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 DBA91E7E0CA for ; Mon, 9 Feb 2026 11:06:49 +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:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0GYCFNOAgBtRtNhUXt4Q9SrqFgrDt42zGg7jLgOv318=; b=1RJxwQFPB4Y0evSpfjMdgvd89L FF0+b2g0o/gU06Lioz9bDwyJd38iKN+s3SFWzGKAVMAbDWfaQqW6CsNNdBbBlQux0Q1atoO42+EYx 3CbRw2VS0DhpYAHgBPwQDJpX2iKz5UGqh1NZsOxdA22hyZvejIv9crE9Mog12iINivxeyzfk7Hcxp wRs3mISVWDZfQn5mPFRT6sohNJ3958GzlwHvfu+6LGMmB62RZZQ9rR/+AtjmLb0xAIEHweaCmxaCC H0nnwo6ZmLz6V6/eGd3xuL6jcvF/WKTWUiBwTglJX6T2Z80xiR2udrJbOKyC0aIjuKC5BsAu2OPNU YOwQ+u2w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vpP6N-0000000FGzy-1pcU; Mon, 09 Feb 2026 11:06:47 +0000 Received: from bali.collaboradmins.com ([2a01:4f8:201:9162::2]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vpP6K-0000000FGzC-3NfW for linux-mediatek@lists.infradead.org; Mon, 09 Feb 2026 11:06:46 +0000 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 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260209_030645_002797_2B62D464 X-CRM114-Status: GOOD ( 11.26 ) X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org 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