From patchwork Thu Sep 26 04:50:17 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sachin Kamat X-Patchwork-Id: 2946521 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 73DD7BFF05 for ; Thu, 26 Sep 2013 04:50:39 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 9EA6C20278 for ; Thu, 26 Sep 2013 04:50:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6767A20272 for ; Thu, 26 Sep 2013 04:50:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751018Ab3IZEuh (ORCPT ); Thu, 26 Sep 2013 00:50:37 -0400 Received: from mail-pd0-f177.google.com ([209.85.192.177]:39446 "EHLO mail-pd0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750891Ab3IZEug (ORCPT ); Thu, 26 Sep 2013 00:50:36 -0400 Received: by mail-pd0-f177.google.com with SMTP id y10so614157pdj.8 for ; Wed, 25 Sep 2013 21:50:36 -0700 (PDT) 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; bh=xScjLgePiAC8YI7bQ4gAji758FI1zQ78Nq8RHhoyGx0=; b=biZvGWNB7UbCOVRYjT5N1lWKm2yoajC0FY2u/yqs6SUq/wIKCILkhEonBRnc31tidP urBHUl1iZOXVncQPjjO/0GLhOJqYbSiucvaYhwSYfZ/MffZ2TU8LuWsH6A8/FWtar0yI lH5Bm2U0UQ1pAYpi5OLEIKx9uHQC2pW2TzQ9kxIl4qDT/k2k+oNrL4pYFgz3ey98Qjib zq8S/+aXatbavVZ8d1dHGBGv/kjxgMVj2sltbcYowxGmblD3+INiFMfmBNXv+QNEfT5P 3RW84IIlB05y4gNVEOncs9n0lPrR2uhIrwuUBppCf6W4aJL0z6RGwefFnu/fAvghGT5E HMcA== X-Gm-Message-State: ALoCoQkdkB41x/q7EGctN/1dmlH7MHPGLHCIlWtoyvxXKWZToE6fSpXd2R87Id+Kj1BOtzheWXrY X-Received: by 10.68.238.104 with SMTP id vj8mr15765320pbc.149.1380171036106; Wed, 25 Sep 2013 21:50:36 -0700 (PDT) Received: from linaro.sisodomain.com ([115.113.119.130]) by mx.google.com with ESMTPSA id ve9sm51487671pbc.19.1969.12.31.16.00.00 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 25 Sep 2013 21:50:35 -0700 (PDT) From: Sachin Kamat To: linux-samsung-soc@vger.kernel.org Cc: kgene.kim@samsung.com, tushar.behera@linaro.org, sachin.kamat@linaro.org, patches@linaro.org Subject: [PATCH 1/2] ARM: dts: Update display clock frequency for Origen-4210 Date: Thu, 26 Sep 2013 10:20:17 +0530 Message-Id: <1380171018-24229-1-git-send-email-sachin.kamat@linaro.org> X-Mailer: git-send-email 1.7.9.5 Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-9.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Tushar Behera As per the timing information for supported panel, the value should be between 47.2 MHz to 47.9 MHz for 60Hz refresh rate. Total horizontal pixels = 1024 (x-res) + 80 (margin) + 48 (hsync) = 1152 Total vertical pixels = 600 (y-res) + 80 (margin) + 3 (vsync) = 653 Target pixel clock rate for refresh rate @60 Hz = 1152 * 653 * 60 = 47208960 Hz ~ 47.5 MHz Signed-off-by: Tushar Behera Signed-off-by: Sachin Kamat --- arch/arm/boot/dts/exynos4210-origen.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4210-origen.dts b/arch/arm/boot/dts/exynos4210-origen.dts index 382d8c7..6906e8a 100644 --- a/arch/arm/boot/dts/exynos4210-origen.dts +++ b/arch/arm/boot/dts/exynos4210-origen.dts @@ -301,7 +301,7 @@ display-timings { native-mode = <&timing0>; timing0: timing { - clock-frequency = <50000>; + clock-frequency = <47500000>; hactive = <1024>; vactive = <600>; hfront-porch = <64>;