From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:59266 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161094AbbISRi6 (ORCPT ); Sat, 19 Sep 2015 13:38:58 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Hyungwon Hwang , Krzysztof Kozlowski Subject: [PATCH 4.1 094/102] ARM: dts: fix clock-frequency of display timing0 for exynos3250-rinato Date: Sat, 19 Sep 2015 10:28:46 -0700 Message-Id: <20150919171749.688024358@linuxfoundation.org> In-Reply-To: <20150919171745.474069671@linuxfoundation.org> References: <20150919171745.474069671@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Sender: stable-owner@vger.kernel.org List-ID: 4.1-stable review patch. If anyone has any objections, please let me know. ------------------ From: Hyungwon Hwang commit 65e3293381e1cf1abcfe1aa22b914650a40e3af4 upstream. After the commit abc0b1447d49 ("drm: Perform basic sanity checks on probed modes"), proper clock-frequency becomes mandatory for validating the mode of panel. The display does not work if there is no mode validated. Also, this clock-frequency must be set appropriately for getting required frame rate. Fixes: abc0b1447d49 ("drm: Perform basic sanity checks on probed modes") Signed-off-by: Hyungwon Hwang Signed-off-by: Krzysztof Kozlowski Sigend-off-by: Kukjin Kim Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/exynos3250-rinato.dts | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/arch/arm/boot/dts/exynos3250-rinato.dts +++ b/arch/arm/boot/dts/exynos3250-rinato.dts @@ -181,7 +181,7 @@ display-timings { timing-0 { - clock-frequency = <0>; + clock-frequency = <4600000>; hactive = <320>; vactive = <320>; hfront-porch = <1>;