eeb8c5f77e4f98f64e58729d879195f2f Cheers, Angelo