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=-9.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 46FD7CA9EAF for ; Sun, 27 Oct 2019 21:05:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0EA9720873 for ; Sun, 27 Oct 2019 21:05:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1572210356; bh=ssAzw6BWhGL2G6UWNKMpXMhinAanx/MjgAnixJgzSCs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bGdtDo47gs0jKRT/N/8zwrv/aszqppyJ5+kjhP48YfcxwRCdrPXwH91HTxlevkOs2 weRcEgjv7aqAVZzu8uwlnEfw97LCph8IYCHiEfsOPzPnRMvgeBUQjGKEmKVowgrlJA P2vJvUOrcvuBvuxrbUbwB1CodVdvqikeQu7NQifY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728916AbfJ0VFy (ORCPT ); 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 Content-Type: text/plain; charset=UTF-8 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 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 { -- 2.20.1