From patchwork Thu Sep 26 04:50:18 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sachin Kamat X-Patchwork-Id: 2946531 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 AA12DBFF05 for ; Thu, 26 Sep 2013 04:50:41 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id DAFC020278 for ; Thu, 26 Sep 2013 04:50:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0DA0720272 for ; Thu, 26 Sep 2013 04:50:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751056Ab3IZEuj (ORCPT ); Thu, 26 Sep 2013 00:50:39 -0400 Received: from mail-pa0-f48.google.com ([209.85.220.48]:39211 "EHLO mail-pa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750999Ab3IZEuj (ORCPT ); Thu, 26 Sep 2013 00:50:39 -0400 Received: by mail-pa0-f48.google.com with SMTP id bj1so765472pad.21 for ; Wed, 25 Sep 2013 21:50:38 -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:in-reply-to :references; bh=8gOg6eQsLNHE7j3JMpP4txpMn1gymT9AOr6dbjtYups=; b=Qz5HtToPCFMYaDCcqYbfruuqRSpQEpELqjPS3oJh3uTpOHKiLumBJga1cKWxW/7BS1 tj61Ck3iydgbLDf9M2H7Jnfz40FIFREz95h5E4aqSynbLIOtbRHTQvqhYPtYn+WtIXmz p/gcIh+aOHPr6Aku3V6B8K6h8bh9VuJK/jFQnSnuKSLYZs64wiZpt9wa5qE5gevPddr4 g2IZQJ0sYCh9Uwtm6htPev8LxzuZk/nGQ9aLpaopn+TcHLyZuuRRVPkGeYtte2z1EmZU fEsbVLCp6S5biEz1P+X9vXWQfRyoEfYrW8td9w2r2uBE1q3TPh9gWDLcjnBOfvhSW/Uv bqXQ== X-Gm-Message-State: ALoCoQkn/bWUoRYYmRULYHj/MKbw+BOJ/aJAFmjY6lPU0RD0fcCQsUMABRdqzQqaesha7z8MUszS X-Received: by 10.68.130.1 with SMTP id oa1mr27224757pbb.35.1380171038893; Wed, 25 Sep 2013 21:50:38 -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 21:50:38 -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 2/2] ARM: dts: Update display clock frequency for Origen-4412 Date: Thu, 26 Sep 2013 10:20:18 +0530 Message-Id: <1380171018-24229-2-git-send-email-sachin.kamat@linaro.org> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1380171018-24229-1-git-send-email-sachin.kamat@linaro.org> References: <1380171018-24229-1-git-send-email-sachin.kamat@linaro.org> 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 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: Sachin Kamat --- arch/arm/boot/dts/exynos4412-origen.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4412-origen.dts b/arch/arm/boot/dts/exynos4412-origen.dts index 8768b03..923bcd7 100644 --- a/arch/arm/boot/dts/exynos4412-origen.dts +++ b/arch/arm/boot/dts/exynos4412-origen.dts @@ -152,7 +152,7 @@ display-timings { native-mode = <&timing0>; timing0: timing { - clock-frequency = <50000>; + clock-frequency = <47500000>; hactive = <1024>; vactive = <600>; hfront-porch = <64>;