From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 B43221A0B15; Tue, 18 Nov 2025 23:10:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763507416; cv=none; b=bcRjj4Kx9qj77LtJBDtg5jC3CJe7DOuJev4cEyjcl15tF6gtAMHtQ1LnL3PiWg1ldlaNX3miOkn2mR2caZOw+3PUgnz8nx0Fl0uTquT+/hY0hat4roh6OuQgSgjRYA3JWF2mcLPy5FTB7vJvPpkBS4pDZOKpmLELsYX7E57sXjE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763507416; c=relaxed/simple; bh=S1bbhLjv7zCClg2ZiZ70C9ZYUz8AkCF4ftWpXSr5hf4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=g7qpk7KcDjMDibydAaudZ/yGot/x9aGkbvvugg0ufZ2u6oGd/KSif/VW7sWpANQ9TlRMUaJ7SmDeIXKu6i0Vg6Gpt3l3bziLJt1tOIPbm81kBKRHBNSTx4Mxen50GQ8BG0i1EJTJpUWLYijXO57Mynsx1zrEr6EGWyMAcgFSIYo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OjNK6Q6E; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OjNK6Q6E" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8B013C19421; Tue, 18 Nov 2025 23:10:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763507415; bh=S1bbhLjv7zCClg2ZiZ70C9ZYUz8AkCF4ftWpXSr5hf4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=OjNK6Q6EYb4hMgKsY3JtgukkutRM0mClJp/RSLDLLLb7VY3x3V/l8wms7CaTZQZde ax/ifn9A7UCSpgdB4eJBbB+1fssGtpE+DuuZPxCj74Tt5g63/s7fIzUioJTokNaDIO /Tq0xIfWtNlbeBuHITQGn0cJN7SMN4ygbMFE2QQSMWMHymavDaWcD6nzeqaG+z4mzC 317tHm5izCI206CRL6AH7ZquW7gzTvGmfnj/rZaNeNs6Nuk+Z4J18puHSWV1ptDt3P LL4FA6o6AjXCwxdVqXP+wVuX41d2jG+nH2f+61yB1+f4crSaf74ALnCjlvwpOVSMvl 3xqSWb6PtgF7Q== Date: Tue, 18 Nov 2025 23:10:08 +0000 From: Conor Dooley To: Hal Feng Cc: E Shattow , Emil Renner Berthing , Albert Ou , Bjorn Helgaas , Conor Dooley , Heinrich Schuchardt , Krzysztof Kozlowski , Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= , Lorenzo Pieralisi , Manivannan Sadhasivam , Palmer Dabbelt , Paul Walmsley , "Rafael J . Wysocki" , Rob Herring , Viresh Kumar , "devicetree@vger.kernel.org" , "linux-riscv@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH v2 0/8] Add support for StarFive VisionFive 2 Lite board Message-ID: <20251118-throwing-marina-14a87d65465a@spud> References: <20251107095530.114775-1-hal.feng@starfivetech.com> <4a55301a-ef7e-4b47-8151-621cfba36ddd@freeshell.de> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="N4oiYSiiIoHTkUpd" Content-Disposition: inline In-Reply-To: --N4oiYSiiIoHTkUpd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Nov 18, 2025 at 02:12:58AM +0000, Hal Feng wrote: > > All, > >=20 > > I repeat that the suggestion was made months ago (by Hal) to split out = the > > OPP tables per-board from the period of time when I was complaining abo= ut > > 1.5GHz JH-7110 operation pushing TDP into over-temperature thermal limit > > on Milk-V Mars CM SoM. > >=20 > > Whether or not JH7110S is a new compatible should follow precedence in > > Linux development. JH-7110S is evidently the same tape-out as JH-7110 a= nd > > however you deal with that in Linux is the appropriate way to deal with= that > > here. Selection of OPP table for correct operation will be determined by > > bootloader, where, it is demonstrated by patch series sent to U-Boot > > upstream to be selected ** per-board ** based on EEPROM content as if it > > was any other JH-7110 board deciding dts based on EEPROM content. Given > > that it is the same tape-out I do not find a valid justification for a = new > > compatible in the stack of adjacent software besides going along with s= ome > > kind of marketing-driven answer about whether or not this is a new SoC. > >=20 > > What I care about now is that the VisionFive 2 Lite series is in good e= nough > > shape and there's a possibility to act on this months-old suggestion to= split out > > the OPP tables which as we have confirmed the JH7110S is the same SoC as > > JH7110 it makes a lot of sense to do. > >=20 > > How is it supposed to work for binned silicon in Linux? >=20 > Hi, Conor, Emil,=20 >=20 > What do you think about this? Hope to hear from you. Can someone just give me a yes/no question out of this thread? I'm not really immediately sure what's being asked of me. What exactly do you want to do with the opp-tables? "Split out" isn't super clear. Does that mean into board files? I am guessing it does, since you're saying that a particular board cannot support the 1.5 GHz mode. It's not unusual though to use delete node for unsupported opp-table entries, could that be done instead? FWIW, this weekend is -rc7, so I won't be applying any new material after that. --N4oiYSiiIoHTkUpd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYKAB0WIQRh246EGq/8RLhDjO14tDGHoIJi0gUCaRz80AAKCRB4tDGHoIJi 0s+FAQDMoM392mKet43CbIZa5XkVf0Nhavze4vBfQXc9CBkXkQEA7L47T/hTFt2g lgvgkf1AKUnNOrw/Pcnu6msIEVx0fAI= =RX+k -----END PGP SIGNATURE----- --N4oiYSiiIoHTkUpd--