From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-103.mailbox.org (mout-p-103.mailbox.org [80.241.56.161]) (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 4091E36CE03; Tue, 17 Feb 2026 15:05:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.161 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771340711; cv=none; b=Xo5f6GLXXUNjT+ht3J/kr3pp1BhxmRruIsC5pRsA47EXGcWXEoeCIp4HIFYG6qbPd52cgjzRdX6oppU3fgD/vNNrt5ROZtiCcMGZB5SYoyFQjW1ol/EEqb2XQkMp2Tv5m3rDDladd1MF6K1yMJHKrmiNESoqJv9qFO1pt8OZziI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1771340711; c=relaxed/simple; bh=Uj3A+uw54BzyCfx95n4zmoy30oYwLQtauz/Cs7N3a38=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=IZEBSl48HST6FXuiv2xy/Rwgkkn4+5ncc2jPgG56eHlizY9RQKdwkchI2h5N//7NHkHcVR5gDYXwhTcTGe/qMhSAiqgfPB7UuN480D0vwwisjbLu68CSCXxAWHrMySswKOxxCrx7A32ShhJOvvTh9gY9MnWV/uQubPxCy0qDFBU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org; spf=pass smtp.mailfrom=mailbox.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b=tBM20F6v; arc=none smtp.client-ip=80.241.56.161 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=mailbox.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mailbox.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=mailbox.org header.i=@mailbox.org header.b="tBM20F6v" Received: from smtp102.mailbox.org (smtp102.mailbox.org [IPv6:2001:67c:2050:b231:465::102]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) by mout-p-103.mailbox.org (Postfix) with ESMTPS id 4fFjcM01nbz9t7D; Tue, 17 Feb 2026 16:05:07 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1771340707; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=IELzt1btZWNz2sWorU6uElBs2/8ePm1rr87gY2eyhpk=; b=tBM20F6vy+PwjgtJyif1W55HpRRImexlGgIc9ppk+sPnju2au9UcbE7ER1nQLLxzjWcJc8 sqqPueTUNw6bpS73HFvfl3wHMcG510MErYAQAyuqfMlEf2t5tBDZhhP/lgKRVutI+jzI77 sJIFezk2JpQafxvKpcoS2qA7dAVLgaBnq/eKZwpi7BYJRRGuASA63InjRuMYW4X+8x69Cw SJR+cA0qpwLd72ORRweULnHiL7VJdAZjpl9uFVCeVLJ2MIXq9ZfSSp9wcKCEB7M5KzekH1 VQNL3cgAxgUnu10FkF4H4IrRsxmV9rBZmuiNLtLLaiRZwxqHs4s7yugRdBZUtw== Message-ID: <01531a0e-b7e8-43b4-98c8-016fbbea6081@mailbox.org> Date: Tue, 17 Feb 2026 15:54:23 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH] drm/imagination: Convert to dev_pm_domain_{at,de}tach_list() To: Thorsten Leemhuis , Matt Coster , Geert Uytterhoeven Cc: Frank Binns , Brajesh Gupta , Alessio Belle , Alexandru Dadu , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , "dri-devel@lists.freedesktop.org" , "linux-pm@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "regressions@lists.linux.dev" References: <194465eda54d1f852a9226cf691ddc5aa208e0a3.1769097977.git.geert+renesas@glider.be> <3e0def93-2f6c-4bcf-8ee5-bf607f2ca382@imgtec.com> <95fd3f52-c3ed-40c5-920f-11e8767f701d@leemhuis.info> <1e8e416e-e474-4288-9686-1ba2b88e4946@leemhuis.info> <21b1fd77-252e-4fb3-aa65-1c26043c5412@imgtec.com> <9c1b2671-3374-4d84-ad14-07dd499bb934@leemhuis.info> <86e23062-e439-41f3-9750-d87fa5b85447@imgtec.com> <973ca923-3654-46be-a9b8-8d38cd7d4a59@leemhuis.info> Content-Language: en-US From: Marek Vasut In-Reply-To: <973ca923-3654-46be-a9b8-8d38cd7d4a59@leemhuis.info> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-MBO-RS-ID: 608b86c2272fd929af8 X-MBO-RS-META: hjp3nb4da91yuydp1zpcadnfoofodi57 On 2/16/26 6:28 PM, Thorsten Leemhuis wrote: > On 2/16/26 14:37, Matt Coster wrote: >> On 16/02/2026 11:38, Thorsten Leemhuis wrote: >>> On 2/16/26 11:58, Matt Coster wrote: >>>> On 16/02/2026 10:11, Thorsten Leemhuis wrote: >>>> >>>> We're currently trying to force this issue to reproduce on hardware we >>>> have on hand; we'd like to see it fixed properly as much as anyone. >>> >>> Yeah, no worries, I never doubted that. But getting things properly fixed >>> can mean "revert, fix, reapply" when it comes to regressions in Linux -- >>> which is something that should not be seen as something bad, as Linus said >>> himself (see below)! >>> >>>> From our side at least, I don't believe this is a regression at all. >>> In the end what matters is: some change afaics caused systems to not work >>> anymore that used to be working -- that makes it a regression my the Linux >>> kernels standards. And those by the same standards must be fixed, ideally >>> quickly. Find a few quotes on that from Linus below that explains this >>> better. >> I feel like I should reiterate that the commit we're talking about >> reverting is fundamental to support for one of the only two platforms >> currently supported. > > That might or might not be relevant, see the "back and forth" section > from the Linus quotes. > >> And that the changes to add "support" (just >> bindings and DT) for the affected Renesas platforms came several months >> *after* this. > > Ohh? That might change things then. I relied on the info from Geert and > Marek – and would be glad if you guys could sort this out, as you are > the experts here (and I already got myself way deeper involved then I > wanted to). I already replied to Matt on this part -- I don't think the kernel crash is related to any specific platform. That the R-Car platform triggers it only means, that the crash is real and should be fixed.