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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 2EC66C47404 for ; Wed, 9 Oct 2019 17:30:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0753B21848 for ; Wed, 9 Oct 2019 17:30:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570642252; bh=2dUNRIy0dla7Y0wuoEdvjGO01rJ2UMAR+njUmoJQ62I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=SPEc5veM5j9uvB09ns8ZzIjjsGDg1JQicJcqt5HBeoS1CIwuBhI98TSBshThTvq+Y FQlPhH2pgGlK6OfO1/G3oufs/0rkZaz3L7HysUzZlR4TzvZF9KLSwzeuYBZ19QFH+4 Qp+AORfoczWRnvPWup1+VR2BvUeXX41KEHZoEsjI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732479AbfJIRau (ORCPT ); Wed, 9 Oct 2019 13:30:50 -0400 Received: from mail.kernel.org ([198.145.29.99]:48592 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732126AbfJIRYH (ORCPT ); Wed, 9 Oct 2019 13:24:07 -0400 Received: from sasha-vm.mshome.net (unknown [167.220.2.234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 12FDD21D71; Wed, 9 Oct 2019 17:24:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570641847; bh=2dUNRIy0dla7Y0wuoEdvjGO01rJ2UMAR+njUmoJQ62I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WHn8Jzf++VBGK54uQy0ZSE2C9A5VRs0CVDVYOZL57ETZSTOuRRWh3Xb/B7G1FQvRm uqZ5/kc3a5HGD0Rm4iQgo6+UlzhYaxZ6ejGhP9DfmSSsQ8AvNKrqjM11a//hTl+ZDH v90oyhHrZGo6PupFQwScr3Zqf9t+JLS0mhGpgzDA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Peter Ujfalusi , Tomi Valkeinen , Tony Lindgren , Sasha Levin , linux-omap@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 4.19 11/26] ARM: dts: am4372: Set memory bandwidth limit for DISPC Date: Wed, 9 Oct 2019 13:05:43 -0400 Message-Id: <20191009170558.32517-11-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191009170558.32517-1-sashal@kernel.org> References: <20191009170558.32517-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit 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(+) diff --git a/arch/arm/boot/dts/am4372.dtsi b/arch/arm/boot/dts/am4372.dtsi index d4b7c59eec685..cf1e4f747242f 100644 --- a/arch/arm/boot/dts/am4372.dtsi +++ b/arch/arm/boot/dts/am4372.dtsi @@ -1142,6 +1142,8 @@ ti,hwmods = "dss_dispc"; clocks = <&disp_clk>; clock-names = "fck"; + + max-memory-bandwidth = <230000000>; }; rfbi: rfbi@4832a800 { -- 2.20.1