From patchwork Wed Oct 31 20:12:29 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paulo Zanoni X-Patchwork-Id: 1681351 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by patchwork1.kernel.org (Postfix) with ESMTP id 90F7B4005F for ; Wed, 31 Oct 2012 20:19:20 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 77BC8A0A19 for ; Wed, 31 Oct 2012 13:19:20 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-gg0-f177.google.com (mail-gg0-f177.google.com [209.85.161.177]) by gabe.freedesktop.org (Postfix) with ESMTP id 624FFA0C35 for ; Wed, 31 Oct 2012 13:13:28 -0700 (PDT) Received: by mail-gg0-f177.google.com with SMTP id h1so348839gge.36 for ; Wed, 31 Oct 2012 13:13:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references; bh=68HUHaqPf+tw2hFQQo32rtkfNPCHBrmbSI5C7betvRI=; b=S8aeuvMzWlgp02SRmtO4M9NxIFmb+pyjt/O94gzr6CncNgqKM27TVoDyY99SiJkQej 58rA0Q/WFi/fESToLuxkzEyu3b90LCTHMirrS5WU2caDmJPcrUgzxZUfxbzSO0kNBgbE qI5PTHkKieZs3VDVlh450/2l+g0sxz1IpPiWpPvOx3DnV6XaizXYn/4J57/62Lf6FPSD UgcJrpOKuo844XoeOTdQwmAwCz+4DbFZc37Lj9y0GXtfqGiytEuqPCXmlQ5lSDa4ysjr JriraRVW7LyJdlNbESusTchZOp4Z8X++vzSeIoXGt5m6Iiu9ebhUlCXb6kv/fgMo9pEy fFlA== Received: by 10.236.74.106 with SMTP id w70mr37403265yhd.68.1351714407754; Wed, 31 Oct 2012 13:13:27 -0700 (PDT) Received: from vicky.domain.invalid ([177.42.7.91]) by mx.google.com with ESMTPS id h16sm4354130ani.0.2012.10.31.13.13.26 (version=TLSv1/SSLv3 cipher=OTHER); Wed, 31 Oct 2012 13:13:27 -0700 (PDT) From: Paulo Zanoni To: intel-gfx@lists.freedesktop.org Date: Wed, 31 Oct 2012 18:12:29 -0200 Message-Id: <1351714375-15284-11-git-send-email-przanoni@gmail.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1351714375-15284-1-git-send-email-przanoni@gmail.com> References: <1351714375-15284-1-git-send-email-przanoni@gmail.com> Cc: Paulo Zanoni Subject: [Intel-gfx] [PATCH 10/36] drm/i915: program the FDI RX TUSIZE register on hsw_fdi_link_train X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org From: Paulo Zanoni According to the mode set sequence documentation, this is the right place. According to the FDI_RX_TUSIZE register description, this is the value we should set. Signed-off-by: Paulo Zanoni --- drivers/gpu/drm/i915/intel_ddi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c index 0cb6441..5d33f62 100644 --- a/drivers/gpu/drm/i915/intel_ddi.c +++ b/drivers/gpu/drm/i915/intel_ddi.c @@ -196,6 +196,9 @@ void hsw_fdi_link_train(struct drm_crtc *crtc) udelay(600); + /* Program PCH FDI Receiver TU */ + I915_WRITE(_FDI_RXA_TUSIZE1, 0x7E000000); + /* Enable PCH FDI Receiver with auto-training */ rx_ctl_val |= FDI_RX_ENABLE | FDI_LINK_TRAIN_AUTO; I915_WRITE(_FDI_RXA_CTL, rx_ctl_val);