From patchwork Thu Nov 1 10:23:34 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingoo Han X-Patchwork-Id: 1684271 Return-Path: X-Original-To: patchwork-linux-fbdev@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 5837FE003B for ; Thu, 1 Nov 2012 10:23:37 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759476Ab2KAKXg (ORCPT ); Thu, 1 Nov 2012 06:23:36 -0400 Received: from mailout3.samsung.com ([203.254.224.33]:40780 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759111Ab2KAKXg (ORCPT ); Thu, 1 Nov 2012 06:23:36 -0400 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MCT00AUG0VA95X0@mailout3.samsung.com> for linux-fbdev@vger.kernel.org; Thu, 01 Nov 2012 19:23:35 +0900 (KST) X-AuditID: cbfee61b-b7f616d00000319b-19-50924da77260 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm2.samsung.com (EPCPMTA) with SMTP id E2.3A.12699.7AD42905; Thu, 01 Nov 2012 19:23:35 +0900 (KST) Received: from DOJG1HAN02 ([12.23.120.99]) by mmp2.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MCT0091H0VBWS10@mmp2.samsung.com> for linux-fbdev@vger.kernel.org; Thu, 01 Nov 2012 19:23:35 +0900 (KST) From: Jingoo Han To: 'Florian Tobias Schandinat' Cc: linux-fbdev@vger.kernel.org, 'Sean Paul' , 'Jingoo Han' References: <011d01cdb81a$4914c1d0$db3e4570$%han@samsung.com> In-reply-to: <011d01cdb81a$4914c1d0$db3e4570$%han@samsung.com> Subject: [PATCH v3 6/8] video: exynos_dp: Remove sink control to D0 Date: Thu, 01 Nov 2012 19:23:34 +0900 Message-id: <012201cdb81a$f3117340$d93459c0$%han@samsung.com> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-transfer-encoding: 7bit X-Mailer: Microsoft Office Outlook 12.0 Thread-index: Ac24Gkjta+Tb9VxGTiWIp02dvaPqfwAAJK8Q Content-language: ko X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrJLMWRmVeSWpSXmKPExsVy+t9jQd3lvpMCDKY/4bM40feB1YHR4/Mm uQDGKC6blNSczLLUIn27BK6M67PZCy5xVNyYtZu9gXEVexcjJ4eEgInE4vdP2CBsMYkL99aD 2UIC0xkl5j2T7mLkArJnMUksmnwDLMEmoCbx5cthoGYODhEBK4lNWzVBTGaBLInTxxQgWm0l 1rV8YgSxOQXsJFofNjGB2MICzhJTvswAs1kEVCUO3v0KNpEXqP71keksELagxI/J98BsZgEt ifU7jzNB2PISm9e8ZQZZJSGgLvHory5IWETASGLlxuWMECUiEvtevGOcwCg0C8mkWUgmzUIy aRaSlgWMLKsYRVMLkguKk9JzjfSKE3OLS/PS9ZLzczcxggP4mfQOxlUNFocYBTgYlXh4J9RN DBBiTSwrrsw9xCjBwawkwvu4GyjEm5JYWZValB9fVJqTWnyIUZqDRUmct9kjJUBIID2xJDU7 NbUgtQgmy8TBKdXA6BmSfvgum3i9m9f9IoXsG8xWa7yX8i/tfnX0kt20I8oxObcb15jf3Zgf 9IqvO1PE6EpT+ssrXhLSatePbv7ck56X8ktg7VNBw8vWj2LvP53mNbHpZ8KME3F6miEvmx70 9ugJNu5evHXBgTVXtSTn71pza4+/h+zr/sCTyttmrCq578zHfP29hhJLcUaioRZzUXEiAHNP 5vpcAgAA Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org According to DP spec, it is not required in the Link Training procedure. [jg1.han@samsung.com: modified the commit message] Signed-off-by: Sean Paul Signed-off-by: Jingoo Han --- drivers/video/exynos/exynos_dp_core.c | 6 ------ 1 files changed, 0 insertions(+), 6 deletions(-) diff --git a/drivers/video/exynos/exynos_dp_core.c b/drivers/video/exynos/exynos_dp_core.c index 8ab95c3..c2b6bf2 100644 --- a/drivers/video/exynos/exynos_dp_core.c +++ b/drivers/video/exynos/exynos_dp_core.c @@ -277,12 +277,6 @@ static int exynos_dp_link_start(struct exynos_dp_device *dp) for (lane = 0; lane < lane_count; lane++) dp->link_train.cr_loop[lane] = 0; - /* Set sink to D0 (Sink Not Ready) mode. */ - retval = exynos_dp_write_byte_to_dpcd(dp, DPCD_ADDR_SINK_POWER_STATE, - DPCD_SET_POWER_STATE_D0); - if (retval) - return retval; - /* Set link rate and count as you want to establish*/ exynos_dp_set_link_bandwidth(dp, dp->link_train.link_rate); exynos_dp_set_lane_count(dp, dp->link_train.lane_count);