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 1DBC7C36002 for ; Mon, 24 Mar 2025 09:44:19 +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:Message-ID:References:In-Reply-To:Subject:Cc:To:From:Date: MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=kFNrF1+QCqXJYQ2BxaXDZ6u0WsATr1kvUb16OTMEuz4=; b=tUikQtOjnhDT7Hn1JfsOJ8dXYl bBQ8gVq0wsSKYY6iE+ZU+FIdKi6HPCXdpPBG3EESnROCYXpoC+N5QQrDcOLIiIPiPplgsqFUm7Yar iCGclqgYTw9yCMC4fLW3Do8DIQJQQYwImdEDAAaUTaeYN+mqbrenhT7pJ+13mP4SV0asM1BJ+JxVs dI7uVn770UDjNTLwo504Z12qvt7cnVImEIsdKn/vTFXx+Rf0+XatLm364WvEdbKVEEPVvX7DeZShL eeKxheEGURfukvwbr11zWCm2xc1K8uaHMXS6EpUvPtsQavCau3nClp0+qXEsaQ+w2JaiR7GxC2eey FmUAgYCA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tweLq-00000002kYj-45bJ; Mon, 24 Mar 2025 09:44:10 +0000 Received: from mail.manjaro.org ([2a01:4f8:c0c:51f3::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tweEs-00000002jXI-0Cn3; Mon, 24 Mar 2025 09:36:59 +0000 MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=manjaro.org; s=2021; t=1742809015; 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=kFNrF1+QCqXJYQ2BxaXDZ6u0WsATr1kvUb16OTMEuz4=; b=EvPCPcEvEphlFm4vzCrED3mmJuyz5P3exj1vtXKjA5BDHBcTewltFvy66o4BOPEX8mz0kY rhEnfkbWToQg4L6QoDMvFRXwoTUGWwFn3deRY3BC2HrRqSzWS/u0M8ihvbzaM83vloTDjl +JfonB2rs1O5tFvPmSfj+u9sakL0xAzFBFWbLjeXqS9dnjSCDI1zzr2iBoUBnMiUxsIyYv SH3ITh28J/6HXzUkm3kEbDjz7JXTjKN3ENv4wf/cHFv5ptAyFgvQvDgHa7iYHJrSxCei5s aqFPjayZCyGU+6SsUlQox67BonrIV7Vwoa3eO0ZKvuaO+7aFoJl63rn68lV3Fg== Date: Mon, 24 Mar 2025 10:36:54 +0100 From: Dragan Simic To: Quentin Schulz Cc: linux-rockchip@lists.infradead.org, heiko@sntech.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, stable@vger.kernel.org, Alexey Charkov Subject: Re: [PATCH] arm64: dts: rockchip: Remove overdrive-mode OPPs from RK3588J SoC dtsi In-Reply-To: <960c038ad9f7b83fe14d0ded388b42f7@manjaro.org> References: <71b7c81b-6a4e-442b-a661-04d63639962a@cherry.de> <960c038ad9f7b83fe14d0ded388b42f7@manjaro.org> Message-ID: <460503eb831485ede9a49dcf226aef1b@manjaro.org> X-Sender: dsimic@manjaro.org Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Authentication-Results: ORIGINATING; auth=pass smtp.auth=dsimic@manjaro.org smtp.mailfrom=dsimic@manjaro.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250324_023658_321319_E6E36257 X-CRM114-Status: UNSURE ( 9.99 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hello Quentin, On 2025-03-23 11:19, Dragan Simic wrote: > On 2025-03-21 10:53, Quentin Schulz wrote: >> On 3/21/25 4:28 AM, Dragan Simic wrote: >>> The differences in the vendor-approved CPU and GPU OPPs for the >>> standard >>> Rockchip RK3588 variant [1] and the industrial Rockchip RK3588J >>> variant [2] >>> come from the latter, presumably, supporting an extended temperature >>> range >>> that's usually associated with industrial applications, despite the >>> two SoC >>> variant datasheets specifying the same upper limit for the allowed >>> ambient >>> temperature for both variants. However, the lower temperature limit >>> is >> >> RK3588 is rated for 0-80°C, RK3588J for -40-85°C, c.f. Recommended >> Operating Conditions, Table 3-2, Ambient Operating Temperature. > > Indeed, which is why I specifically wrote "specifying the same upper > limit", because having a lower negative temperature limit could hardly > put the RK3588J in danger of overheating or running hotter. :) Oh, now I see what you actually wrote above, which I misread a bit initially... In fact, the upper ambient temperature limit is the same for both RK3588J and RK3588, according to the datasheets; it's just that the lower temperature limit is much lower for the RK3588J, which the patch description says. I'm not sure where did you find the 80 vs. 85 oC difference; please, see a couple of screenshots from the datasheets, linked below: - RK3588 datasheet v1.6 (v1.7 is the same): https://0x0.st/8j1a.png - RK3588J datasheet v1.1: https://0x0.st/8j1m.png The v2 of the patch is coming soon, with the patch description improved according to your suggestions. 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 3D74DC36008 for ; Mon, 24 Mar 2025 09:44:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:Message-ID:References:In-Reply-To:Subject:Cc:To:From :Date:MIME-Version:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=EoNsXSNehQu7M2ZN3ZS8t+1+w2ZTxoOMj1ZQT4bpVaI=; b=nyR+sZH4lqwsRZa1cKJAgafcNe 7NQQ/NiQE78n1Jhai7hGqeyWxHXSCNkhuCz+8nmprkaemXeLjl/AWfHQj8OP6KjdLDdNRxgkLCo1U GknAQHP+QZJmLo2oysbydoaueJLUxbUcesZLOou6GdpE1wjLnW9GN3d2E7jU4HlXjpLukT3q0LCeo X4/gB58JbxpXJUKw2CZ7jFcxyjN+7Z5h19cUgeGmhaSzhGZi/sX+J9LcGq1qe9/6O8iNx77BahPMb KEGSv/dfT6xQyq/SyQsrNcnNefP9FicortpGZnAdDJrVLO2gjvmRkAjopEHEPo33laUvb47ycD88+ h9UguG5w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tweLr-00000002kZ9-2DFV; Mon, 24 Mar 2025 09:44:11 +0000 Received: from mail.manjaro.org ([2a01:4f8:c0c:51f3::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tweEs-00000002jXI-0Cn3; Mon, 24 Mar 2025 09:36:59 +0000 MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=manjaro.org; s=2021; t=1742809015; 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=kFNrF1+QCqXJYQ2BxaXDZ6u0WsATr1kvUb16OTMEuz4=; b=EvPCPcEvEphlFm4vzCrED3mmJuyz5P3exj1vtXKjA5BDHBcTewltFvy66o4BOPEX8mz0kY rhEnfkbWToQg4L6QoDMvFRXwoTUGWwFn3deRY3BC2HrRqSzWS/u0M8ihvbzaM83vloTDjl +JfonB2rs1O5tFvPmSfj+u9sakL0xAzFBFWbLjeXqS9dnjSCDI1zzr2iBoUBnMiUxsIyYv SH3ITh28J/6HXzUkm3kEbDjz7JXTjKN3ENv4wf/cHFv5ptAyFgvQvDgHa7iYHJrSxCei5s aqFPjayZCyGU+6SsUlQox67BonrIV7Vwoa3eO0ZKvuaO+7aFoJl63rn68lV3Fg== Date: Mon, 24 Mar 2025 10:36:54 +0100 From: Dragan Simic To: Quentin Schulz Cc: linux-rockchip@lists.infradead.org, heiko@sntech.de, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, stable@vger.kernel.org, Alexey Charkov Subject: Re: [PATCH] arm64: dts: rockchip: Remove overdrive-mode OPPs from RK3588J SoC dtsi In-Reply-To: <960c038ad9f7b83fe14d0ded388b42f7@manjaro.org> References: <71b7c81b-6a4e-442b-a661-04d63639962a@cherry.de> <960c038ad9f7b83fe14d0ded388b42f7@manjaro.org> Message-ID: <460503eb831485ede9a49dcf226aef1b@manjaro.org> X-Sender: dsimic@manjaro.org Authentication-Results: ORIGINATING; auth=pass smtp.auth=dsimic@manjaro.org smtp.mailfrom=dsimic@manjaro.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250324_023658_321319_E6E36257 X-CRM114-Status: UNSURE ( 9.99 ) X-CRM114-Notice: Please train this message. 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