From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout-p-202.mailbox.org (mout-p-202.mailbox.org [80.241.56.172]) (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 18D722DCBF1 for ; Thu, 25 Sep 2025 20:41:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=80.241.56.172 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758832913; cv=none; b=LALoq833yaJj7DtCyn5c+shGe40ZJPadv2h5mmMIKW/+VAruvEebeZ5kfGjGbkMCw72R58NpNZIl+Ftl32aiHsez9RtQmFOtOxIaKYWcid58c6Ns1pJkoXwAHa69enav3YTS4ZiS3Ji3+rogZAskCuhpK9WfU9Br78Roa9ZIFAM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758832913; c=relaxed/simple; bh=cerRnY1fWQOG+wc6hvM14NQvggaVXStqYkV6A1pmvac=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=EaXYM+8fscVYC5heFUnfkWkFxbPO7Fa5tLLzevYq75yuS3of/EOFh1Y+VIqoynIc7TQLkQhSdMFqUmPU7XW9bBzjLqUbKXMFXXwjMrAq2U8nHEttd/wwREssRbQBVYSqhrK8ucR7VB4TpxCceicBvDfviK+qmYvvnUXbQDKJ3u8= 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=r/jHz6jn; arc=none smtp.client-ip=80.241.56.172 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="r/jHz6jn" Received: from smtp202.mailbox.org (smtp202.mailbox.org [IPv6:2001:67c:2050:b231:465::202]) (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-202.mailbox.org (Postfix) with ESMTPS id 4cXlxd5FDcz9t6q; Thu, 25 Sep 2025 22:41:41 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailbox.org; s=mail20150812; t=1758832901; 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=CijZ3Xqd6wqxDdeAlLP2vKxFbA+8L+sWoLSvg2ZGilI=; b=r/jHz6jnoaua6QeLVAKaSSvhFNHUK1SEppt1e4VfZcHodDk0zlMAdXYuen99UuKB+ssZUu zIouJzVc2yEVwP8p/SAQlZGLe/Z1Zl0SsbllTruD79VTA2he6cWIWiTz1jN8W5MEnLzF25 Gr/ezLzyiwEVn4u13TZxJsqJdHTnrFWTU8WEZ+G5yWBnEWQteTCi04Czn5/cuMV/b2mmQD UlseG98XIWiJDk5doIyOtt9KYJlIs69B8+hgPFzAVRhmPHzmKJCuWWU1E9TgBRKDEZI5TK 9Wg7q/Llf2ayJDuNxwRBGnw7A4ZePEH3XGxWeCszEed6TRhUvQLt/n4popvhng== Message-ID: <609113fa-6af3-4e7e-b47a-45b3152d8581@mailbox.org> Date: Thu, 25 Sep 2025 22:41:37 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v2 4/9] drm/panthor: Implement optional reset To: Rain Yang Cc: airlied@gmail.com, boris.brezillon@collabora.com, conor+dt@kernel.org, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, festevam@gmail.com, imx@lists.linux.dev, kernel@pengutronix.de, krzk+dt@kernel.org, linux-arm-kernel@lists.infradead.org, liviu.dudau@arm.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, p.zabel@pengutronix.de, peng.fan@nxp.com, robh@kernel.org, s.hauer@pengutronix.de, shawnguo@kernel.org, simona@ffwll.ch, sre@kernel.org, steven.price@arm.com, tzimmermann@suse.de, xianzhong.li@nxp.com References: <20250904082224.113d0cd1@fedora> <7d4e773b-64ac-49ce-8d8b-7a39c353d18f@mailbox.org> <20250904160445.1671f140@fedora> <36298ed9-05e4-4871-8e99-dfe814342c29@mailbox.org> <20250904172019.58e5f589@fedora> <4147d10f-fb54-4f1b-ac1b-58cf657a3aeb@mailbox.org> Content-Language: en-US From: Marek Vasut In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-MBO-RS-META: 1dyck573mitkj4nhekjarxur44xtxn3t X-MBO-RS-ID: 09b1e6ab6b2edc227a4 On 9/17/25 4:18 PM, Rain Yang wrote: Hello Jiyu, sorry for the late reply. >>> sorry for the inconvienence. this uboot version don't include SM-184's change. >>> I heard you're using i.MX95 A1 Chip, so you can extract the uboot in below link[1], >>> or build from source, or raise one ticket in this website[2]. >> >> I use mainline U-Boot 2025.07 with about 10 extra patches, but nothing >> significant. I don't think this is U-Boot issue, is it ? >> >> I can rebuild SM, which commit in SM (from imx-sm repository) do I need to >> use ? >> >> -- >> Best regards, >> Marek Vasut > Hi Marek, > I think the problem may be about the multi power domain, the second power domain named perf > is for frequency change only, you can try to power on gpumix power domain only. I dropped that one. > as the 0x4d810008 is a write-once register and whose operation has been moved into the SM side, > so please drop the reset change. > can you also change the label of the gpu node from gpu to mali like "mali: gpu@4d900000", > as the internal driver use mali label to control the thermal up/low limitation. I updated all of the AHAB container, imx-oei and imx-sm components, and the reset controller is no longer needed indeed. > BTW, does the dynamic frequency work well on your side so far with perf domain? How do I test that ? -- Best regards, Marek Vasut