From patchwork Sun Oct 27 21:00:43 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg KH X-Patchwork-Id: 177828 Delivered-To: patch@linaro.org Received: by 2002:a92:409a:0:0:0:0:0 with SMTP id d26csp2528623ill; Sun, 27 Oct 2019 14:05:56 -0700 (PDT) X-Google-Smtp-Source: APXvYqyzhLB4P7sDwzmEMGfcuxnMoF/JOOxtt9KJdyOUJ4CRj3qNNdrck5VzLV8isFzHf90IBlyZ X-Received: by 2002:a50:ff19:: with SMTP id a25mr16023079edu.181.1572210356348; Sun, 27 Oct 2019 14:05:56 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1572210356; cv=none; d=google.com; s=arc-20160816; b=aBXlQx6zIYiQh2FYZMfHLxASD6KGus5E7WlsMwbme6KjG8w5VSLm2m2taAixnmPWpC k36mNSyozaAS/KxGZKUV4Wk+gghxXsYORDM5YJsVYL9FNm0tsr70lc1iwszV+o1jA0aI GRhFgxDQ6ewOkeeaKfe4PIPesSrAMizahexS8wuAmjiBMmKBKTG26q07G0XPG1HCJ0mn z5Q3EY25zsdz5uXQgnq41tPU+PGnVYeu5Jg1ET7aTiTZB0tXfUdnEjw1cRampZmqr9no Txgqfsm37vRclTtJvI8xfWHIUfRCixDCe+fgOEuO4pXUYvplyV/bC88yYhKwXYmctkQm sAvg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=GshsVSTUK3aThMabx6VMZI+hxVe75/1jCxCY7FsQsGk=; b=u/JRef03XnGwj1wNd5qH2+CN31PJCHicOj5nKqG1SB5xu3imu+192LOFFX1ddw3L4s Mo7FL35pO6KuSvSrKD2iQC7BARpXvOihRwRNVHx3J3IScSMCRCftTMAEaqfr952KHfze VUaXmNR3The2WBkamYjaa1czmrkA4oQYTK6ysLsP+auGrrErnO8pw9ycrQI3ba8o2vNC 0B79M/KySwDoIJ1cfy+ByZJ06AHy4Yey1SWTsFSpSVw28SsfQ3FuARW0tSvgV9T8qpv5 OYoWYKRiSxKFbW0vVvBDHlXlfgyrKWpTs0+mGjkjmCR2bKrXWSVXttq3itcuhF/4odYr q/ew== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=aW8RnGzo; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id x1si5009060eju.296.2019.10.27.14.05.55; Sun, 27 Oct 2019 14:05:56 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=aW8RnGzo; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728916AbfJ0VFy (ORCPT + 26 others); Sun, 27 Oct 2019 17:05:54 -0400 Received: from mail.kernel.org ([198.145.29.99]:51690 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728903AbfJ0VFu (ORCPT ); Sun, 27 Oct 2019 17:05:50 -0400 Received: from localhost (100.50.158.77.rev.sfr.net [77.158.50.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 3666E2064A; Sun, 27 Oct 2019 21:05:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572210348; bh=ssAzw6BWhGL2G6UWNKMpXMhinAanx/MjgAnixJgzSCs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aW8RnGzonDuxSUefqEYwRAxnpDw8lDPfJHye5banmbXcTm/MPmSOG7O2PSJZgVwWD hMhrbnp9cUdZVV7jUudeb/Li3visYDCoHKNdiHtC5l4ABFYW5efZ1lu/9xcm3HcANm Cx1lvieGnO6s4yblucQTg6VSdW+4wf8C/rRREGYU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Peter Ujfalusi , Tomi Valkeinen , Tony Lindgren , Sasha Levin Subject: [PATCH 4.9 05/49] ARM: dts: am4372: Set memory bandwidth limit for DISPC Date: Sun, 27 Oct 2019 22:00:43 +0100 Message-Id: <20191027203123.017822699@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191027203119.468466356@linuxfoundation.org> References: <20191027203119.468466356@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Peter Ujfalusi [ Upstream commit f90ec6cdf674248dcad85bf9af6e064bf472b841 ] Set memory bandwidth limit to filter out resolutions above 720p@60Hz to avoid underflow errors due to the bandwidth needs of higher resolutions. am43xx can not provide enough bandwidth to DISPC to correctly handle 'high' resolutions. Signed-off-by: Peter Ujfalusi Signed-off-by: Tomi Valkeinen Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin --- arch/arm/boot/dts/am4372.dtsi | 2 ++ 1 file changed, 2 insertions(+) -- 2.20.1 diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index c9c9a47446e8e..56224aa5e83ee 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -1117,6 +1117,8 @@ ti,hwmods = "dss_dispc"; clocks = <&disp_clk>; clock-names = "fck"; + + max-memory-bandwidth = <230000000>; }; rfbi: rfbi@4832a800 {