From patchwork Sun Oct 27 20:59:06 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 177867 Delivered-To: patch@linaro.org Received: by 2002:a92:409a:0:0:0:0:0 with SMTP id d26csp2539135ill; Sun, 27 Oct 2019 14:18:14 -0700 (PDT) X-Google-Smtp-Source: APXvYqxKYW2bCEs/uTBkd2hklyIXUJ7ge5r0UMv02NmxhkMS8t5D7kxHCZFhrA9Fv0KMurphjBwD X-Received: by 2002:a50:9993:: with SMTP id m19mr15895218edb.208.1572211094352; Sun, 27 Oct 2019 14:18:14 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1572211094; cv=none; d=google.com; s=arc-20160816; b=Bfw46VKMX87foB2/huthW7RYCkkQOLpO92PvGk5H3o6jqehl67gI6LjHBSBDzHonRi Je7jAUx1w4XwWvga4dDsRnfE+guQFqD36ohjyH31Miy38SMuyHQOmxfHwefHuFA1xd8u 6wrlSZFjlS9Jziy8hRaMCZ+RrcaR/8IJ9/n5mQiwmr0I7npY9gDSbHtjbd6Iu+VbCCxL +QQWDeVQeM27QE9233Y9fI5EpTBaNytarrEd3C3HID66AIHFsN+ktlgJ6gmOLw4lLYKu 4qTRWBI+s/VPr/Ij+yGnWM/5Nb6QoJuS/ITKOFnuutQjbYv2PeuG0GI/BRrj0sHXTcCj gQng== 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=Zzbc5iz/mrRovb+YzR1f6YEuFi3Vku1HjXQfibwE0iU=; b=yHWDNWEHw1X1gGltf2pseCC5HpELbfW8gqGYqJF7+vu8xyUCrXT/BLtqlsQXWCY3+A qxuaVfjC0uZzHT9HlhC5VJBEb94nIRg6psGEdv/PMgvmCbbZLYBLkh6iLroGsv0uQo0X z42ksjh4HeCtdoWcGVi+cuq8etzDP/e0GztQtz3eRsp2SE4eS7CoDlUtWc3a1X8/MRoK G2gVwqs/NrKFNgXVJCAv09cvkklVRUVkmjJm+6llBKBat/Bw30rhh8noWWmnI9ataoNd LKJzknACKQS0P4t/BKeFnx1+geupBYXYFcA12ORgbsjckHXEO2Po/5g0QR9kGFD3T3pI SYxg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=ZG1qERYu; 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 ot22si5187123ejb.166.2019.10.27.14.18.14; Sun, 27 Oct 2019 14:18:14 -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=ZG1qERYu; 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 S1731244AbfJ0VSN (ORCPT + 26 others); Sun, 27 Oct 2019 17:18:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:38274 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731224AbfJ0VSJ (ORCPT ); Sun, 27 Oct 2019 17:18:09 -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 957832070B; Sun, 27 Oct 2019 21:18:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572211089; bh=PEz+A1ZFdffm/td2VnnYZBRiY/aqbuwpzKlPWMlDIFU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZG1qERYuwkdQYOfBjxz569MXdu9v0V8Utl+dBo5us1JhxETbqkI5famF6RZh3D+uN uqex3RABHEICtnGo71gv+AFlMNZH9w08M/WWtrmaQV9HCSczxZ86oGr4Rz9X7yLjlK ddoWnHoOhlbPOwXTjaPXhAxGMId6eLzLeH6/hHGY= 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 5.3 028/197] ARM: dts: am4372: Set memory bandwidth limit for DISPC Date: Sun, 27 Oct 2019 21:59:06 +0100 Message-Id: <20191027203353.247217444@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191027203351.684916567@linuxfoundation.org> References: <20191027203351.684916567@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 848e2a8884e2c..14bbc438055fd 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -337,6 +337,8 @@ ti,hwmods = "dss_dispc"; clocks = <&disp_clk>; clock-names = "fck"; + + max-memory-bandwidth = <230000000>; }; rfbi: rfbi@4832a800 {