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 X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4080CC43441 for ; Fri, 12 Oct 2018 08:14:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E5E512086A for ; Fri, 12 Oct 2018 08:14:00 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=openedev.com header.i=@openedev.com header.b="faTk2yBd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5E512086A Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=openedev.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-clk-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727370AbeJLPpQ (ORCPT ); Fri, 12 Oct 2018 11:45:16 -0400 Received: from se14t.web-hosting.com ([162.255.118.155]:39415 "EHLO se14t.web-hosting.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727151AbeJLPpP (ORCPT ); Fri, 12 Oct 2018 11:45:15 -0400 Received: from [68.65.123.203] (helo=server153.web-hosting.com) by se14.registrar-servers.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89) (envelope-from ) id 1gAsZv-0002gk-8s; Fri, 12 Oct 2018 01:13:53 -0700 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=openedev.com; s=default; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id:List-Help: List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=2qZ0yO314+uRs4ZbA83oirCC5ZHBaxebdR2ekB3ILwg=; b=faTk2yBd8y63+AZaQ325LU9TBC r6f5QyVre2O9bZ44J90aZN5K5ak6Jl9iB/LMrQacRAU7IVXe3wTw90WMpgH4TBqLK9j7Fs43ltNbt 0QAnPFvwG/HSAcyDHVDNfQMfRcAdvbDIFaUd5IPY6ucZBoyc/7gBGEQJFubh0plepXr4YHTiigfxB agCYvQxFHTMFR8EmeGWh4Vg+TIQHd0k55pfgZym0+B4aonM7H2dbkjElL93mcSPGEyao+5DAXOem6 z3L5oure/8pFmSB3xCf8qLXrnIs64ZTxdcWkt098IhL+CB2k+MARG9aWqCaFjw3MecBJVZ6mzj9Dj HTsVLhOQ==; Received: from [49.206.202.241] (port=26906 helo=[192.168.0.105]) by server153.web-hosting.com with esmtpsa (TLSv1.2:ECDHE-RSA-AES128-GCM-SHA256:128) (Exim 4.91) (envelope-from ) id 1gAsZm-000YtB-7V; Fri, 12 Oct 2018 04:13:39 -0400 Subject: Re: [linux-sunxi] [PATCH v2 04/29] clk: sunxi-ng: h6: Set video PLLs limits To: jernej.skrabec@siol.net, maxime.ripard@bootlin.com, wens@csie.org Cc: robh+dt@kernel.org, sboyd@kernel.org, airlied@linux.ie, architt@codeaurora.org, a.hajda@samsung.com, Laurent.pinchart@ideasonboard.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com References: <20181007093905.11253-1-jernej.skrabec@siol.net> <20181007093905.11253-5-jernej.skrabec@siol.net> From: Jagan Teki Message-ID: Date: Fri, 12 Oct 2018 13:43:32 +0530 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.9.1 MIME-Version: 1.0 In-Reply-To: <20181007093905.11253-5-jernej.skrabec@siol.net> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-OutGoing-Spam-Status: No, score=-1.0 X-Originating-IP: 68.65.123.203 X-SpamExperts-Domain: nctest.net X-SpamExperts-Username: whmcalls3 Authentication-Results: registrar-servers.com; auth=pass (login) smtp.auth=whmcalls3@nctest.net X-SpamExperts-Outgoing-Class: ham X-SpamExperts-Outgoing-Evidence: Combined (0.04) X-Recommended-Action: accept X-Filter-ID: EX5BVjFpneJeBchSMxfU5juFmNWEu6SyB6Z3v/YcWUN602E9L7XzfQH6nu9C/Fh9KJzpNe6xgvOx q3u0UDjvO0Ma0zdKrj2HeYAO9pcN4rBgaa/6KAnDjbDW9Kfk8S67gDyB0Rr1aZOu2ETJCAhr9S3r fSN/u6jRArqnnAHY5E1E7WTOeiZ4MjemyjrWlXGsg1zyK//lZ4OMrmWVGgeyEFrgjN4S98vuZk6s 966l0D98LN00Y2guNhbTSbk1sIe8Qm6kIVu+rxBu8P2UZI/wEczbg4Paoa3pNVQ0zl7t/+Usw8Yf HSKEcyFde+X1NeokD5ZjBdrsZwZr/AD9wOUz4wMEatvKUz7u+NpcIOQdEnbbKrxSQm1e9uGJRbp+ 9k98OHuIAN/6E+1uq7tSG4ule7FZJNoQSUtQavZXBMHwJDqECz8IchCpTqJR/6y9opO9+ahQJBc1 xG2YJhzEo8wVhTtwGuZ/lHIB5Gt/74l483IXh4zNAVnVvpa7M5YsBkWuTr4NNMqkNBPJ+YAVdi8q tzJByJtlZm1yp+JPqRscYisz/jwzTAXP4KD8tpS+tSW5XHRCtjlavhOv146mDmzfaPuh5vLVS/qg PHFUQxPCRtJQMI/HFl863YYQL153U+0thnSdHpdaEi2Mdvq4w78cs5KJr04DvaF6HJAzFkoVHWL/ v/tzqAvcnuxxqxvVM35DVa/Hj/lpqf8vwAdisrIBg9i/jMjCbN1nLKOgpWYnlOdkSCEqpL4zqxpZ xDy2HMG/CC/r/deZMNUsCgYG15N60Zrne/5jN+g8778EfDCT5bzxSpcIrAqlWdeOcUJ0iV+F3XLm xFz+88FWeB7miCnFrS+xkiYMmdOwRIKnLhTyDa4UjXwkRk5Bf8dTf2NBSVercYOXnSKFxqGFOfEA nhrlEtzLwEWH4m58mvCwqYpbpscMPcUiFO4CEpLcjvri0bLPSZBMZISYg+9loCdrbYZgp39q0aZI 3qbhXsaDdLgW9bp6Um4E1VNazAubIQ+pRdkk8aOFlVsjdobHyzXogHFjbimQBM6G/ipCLK4ExBgf aFMamUdylUIKhf3z2GAHxH7I7KkQ9dt+Q3emwFGW8BUdx5D5uPPCd7JFgVkNJfmV28uqGko4aoNZ cT3zVao7hCeTC4jRXBTI0Wm8mQBWUwW/gXEEUbt+jPDvR6B+v3NAvgHdA/4rLlu25SDn6o2Y3ssb AMCzYv3oPBOMGj2Io7rQzhEVniihuDwEGDcmr6e3OPSbtqx47FszAzgVV1IW31/JvkZiMlva+Irp Twh7O0Brub5yhGgOxeTaDBlsZLwak1EPwEjAXFmuLp47Ubsbxskt4hxgZV9hhu9eE3Htv+LRStPU 3PMjkDDa5G0wO0TCzxZT1TfaRDiRG7ESCBIWM99Kk8OBdTasq0gmGQXm0A+rYDE8KosCZrePVpG3 E/EabezjB8UXGeaJsVRBiPSjqCxmir6FA1AcsbSOTVuRhno45M3yKweSF1+OM2W9DF+TDcR0RJWK Xd8nTfUZZr07KnJX X-Report-Abuse-To: spam@se16.registrar-servers.com Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org On Sunday 07 October 2018 03:08 PM, Jernej Skrabec wrote: > Video PLL factors can be set in a way that final PLL rate is outside > stable range. H6 user manual specifically says that N factor should not > be below 12. While it doesn't says anything about maximum stable rate, it Manual says "In application, PLL_FACTOR_N should be more than or equal to 11" can't it be 11? > is clear that PLL doesn't work at 6.096 GHz (254 * 24 MHz). > > Set minimum allowed PLL video rate to 288 MHz (12 * 24 MHz) and maximum > to 2.4 GHz, which is maximum in BSP driver. Is this max freq from here [1] [1] https://github.com/Allwinner-Homlet/H6-BSP4.9-linux/blob/master/drivers/clk/sunxi/clk-sun50iw6.c#L164