From patchwork Thu Jul 25 14:50:40 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Brodsky X-Patchwork-Id: 11059027 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 33DD71398 for ; Thu, 25 Jul 2019 14:53:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 20FD22874B for ; Thu, 25 Jul 2019 14:53:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1517E28817; Thu, 25 Jul 2019 14:53:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B6EC1289BD for ; Thu, 25 Jul 2019 14:53:30 +0000 (UTC) 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 1hqf7Z-00017g-Rz; Thu, 25 Jul 2019 14:53:29 +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 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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 */ }; }; };