From patchwork Tue Dec 13 10:09:19 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bartosz Golaszewski X-Patchwork-Id: 9472009 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id CC71D60476 for ; Tue, 13 Dec 2016 10:13:06 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id ADA08284D2 for ; Tue, 13 Dec 2016 10:13:06 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A270F284FE; Tue, 13 Dec 2016 10:13:06 +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=-4.1 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 41865284D2 for ; Tue, 13 Dec 2016 10:13:06 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.85_2 #1 (Red Hat Linux)) id 1cGk3J-0003s0-CG; Tue, 13 Dec 2016 10:11:17 +0000 Received: from mail-wj0-x235.google.com ([2a00:1450:400c:c01::235]) by bombadil.infradead.org with esmtps (Exim 4.85_2 #1 (Red Hat Linux)) id 1cGk22-00025b-JV for linux-arm-kernel@lists.infradead.org; Tue, 13 Dec 2016 10:10:00 +0000 Received: by mail-wj0-x235.google.com with SMTP id xy5so95851324wjc.0 for ; Tue, 13 Dec 2016 02:09:38 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=SKBcHtbJQJ7cPM7qRt2XEaoq2qJcb1GLqDRHrbvkAac=; b=VlzARh7RbXYKwgv/8IAyB+G1Jb2rsedJj7sO7VQwSaz73mukb5xdXgZLkYEKVvkaLj +ouEHIbEl4/oKIAiPh/DZJ22lQvw/sshDvxC5XCV/yqAta9gOkrsUrMF7+w2iw8xBcZ6 DHrjnsqNOzRIEc7ZSU1XIt3T8889a09RfCpB6FDMyYNsFtuDrMVP7xoMz5yxDpoGFojg m4UZDnNJEd6K+Iwq4InuElaCj5zFUpUlwrWyYmQJLOfb9FE90Qq+ExytzBikeoJ8F4+H DrzAB5J6LwVRc5ELZMwj4m8OjovS8Jp7o6uZZt//DcO2PaTDzg6yyMsfo6Fv532zevqJ BJcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=SKBcHtbJQJ7cPM7qRt2XEaoq2qJcb1GLqDRHrbvkAac=; b=Zek0nVfJTG39eIW/Wworpzs5F4UQ2jLmwHAPe7gsXByLx42Xrf6UCUMcVc8RRmDDpp 619cQ7bpow/llPlyWKFBWvLMZwc7kEiGUXoMP4Lbj+oHJ/WI9DA/sWWli0irMxCWOQjd Wih975bvVV3leAKL/jyDjepT9ElGFi/Flko1Tezc5QFARc+8XetkO/ZJvLwtclSHFw0w E1w+khWYDhaMwsN3qy3FzJjvplr5NjmZn2K+anCyCMXHKpvm57GF2GzZr6pVHeTI9SvH cVHWlJe8iAQ9dGuj5RgIUinZjFD9RlRkh1swHBzbAS+tDDpmwISgl8FPEYcq3NPJDG9E S+Sg== X-Gm-Message-State: AKaTC000mv5431KUPP5Wcj48Aky+mSuh+hxvLi6ECiLOe7Jh0khpoOE6VaAlJUs0ZxGCPq3h X-Received: by 10.194.109.65 with SMTP id hq1mr56466458wjb.37.1481623776673; Tue, 13 Dec 2016 02:09:36 -0800 (PST) Received: from localhost.localdomain ([90.63.244.31]) by smtp.gmail.com with ESMTPSA id 138sm1808513wms.20.2016.12.13.02.09.35 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Tue, 13 Dec 2016 02:09:36 -0800 (PST) From: Bartosz Golaszewski To: Jyri Sarha , Tomi Valkeinen , David Airlie , Kevin Hilman , Michael Turquette , Sekhar Nori , Rob Herring , Frank Rowand , Mark Rutland , Laurent Pinchart , Peter Ujfalusi , Russell King , Maxime Ripard Subject: [PATCH v7 5/5] ARM: dts: da850: specify the maximum pixel clock rate for tilcdc Date: Tue, 13 Dec 2016 11:09:19 +0100 Message-Id: <1481623759-12786-6-git-send-email-bgolaszewski@baylibre.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1481623759-12786-1-git-send-email-bgolaszewski@baylibre.com> References: <1481623759-12786-1-git-send-email-bgolaszewski@baylibre.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20161213_020958_949030_B55520CB X-CRM114-Status: GOOD ( 11.05 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-devicetree , linux-drm , LKML , arm-soc , Bartosz Golaszewski MIME-Version: 1.0 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 At maximum CPU frequency of 300 MHz the maximum pixel clock frequency is 37.5 MHz[1]. We must filter out any mode for which the calculated pixel clock rate would exceed this value. Specify the max-pixelclock property for the display node for da850-lcdk. [1] http://processors.wiki.ti.com/index.php/OMAP-L1x/C674x/AM1x_LCD_Controller_(LCDC)_Throughput_and_Optimization_Techniques Signed-off-by: Bartosz Golaszewski --- arch/arm/boot/dts/da850.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 6b0ef3d..58b1566 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -462,6 +462,7 @@ compatible = "ti,da850-tilcdc"; reg = <0x213000 0x1000>; interrupts = <52>; + max-pixelclock = <37500>; status = "disabled"; }; };