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=-0.8 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no 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 D5607C32792 for ; Mon, 30 Sep 2019 13:39:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A0B042086A for ; Mon, 30 Sep 2019 13:39:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=goldelico.com header.i=@goldelico.com header.b="eLrsf/U6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731297AbfI3NjB (ORCPT ); Mon, 30 Sep 2019 09:39:01 -0400 Received: from mo4-p01-ob.smtp.rzone.de ([85.215.255.50]:32100 "EHLO mo4-p01-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726314AbfI3NjB (ORCPT ); Mon, 30 Sep 2019 09:39:01 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; t=1569850738; s=strato-dkim-0002; d=goldelico.com; h=To:References:Message-Id:Cc:Date:In-Reply-To:From:Subject: X-RZG-CLASS-ID:X-RZG-AUTH:From:Subject:Sender; bh=/cU1GThaHWVMVBPXz7oa2Qdh8Oy/K7aL/RC4Cd4MOGc=; b=eLrsf/U6eQR8Mi0M55p9b4d4SPzDz+ZHp3mdhhqgEGheD6v/mEIX1i8ghDEkMHc1+i oS3eRZbzyPLNnWygfTa+HtbgOauJdLjbPg0dxi604gJ04BISd8dEyLZRk/mLptBgz8RN mvW89TQhDAk83lu3qw0MOZvCgpfjiTNP4uHf/1GqhJOyRKndRWMSeNzSmLSNfeNUYiOW cY/vzvPdtMcMQPuRJCZ8tozpBfgcHhX+RsORLVWUpOK7er3Q13uY9RP8oJqkhude+q1x XNjwc3vBqJNBDMUa6bP+jLexY9aiQbzOZBRwdXVqLdkTlGgbqmurkubaTaplf94+Ghx1 xcWg== X-RZG-AUTH: ":JGIXVUS7cutRB/49FwqZ7WcJeFKiMgPgp8VKxflSZ1P34KBj5Qpw97WFDlaZXA0Ji18=" X-RZG-CLASS-ID: mo00 Received: from imac.fritz.box by smtp.strato.de (RZmta 44.28.0 DYNA|AUTH) with ESMTPSA id v00409v8UDcpSJN (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (curve secp521r1 with 521 ECDH bits, eq. 15360 bits RSA)) (Client did not present a certificate); Mon, 30 Sep 2019 15:38:51 +0200 (CEST) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Mac OS X Mail 9.3 \(3124\)) Subject: Re: [PATCH] drm/omap: Migrate minimum FCK/PCK ratio from Kconfig to dts From: "H. Nikolaus Schaller" In-Reply-To: Date: Mon, 30 Sep 2019 15:38:51 +0200 Cc: Tomi Valkeinen , Adam Ford , Tony Lindgren , Linux-OMAP , Adam Ford , =?utf-8?Q?Beno=C3=AEt_Cousson?= , dri-devel , devicetree , Linux Kernel Mailing List Content-Transfer-Encoding: quoted-printable Message-Id: References: <20190510194229.20628-1-aford173@gmail.com> <7ada0752-6f65-2906-cb29-a47c9490fd57@ti.com> <845055e2-8182-de74-2077-629fdf50ac6c@ti.com> <854f6130-c8a8-81cb-aa76-4830f218ae54@ti.com> <0473526e-df0a-94a5-5c22-debd0084ab16@ti.com> <36369388-e9c8-22cd-8c19-e2bdf2d0389b@ti.com> <23eba53a-9304-2ceb-d97e-01891ec0b3ed@ti.com> To: Tero Kristo X-Mailer: Apple Mail (2.3124) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Am 30.09.2019 um 10:53 schrieb Tero Kristo : >=20 > The best action here is probably to drop the max-div value for this = clock to 16. Can someone check this with their display setup and see = what happens? Attached patch should do the trick. I have checked on GTA04 and OpenPandora (DM3730 resp. OMAP3430) and did = not notice a negative effect. (Well, we never see the problem that is discussed here and have built = with CONFIG_OMAP2_DSS_MIN_FCK_PER_PCK=3D0). BR, Nikolaus