From patchwork Sun Oct 27 20:59:43 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: 177829 Delivered-To: patch@linaro.org Received: by 2002:a92:409a:0:0:0:0:0 with SMTP id d26csp2530698ill; Sun, 27 Oct 2019 14:08:15 -0700 (PDT) X-Google-Smtp-Source: APXvYqzB2J0cF2Ghatbeyw3Mn+OuXN76zlHf+Tsvok+5sKPVxOFa89+E6B9r3Gp3jWNRYgsCb17E X-Received: by 2002:a50:a69b:: with SMTP id e27mr14733285edc.188.1572210495581; Sun, 27 Oct 2019 14:08:15 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1572210495; cv=none; d=google.com; s=arc-20160816; b=jz1clhpq2Ey91bnNsvD3kqAIrOWboccmuHGESB4Jv8/D7JL3HfZCNhFYNc4nCMEKK3 lM8AJwUZwXBmV485tqvO7RxDNMOLsONGRBeSuAh8Jpol3/mBemq/v88L1oANIHVLpKdn eseaYDhvbB+oxm8UeFy1R+8tFAudw8lgo0Xe8uFIaXYAPvvuCLj6C6Y66y9HtQXeI4Bg S5fYe7w7vcZZSx9BxuQfnSEZkkaZ0H5QUlMuiqso+4NoZVXgRKDlVLD68Ro8KbdG7Ylm AC1h80k7k6Q/l9BBCCjKqk3/FsVHI0bzB9EgzgUrONbksqyTqzQxRb9BHS5Wkzwai6dQ T7ZQ== 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=vW/84llUOyz93juMKBrvrox05C/9m/7V1VYMjKoHKFU=; b=y7DnUL4BZRKrEYUAWgDcp5n7p5SSPGp72dxVhdbvIQHAFKXSCusC2V3GfuvlCdqIBL qUeEMH/IBva2jl1bKBxiMGy+vQtlEPeAdIjidxj3WpYElBPuDkzMsoFef7e9NQHVIZP9 5lBeeaoX6O2TPHiQEJJVEI3t3uoMmToImmz9BAMBk90Zb80aEgVVdn2yfdkfy6x9iVV6 SMaT5TvUsU+ZLNRIBEuE1qYOKD2P7gjhL0vCoeDPP4JIr89oflfyWTNt68DZ1cvsIqC3 7xz19ww4Y2fb7Wus+Smki71iWtceju82GunvXT4oaIbrmdQH75oRq4xUFMZvSXsY+AQs rpFg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=jhrmqyex; 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 u10si5244788ejt.282.2019.10.27.14.08.15; Sun, 27 Oct 2019 14:08:15 -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=jhrmqyex; 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 S1729342AbfJ0VIN (ORCPT + 26 others); Sun, 27 Oct 2019 17:08:13 -0400 Received: from mail.kernel.org ([198.145.29.99]:54388 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729335AbfJ0VIL (ORCPT ); Sun, 27 Oct 2019 17:08:11 -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 B6B91208C0; Sun, 27 Oct 2019 21:08:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572210491; bh=5GkXiogEjh0gXaUB168ghFLY0SN5YJns/jSqnDuxvFc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jhrmqyexcJTLbNix83xO6lvcESzU/Gl4CrwiHtsUNk/Ki/tF/scQp1T8+SK/U46nc EdtIEMFEqD/OuuK/SMcruBdAlYuzHIAk17QQoJM1w9maicL4bd1yWxhAogWwr4gc0g ErrripzxRLgLamaoCJPJjb56ceXq0eB7tm5JZLgo= 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 4.14 006/119] ARM: dts: am4372: Set memory bandwidth limit for DISPC Date: Sun, 27 Oct 2019 21:59:43 +0100 Message-Id: <20191027203301.111830911@linuxfoundation.org> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191027203259.948006506@linuxfoundation.org> References: <20191027203259.948006506@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 4714a59fd86df..345c117bd5ef5 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -1118,6 +1118,8 @@ ti,hwmods = "dss_dispc"; clocks = <&disp_clk>; clock-names = "fck"; + + max-memory-bandwidth = <230000000>; }; rfbi: rfbi@4832a800 {