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 A04B6C47404 for ; Wed, 9 Oct 2019 17:26:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6F9AB20679 for ; Wed, 9 Oct 2019 17:26:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570642005; bh=5GkXiogEjh0gXaUB168ghFLY0SN5YJns/jSqnDuxvFc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OmJPma4P95lOhigwI4+XHoB4PdvfXxBytBqb9oua0CLgftr6EiLtvhW84gDgKwFN9 slDDiAjH/q4X+lya4N256nb7LgDQOM82uMRQ5leq230hKmTRexQtTWHzpVyVFXqMIj rYx9BGCSwhZIxxgpzAZHLo0pGMFTGGnPajgrye5Q= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732245AbfJIRYf (ORCPT ); Wed, 9 Oct 2019 13:24:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:49058 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732314AbfJIRY0 (ORCPT ); Wed, 9 Oct 2019 13:24:26 -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 4C90A21D82; Wed, 9 Oct 2019 17:24:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570641866; bh=5GkXiogEjh0gXaUB168ghFLY0SN5YJns/jSqnDuxvFc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=w+/NUk9dAzBUB3U6Y/fkWjfZdXIL+VsOxz/AbC5Wiz3/227vW2LgYx9KmRu8AXCaw YhFl94GkW4vAwH3YeepqYRmFHWKxJZREE6ckX9kz1e1jS6sOpMob7HGmCRaMAzJFcX zogRjCvwhgpBfwYkytT0Xv2Q0vunDBLmplF9nDvA= 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 4.14 09/21] ARM: dts: am4372: Set memory bandwidth limit for DISPC Date: Wed, 9 Oct 2019 13:06:02 -0400 Message-Id: <20191009170615.32750-9-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191009170615.32750-1-sashal@kernel.org> References: <20191009170615.32750-1-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 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 { -- 2.20.1