From patchwork Fri Nov 9 05:52:08 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jingoo Han X-Patchwork-Id: 1718771 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 9C988DF264 for ; Fri, 9 Nov 2012 05:52:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751321Ab2KIFwL (ORCPT ); Fri, 9 Nov 2012 00:52:11 -0500 Received: from mailout3.samsung.com ([203.254.224.33]:29234 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750907Ab2KIFwK (ORCPT ); Fri, 9 Nov 2012 00:52:10 -0500 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MD700AL8HMX6JP0@mailout3.samsung.com> for linux-fbdev@vger.kernel.org; Fri, 09 Nov 2012 14:52:09 +0900 (KST) Received: from epcpsbgm1.samsung.com ( [203.254.230.49]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id D0.B7.01231.90A9C905; Fri, 09 Nov 2012 14:52:09 +0900 (KST) X-AuditID: cbfee61a-b7fa66d0000004cf-a2-509c9a09f976 Received: from epmmp2 ( [203.254.227.17]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id 70.B7.01231.80A9C905; Fri, 09 Nov 2012 14:52:09 +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 <0MD700AOUHMWSGA0@mmp2.samsung.com> for linux-fbdev@vger.kernel.org; Fri, 09 Nov 2012 14:52:08 +0900 (KST) From: Jingoo Han To: 'Florian Tobias Schandinat' Cc: linux-fbdev@vger.kernel.org, 'Sean Paul' , 'Jingoo Han' References: In-reply-to: Subject: [PATCH v4 6/8] video: exynos_dp: Remove sink control to D0 Date: Fri, 09 Nov 2012 14:52:08 +0900 Message-id: <001e01cdbe3e$5b0c1260$11243720$%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: Ac2+Pd0+5OZ6ri/CQOacII/BjUUEfAAAGQLA Content-language: ko DLP-Filter: Pass X-MTR: 20000000000000000@CPGS X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrEIsWRmVeSWpSXmKPExsVy+t8zQ13OWXMCDHYvZbM40feB1YHR4/Mm uQDGKC6blNSczLLUIn27BK6MO4u7WAr+clT82TOZqYHxHHsXIyeHhICJxPavW5ghbDGJC/fW s3UxcnEICSxjlOg5fIwVpmj9ij9gtpDAdEaJpWvqIIpmMUnMnNUKNolNQE3iy5fDQDYHh4iA lcSmrZogJrNAlsTpYwogppAAt8Tq5iCQYk4BHol1fzrB1goLOEu8nLaACaSERUBVYudecZAw r4CtxNUbd1kgbEGJH5PvgdnMAloS63ceZ4Kw5SU2r3nLDNIqIaAu8eivLkhYRMBI4tuN+cwQ JSIS+168YwSxWQQEJL5NPsQCUS4rsekAM8gbEgKL2CW2zvsFDRBJiYMrbrBMYJSYhWTzLCSb ZyHZPAvJigWMLKsYRVMLkguKk9JzDfWKE3OLS/PS9ZLzczcxQiJKagfjygaLQ4wCHIxKPLyJ D2YHCLEmlhVX5h5ilOBgVhLhnZs5J0CINyWxsiq1KD++qDQntfgQow/Q5ROZpUST84HRnlcS b2hsbGJmYmpibmlqbopDWEmct9kjJUBIID2xJDU7NbUgtQhmHBMHp1QDo3X8oSUZv+T2vtfx cpx2ZxvHtQc2+7dMn5zz6VxkoIbQq2+zPk8L9tTM3ZDK0CTzc+KFg1fK/6RcnnzQVWXHg1PL uS3/Rx7at/XZlD95/zLDTvItdqw4wuu2e576eetFtYairz9UqjLbMPQpPFSq+2bicqR8wtPX v/ZdXK0q8j/O/abTjJ8fPqxSYinOSDTUYi4qTgQAIpn18dUCAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrIIsWRmVeSWpSXmKPExsVy+t9jQV3OWXMCDHo3M1mc6PvA6sDo8XmT XABjVAOjTUZqYkpqkUJqXnJ+SmZeuq2Sd3C8c7ypmYGhrqGlhbmSQl5ibqqtkotPgK5bZg7Q VCWFssScUqBQQGJxsZK+HaYJoSFuuhYwjRG6viFBcD1GBmggYR1jxp3FXSwFfzkq/uyZzNTA eI69i5GTQ0LARGL9ij+sELaYxIV769lAbCGB6YwSS9fUdTFyAdmzmCRmzmoFa2ATUJP48uUw kM3BISJgJbFpqyaIySyQJXH6mAKIKSTALbG6OQikmFOAR2Ldn05mEFtYwFni5bQFTCAlLAKq Ejv3ioOEeQVsJa7euMsCYQtK/Jh8D8xmFtCSWL/zOBOELS+xec1bZpBWCQF1iUd/dUHCIgJG Et9uzGeGKBGR2PfiHeMERqFZSCbNQjJpFpJJs5C0LGBkWcUomlqQXFCclJ5rqFecmFtcmpeu l5yfu4kRHK/PpHYwrmywOMQowMGoxMOb+GB2gBBrYllxZe4hRgkOZiUR3rmZcwKEeFMSK6tS i/Lji0pzUosPMfoA/TmRWUo0OR+YSvJK4g2NTcyMLI3MLIxMzM1xCCuJ8zZ7pAQICaQnlqRm p6YWpBbBjGPi4JRqYFz9bVqBzufypM0ykxhaAyaI3vpRkPKu5PLMnSpiStOT5rJxbanknCL0 a1mmlLjNOUHORw09TN/YipY4NqgrOx8o059e0Z4ktnGb+OH/XQyHbQUYGd++i8yVrz4pun/5 6on5Yle4/vrosd3n9jGri3+kMt+sKtth9t6t32bOcnvre0l57eM3q5VYijMSDbWYi4oTAVC6 VygEAwAA X-CFilter-Loop: Reflected Sender: linux-fbdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fbdev@vger.kernel.org From: Sean Paul 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 be3df15..edb3bfe 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);