From patchwork Mon Sep 30 08:54:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tomi Valkeinen X-Patchwork-Id: 11166217 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7817813BD for ; Mon, 30 Sep 2019 08:55:24 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 47FD42086A for ; Mon, 30 Sep 2019 08:55:24 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="qk6kB2rK"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=ti.com header.i=@ti.com header.b="NkkPiC0o" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 47FD42086A Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=ti.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=wq38o/zRegFlYFFS3Jc7nih3ElEzPOhZL7/HqRf8ElI=; b=qk6kB2rKujeFjq XxlO7kTIBCzbJ9c5Ex0F99sSCRViR2VyOksmE4HbIl+kfIYFhqArXQVuhcnluBi7sjhdEjS4dcnqs +kbWs2ZidMfT/W4vCe+hSuatr6rjED4jhdU6vO6x7FZDZe19vEhhlNxbmFIOtUNJTUJiiEGfePYdI pwqzC3ptIWu8n5S7pmMGzpXVr/n8SnjEIMP0ie0ZYvaMLKncJUfitmsGdifrZlPnusd8taVTn0y1l 2JUfOFDtdghAJx76h+ySqG3RkGtPi001vzsgrAeiR8kcWwLmb3SjBeYqmDgyZcVz8Vdv5TaqT7UfR hrLoFoHgkP1bP6NclBrg==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.2 #3 (Red Hat Linux)) id 1iErSh-00067c-VD; Mon, 30 Sep 2019 08:55:19 +0000 Received: from fllv0016.ext.ti.com ([198.47.19.142]) by bombadil.infradead.org with esmtps (Exim 4.92.2 #3 (Red Hat Linux)) id 1iErSe-0005vV-Nu for linux-arm-kernel@lists.infradead.org; Mon, 30 Sep 2019 08:55:18 +0000 Received: from lelv0266.itg.ti.com ([10.180.67.225]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x8U8t5dT053713; Mon, 30 Sep 2019 03:55:05 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1569833705; bh=rf3p0mpknyXNKqDFr2VJXMEUyHQI3pZIFENgUY5jlAE=; h=From:To:CC:Subject:Date; b=NkkPiC0o4fC2jUMZn6VmpV+P8GX4hHTtt/mKPPGFslszY6B2nqQYfdGOmYryvKTLo /ZnoluhuhXP+kk/n6hy5s2OeBKnF9GsL7CX8guPsHlHbSztOq6Y0G4X5QjBnpZZMnc UBfLHm5K4PX/HOopNTwvR2FCkZgm7251cXkhOn2E= Received: from DFLE100.ent.ti.com (dfle100.ent.ti.com [10.64.6.21]) by lelv0266.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x8U8t54s079884 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 30 Sep 2019 03:55:05 -0500 Received: from DFLE109.ent.ti.com (10.64.6.30) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Mon, 30 Sep 2019 03:54:55 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE109.ent.ti.com (10.64.6.30) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Mon, 30 Sep 2019 03:54:55 -0500 Received: from deskari.lan (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x8U8t2tF012944; Mon, 30 Sep 2019 03:55:03 -0500 From: Tomi Valkeinen To: Tony Lindgren Subject: [PATCH] ARM: dts: am4372: Set memory bandwidth limit for DISPC Date: Mon, 30 Sep 2019 11:54:50 +0300 Message-ID: <20190930085450.15874-1-tomi.valkeinen@ti.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190930_015516_863010_91893864 X-CRM114-Status: UNSURE ( 9.08 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.142 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [198.47.19.142 listed in wl.mailspike.net] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, Peter Ujfalusi , Tomi Valkeinen , linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Peter Ujfalusi 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 --- 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 848e2a8884e2..14bbc438055f 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 {