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=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 F321EC7618B for ; Thu, 25 Jul 2019 14:53:30 +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 C65E921734 for ; Thu, 25 Jul 2019 14:53:30 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="VHGdQoXC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C65E921734 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.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=M8OF+V4ao8kG/p6rVGsntKCQDwGdRDsrFez57HhrpFk=; b=VHGdQoXCaBozVf w9Ayoafg1f0cFFvu7YOW0J+d+N7ZIeu3SAwD2+fQ+e4JxFFCKA+ViyTJMdUU9xM1YeEVnP+rQP9jj jMz4TklPtMhkIvxi72jWZOBuWBhH5Gfm1HsgXG0jYkQkMTb7EUoDJRkNbQ77oLL/CKXK1TyECrR5s lu4XCSMV0NVY+HTOfEcSs6AWK+1m8L3GwmVS/Sr7W83wBa4LhVfbds5LeV9tjKPb5BuxWuwRLEYsQ X3hC6yMBBgbK08DhDUHIwNfvcN4N0b5sULdTVcVOsUH/pVXfxdnF7Y/ELd0E/t0I4pGB/gTHVA5Rf QagEFDDkgAEmHMmEZwXQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hqf7a-00017g-68; Thu, 25 Jul 2019 14:53:30 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hqf7X-00017F-9l for linux-arm-kernel@lists.infradead.org; Thu, 25 Jul 2019 14:53:28 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 136E728; Thu, 25 Jul 2019 07:53:24 -0700 (PDT) Received: from e123572-lin.arm.com (e123572-lin.cambridge.arm.com [10.1.194.48]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id B26E83F71F; Thu, 25 Jul 2019 07:53:22 -0700 (PDT) From: Kevin Brodsky To: linux-arm-kernel@lists.infradead.org Subject: [PATCH] arm64: dts: fast models: Increase clcd's max-memory-bandwidth Date: Thu, 25 Jul 2019 15:50:40 +0100 Message-Id: <20190725145040.42182-1-kevin.brodsky@arm.com> X-Mailer: git-send-email 2.22.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190725_075327_386366_4ACC1980 X-CRM114-Status: GOOD ( 11.65 ) 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, Pawel Moll , Ruben Ayrapetyan , Linus Walleij , Kevin Brodsky , Liviu Dudau , dri-devel@lists.freedesktop.org, Sudeep Holla , Brian Starkey Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org It may be desirable on certain platforms, such as Android, to use 32bpp buffers. Since there is no clear bandwidth limit for the CLCD component on the fast model, let's increase max-memory-bandwidth to allow using 32bpp buffers. Reported-by: Ruben Ayrapetyan Signed-off-by: Kevin Brodsky --- arch/arm64/boot/dts/arm/fvp-base-revc.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts index 687707020ec1..3aee49ed6d88 100644 --- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts +++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts @@ -269,7 +269,7 @@ motherboard { iofpga@3,00000000 { clcd@1f0000 { - max-memory-bandwidth = <130000000>; /* 16bpp @ 63.5MHz */ + max-memory-bandwidth = <260000000>; /* 32bpp @ 63.5MHz */ }; }; }; -- 2.22.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel